lspci.c File Reference

#include "rdesktop.h"
#include <sys/types.h>
#include <unistd.h>

Include dependency graph for lspci.c:

Go to the source code of this file.

Classes
struct	_pci_device

Typedefs
typedef struct _pci_device	pci_device

Functions
static void	lspci_send (RDPCLIENT *This, const char *output)
static BOOL	handle_child_line (RDPCLIENT *This, const char *line, void *data)
static BOOL	lspci_process_line (RDPCLIENT *This, const char *line, void *data)
static void	lspci_process (RDPCLIENT *This, STREAM s)
BOOL	lspci_init (RDPCLIENT *This)

Variables
static VCHANNEL *	lspci_channel
static pci_device	current_device

Typedef Documentation

pci_device

typedef struct _pci_device pci_device

Function Documentation

handle_child_line()

static BOOL handle_child_line ( RDPCLIENT *  This, const char *  line, void *  data  )

static

Definition at line 45 of file lspci.c.

{
    const char *val;
    char buf[1024];
 
    if (str_startswith(line, "Class:"))
    {
        val = line + sizeof("Class:");
        /* Skip whitespace and second Class: occurance */
        val += strspn(val, " \t") + sizeof("Class");
        current_device.klass = strtol(val, NULL, 16);
    }
    else if (str_startswith(line, "Vendor:"))
    {
        val = line + sizeof("Vendor:");
        current_device.vendor = strtol(val, NULL, 16);
    }
    else if (str_startswith(line, "Device:"))
    {
        val = line + sizeof("Device:");
        /* Sigh, there are *two* lines tagged as Device:. We
           are not interested in the domain/bus/slot/func */
        if (!strchr(val, ':'))
            current_device.device = strtol(val, NULL, 16);
    }
    else if (str_startswith(line, "SVendor:"))
    {
        val = line + sizeof("SVendor:");
        current_device.subvendor = strtol(val, NULL, 16);
    }
    else if (str_startswith(line, "SDevice:"))
    {
        val = line + sizeof("SDevice:");
        current_device.subdevice = strtol(val, NULL, 16);
    }
    else if (str_startswith(line, "Rev:"))
    {
        val = line + sizeof("Rev:");
        current_device.revision = strtol(val, NULL, 16);
    }
    else if (str_startswith(line, "ProgIf:"))
    {
        val = line + sizeof("ProgIf:");
        current_device.progif = strtol(val, NULL, 16);
    }
    else if (strspn(line, " \t") == strlen(line))
    {
        /* Blank line. Send collected information over channel */
        snprintf(buf, sizeof(buf), "%04x,%04x,%04x,%04x,%04x,%02x,%02x\n",
             current_device.klass, current_device.vendor,
             current_device.device, current_device.subvendor,
             current_device.subdevice, current_device.revision, current_device.progif);
        lspci_send(This, buf);
        memset(&current_device, 0, sizeof(current_device));
    }
    else
    {
        warning("lspci: Unrecoqnized line '%s'\n", line);
    }
    return True;
}

Referenced by lspci_process_line().

lspci_init()

BOOL lspci_init

(

RDPCLIENT *

This

)

Definition at line 152 of file lspci.c.

{
    lspci_channel =
        channel_register(This, "lspci", CHANNEL_OPTION_INITIALIZED | CHANNEL_OPTION_ENCRYPT_RDP,
                 lspci_process);
    return (lspci_channel != NULL);
}

lspci_process()

static void lspci_process ( RDPCLIENT *  This, STREAM  s  )

static

Definition at line 131 of file lspci.c.

{
    unsigned int pkglen;
    static char *rest = NULL;
    char *buf;
 
    pkglen = s->end - s->p;
    /* str_handle_lines requires null terminated strings */
    buf = xmalloc(pkglen + 1);
    STRNCPY(buf, (char *) s->p, pkglen + 1);
#if 0
    printf("lspci recv:\n");
    hexdump(s->p, pkglen);
#endif
 
    str_handle_lines(This, buf, &rest, lspci_process_line, NULL);
    xfree(buf);
}

Referenced by lspci_init().

lspci_process_line()

static BOOL lspci_process_line ( RDPCLIENT *  This, const char *  line, void *  data  )

static

Definition at line 110 of file lspci.c.

{
    char *lspci_command[5] = { "lspci", "-m", "-n", "-v", NULL };
 
    if (!strcmp(line, "LSPCI"))
    {
        memset(&current_device, 0, sizeof(current_device));
        subprocess(This, lspci_command, handle_child_line, NULL);
        /* Send single dot to indicate end of enumeration */
        lspci_send(This, ".\n");
    }
    else
    {
        error("lspci protocol error: Invalid line '%s'\n", line);
    }
    return True;
}

Referenced by lspci_process().

lspci_send()

static void lspci_send ( RDPCLIENT *  This, const char *  output  )

static

Definition at line 162 of file lspci.c.

{
    STREAM s;
    size_t len;
 
    len = strlen(output);
    s = channel_init(This, lspci_channel, len);
    out_uint8p(s, output, len) s_mark_end(s);
 
#if 0
    printf("lspci send:\n");
    hexdump(s->channel_hdr + 8, s->end - s->channel_hdr - 8);
#endif
 
    channel_send(This, s, lspci_channel);
}

Referenced by handle_child_line(), and lspci_process_line().

Variable Documentation

current_device

pci_device current_device

static

Definition at line 38 of file lspci.c.

Referenced by handle_child_line(), and lspci_process_line().

lspci_channel

VCHANNEL* lspci_channel

static

Definition at line 25 of file lspci.c.

Referenced by lspci_init(), and lspci_send().