diff options
Diffstat (limited to 'mls_ipl.c')
| -rw-r--r-- | mls_ipl.c | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/mls_ipl.c b/mls_ipl.c new file mode 100644 index 0000000..5a70ab9 --- /dev/null +++ b/mls_ipl.c @@ -0,0 +1,213 @@ +/* + * Copyright (C) 1993-2001 by Darren Reed. + * + * See the IPFILTER.LICENCE file for details on licencing. + */ +/* + * 29/12/94 Added code from Marc Huber <huber@fzi.de> to allow it to allocate + * its own major char number! Way cool patch! + */ +#include <sys/types.h> +#include <sys/stat.h> +#include <sys/time.h> +#include <sys/file.h> +#include <sys/socket.h> +#include <sys/conf.h> +#include <sys/syslog.h> +#include <sys/buf.h> +#include <sys/mbuf.h> +#include <sys/param.h> +#include <sys/errno.h> +#include <sys/uio.h> +#include <sys/vnode.h> +#include <sundev/mbvar.h> +#include <sun/autoconf.h> +#include <sun/vddrv.h> +#if defined(sun4c) || defined(sun4m) +# include <sun/openprom.h> +#endif +#include <netinet/in.h> +#include <netinet/in_systm.h> +#include <netinet/ip.h> +#include <netinet/ip_var.h> +#include <netinet/tcp.h> +#include <netinet/tcpip.h> +#include <net/if.h> +#include "ipl.h" +#include "ip_compat.h" +#include "ip_fil.h" + + +#if !defined(lint) +static const char sccsid[] = "@(#)mls_ipl.c 2.6 10/15/95 (C) 1993-2000 Darren Reed"; +static const char rcsid[] = "@(#)$Id: mls_ipl.c,v 2.2.2.2 2002/04/10 05:05:54 darrenr Exp $"; +#endif + +extern int ipldetach __P((void)); +#ifndef IPFILTER_LOG +#define iplread nulldev +#endif +extern int nulldev __P((void)); +extern int errno; +extern int iplidentify __P((char *)); + +extern int nodev __P((void)); + +static int unload __P((void)); +static int ipl_attach __P((void)); +int xxxinit __P((u_int, struct vddrv *, caddr_t, struct vdstat *)); +static char *ipf_devfiles[] = { IPL_NAME, IPL_NAT, IPL_STATE, IPL_AUTH, + NULL }; + + +struct cdevsw ipldevsw = +{ + iplopen, iplclose, iplread, nulldev, + iplioctl, nulldev, nulldev, nulldev, + 0, nulldev, +}; + + +struct dev_ops ipl_ops = +{ + 1, + iplidentify, + iplattach, + iplopen, + iplclose, + iplread, + NULL, /* write */ + NULL, /* strategy */ + NULL, /* dump */ + 0, /* psize */ + iplioctl, + NULL, /* reset */ + NULL /* mmap */ +}; + +int ipl_major = 0; + +#ifdef sun4m +struct vdldrv vd = +{ + VDMAGIC_PSEUDO, + IPL_VERSION, + &ipl_ops, + NULL, + &ipldevsw, + 0, + 0, + NULL, + NULL, + NULL, + 0, + 1, +}; +#else /* sun4m */ +struct vdldrv vd = +{ + VDMAGIC_PSEUDO, /* magic */ + IPL_VERSION, +#ifdef sun4c + &ipl_ops, /* dev_ops */ +#else + NULL, /* struct mb_ctlr *mb_ctlr */ + NULL, /* struct mb_driver *mb_driver */ + NULL, /* struct mb_device *mb_device */ + 0, /* num ctlrs */ + 1, /* numdevs */ +#endif /* sun4c */ + NULL, /* bdevsw */ + &ipldevsw, /* cdevsw */ + 0, /* block major */ + 0, /* char major */ +}; +#endif /* sun4m */ + +extern int vd_unuseddev __P((void)); +extern struct cdevsw cdevsw[]; +extern int nchrdev; + +xxxinit(fc, vdp, data, vds) +u_int fc; +struct vddrv *vdp; +caddr_t data; +struct vdstat *vds; +{ + struct vdioctl_load *vdi = (struct vdioctl_load *)data; + + switch (fc) + { + case VDLOAD: + { + struct vdconf *vdc; + if (vdi && vdi->vdi_userconf) + for (vdc = vdi->vdi_userconf; vdc->vdc_type; vdc++) + if (vdc->vdc_type == VDCCHARMAJOR) { + ipl_major = vdc->vdc_data; + break; + } + + if (!ipl_major) { + while (ipl_major < nchrdev && + cdevsw[ipl_major].d_open != vd_unuseddev) + ipl_major++; + if (ipl_major == nchrdev) + return ENODEV; + } + vdp->vdd_vdtab = (struct vdlinkage *)&vd; + vd.Drv_charmajor = ipl_major; + return ipl_attach(); + } + case VDUNLOAD: + return unload(); + case VDSTAT: + return 0; + default: + return EIO; + } +} + + +static int unload() +{ + char *name; + int err, i; + + err = ipldetach(); + if (err) + return err; + for (i = 0; (name = ipf_devfiles[i]); i++) + (void) vn_remove(name, UIO_SYSSPACE, FILE); + return 0; +} + + +static int ipl_attach() +{ + struct vnode *vp; + struct vattr vattr; + int error = 0, fmode = S_IFCHR|0600, i; + char *name; + + error = iplattach(); + if (error) + return error; + + for (i = 0; (name = ipf_devfiles[i]); i++) { + (void) vn_remove(name, UIO_SYSSPACE, FILE); + vattr_null(&vattr); + vattr.va_type = MFTOVT(fmode); + vattr.va_mode = (fmode & 07777); + vattr.va_rdev = (ipl_major << 8) | i; + + error = vn_create(name, UIO_SYSSPACE, &vattr, EXCL, 0, &vp); + if (error) { + printf("IP Filter: vn_create(%s) = %d\n", name, error); + break; + } else { + VN_RELE(vp); + } + } + return error; +} |
