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/* xcsdump.c
*
* little tool to sniff control messages.
*
* Copyright (c) 2004, Andrew Warfield
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <ctype.h>
#include <xc.h>
#include <xen/xen.h>
#include <xen/io/domain_controller.h>
#include "xcs_proto.h"
#include "xcs.h"
static int xcs_ctrl_fd = -1; /* connection to the xcs server. */
static int xcs_data_fd = -1; /* connection to the xcs server. */
int tcp_connect(char *ip, short port)
{
struct sockaddr_in addr;
int ret, fd;
fd = socket(AF_INET, SOCK_STREAM, 0);
if (fd < 0)
{
printf("error creating xcs socket!\n");
return -1;
}
addr.sin_family = AF_INET;
addr.sin_port = htons(port);
addr.sin_addr.s_addr = inet_addr(ip);
memset(&(addr.sin_zero), '\0', 8);
ret = connect(fd, (struct sockaddr *)&addr, sizeof(struct sockaddr));
if (ret < 0)
{
printf("error connecting to xcs!\n");
return -1;
}
return fd;
}
void tcp_disconnect(int *fd)
{
close(*fd);
*fd = -1;
}
void xcs_read(int fd, xcs_msg_t *msg)
{
int ret;
ret = read(fd, msg, sizeof(xcs_msg_t));
if (ret != sizeof(xcs_msg_t)) {
printf("read error\n");
exit(-1);
}
}
void xcs_send(int fd, xcs_msg_t *msg)
{
int ret;
ret = send(fd, msg, sizeof(xcs_msg_t), 0);
if (ret != sizeof(xcs_msg_t) )
{
printf("send error\n");
exit(-1);
}
}
int main(int argc, char* argv[])
{
int ret, i;
xcs_msg_t msg;
control_msg_t *cmsg;
int verbose = 0;
if (argc > 1)
if ((strlen(argv[1]) >=2) && (strncmp(argv[1], "-v", 2) == 0))
verbose = 1;
ret = tcp_connect("127.0.0.1", XCS_TCP_PORT);
if (ret < 0)
{
printf("connect failed!\n");
exit(-1);
}
xcs_ctrl_fd = ret;
memset(&msg, 0, sizeof(msg));
msg.type = XCS_CONNECT_CTRL;
xcs_send(xcs_ctrl_fd, &msg);
xcs_read(xcs_ctrl_fd, &msg);
if (msg.result != XCS_RSLT_OK)
{
printf("Error connecting control channel\n");
exit(-1);
}
ret = tcp_connect("127.0.0.1", XCS_TCP_PORT);
if (ret < 0)
{
printf("connect failed!\n");
exit(-1);
}
xcs_data_fd = ret;
msg.type = XCS_CONNECT_DATA;
/* session id is set from before... */
xcs_send(xcs_data_fd, &msg);
xcs_read(xcs_data_fd, &msg);
if (msg.result != XCS_RSLT_OK)
{
printf("Error connecting data channel\n");
exit(-1);
}
msg.type = XCS_MSG_BIND;
msg.u.bind.port = PORT_WILDCARD;
msg.u.bind.type = TYPE_WILDCARD;
xcs_send(xcs_ctrl_fd, &msg);
xcs_read(xcs_ctrl_fd, &msg);
if (msg.result != XCS_RSLT_OK)
{
printf("Error binding.\n");
exit(-1);
}
while (1)
{
xcs_read(xcs_data_fd, &msg);
cmsg = &msg.u.control.msg;
for (i=0; i<60; i++)
if ((!isprint(cmsg->msg[i])) && (cmsg->msg[i] != '\0'))
cmsg->msg[i] = '.';
cmsg->msg[59] = '\0';
switch (msg.type)
{
case XCS_REQUEST:
printf("[REQUEST ] : (dom:%u port:%d) (type:(%d,%d) len %d) \n",
msg.u.control.remote_dom,
msg.u.control.local_port,
msg.u.control.msg.type,
msg.u.control.msg.subtype,
msg.u.control.msg.length);
if (verbose)
printf(" : %s\n", msg.u.control.msg.msg);
break;
case XCS_RESPONSE:
printf("[RESPONSE] : (dom:%u port:%d) (type:(%d,%d) len %d) \n",
msg.u.control.remote_dom,
msg.u.control.local_port,
msg.u.control.msg.type,
msg.u.control.msg.subtype,
msg.u.control.msg.length);
if (verbose)
printf(" : %s\n", msg.u.control.msg.msg);
break;
case XCS_VIRQ:
printf("[VIRQ ] : %d\n", msg.u.control.local_port);
default:
printf("[UNKNOWN ]\n");
}
}
return(0);
}
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