int gdbr_attach(libgdbr_t *g, int pid) {
int ret;
char *cmd;
size_t buffer_size;
if (!g || !g->sock) {
return -1;
}
g->stop_reason.is_valid = false;
reg_cache.valid = false;
if (g->stub_features.extended_mode == -1) {
gdbr_check_extended_mode (g);
}
if (!g->stub_features.extended_mode) {
// vAttach needs extended mode to do anything.
return -2;
}
buffer_size = strlen (CMD_ATTACH) + (sizeof (int) * 2) + 1;
cmd = calloc (buffer_size, sizeof (char));
if (!cmd) {
return -1;
}
ret = snprintf (cmd, buffer_size, "%s%x", CMD_ATTACH, pid);
if (ret < 0) {
free (cmd);
return ret;
}
ret = send_msg (g, cmd);
free(cmd);
if (ret < 0) {
return ret;
}
if (read_packet (g, false) >= 0) {
return handle_attach (g);
}
return -1;
}
void
usbip_run (const USB_DEVICE_DESCRIPTOR *dev_dsc) /* simple TCP server */
{
struct sockaddr_in serv, cli;
int listenfd, sockfd, nb;
#ifdef LINUX
unsigned int clilen;
#else
int clilen;
#endif
unsigned char attached;
#ifndef LINUX
WSAStartup (wVersionRequested, &wsaData);
if (wsaData.wVersion != wVersionRequested)
{
fprintf (stderr, "\n Wrong version\n");
exit (-1);
}
#endif
if ((listenfd = socket (PF_INET, SOCK_STREAM, 0)) < 0)
{
printf ("socket error : %s \n", strerror (errno));
exit (1);
};
int reuse = 1;
if (setsockopt(listenfd, SOL_SOCKET, SO_REUSEADDR, (const char*)&reuse, sizeof(reuse)) < 0)
perror("setsockopt(SO_REUSEADDR) failed");
memset (&serv, 0, sizeof (serv));
serv.sin_family = AF_INET;
serv.sin_addr.s_addr = htonl (INADDR_ANY);
serv.sin_port = htons (TCP_SERV_PORT);
if (bind (listenfd, (sockaddr *) & serv, sizeof (serv)) < 0)
{
printf ("bind error : %s \n", strerror (errno));
exit (1);
};
if (listen (listenfd, SOMAXCONN) < 0)
{
printf ("listen error : %s \n", strerror (errno));
exit (1);
};
for (;;)
{
clilen = sizeof (cli);
if (
(sockfd =
accept (listenfd, (sockaddr *) & cli, & clilen)) < 0)
{
printf ("accept error : %s \n", strerror (errno));
exit (1);
};
printf("Connection address:%s\n",inet_ntoa(cli.sin_addr));
attached=0;
while(1)
{
if(! attached)
{
OP_REQ_DEVLIST req;
if ((nb = recv (sockfd, (char *)&req, sizeof(OP_REQ_DEVLIST), 0)) != sizeof(OP_REQ_DEVLIST))
{
//printf ("receive error : %s \n", strerror (errno));
break;
};
#ifdef _DEBUG
print_recv((char *)&req, sizeof(OP_REQ_DEVLIST),"OP_REQ_DEVLIST");
#endif
req.command=ntohs(req.command);
printf("Header Packet\n");
printf("command: 0x%02X\n",req.command);
if(req.command == 0x8005)
{
OP_REP_DEVLIST list;
printf("list of devices\n");
handle_device_list(dev_dsc,&list);
if (send (sockfd, (char *)&list.header, sizeof(OP_REP_DEVLIST_HEADER), 0) != sizeof(OP_REP_DEVLIST_HEADER))
{
printf ("send error : %s \n", strerror (errno));
break;
};
if (send (sockfd, (char *)&list.device, sizeof(OP_REP_DEVLIST_DEVICE), 0) != sizeof(OP_REP_DEVLIST_DEVICE))
{
printf ("send error : %s \n", strerror (errno));
break;
};
if (send (sockfd, (char *)list.interfaces, sizeof(OP_REP_DEVLIST_INTERFACE)*list.device.bNumInterfaces, 0) != sizeof(OP_REP_DEVLIST_INTERFACE)*list.device.bNumInterfaces)
{
printf ("send error : %s \n", strerror (errno));
break;
};
free(list.interfaces);
}
else if(req.command == 0x8003)
{
char busid[32];
OP_REP_IMPORT rep;
printf("attach device\n");
if ((nb = recv (sockfd, busid, 32, 0)) != 32)
{
printf ("receive error : %s \n", strerror (errno));
break;
};
#ifdef _DEBUG
print_recv(busid, 32,"Busid");
#endif
handle_attach(dev_dsc,&rep);
if (send (sockfd, (char *)&rep, sizeof(OP_REP_IMPORT), 0) != sizeof(OP_REP_IMPORT))
{
printf ("send error : %s \n", strerror (errno));
break;
};
attached = 1;
}
}
else
{
printf("------------------------------------------------\n");
printf("handles requests\n");
USBIP_CMD_SUBMIT cmd;
USBIP_RET_SUBMIT usb_req;
if ((nb = recv (sockfd, (char *)&cmd, sizeof(USBIP_CMD_SUBMIT), 0)) != sizeof(USBIP_CMD_SUBMIT))
{
printf ("receive error : %s \n", strerror (errno));
break;
};
#ifdef _DEBUG
print_recv((char *)&cmd, sizeof(USBIP_CMD_SUBMIT),"USBIP_CMD_SUBMIT");
#endif
unpack((int *)&cmd,sizeof(USBIP_CMD_SUBMIT));
printf("usbip cmd %u\n",cmd.command);
printf("usbip seqnum %u\n",cmd.seqnum);
printf("usbip devid %u\n",cmd.devid);
printf("usbip direction %u\n",cmd.direction);
printf("usbip ep %u\n",cmd.ep);
printf("usbip flags %u\n",cmd.transfer_flags);
printf("usbip number of packets %u\n",cmd.number_of_packets);
printf("usbip interval %u\n",cmd.interval);
#ifdef LINUX
printf("usbip setup %llu\n",cmd.setup);
#else
printf("usbip setup %I64u\n",cmd.setup);
#endif
printf("usbip buffer lenght %u\n",cmd.transfer_buffer_length);
usb_req.command=0;
usb_req.seqnum=cmd.seqnum;
usb_req.devid=cmd.devid;
usb_req.direction=cmd.direction;
usb_req.ep=cmd.ep;
usb_req.status=0;
usb_req.actual_length=0;
usb_req.start_frame=0;
usb_req.number_of_packets=0;
usb_req.error_count=0;
usb_req.setup=cmd.setup;
if(cmd.command == 1)
handle_usb_request(sockfd, &usb_req, cmd.transfer_buffer_length);
if(cmd.command == 2) //unlink urb
{
printf("####################### Unlink URB %u (not working!!!)\n",cmd.transfer_flags);
//FIXME
/*
USBIP_RET_UNLINK ret;
printf("####################### Unlink URB %u\n",cmd.transfer_flags);
ret.command=htonl(0x04);
ret.devid=htonl(cmd.devid);
ret.direction=htonl(cmd.direction);
ret.ep=htonl(cmd.ep);
ret.seqnum=htonl(cmd.seqnum);
ret.status=htonl(1);
if (send (sockfd, (char *)&ret, sizeof(USBIP_RET_UNLINK), 0) != sizeof(USBIP_RET_UNLINK))
{
printf ("send error : %s \n", strerror (errno));
exit(-1);
};
*/
}
if(cmd.command > 2)
{
printf("Unknown USBIP cmd!\n");
close (sockfd);
#ifndef LINUX
WSACleanup ();
#endif
return;
};
}
}
close (sockfd);
};
#ifndef LINUX
WSACleanup ();
#endif
};
