Esempio n. 1
0
/* Implements the remote setpag(2) call. Note that unlike the standard call,
 * here we also get back the new pag value; we need this so that the caller
 * can add it to its group list via setgroups() */
afs_int32
SRMTSYS_SetPag(struct rx_call *call, clientcred *creds, afs_int32 *newpag,
	       afs_int32 *errornumber)
{
    afs_uint32 blob[PIOCTL_HEADER];
    struct ViceIoctl data;
    afs_int32 error;

    *errornumber = 0;
    SETCLIENTCONTEXT(blob, rx_HostOf(rx_PeerOf(rx_ConnectionOf(call))), creds->uid,
		     creds->group0, creds->group1, PSETPAG, NFS_EXPORTER);
    data.in = (caddr_t) blob;
    data.in_size = sizeof(blob);
    data.out = (caddr_t) blob;
    data.out_size = sizeof(blob);
    /* force local pioctl call */
    error = lpioctl(0, _VICEIOCTL(PSetClientContext), &data, 1);
    if (error) {
	if (errno == PSETPAG) {
	    *newpag = blob[0];	/* new pag value */
	} else
	    *errornumber = errno;
    }
    return 0;
}
Esempio n. 2
0
/* Implements the remote pioctl(2) call */
afs_int32
SRMTSYS_Pioctl(struct rx_call *call, clientcred *creds, char *path,
	       afs_int32 cmd, afs_int32 follow, rmtbulk *InData,
	       rmtbulk *OutData, afs_int32 *errornumber)
{
    afs_int32 error;
    struct ViceIoctl data;
    char *pathp = path;
    afs_uint32 blob[PIOCTL_HEADER];

    *errornumber = 0;
    SETCLIENTCONTEXT(blob, rx_HostOf(call->conn->peer), creds->uid,
		     creds->group0, creds->group1, cmd, NFS_EXPORTER);
    data.in =
	(char *)malloc(InData->rmtbulk_len +
		       PIOCTL_HEADER * sizeof(afs_int32));
    if (!data.in)
	return (-1);		/* helpless here */
    if (!strcmp(path, NIL_PATHP))
	pathp = (char *)0;	/* It meant to be NIL */
    memcpy(data.in, blob, sizeof(blob));
    inparam_conversion(cmd, InData->rmtbulk_val, 1);
    memcpy(data.in + sizeof(blob), InData->rmtbulk_val, InData->rmtbulk_len);
    data.in_size = InData->rmtbulk_len + PIOCTL_HEADER * sizeof(afs_int32);
    data.out = OutData->rmtbulk_val;
    data.out_size = OutData->rmtbulk_len;
    /* force local pioctl call */
    error = lpioctl(pathp, _VICEIOCTL(PSetClientContext), &data, follow);
    if (error) {
	*errornumber = errno;
    } else {
	/* Send the results back in network order */
	outparam_conversion(cmd, data.out, 0);
    }
    free(data.in);
    /* Note that we return success (i.e. 0) even when pioctl fails; that's
     * because the actual errno is passed back via 'errornumber' and this call
     * MUST return success error in order to get that OUT params back (YUCK!)
     */
    return (0);
}