diff options
Diffstat (limited to 'usr.sbin')
| -rw-r--r-- | usr.sbin/vnconfig/Makefile | 3 | ||||
| -rw-r--r-- | usr.sbin/vnconfig/vnconfig.c | 625 |
2 files changed, 12 insertions, 616 deletions
diff --git a/usr.sbin/vnconfig/Makefile b/usr.sbin/vnconfig/Makefile index 72e5627..5f80f85 100644 --- a/usr.sbin/vnconfig/Makefile +++ b/usr.sbin/vnconfig/Makefile @@ -1,7 +1,6 @@ # $FreeBSD$ PROG= vnconfig -MAN8= vnconfig.8 -MLINKS= vnconfig.8 swapfile.8 +NOMAN= "mdconfig supplies manpage" .include <bsd.prog.mk> diff --git a/usr.sbin/vnconfig/vnconfig.c b/usr.sbin/vnconfig/vnconfig.c index 823df94..395c106 100644 --- a/usr.sbin/vnconfig/vnconfig.c +++ b/usr.sbin/vnconfig/vnconfig.c @@ -1,625 +1,22 @@ /* - * Copyright (c) 1993 University of Utah. - * Copyright (c) 1990, 1993 - * The Regents of the University of California. All rights reserved. + * ---------------------------------------------------------------------------- + * "THE BEER-WARE LICENSE" (Revision 42): + * <phk@FreeBSD.ORG> wrote this file. As long as you retain this notice you + * can do whatever you want with this stuff. If we meet some day, and you think + * this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp + * ---------------------------------------------------------------------------- * - * This code is derived from software contributed to Berkeley by - * the Systems Programming Group of the University of Utah Computer - * Science Department. + * $FreeBSD$ * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * from: Utah $Hdr: vnconfig.c 1.1 93/12/15$ */ -#ifndef lint -#if 0 -static char sccsid[] = "@(#)vnconfig.c 8.1 (Berkeley) 12/15/93"; -#endif -static const char rcsid[] = - "$FreeBSD$"; -#endif /* not lint */ - -#include <ctype.h> -#include <err.h> -#include <errno.h> -#include <paths.h> #include <stdio.h> -#include <stdlib.h> -#include <fcntl.h> -#include <string.h> -#include <unistd.h> -#include <sys/param.h> -#include <sys/ioctl.h> -#include <sys/linker.h> -#include <sys/mount.h> -#include <sys/module.h> -#include <sys/stat.h> -#include <sys/vnioctl.h> -#include <ufs/ufs/ufsmount.h> - -#define MAXVNDISK 16 -#define LINESIZE 1024 -#define ZBUFSIZE 32768 - -struct vndisk { - char *dev; - char *file; - char *autolabel; - int flags; - int size; - char *oarg; -} vndisks[MAXVNDISK]; - -#define VN_CONFIG 0x01 -#define VN_UNCONFIG 0x02 -#define VN_ENABLE 0x04 -#define VN_DISABLE 0x08 -#define VN_SWAP 0x10 -#define VN_MOUNTRO 0x20 -#define VN_MOUNTRW 0x40 -#define VN_IGNORE 0x80 -#define VN_SET 0x100 -#define VN_RESET 0x200 -#define VN_TRUNCATE 0x400 -#define VN_ZERO 0x800 - -int nvndisks; - -int all = 0; -int verbose = 0; -int global = 0; -u_long setopt = 0; -u_long resetopt = 0; -char *configfile; - -int config __P((struct vndisk *)); -void getoptions __P((struct vndisk *, char *)); -void readconfig __P((int)); -static void usage __P((void)); -static int getsize(const char *arg); -static void do_autolabel(const char *dev, const char *label); -int what_opt __P((char *, u_long *)); - -int -main(argc, argv) - char **argv; -{ - register int i, rv; - int flags = 0; - int size = 0; - char *autolabel = NULL; - char *s; - - fprintf(stderr, -"WARNING: vnconfig and the vn driver is being phased out.\n" -"WARNING: You should use mdconfig and the md driver instead.\n" -"WARNING: Continuing in 15 seconds...\n"); - sleep(15); - - configfile = _PATH_VNTAB; - while ((i = getopt(argc, argv, "acdef:gr:s:S:TZL:uv")) != -1) - switch (i) { - - /* all -- use config file */ - case 'a': - all++; - break; - - /* configure */ - case 'c': - flags |= VN_CONFIG; - flags &= ~VN_UNCONFIG; - break; - - /* disable */ - case 'd': - flags |= VN_DISABLE; - flags &= ~VN_ENABLE; - break; - - /* enable */ - case 'e': - flags |= (VN_ENABLE|VN_CONFIG); - flags &= ~(VN_DISABLE|VN_UNCONFIG); - break; - - /* alternate config file */ - case 'f': - configfile = optarg; - break; - - /* fiddle global options */ - case 'g': - global = 1 - global; - break; - - /* reset options */ - case 'r': - for (s = strtok(optarg, ","); s; s = strtok(NULL, ",")) { - if (what_opt(s, &resetopt)) - errx(1, "invalid options '%s'", s); - } - flags |= VN_RESET; - break; - - /* set options */ - case 's': - for (s = strtok(optarg, ","); s; s = strtok(NULL, ",")) { - if (what_opt(s, &setopt)) - errx(1, "invalid options '%s'", s); - } - flags |= VN_SET; - break; - - /* unconfigure */ - case 'u': - flags |= (VN_DISABLE|VN_UNCONFIG); - flags &= ~(VN_ENABLE|VN_CONFIG); - break; - - /* verbose */ - case 'v': - verbose++; - break; - - case 'S': - size = getsize(optarg); - flags |= VN_CONFIG; - flags &= ~VN_UNCONFIG; - break; - - case 'T': - flags |= VN_TRUNCATE; - break; - - case 'Z': - flags |= VN_ZERO; - break; - - case 'L': - autolabel = optarg; - break; - - default: - usage(); - } - - if (modfind("vn") < 0) - if (kldload("vn") < 0 || modfind("vn") < 0) - warnx( "cannot find or load \"vn\" kernel module"); - - if (flags == 0) - flags = VN_CONFIG; - if (all) { - readconfig(flags); - } else { - if (argc < optind + 1) - usage(); - vndisks[0].dev = argv[optind++]; - vndisks[0].file = argv[optind++]; /* may be NULL */ - vndisks[0].flags = flags; - vndisks[0].size = size; - vndisks[0].autolabel = autolabel; - if (optind < argc) - getoptions(&vndisks[0], argv[optind]); - nvndisks = 1; - } - rv = 0; - for (i = 0; i < nvndisks; i++) - rv += config(&vndisks[i]); - exit(rv); -} - -int -what_opt(str,p) - char *str; - u_long *p; -{ - if (!strcmp(str,"reserve")) { *p |= VN_RESERVE; return 0; } - if (!strcmp(str,"labels")) { *p |= VN_LABELS; return 0; } - if (!strcmp(str,"follow")) { *p |= VN_FOLLOW; return 0; } - if (!strcmp(str,"debug")) { *p |= VN_DEBUG; return 0; } - if (!strcmp(str,"all")) { *p |= ~0; return 0; } - if (!strcmp(str,"none")) { *p |= 0; return 0; } - return 1; -} int -config(vnp) - struct vndisk *vnp; +main(int argc, char **argv) { - char *dev, *file, *oarg; - int flags; - struct vn_ioctl vnio; - register int rv; - char *rdev; - FILE *f; - u_long l; - int pgsize = getpagesize(); - rv = 0; - - /* - * Prepend "/dev/" to the specified device name, if necessary. - * Operate on vnp->dev because it is used later. - */ - if (vnp->dev[0] != '/' && vnp->dev[0] != '.') - (void)asprintf(&vnp->dev, "%s%s", _PATH_DEV, vnp->dev); - dev = vnp->dev; - file = vnp->file; - flags = vnp->flags; - oarg = vnp->oarg; - - if (flags & VN_IGNORE) - return(0); - - /* - * When a regular file has been specified, do any requested setup - * of the file. Truncation (also creates the file if necessary), - * sizing, and zeroing. - */ - - if (file && vnp->size != 0 && (flags & VN_CONFIG)) { - int fd; - struct stat st; - - if (flags & VN_TRUNCATE) - fd = open(file, O_RDWR|O_CREAT|O_TRUNC); - else - fd = open(file, O_RDWR); - if (fd >= 0 && fstat(fd, &st) == 0 && S_ISREG(st.st_mode)) { - if (st.st_size < (off_t)vnp->size * pgsize) - ftruncate(fd, (off_t)vnp->size * pgsize); - if (vnp->size != 0) - st.st_size = (off_t)vnp->size * pgsize; - - if (flags & VN_ZERO) { - char *buf = malloc(ZBUFSIZE); - bzero(buf, ZBUFSIZE); - while (st.st_size > 0) { - int n = (st.st_size > ZBUFSIZE) ? - ZBUFSIZE : (int)st.st_size; - if (write(fd, buf, n) != n) { - ftruncate(fd, 0); - printf("Unable to ZERO file %s\n", file); - return(0); - } - st.st_size -= (off_t)n; - } - } - close(fd); - } else { - printf("Unable to open file %s\n", file); - return(0); - } - } - - rdev = dev; - (void)asprintf(&rdev, "%s.ctl", dev); - f = fopen(rdev, "rw"); - if (f == NULL) - f = fopen(dev, "rw"); - if (f == NULL) { - warn("%s", dev); - return(1); - } - vnio.vn_file = file; - vnio.vn_size = vnp->size; /* non-zero only if swap backed */ - - /* - * Disable the device - */ - if (flags & VN_DISABLE) { - if (flags & (VN_MOUNTRO|VN_MOUNTRW)) { - rv = unmount(oarg, 0); - if (rv) { - if (errno == EBUSY) - flags &= ~VN_UNCONFIG; - if ((flags & VN_UNCONFIG) == 0) - warn("umount"); - } else if (verbose) - printf("%s: unmounted\n", dev); - } - } - /* - * Clear (un-configure) the device - */ - if (flags & VN_UNCONFIG) { - rv = ioctl(fileno(f), VNIOCDETACH, &vnio); - if (rv) { - if (errno == ENODEV) { - if (verbose) - printf("%s: not configured\n", dev); - rv = 0; - } else - warn("VNIOCDETACH"); - } else if (verbose) - printf("%s: cleared\n", dev); - } - /* - * Set specified options - */ - if (flags & VN_SET) { - l = setopt; - if (global) - rv = ioctl(fileno(f), VNIOCGSET, &l); - else - rv = ioctl(fileno(f), VNIOCUSET, &l); - if (rv) { - warn("VNIO[GU]SET"); - } else if (verbose) - printf("%s: flags now=%08x\n",dev,l); - } - /* - * Reset specified options - */ - if (flags & VN_RESET) { - l = resetopt; - if (global) - rv = ioctl(fileno(f), VNIOCGCLEAR, &l); - else - rv = ioctl(fileno(f), VNIOCUCLEAR, &l); - if (rv) { - warn("VNIO[GU]CLEAR"); - } else if (verbose) - printf("%s: flags now=%08x\n",dev,l); - } - /* - * Configure the device - */ - if (flags & VN_CONFIG) { - rv = ioctl(fileno(f), VNIOCATTACH, &vnio); - if (rv) { - warn("VNIOCATTACH"); - flags &= ~VN_ENABLE; - } else { - if (verbose) { - printf( - "%s: %d bytes on %s\n", - dev, vnio.vn_size, file - ); - } - /* - * autolabel - */ - if (vnp->autolabel) { - do_autolabel(vnp->dev, vnp->autolabel); - } - } - } - /* - * Set an option - */ - if (flags & VN_SET) { - l = setopt; - if (global) - rv = ioctl(fileno(f), VNIOCGSET, &l); - else - rv = ioctl(fileno(f), VNIOCUSET, &l); - if (rv) { - warn("VNIO[GU]SET"); - } else if (verbose) - printf("%s: flags now=%08lx\n",dev,l); - } - /* - * Reset an option - */ - if (flags & VN_RESET) { - l = resetopt; - if (global) - rv = ioctl(fileno(f), VNIOCGCLEAR, &l); - else - rv = ioctl(fileno(f), VNIOCUCLEAR, &l); - if (rv) { - warn("VNIO[GU]CLEAR"); - } else if (verbose) - printf("%s: flags now=%08lx\n",dev,l); - } - - /* - * Enable special functions on the device - */ - if (flags & VN_ENABLE) { - if (flags & VN_SWAP) { - rv = swapon(dev); - if (rv) - warn("swapon"); - else if (verbose) - printf("%s: swapping enabled\n", dev); - } - if (flags & (VN_MOUNTRO|VN_MOUNTRW)) { - struct ufs_args args; - int mflags; - - args.fspec = dev; - mflags = (flags & VN_MOUNTRO) ? MNT_RDONLY : 0; - rv = mount("ufs", oarg, mflags, &args); - if (rv) - warn("mount"); - else if (verbose) - printf("%s: mounted on %s\n", dev, oarg); - } - } -/* done: */ - fclose(f); - fflush(stdout); - return(rv < 0); -} - -#define EOL(c) ((c) == '\0' || (c) == '\n') -#define WHITE(c) ((c) == ' ' || (c) == '\t' || (c) == '\n') - -void -readconfig(flags) - int flags; -{ - char buf[LINESIZE]; - FILE *f; - register char *cp, *sp; - register int ix; - - f = fopen(configfile, "r"); - if (f == NULL) - err(1, "%s", configfile); - ix = 0; - while (fgets(buf, LINESIZE, f) != NULL) { - cp = buf; - if (*cp == '#') - continue; - while (!EOL(*cp) && WHITE(*cp)) - cp++; - if (EOL(*cp)) - continue; - sp = cp; - while (!EOL(*cp) && !WHITE(*cp)) - cp++; - if (EOL(*cp)) - continue; - *cp++ = '\0'; - vndisks[ix].dev = malloc(cp - sp); - strcpy(vndisks[ix].dev, sp); - while (!EOL(*cp) && WHITE(*cp)) - cp++; - if (EOL(*cp)) - continue; - sp = cp; - while (!EOL(*cp) && !WHITE(*cp)) - cp++; - *cp++ = '\0'; - - if (*sp == '%' && strtol(sp + 1, NULL, 0) > 0) { - vndisks[ix].size = getsize(sp + 1); - } else { - vndisks[ix].file = malloc(cp - sp); - strcpy(vndisks[ix].file, sp); - } - - while (!EOL(*cp) && WHITE(*cp)) - cp++; - vndisks[ix].flags = flags; - if (!EOL(*cp)) { - sp = cp; - while (!EOL(*cp) && !WHITE(*cp)) - cp++; - *cp++ = '\0'; - getoptions(&vndisks[ix], sp); - } - nvndisks++; - ix++; - } -} - -void -getoptions(vnp, fstr) - struct vndisk *vnp; - char *fstr; -{ - int flags = 0; - char *oarg = NULL; - - if (strcmp(fstr, "swap") == 0) - flags |= VN_SWAP; - else if (strncmp(fstr, "mount=", 6) == 0) { - flags |= VN_MOUNTRW; - oarg = &fstr[6]; - } else if (strncmp(fstr, "mountrw=", 8) == 0) { - flags |= VN_MOUNTRW; - oarg = &fstr[8]; - } else if (strncmp(fstr, "mountro=", 8) == 0) { - flags |= VN_MOUNTRO; - oarg = &fstr[8]; - } else if (strcmp(fstr, "ignore") == 0) - flags |= VN_IGNORE; - vnp->flags |= flags; - if (oarg) { - vnp->oarg = malloc(strlen(oarg) + 1); - strcpy(vnp->oarg, oarg); - } else - vnp->oarg = NULL; -} - -static void -usage() -{ - fprintf(stderr, "%s\n%s\n%s\n", - "usage: vnconfig [-cdeguv] [-s option] [-r option] [-S value] special_file", - " [regular_file] [feature]", - " vnconfig -a [-cdeguv] [-s option] [-r option] [-f config_file]"); - exit(1); -} - -static int -getsize(const char *arg) -{ - char *ptr; - int pgsize = getpagesize(); - quad_t size = strtoq(arg, &ptr, 0); - - switch(tolower(*ptr)) { - case 't': - /* - * GULP! Terrabytes. It's actually possible to create - * a 7.9 TB VN device, though newfs can't handle any single - * filesystem larger then 1 TB. - */ - size *= 1024; - /* fall through */ - case 'g': - size *= 1024; - /* fall through */ - default: - case 'm': - size *= 1024; - /* fall through */ - case 'k': - size *= 1024; - /* fall through */ - case 'c': - break; - } - size = (size + pgsize - 1) / pgsize; - return((int)size); + fprintf(stderr, "ERROR: vnconfig(8) has been discontinued\n"); + fprintf(stderr, "\tPlease used mdconfig(8).\n"); + exit (1); } - -/* - * DO_AUTOLABEL - * - * Automatically label the device. This will wipe any preexisting - * label. - */ - -static void -do_autolabel(const char *dev, const char *label) -{ - /* XXX not yet implemented */ - fprintf(stderr, "autolabel not yet implemented, sorry\n"); - exit(1); -} - |
