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-rw-r--r--packet-tcp.c66
1 files changed, 31 insertions, 35 deletions
diff --git a/packet-tcp.c b/packet-tcp.c
index f9534a9322..371d9feed3 100644
--- a/packet-tcp.c
+++ b/packet-tcp.c
@@ -1,7 +1,7 @@
/* packet-tcp.c
* Routines for TCP packet disassembly
*
- * $Id: packet-tcp.c,v 1.25 1999/07/07 00:34:57 guy Exp $
+ * $Id: packet-tcp.c,v 1.26 1999/07/07 22:51:55 gram Exp $
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@zing.org>
@@ -144,7 +144,7 @@ static void
dissect_tcpopt_maxseg(proto_tree *opt_tree, const char *name, const u_char *opd,
int offset, guint optlen)
{
- proto_tree_add_item(opt_tree, offset, optlen,
+ proto_tree_add_text(opt_tree, offset, optlen,
"%s: %u bytes", name, pntohs(opd));
tcp_info_append_uint("MSS", pntohs(opd));
}
@@ -153,7 +153,7 @@ static void
dissect_tcpopt_wscale(proto_tree *opt_tree, const char *name, const u_char *opd,
int offset, guint optlen)
{
- proto_tree_add_item(opt_tree, offset, optlen,
+ proto_tree_add_text(opt_tree, offset, optlen,
"%s: %u bytes", name, *opd);
tcp_info_append_uint("WS", *opd);
}
@@ -166,17 +166,16 @@ dissect_tcpopt_sack(proto_tree *opt_tree, const char *name, const u_char *opd,
proto_item *tf;
guint leftedge, rightedge;
- tf = proto_tree_add_item(opt_tree, offset, optlen, "%s:", name);
+ tf = proto_tree_add_text(opt_tree, offset, optlen, "%s:", name);
offset += 2; /* skip past type and length */
optlen -= 2; /* subtract size of type and length */
while (optlen > 0) {
if (field_tree == NULL) {
/* Haven't yet made a subtree out of this option. Do so. */
- field_tree = proto_tree_new();
- proto_item_add_subtree(tf, field_tree, ETT_TCP_OPTION_SACK);
+ field_tree = proto_item_add_subtree(tf, ETT_TCP_OPTION_SACK);
}
if (optlen < 4) {
- proto_tree_add_item(field_tree, offset, optlen,
+ proto_tree_add_text(field_tree, offset, optlen,
"(suboption would go past end of option)");
break;
}
@@ -185,7 +184,7 @@ dissect_tcpopt_sack(proto_tree *opt_tree, const char *name, const u_char *opd,
opd += 4;
optlen -= 4;
if (optlen < 4) {
- proto_tree_add_item(field_tree, offset, optlen,
+ proto_tree_add_text(field_tree, offset, optlen,
"(suboption would go past end of option)");
break;
}
@@ -193,7 +192,7 @@ dissect_tcpopt_sack(proto_tree *opt_tree, const char *name, const u_char *opd,
rightedge = pntohl(opd);
opd += 4;
optlen -= 4;
- proto_tree_add_item(field_tree, offset, 8,
+ proto_tree_add_text(field_tree, offset, 8,
"left edge = %u, right edge = %u", leftedge, rightedge);
tcp_info_append_uint("SLE", leftedge);
tcp_info_append_uint("SRE", rightedge);
@@ -205,7 +204,7 @@ static void
dissect_tcpopt_echo(proto_tree *opt_tree, const char *name, const u_char *opd,
int offset, guint optlen)
{
- proto_tree_add_item(opt_tree, offset, optlen,
+ proto_tree_add_text(opt_tree, offset, optlen,
"%s: %u", name, pntohl(opd));
tcp_info_append_uint("ECHO", pntohl(opd));
}
@@ -214,7 +213,7 @@ static void
dissect_tcpopt_timestamp(proto_tree *opt_tree, const char *name,
const u_char *opd, int offset, guint optlen)
{
- proto_tree_add_item(opt_tree, offset, optlen,
+ proto_tree_add_text(opt_tree, offset, optlen,
"%s: tsval %u, tsecr %u", name, pntohl(opd), pntohl(opd + 4));
tcp_info_append_uint("TSV", pntohl(opd));
tcp_info_append_uint("TSER", pntohl(opd + 4));
@@ -224,7 +223,7 @@ static void
dissect_tcpopt_cc(proto_tree *opt_tree, const char *name, const u_char *opd,
int offset, guint optlen)
{
- proto_tree_add_item(opt_tree, offset, optlen,
+ proto_tree_add_text(opt_tree, offset, optlen,
"%s: %u", name, pntohl(opd));
tcp_info_append_uint("CC", pntohl(opd));
}
@@ -389,45 +388,43 @@ dissect_tcp(const u_char *pd, int offset, frame_data *fd, proto_tree *tree) {
}
if (tree) {
- ti = proto_tree_add_item(tree, offset, hlen,
+ ti = proto_tree_add_text(tree, offset, hlen,
"Transmission Control Protocol");
- tcp_tree = proto_tree_new();
- proto_item_add_subtree(ti, tcp_tree, ETT_TCP);
- proto_tree_add_item(tcp_tree, offset, 2, "Source port: %s (%u)",
+ tcp_tree = proto_item_add_subtree(ti, ETT_TCP);
+ proto_tree_add_text(tcp_tree, offset, 2, "Source port: %s (%u)",
get_tcp_port(th.th_sport), th.th_sport);
- proto_tree_add_item(tcp_tree, offset + 2, 2, "Destination port: %s (%u)",
+ proto_tree_add_text(tcp_tree, offset + 2, 2, "Destination port: %s (%u)",
get_tcp_port(th.th_dport), th.th_dport);
- proto_tree_add_item(tcp_tree, offset + 4, 4, "Sequence number: %u",
+ proto_tree_add_text(tcp_tree, offset + 4, 4, "Sequence number: %u",
th.th_seq);
if (th.th_flags & TH_ACK)
- proto_tree_add_item(tcp_tree, offset + 8, 4, "Acknowledgement number: %u",
+ proto_tree_add_text(tcp_tree, offset + 8, 4, "Acknowledgement number: %u",
th.th_ack);
- proto_tree_add_item(tcp_tree, offset + 12, 1, "Header length: %u bytes", hlen);
- tf = proto_tree_add_item(tcp_tree, offset + 13, 1, "Flags: 0x%x", th.th_flags);
- field_tree = proto_tree_new();
- proto_item_add_subtree(tf, field_tree, ETT_TCP_FLAGS);
- proto_tree_add_item(field_tree, offset + 13, 1, "%s",
+ proto_tree_add_text(tcp_tree, offset + 12, 1, "Header length: %u bytes", hlen);
+ tf = proto_tree_add_text(tcp_tree, offset + 13, 1, "Flags: 0x%x", th.th_flags);
+ field_tree = proto_item_add_subtree(tf, ETT_TCP_FLAGS);
+ proto_tree_add_text(field_tree, offset + 13, 1, "%s",
decode_boolean_bitfield(th.th_flags, TH_URG, sizeof (th.th_flags)*8,
"Urgent pointer", "No urgent pointer"));
- proto_tree_add_item(field_tree, offset + 13, 1, "%s",
+ proto_tree_add_text(field_tree, offset + 13, 1, "%s",
decode_boolean_bitfield(th.th_flags, TH_ACK, sizeof (th.th_flags)*8,
"Acknowledgment", "No acknowledgment"));
- proto_tree_add_item(field_tree, offset + 13, 1, "%s",
+ proto_tree_add_text(field_tree, offset + 13, 1, "%s",
decode_boolean_bitfield(th.th_flags, TH_PUSH, sizeof (th.th_flags)*8,
"Push", "No push"));
- proto_tree_add_item(field_tree, offset + 13, 1, "%s",
+ proto_tree_add_text(field_tree, offset + 13, 1, "%s",
decode_boolean_bitfield(th.th_flags, TH_RST, sizeof (th.th_flags)*8,
"Reset", "No reset"));
- proto_tree_add_item(field_tree, offset + 13, 1, "%s",
+ proto_tree_add_text(field_tree, offset + 13, 1, "%s",
decode_boolean_bitfield(th.th_flags, TH_SYN, sizeof (th.th_flags)*8,
"Syn", "No Syn"));
- proto_tree_add_item(field_tree, offset + 13, 1, "%s",
+ proto_tree_add_text(field_tree, offset + 13, 1, "%s",
decode_boolean_bitfield(th.th_flags, TH_FIN, sizeof (th.th_flags)*8,
"Fin", "No Fin"));
- proto_tree_add_item(tcp_tree, offset + 14, 2, "Window size: %u", th.th_win);
- proto_tree_add_item(tcp_tree, offset + 16, 2, "Checksum: 0x%04x", th.th_sum);
+ proto_tree_add_text(tcp_tree, offset + 14, 2, "Window size: %u", th.th_win);
+ proto_tree_add_text(tcp_tree, offset + 16, 2, "Checksum: 0x%04x", th.th_sum);
if (th.th_flags & TH_URG)
- proto_tree_add_item(tcp_tree, offset + 18, 2, "Urgent pointer: 0x%04x",
+ proto_tree_add_text(tcp_tree, offset + 18, 2, "Urgent pointer: 0x%04x",
th.th_urp);
}
@@ -436,10 +433,9 @@ dissect_tcp(const u_char *pd, int offset, frame_data *fd, proto_tree *tree) {
/* There's more than just the fixed-length header. Decode the
options. */
optlen = hlen - sizeof (e_tcphdr); /* length of options, in bytes */
- tf = proto_tree_add_item(tcp_tree, offset + 20, optlen,
+ tf = proto_tree_add_text(tcp_tree, offset + 20, optlen,
"Options: (%d bytes)", optlen);
- field_tree = proto_tree_new();
- proto_item_add_subtree(tf, field_tree, ETT_TCP_OPTIONS);
+ field_tree = proto_item_add_subtree(tf, ETT_TCP_OPTIONS);
dissect_ip_tcp_options(field_tree, &pd[offset + 20], offset + 20, optlen,
tcpopts, N_TCP_OPTS, TCPOPT_EOL);
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-02-25 05:14:54 +0000