X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/7b2c5a11a7bc236d72b440c4db5263edb23b4880..4ef2f8ba3a27d5b0e30c7e60cc4aed7721adaac0:/print-ppi.c diff --git a/print-ppi.c b/print-ppi.c index dde1cdb0..9cd5fc1e 100644 --- a/print-ppi.c +++ b/print-ppi.c @@ -2,13 +2,15 @@ * Oracle */ +/* \summary: Oracle DLT_PPI printer */ + #ifdef HAVE_CONFIG_H #include "config.h" #endif -#include +#include -#include "interface.h" +#include "netdissect.h" #include "extract.h" typedef struct ppi_header { @@ -28,18 +30,20 @@ ppi_header_print(netdissect_options *ndo, const u_char *bp, u_int length) const ppi_header_t *hdr; uint16_t len; uint32_t dlt; + const char *dltname; hdr = (const ppi_header_t *)bp; - len = EXTRACT_LE_16BITS(&hdr->ppi_len); - dlt = EXTRACT_LE_32BITS(&hdr->ppi_dlt); + len = EXTRACT_LE_U_2(&hdr->ppi_len); + dlt = EXTRACT_LE_U_4(&hdr->ppi_dlt); + dltname = pcap_datalink_val_to_name(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, + (dltname != NULL ? dltname : "UNKNOWN"), dlt, len)); } else { - ND_PRINT((ndo, "%s", pcap_datalink_val_to_name(dlt))); + ND_PRINT((ndo, "%s", (dltname != NULL ? dltname : "UNKNOWN"))); } ND_PRINT((ndo, ", length %u: ", length)); @@ -50,20 +54,21 @@ ppi_print(netdissect_options *ndo, const struct pcap_pkthdr *h, const u_char *p) { if_printer printer; - ppi_header_t *hdr; + const ppi_header_t *hdr; u_int caplen = h->caplen; u_int length = h->len; uint16_t len; uint32_t dlt; uint32_t hdrlen; + struct pcap_pkthdr nhdr; if (caplen < sizeof(ppi_header_t)) { ND_PRINT((ndo, "[|ppi]")); return (caplen); } - hdr = (ppi_header_t *)p; - len = EXTRACT_LE_16BITS(&hdr->ppi_len); + hdr = (const ppi_header_t *)p; + len = EXTRACT_LE_U_2(&hdr->ppi_len); if (caplen < len) { /* * If we don't have the entire PPI header, don't @@ -76,7 +81,7 @@ ppi_print(netdissect_options *ndo, ND_PRINT((ndo, "[|ppi]")); return (len); } - dlt = EXTRACT_LE_32BITS(&hdr->ppi_dlt); + dlt = EXTRACT_LE_U_4(&hdr->ppi_dlt); if (ndo->ndo_eflag) ppi_header_print(ndo, p, length); @@ -86,10 +91,13 @@ ppi_print(netdissect_options *ndo, p += len; if ((printer = lookup_printer(dlt)) != NULL) { - hdrlen = printer(ndo, h, p); + nhdr = *h; + nhdr.caplen = caplen; + nhdr.len = length; + hdrlen = printer(ndo, &nhdr, p); } else { if (!ndo->ndo_eflag) - ppi_header_print(ndo, (u_char *)hdr, length + len); + ppi_header_print(ndo, (const u_char *)hdr, length + len); if (!ndo->ndo_suppress_default_print) ND_DEFAULTPRINT(p, caplen);