CI: Add warning exemptions for Sun C (suncc-5.15) on Solaris 10

[tcpdump] / print-pktap.c

diff --git a/print-pktap.c b/print-pktap.c
index daabe41e9f4fa2a6ef90a335489463391fa1a950..d1c391d5ce1b21adef3bb814c671f2b3c1f48237 100644 (file)
--- a/print-pktap.c
+++ b/print-pktap.c
@@ -19,13 +19,14 @@
  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  */
 
  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  */
 

-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
+/* \summary: Apple's DLT_PKTAP printer */

 
 

-#include <tcpdump-stdinc.h>
+#include <config.h>

 
 

-#include "interface.h"
+#include "netdissect-stdinc.h"
+
+#define ND_LONGJMP_FROM_TCHECK
+#include "netdissect.h"

 #include "extract.h"
 
 #ifdef DLT_PKTAP
 #include "extract.h"
 
 #ifdef DLT_PKTAP


@@ -42,20 +43,20 @@
  * to host byte order in libpcap.
  */
 typedef struct pktap_header {
  * to host byte order in libpcap.
  */
 typedef struct pktap_header {

-       uint32_t        pkt_len;        /* length of pktap header */
-       uint32_t        pkt_rectype;    /* type of record */
-       uint32_t        pkt_dlt;        /* DLT type of this packet */
+       nd_uint32_t     pkt_len;        /* length of pktap header */
+       nd_uint32_t     pkt_rectype;    /* type of record */
+       nd_uint32_t     pkt_dlt;        /* DLT type of this packet */

        char            pkt_ifname[24]; /* interface name */
        char            pkt_ifname[24]; /* interface name */

-       uint32_t        pkt_flags;
-       uint32_t        pkt_pfamily;    /* "protocol family" */
-       uint32_t        pkt_llhdrlen;   /* link-layer header length? */
-       uint32_t        pkt_lltrlrlen;  /* link-layer trailer length? */
-       uint32_t        pkt_pid;        /* process ID */
+       nd_uint32_t     pkt_flags;
+       nd_uint32_t     pkt_pfamily;    /* "protocol family" */
+       nd_uint32_t     pkt_llhdrlen;   /* link-layer header length? */
+       nd_uint32_t     pkt_lltrlrlen;  /* link-layer trailer length? */
+       nd_uint32_t     pkt_pid;        /* process ID */

        char            pkt_cmdname[20]; /* command name */
        char            pkt_cmdname[20]; /* command name */

-       uint32_t        pkt_svc_class;  /* "service class" */
-       uint16_t        pkt_iftype;     /* "interface type" */
-       uint16_t        pkt_ifunit;     /* unit number of interface? */
-       uint32_t        pkt_epid;       /* "effective process ID" */
+       nd_uint32_t     pkt_svc_class;  /* "service class" */
+       nd_uint16_t     pkt_iftype;     /* "interface type" */
+       nd_uint16_t     pkt_ifunit;     /* unit number of interface? */
+       nd_uint32_t     pkt_epid;       /* "effective process ID" */

        char            pkt_ecmdname[20]; /* "effective command name" */
 } pktap_header_t;
 
        char            pkt_ecmdname[20]; /* "effective command name" */
 } pktap_header_t;
 


@@ -65,24 +66,26 @@ typedef struct pktap_header {
 #define PKT_REC_NONE   0       /* nothing follows the header */
 #define PKT_REC_PACKET 1       /* a packet follows the header */
 
 #define PKT_REC_NONE   0       /* nothing follows the header */
 #define PKT_REC_PACKET 1       /* a packet follows the header */
 

-static inline void
+static void

 pktap_header_print(netdissect_options *ndo, const u_char *bp, u_int length)
 {
        const pktap_header_t *hdr;
        uint32_t dlt, hdrlen;
 pktap_header_print(netdissect_options *ndo, const u_char *bp, u_int length)
 {
        const pktap_header_t *hdr;
        uint32_t dlt, hdrlen;

+       const char *dltname;

 
        hdr = (const pktap_header_t *)bp;
 
 
        hdr = (const pktap_header_t *)bp;
 

-       dlt = EXTRACT_LE_32BITS(&hdr->pkt_dlt);
-       hdrlen = EXTRACT_LE_32BITS(&hdr->pkt_len);
+       dlt = GET_LE_U_4(hdr->pkt_dlt);
+       hdrlen = GET_LE_U_4(hdr->pkt_len);
+       dltname = pcap_datalink_val_to_name(dlt);

        if (!ndo->ndo_qflag) {
        if (!ndo->ndo_qflag) {

-               ND_PRINT((ndo,", DLT %s (%d) len %d",
-                         pcap_datalink_val_to_name(dlt), dlt, hdrlen));
+               ND_PRINT("DLT %s (%u) len %u",
+                         (dltname != NULL ? dltname : "UNKNOWN"), dlt, hdrlen);

         } else {
         } else {

-               ND_PRINT((ndo,", %s", pcap_datalink_val_to_name(dlt)));
+               ND_PRINT("%s", (dltname != NULL ? dltname : "UNKNOWN"));

         }
 
         }
 

-       ND_PRINT((ndo, ", length %u: ", length));
+       ND_PRINT(", length %u: ", length);

 }
 
 /*
 }
 
 /*


@@ -91,7 +94,7 @@ pktap_header_print(netdissect_options *ndo, const u_char *bp, u_int length)
  * 'h->len' is the length of the packet off the wire, and 'h->caplen'
  * is the number of bytes actually captured.
  */
  * 'h->len' is the length of the packet off the wire, and 'h->caplen'
  * is the number of bytes actually captured.
  */

-u_int
+void

 pktap_if_print(netdissect_options *ndo,
                const struct pcap_pkthdr *h, const u_char *p)
 {
 pktap_if_print(netdissect_options *ndo,
                const struct pcap_pkthdr *h, const u_char *p)
 {


@@ -100,14 +103,17 @@ pktap_if_print(netdissect_options *ndo,
        u_int length = h->len;
        if_printer printer;
        const pktap_header_t *hdr;
        u_int length = h->len;
        if_printer printer;
        const pktap_header_t *hdr;

+       struct pcap_pkthdr nhdr;

 
 

-       if (caplen < sizeof(pktap_header_t) || length < sizeof(pktap_header_t)) {
-               ND_PRINT((ndo, "[|pktap]"));
-               return (0);
+       ndo->ndo_protocol = "pktap";
+       if (length < sizeof(pktap_header_t)) {
+               ND_PRINT(" (packet too short, %u < %zu)",
+                        length, sizeof(pktap_header_t));
+               goto invalid;

        }
        hdr = (const pktap_header_t *)p;
        }
        hdr = (const pktap_header_t *)p;

-       dlt = EXTRACT_LE_32BITS(&hdr->pkt_dlt);
-       hdrlen = EXTRACT_LE_32BITS(&hdr->pkt_len);
+       dlt = GET_LE_U_4(hdr->pkt_dlt);
+       hdrlen = GET_LE_U_4(hdr->pkt_len);

        if (hdrlen < sizeof(pktap_header_t)) {
                /*
                 * Claimed header length < structure length.
        if (hdrlen < sizeof(pktap_header_t)) {
                /*
                 * Claimed header length < structure length.


@@ -116,13 +122,16 @@ pktap_if_print(netdissect_options *ndo,
                 * is the length supplied so that the header can
                 * be expanded in the future)?
                 */
                 * is the length supplied so that the header can
                 * be expanded in the future)?
                 */

-               ND_PRINT((ndo, "[|pktap]"));
-               return (0);
+               ND_PRINT(" (pkt_len too small, %u < %zu)",
+                        hdrlen, sizeof(pktap_header_t));
+               goto invalid;

        }
        }

-       if (caplen < hdrlen || length < hdrlen) {
-               ND_PRINT((ndo, "[|pktap]"));
-               return (hdrlen);
+       if (hdrlen > length) {
+               ND_PRINT(" (pkt_len too big, %u > %u)",
+                        hdrlen, length);
+               goto invalid;

        }
        }

+       ND_TCHECK_LEN(p, hdrlen);

 
        if (ndo->ndo_eflag)
                pktap_header_print(ndo, p, length);
 
        if (ndo->ndo_eflag)
                pktap_header_print(ndo, p, length);


@@ -131,16 +140,21 @@ pktap_if_print(netdissect_options *ndo,
        caplen -= hdrlen;
        p += hdrlen;
 
        caplen -= hdrlen;
        p += hdrlen;
 

-       rectype = EXTRACT_LE_32BITS(&hdr->pkt_rectype);
+       rectype = GET_LE_U_4(hdr->pkt_rectype);

        switch (rectype) {
 
        case PKT_REC_NONE:
        switch (rectype) {
 
        case PKT_REC_NONE:

-               ND_PRINT((ndo, "no data"));
+               ND_PRINT("no data");

                break;
 
        case PKT_REC_PACKET:
                break;
 
        case PKT_REC_PACKET:

-               if ((printer = lookup_printer(dlt)) != NULL) {
-                       hdrlen += printer(ndo, h, p);
+               printer = lookup_printer(dlt);
+               if (printer != NULL) {
+                       nhdr = *h;
+                       nhdr.caplen = caplen;
+                       nhdr.len = length;
+                       printer(ndo, &nhdr, p);
+                       hdrlen += ndo->ndo_ll_hdr_len;

                } else {
                        if (!ndo->ndo_eflag)
                                pktap_header_print(ndo, (const u_char *)hdr,
                } else {
                        if (!ndo->ndo_eflag)
                                pktap_header_print(ndo, (const u_char *)hdr,


@@ -152,14 +166,10 @@ pktap_if_print(netdissect_options *ndo,
                break;
        }
 
                break;
        }
 

-       return (hdrlen);
-}
-
-/*
- * Local Variables:
- * c-style: whitesmith
- * c-basic-offset: 8
- * End:
- */
+       ndo->ndo_ll_hdr_len += hdrlen;
+       return;

 
 

+invalid:
+       nd_print_invalid(ndo);
+}

 #endif /* DLT_PKTAP */
 #endif /* DLT_PKTAP */