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I'm preparing ncp for expansion (i.e., cleaning up my old code). I also 

changed the summary line so that "Reply"/"Request" is printed.

svn path=/trunk/; revision=60
This commit is contained in:
Gilbert Ramirez 1998-10-15 21:12:17 +00:00
parent 44c17a888d
commit 5a35314f80
2 changed files with 61 additions and 28 deletions
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74
packet-ncp.c
View File

@ -2,7 +2,7 @@
* Routines for NetWare Core Protocol
* Gilbert Ramirez <gram@verdict.uthscsa.edu>
*
* $Id: packet-ncp.c,v 1.2 1998/09/27 22:12:33 gerald Exp $
* $Id: packet-ncp.c,v 1.3 1998/10/15 21:12:16 gram Exp $
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@unicom.net>
@ -43,6 +43,8 @@
#include "ethereal.h"
#include "packet.h"
#include "packet-ipx.h"
#include "packet-ncp.h"
/* The information in this module comes from:
NetWare LAN Analysis, Second Edition
@ -98,6 +100,7 @@ ncp2222_func(u_short func) {
{ 23, "Binding and Rights Services" },
{ 34, "Transaction Tacking Services" },
{ 35, "Apple File Services" },
{ 72, "File Services" }, /* guess */
{ 86, "Extended Attributes Services" },
{ 87, "File and Directory Services" },
{ 88, "Auditing Services" },
@ -153,6 +156,12 @@ ncp2222_subfunc(u_short func, u_short subfunc) {
{ 0, NULL }
};
/* File services */ /* guess */
static struct req_info ncp_72[] = {
{ 0xbb, "Read" },
{ 0, NULL }
};
/* Auditing Services */
static struct req_info ncp_88[] = {
{ 1, "Query Volume Audit Status" },
@ -169,17 +178,19 @@ ncp2222_subfunc(u_short func, u_short subfunc) {
case 35:
info_ptr = ncp_35;
break;
case 72:
info_ptr = ncp_72;
break;
case 88:
info_ptr = ncp_88;
break;
default:
return "Unkown function";
return "Unknown function";
}
while (info_ptr[i].text != NULL) {
if (info_ptr[i].req == subfunc) {
printf("subfunc=%s\n", info_ptr[i].text);
return info_ptr[i].text;
}
i++;
@ -194,67 +205,82 @@ dissect_ncp(const u_char *pd, int offset, frame_data *fd, GtkTree *tree) {
GtkWidget *ncp_tree, *ti;
guint16 ncp_type;
int ncp_hdr;
if (fd->win_info[COL_NUM]) {
strcpy(fd->win_info[COL_PROTOCOL], "NCP");
strcpy(fd->win_info[COL_INFO], "NCP");
}
struct ncp_common_header header;
struct ncp_request_header request;
struct ncp_reply_header reply;
char *ncp_type_text[] = { "Request", "Reply" };
ncp_type = pntohs(&pd[offset]);
header.type = ncp_type;
header.sequence = pd[offset+2];
header.conn_low = pd[offset+3];
header.task = pd[offset+4];
header.conn_high = pd[offset+5];
if (ncp_type == 0x1111 || ncp_type == 0x2222 || ncp_type == 0x5555 ||
ncp_type == 0x7777) {
ncp_hdr = 6;
ncp_hdr = 7;
request.function = pd[offset+6];
}
else if (ncp_type == 0x3333 || ncp_type == 0x9999) {
ncp_hdr = 8;
reply.completion_code = pd[offset+6];
reply.connection_state = pd[offset+7];
}
else {
ncp_hdr = 1; /* ? */
}
if (fd->win_info[COL_NUM]) {
strcpy(fd->win_info[COL_PROTOCOL], "NCP");
/* I take advantage of the ncp_hdr length to use as an index into
* ncp_type_text[]. Ugly hack, but quick. */
sprintf(fd->win_info[COL_INFO], "%s", ncp_type_text[ncp_hdr - 7]);
}
if (tree) {
ti = add_item_to_tree(GTK_WIDGET(tree), offset, ncp_hdr,
ti = add_item_to_tree(GTK_WIDGET(tree), offset, END_OF_FRAME,
"NetWare Core Protocol");
ncp_tree = gtk_tree_new();
add_subtree(ti, ncp_tree, ETT_NCP);
add_item_to_tree(ncp_tree, offset, 2,
"Type: %s", req_text( pntohs( &pd[offset] ) ) );
"Type: %s", req_text( header.type ));
add_item_to_tree(ncp_tree, offset+2, 1,
"Sequence Number: %d", pd[offset+2]);
"Sequence Number: %d", header.sequence);
add_item_to_tree(ncp_tree, offset+3, 1,
"Connection Number Low: %d", pd[offset+3]);
"Connection Number Low: %d", header.conn_low);
add_item_to_tree(ncp_tree, offset+4, 1,
"Task Number: %d", pd[offset+4]);
"Task Number: %d", header.task);
add_item_to_tree(ncp_tree, offset+5, 1,
"Connection Number High: %d", pd[offset+5]);
"Connection Number High: %d", header.conn_high);
if (ncp_hdr == 8) {
add_item_to_tree(ncp_tree, offset+6, 1,
"Completion Code: %d", pd[offset+6]);
"Completion Code: %d", reply.completion_code);
add_item_to_tree(ncp_tree, offset+7, 1,
"Connection Status: %d", pd[offset+7]);
"Connection Status: %d", reply.connection_state);
}
else {
add_item_to_tree(ncp_tree, offset+6, 1,
"Function Code: %s (%d)",
ncp2222_func(request.function), request.function);
}
offset += ncp_hdr;
if (ncp_type == 0x2222) {
/* my offset is different now */
add_item_to_tree(ncp_tree, offset, 1,
"Function Code: %s (%d)",
ncp2222_func(pd[offset]), pd[offset]);
add_item_to_tree(ncp_tree, offset+2, 1,
add_item_to_tree(ncp_tree, offset+1, 1,
"Subfunction Code: %s (%d)",
ncp2222_subfunc(pd[offset], pd[offset+2]), pd[offset+2]);
ncp2222_subfunc(pd[offset-1], pd[offset]), pd[offset]);
offset += 3;
}
dissect_data(pd, offset, fd, tree);

15
packet-ncp.h
View File

@ -2,7 +2,7 @@
* Routines for NetWare Core Protocol
* Gilbert Ramirez <gram@verdict.uthscsa.edu>
*
* $Id: packet-ncp.h,v 1.1 1998/09/23 05:25:11 gram Exp $
* $Id: packet-ncp.h,v 1.2 1998/10/15 21:12:17 gram Exp $
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@unicom.net>
@ -38,12 +38,19 @@
#define NCP_REQUEST (0x2222)
#define NCP_DEALLOC_SLOT_REQUEST (0x5555)
struct ncp_request_header {
struct ncp_common_header {
guint16 type ;
guint8 sequence ;
guint8 conn_low ;
guint8 task ;
guint8 conn_high ;
};
struct ncp_request_header {
/* guint16 type ;
guint8 sequence ;
guint8 conn_low ;
guint8 task ;
guint8 conn_high ;*/
guint8 function ;
guint8 data[0] ;
};
@ -52,11 +59,11 @@ struct ncp_request_header {
#define NCP_POSITIVE_ACK (0x9999)
struct ncp_reply_header {
guint16 type ;
/* guint16 type ;
guint8 sequence ;
guint8 conn_low ;
guint8 task ;
guint8 conn_high ;
guint8 conn_high ;*/
guint8 completion_code ;
guint8 connection_state ;
guint8 data[0] ;