X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/57577610721997e4721c0d02b7860ef31cc399ba..5ee91ef4b64a56003edc9535f6445d3bba1fdffd:/print-tcp.c

diff --git a/print-tcp.c b/print-tcp.c
index 12d24b5c..4f91b762 100644
--- a/print-tcp.c
+++ b/print-tcp.c
@@ -44,6 +44,8 @@ __RCSID("$NetBSD: print-tcp.c,v 1.8 2007/07/24 11:53:48 drochner Exp $");
 #include "addrtoname.h"
 #include "extract.h"
 
+#include "diag-control.h"
+
 #include "tcp.h"
 
 #include "ip.h"
@@ -126,7 +128,7 @@ static const struct tok tcp_option_values[] = {
         { TCPOPT_TIMESTAMP, "TS" },
         { TCPOPT_CC, "cc" },
         { TCPOPT_CCNEW, "ccnew" },
-        { TCPOPT_CCECHO, "" },
+        { TCPOPT_CCECHO, "ccecho" },
         { TCPOPT_SIGNATURE, "md5" },
         { TCPOPT_SCPS, "scps" },
         { TCPOPT_UTO, "uto" },
@@ -624,6 +626,13 @@ tcp_print(netdissect_options *ndo,
                                  * only do ND_TCHECK_LEN() if it returned 0.
                                  */
                                 ND_TCHECK_LEN(cp, datalen);
+                                /* Update the snapend to the end of the option
+                                 * before calling mptcp_print(). Some options
+                                 * (MPTCP or others) may be present after a
+                                 * MPTCP option. This prevents that, in
+                                 * mptcp_print(), the remaining length < the
+                                 * remaining caplen.
+                                 */
                                 snapend_save = ndo->ndo_snapend;
                                 ndo->ndo_snapend = ND_MIN(cp - 2 + len,
                                                           ndo->ndo_snapend);
@@ -699,7 +708,7 @@ tcp_print(netdissect_options *ndo,
          */
         ND_PRINT(", length %u", length);
 
-        if (length <= 0)
+        if (length == 0)
                 return;
 
         /*
@@ -737,51 +746,58 @@ tcp_print(netdissect_options *ndo,
                 return;
         }
 
-        if (IS_SRC_OR_DST_PORT(TELNET_PORT)) {
+        if (IS_SRC_OR_DST_PORT(FTP_PORT)) {
+                ND_PRINT(": ");
+                ftp_print(ndo, bp, length);
+        } else if (IS_SRC_OR_DST_PORT(SSH_PORT)) {
+                ssh_print(ndo, bp, length);
+        } else if (IS_SRC_OR_DST_PORT(TELNET_PORT)) {
                 telnet_print(ndo, bp, length);
         } else if (IS_SRC_OR_DST_PORT(SMTP_PORT)) {
                 ND_PRINT(": ");
                 smtp_print(ndo, bp, length);
         } else if (IS_SRC_OR_DST_PORT(WHOIS_PORT)) {
                 ND_PRINT(": ");
-                ndo->ndo_protocol = "whois";	/* needed by txtproto_print() */
-                txtproto_print(ndo, bp, length, NULL, 0); /* RFC 3912 */
-        } else if (IS_SRC_OR_DST_PORT(BGP_PORT))
-                bgp_print(ndo, bp, length);
-        else if (IS_SRC_OR_DST_PORT(PPTP_PORT))
-                pptp_print(ndo, bp);
-        else if (IS_SRC_OR_DST_PORT(REDIS_PORT))
-                resp_print(ndo, bp, length);
-        else if (IS_SRC_OR_DST_PORT(SSH_PORT))
-                ssh_print(ndo, bp, length);
+                whois_print(ndo, bp, length);
+        } else if (IS_SRC_OR_DST_PORT(NAMESERVER_PORT)) {
+                /* over_tcp: TRUE, is_mdns: FALSE */
+                domain_print(ndo, bp, length, TRUE, FALSE);
+        } else if (IS_SRC_OR_DST_PORT(HTTP_PORT)) {
+                ND_PRINT(": ");
+                http_print(ndo, bp, length);
 #ifdef ENABLE_SMB
-        else if (IS_SRC_OR_DST_PORT(NETBIOS_SSN_PORT))
+        } else if (IS_SRC_OR_DST_PORT(NETBIOS_SSN_PORT)) {
                 nbt_tcp_print(ndo, bp, length);
-        else if (IS_SRC_OR_DST_PORT(SMB_PORT))
+#endif
+        } else if (IS_SRC_OR_DST_PORT(BGP_PORT)) {
+                bgp_print(ndo, bp, length);
+        } else if (IS_SRC_OR_DST_PORT(RPKI_RTR_PORT)) {
+                rpki_rtr_print(ndo, bp, length);
+#ifdef ENABLE_SMB
+        } else if (IS_SRC_OR_DST_PORT(SMB_PORT)) {
                 smb_tcp_print(ndo, bp, length);
 #endif
+        } else if (IS_SRC_OR_DST_PORT(RTSP_PORT)) {
+                ND_PRINT(": ");
+                rtsp_print(ndo, bp, length);
+        } else if (IS_SRC_OR_DST_PORT(MSDP_PORT)) {
+                msdp_print(ndo, bp, length);
+        } else if (IS_SRC_OR_DST_PORT(LDP_PORT)) {
+                ldp_print(ndo, bp, length);
+        } else if (IS_SRC_OR_DST_PORT(PPTP_PORT))
+                pptp_print(ndo, bp);
+        else if (IS_SRC_OR_DST_PORT(REDIS_PORT))
+                resp_print(ndo, bp, length);
         else if (IS_SRC_OR_DST_PORT(BEEP_PORT))
                 beep_print(ndo, bp, length);
-        else if (IS_SRC_OR_DST_PORT(OPENFLOW_PORT_OLD) || IS_SRC_OR_DST_PORT(OPENFLOW_PORT_IANA))
+        else if (IS_SRC_OR_DST_PORT(OPENFLOW_PORT_OLD) || IS_SRC_OR_DST_PORT(OPENFLOW_PORT_IANA)) {
                 openflow_print(ndo, bp, length);
-        else if (IS_SRC_OR_DST_PORT(FTP_PORT)) {
-                ND_PRINT(": ");
-                ftp_print(ndo, bp, length);
-        } else if (IS_SRC_OR_DST_PORT(HTTP_PORT) || IS_SRC_OR_DST_PORT(HTTP_PORT_ALT)) {
+        } else if (IS_SRC_OR_DST_PORT(HTTP_PORT_ALT)) {
                 ND_PRINT(": ");
                 http_print(ndo, bp, length);
-        } else if (IS_SRC_OR_DST_PORT(RTSP_PORT) || IS_SRC_OR_DST_PORT(RTSP_PORT_ALT)) {
+        } else if (IS_SRC_OR_DST_PORT(RTSP_PORT_ALT)) {
                 ND_PRINT(": ");
                 rtsp_print(ndo, bp, length);
-        } else if (IS_SRC_OR_DST_PORT(NAMESERVER_PORT)) {
-                /* over_tcp: TRUE, is_mdns: FALSE */
-                domain_print(ndo, bp, length, TRUE, FALSE);
-        } else if (IS_SRC_OR_DST_PORT(MSDP_PORT)) {
-                msdp_print(ndo, bp, length);
-        } else if (IS_SRC_OR_DST_PORT(RPKI_RTR_PORT)) {
-                rpki_rtr_print(ndo, bp, length);
-        } else if (IS_SRC_OR_DST_PORT(LDP_PORT)) {
-                ldp_print(ndo, bp, length);
         } else if ((IS_SRC_OR_DST_PORT(NFS_PORT)) &&
                  length >= 4) {
                 /*
@@ -876,7 +892,7 @@ print_tcp_fastopen_option(netdissect_options *ndo, const u_char *cp,
 }
 
 #ifdef HAVE_LIBCRYPTO
-USES_APPLE_DEPRECATED_API
+DIAG_OFF_DEPRECATION
 static int
 tcp_verify_signature(netdissect_options *ndo,
                      const struct ip *ip, const struct tcphdr *tp,
@@ -956,5 +972,5 @@ tcp_verify_signature(netdissect_options *ndo,
         else
                 return (SIGNATURE_INVALID);
 }
-USES_APPLE_RST
+DIAG_ON_DEPRECATION
 #endif /* HAVE_LIBCRYPTO */