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178 lines
4.6 KiB
C
178 lines
4.6 KiB
C
/* -*- c-basic-offset: 8 -*-
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rdesktop: A Remote Desktop Protocol client.
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Support for the Matrox "lspci" channel
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Copyright (C) 2005 Matrox Graphics Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "rdesktop.h"
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#include <sys/types.h>
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#include <unistd.h>
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static VCHANNEL *lspci_channel;
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typedef struct _pci_device
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{
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uint16 klass;
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uint16 vendor;
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uint16 device;
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uint16 subvendor;
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uint16 subdevice;
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uint8 revision;
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uint8 progif;
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} pci_device;
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static pci_device current_device;
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static void lspci_send(RDPCLIENT * This, const char *output);
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/* Handle one line of output from the lspci subprocess */
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static BOOL
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handle_child_line(RDPCLIENT * This, const char *line, void *data)
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{
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const char *val;
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char buf[1024];
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if (str_startswith(line, "Class:"))
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{
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val = line + sizeof("Class:");
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/* Skip whitespace and second Class: occurance */
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val += strspn(val, " \t") + sizeof("Class");
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current_device.klass = strtol(val, NULL, 16);
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}
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else if (str_startswith(line, "Vendor:"))
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{
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val = line + sizeof("Vendor:");
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current_device.vendor = strtol(val, NULL, 16);
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}
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else if (str_startswith(line, "Device:"))
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{
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val = line + sizeof("Device:");
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/* Sigh, there are *two* lines tagged as Device:. We
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are not interested in the domain/bus/slot/func */
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if (!strchr(val, ':'))
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current_device.device = strtol(val, NULL, 16);
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}
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else if (str_startswith(line, "SVendor:"))
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{
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val = line + sizeof("SVendor:");
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current_device.subvendor = strtol(val, NULL, 16);
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}
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else if (str_startswith(line, "SDevice:"))
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{
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val = line + sizeof("SDevice:");
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current_device.subdevice = strtol(val, NULL, 16);
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}
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else if (str_startswith(line, "Rev:"))
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{
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val = line + sizeof("Rev:");
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current_device.revision = strtol(val, NULL, 16);
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}
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else if (str_startswith(line, "ProgIf:"))
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{
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val = line + sizeof("ProgIf:");
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current_device.progif = strtol(val, NULL, 16);
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}
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else if (strspn(line, " \t") == strlen(line))
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{
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/* Blank line. Send collected information over channel */
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snprintf(buf, sizeof(buf), "%04x,%04x,%04x,%04x,%04x,%02x,%02x\n",
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current_device.klass, current_device.vendor,
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current_device.device, current_device.subvendor,
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current_device.subdevice, current_device.revision, current_device.progif);
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lspci_send(This, buf);
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memset(¤t_device, 0, sizeof(current_device));
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}
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else
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{
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warning("lspci: Unrecoqnized line '%s'\n", line);
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}
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return True;
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}
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/* Process one line of input from virtual channel */
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static BOOL
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lspci_process_line(RDPCLIENT * This, const char *line, void *data)
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{
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char *lspci_command[5] = { "lspci", "-m", "-n", "-v", NULL };
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if (!strcmp(line, "LSPCI"))
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{
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memset(¤t_device, 0, sizeof(current_device));
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subprocess(This, lspci_command, handle_child_line, NULL);
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/* Send single dot to indicate end of enumeration */
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lspci_send(This, ".\n");
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}
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else
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{
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error("lspci protocol error: Invalid line '%s'\n", line);
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}
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return True;
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}
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/* Process new data from the virtual channel */
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static void
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lspci_process(RDPCLIENT * This, STREAM s)
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{
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unsigned int pkglen;
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static char *rest = NULL;
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char *buf;
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pkglen = s->end - s->p;
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/* str_handle_lines requires null terminated strings */
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buf = xmalloc(pkglen + 1);
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STRNCPY(buf, (char *) s->p, pkglen + 1);
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#if 0
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printf("lspci recv:\n");
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hexdump(s->p, pkglen);
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#endif
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str_handle_lines(This, buf, &rest, lspci_process_line, NULL);
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xfree(buf);
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}
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/* Initialize this module: Register the lspci channel */
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BOOL
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lspci_init(RDPCLIENT * This)
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{
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lspci_channel =
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channel_register(This, "lspci", CHANNEL_OPTION_INITIALIZED | CHANNEL_OPTION_ENCRYPT_RDP,
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lspci_process);
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return (lspci_channel != NULL);
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}
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/* Send data to channel */
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static void
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lspci_send(RDPCLIENT * This, const char *output)
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{
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STREAM s;
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size_t len;
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len = strlen(output);
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s = channel_init(This, lspci_channel, len);
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out_uint8p(s, output, len) s_mark_end(s);
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#if 0
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printf("lspci send:\n");
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hexdump(s->channel_hdr + 8, s->end - s->channel_hdr - 8);
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#endif
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channel_send(This, s, lspci_channel);
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}
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