コード例 #1
0
ファイル: mount_std.c プロジェクト: kusumi/DragonFlyBSD
int
main(int argc, char **argv)
{
	int ch, mntflags;
	char mntpath[MAXPATHLEN];
	struct vfsconf vfc;
	int error;

	/*
	 * XXX
	 * mount(8) calls the mount programs with an argv[0] which is
	 * /just/ the filesystem name.  So, if there is no underscore
	 * in argv[0], we assume that we are being called from mount(8)
	 * and that argv[0] is thus the name of the filesystem type.
	 */
	fsname = strrchr(argv[0], '_');
	if (fsname) {
		if (strcmp(fsname, "_std") == 0)
			errx(EX_USAGE, "argv[0] must end in _fsname");
		fsname++;
	} else {
		fsname = argv[0];
	}

	mntflags = 0;
	while ((ch = getopt(argc, argv, "o:")) != -1)
		switch (ch) {
		case 'o':
			getmntopts(optarg, mopts, &mntflags, 0);
			break;
		case '?':
		default:
			usage();
		}
	argc -= optind;
	argv += optind;

	if (argc != 2)
		usage();

	error = getvfsbyname(fsname, &vfc);
	if (error && vfsisloadable(fsname)) {
		if(vfsload(fsname))
			err(EX_OSERR, "vfsload(%s)", fsname);
		endvfsent();
		error = getvfsbyname(fsname, &vfc);
	}
	if (error)
		errx(EX_OSERR, "%s filesystem not available", fsname);

	/* resolve the mountpoint with realpath(3) */
	checkpath(argv[1], mntpath);

	if (mount(vfc.vfc_name, mntpath, mntflags, NULL))
		err(EX_OSERR, NULL);
	exit(0);
}
コード例 #2
0
int
fuse_kext_check_version(void)
{
    int ret = 0;

    struct vfsconf vfc;
    ret = getvfsbyname(OSXFUSE_NAME, &vfc);
    if (ret) {
        // Kernel extension not loaded
        return ENOENT;
    }

    char version[32];
    size_t version_len = sizeof(version);
    ret = sysctlbyname(OSXFUSE_SYSCTL_VERSION_NUMBER, version, &version_len,
                       NULL, (size_t)0);
    if (ret) {
        // Kernel extension version not supported
        return EINVAL;
    }

    if (version_len != sizeof(OSXFUSE_VERSION)
        || strncmp(OSXFUSE_VERSION, version, version_len)) {
        // Kernel extension version not supported
        return EINVAL;
    }

    return ret;
}
コード例 #3
0
ファイル: mount_osxfuse.c プロジェクト: ThinAir/support
static int
check_kext_status(void)
{
    int    result = -1;
    char   version[MAXHOSTNAMELEN + 1] = { 0 };
    size_t version_len = MAXHOSTNAMELEN;
    size_t version_len_desired = 0;
    struct vfsconf vfc = { 0 };

    result = getvfsbyname(OSXFUSE_NAME, &vfc);
    if (result) { /* osxfuse is not already loaded */
        return ESRCH;
    }

    /* Some version of osxfuse is already loaded. Let's check it out */

    result = sysctlbyname(OSXFUSE_SYSCTL_VERSION_NUMBER, version,
                          &version_len, (void *)NULL, (size_t)0);
    if (result) {
        return result;
    }

    /* sysctlbyname() includes the trailing '\0' in version_len */
    version_len_desired = strlen(OSXFUSE_VERSION) + 1;

    if ((version_len != version_len_desired) ||
        strncmp(OSXFUSE_VERSION, version, version_len)) {
        return EINVAL;
    }

    /* What's currently loaded is good */

    return 0;
}
コード例 #4
0
ファイル: mount_hammer2.c プロジェクト: Gwenio/DragonFlyBSD
/*
 * Usage: mount_hammer2 [volume] [mtpt]
 */
int
main(int argc, char *argv[])
{
	struct hammer2_mount_info info;
	struct vfsconf vfc;
	char *mountpt;
	int error;
	int mount_flags;

	bzero(&info, sizeof(info));
	mount_flags = 0;

	if (argc < 3)
		exit(1);

	error = getvfsbyname("hammer2", &vfc);
	if (error) {
		fprintf(stderr, "hammer2 vfs not loaded\n");
		exit(1);
	}

	/*
	 * Connect to the cluster controller.  This handles both remote
	 * mounts and device cache/master/slave mounts.
	 *
	 * When doing remote mounts that are allowed to run in the background
	 * the mount program will fork, detach, print a message, and exit(0)
	 * the originator while retrying in the background.
	 */
	info.cluster_fd = cluster_connect(argv[1]);
	if (info.cluster_fd < 0) {
		fprintf(stderr,
			"hammer2_mount: cluster_connect(%s) failed\n",
			argv[1]);
		exit(1);
	}

	/*
	 * Try to mount it
	 */
	info.volume = argv[1];
	info.hflags = 0;
	mountpt = argv[2];

	error = mount(vfc.vfc_name, mountpt, mount_flags, &info);
	if (error) {
		perror("mount: ");
		exit(1);
	}

	/*
	 * XXX fork a backgrounded reconnector process to handle connection
	 *     failures. XXX
	 */

	return (0);
}
コード例 #5
0
ファイル: libzfs_util.c プロジェクト: roddi/mac-zfs
libzfs_handle_t *
libzfs_init(void)
{
	libzfs_handle_t *hdl;
#ifdef __APPLE__
	struct vfsconf vfc;
	struct stat sb;
	int loaded;

	/* Attempt to load zfs kext if its not already loaded. */
	if (getvfsbyname("zfs", &vfc) != 0) {
		int pick = 0;
		int i;
		
		/* Find all possible zfs kext versions. */
		getkextvers(kextpaths[0], &kextvers[0]);

		/* Pick the newest one. */
		for (i = 0; i < 1; ++i) {
			if (kextvers[i] > kextvers[pick])
				pick = i;
		}

		loaded = load_zfs_kext(kextpaths[pick]);

	} 
	
	/* Attempt to create "/etc/zfs" its not already there. */
	if (getuid() == 0 && stat("/etc/zfs", &sb)!= 0 &&  errno == ENOENT)
	{
		(void) mkdir("/etc/zfs", 0755);
	}
#endif

	if ((hdl = calloc(sizeof (libzfs_handle_t), 1)) == NULL) {
		return (NULL);
	}

	if ((hdl->libzfs_fd = open(ZFS_DEV, O_RDWR)) < 0) {
		free(hdl);
		return (NULL);
	}

#ifndef __APPLE__
	if ((hdl->libzfs_mnttab = fopen(MNTTAB, "r")) == NULL) {
		(void) close(hdl->libzfs_fd);
		free(hdl);
		return (NULL);
	}
#endif /*!__APPLE__*/

	hdl->libzfs_sharetab = fopen("/etc/dfs/sharetab", "r");

	zfs_prop_init();

	return (hdl);
}
コード例 #6
0
ファイル: umount.c プロジェクト: joshuabergeron/ClosedBSD
int
umountall(char **typelist)
{
	struct vfsconf vfc;
	struct fstab *fs;
	int rval;
	char *cp;
	static int firstcall = 1;

	if ((fs = getfsent()) != NULL)
		firstcall = 0;
	else if (firstcall)
		errx(1, "fstab reading failure");
	else
		return (0);
	do {
		/* Ignore the root. */
		if (strcmp(fs->fs_file, "/") == 0)
			continue;
		/*
		 * !!!
		 * Historic practice: ignore unknown FSTAB_* fields.
		 */
		if (strcmp(fs->fs_type, FSTAB_RW) &&
		    strcmp(fs->fs_type, FSTAB_RO) &&
		    strcmp(fs->fs_type, FSTAB_RQ))
			continue;
		/* If an unknown file system type, complain. */
		if (getvfsbyname(fs->fs_vfstype, &vfc) == -1) {
			warnx("%s: unknown mount type", fs->fs_vfstype);
			continue;
		}
		if (checkvfsname(fs->fs_vfstype, typelist))
			continue;

		/*
		 * We want to unmount the file systems in the reverse order
		 * that they were mounted.  So, we save off the file name
		 * in some allocated memory, and then call recursively.
		 */
		if ((cp = malloc((size_t)strlen(fs->fs_file) + 1)) == NULL)
			err(1, "malloc failed");
		(void)strcpy(cp, fs->fs_file);
		rval = umountall(typelist);
		rval = umountfs(cp, typelist) || rval;
		free(cp);
		return (rval);
	} while ((fs = getfsent()) != NULL);
	return (0);
}
コード例 #7
0
ファイル: lsvfs.c プロジェクト: OpenDarwin-CVS/SEDarwin
int
main(int argc, char *argv[])
{
	struct vfsconf vfc;
	int mib[4], max, x;
	size_t len;

	printf(HDRFMT, "Filesystem", "Refs", "Flags");
	fputs(DASHES, stdout);

	if (argc > 1) {
		for (x = 1; x < argc; x++)
			if (getvfsbyname(argv[x], &vfc) == 0)
				printf(FMT, vfc.vfc_name, vfc.vfc_refcount,
				    fmt_flags(vfc.vfc_flags));
			else
				warnx("VFS %s unknown or not loaded", argv[x]);
	} else {
		mib[0] = CTL_VFS;
		mib[1] = VFS_GENERIC;
		mib[2] = VFS_MAXTYPENUM;
		len  = sizeof(int);
		if (sysctl(mib, 3, &max, &len, NULL, 0) != 0)
			errx(1, "sysctl");
		mib[2] = VFS_CONF;

		len = sizeof(vfc);
		for (x = 0; x < max; x++) {
			mib[3] = x;
			if (sysctl(mib, 4, &vfc, &len, NULL, 0) != 0) {
				if (errno != ENOTSUP)
					errx(1, "sysctl");
			} else {
				printf(FMT, vfc.vfc_name, vfc.vfc_refcount,
				    fmt_flags(vfc.vfc_flags));
			}
		}
	}

	return 0;
}
コード例 #8
0
int
main(int argc, char **argv)
{
  int cnt, rv = 0, i; 
  struct xvfsconf vfc, *xvfsp;
  size_t buflen;
  argc--, argv++;

  printf(HDRFMT, "Filesystem", "Refs", "Flags");
  fputs(DASHES, stdout);

  if(argc) {
    for(; argc; argc--, argv++) {
      if (getvfsbyname(*argv, &vfc) == 0) {
        printf(FMT, vfc.vfc_name, vfc.vfc_refcount, fmt_flags(vfc.vfc_flags));
      } else {
	warnx("VFS %s unknown or not loaded", *argv);
        rv++;
      }
    }
  } else {
    if (sysctlbyname("vfs.conflist", NULL, &buflen, NULL, 0) < 0)
      err(1, "sysctl(vfs.conflist)");
    xvfsp = malloc(buflen);
    if (xvfsp == NULL)
      errx(1, "malloc failed");
    if (sysctlbyname("vfs.conflist", xvfsp, &buflen, NULL, 0) < 0)
      err(1, "sysctl(vfs.conflist)");
    cnt = buflen / sizeof(struct xvfsconf);

    for (i = 0; i < cnt; i++) {
      printf(FMT, xvfsp[i].vfc_name, xvfsp[i].vfc_refcount,
             fmt_flags(xvfsp[i].vfc_flags));
    }
    free(xvfsp);
  }

  return rv;
}
コード例 #9
0
/*
 * Read the nfs stats using sysctl(3) for live kernels, or kvm_read
 * for dead ones.
 */
void
readstats(struct nfsstats *stp)
{
	if(deadkernel) {
		if(kvm_read(kd, (u_long)nl[N_NFSSTAT].n_value, stp,
			    sizeof *stp) < 0) {
			err(1, "kvm_read");
		}
	} else {
		int name[3];
		size_t buflen = sizeof *stp;
		struct vfsconf vfc;

		if (getvfsbyname("nfs", &vfc) < 0)
			err(1, "getvfsbyname: NFS not compiled into kernel");
		name[0] = CTL_VFS;
		name[1] = vfc.vfc_typenum;
		name[2] = NFS_NFSSTATS;
		if (sysctl(name, 3, stp, &buflen, NULL, (size_t)0) < 0) {
			err(1, "sysctl");
		}
	}
}
コード例 #10
0
ファイル: zoink.c プロジェクト: GuangmingZang/maczfs
int
main(void)
{
	zfs_footprint_stats_t *footprint;
	size_t buflen = 8192;
	struct vfsconf vfc;
	int name[3];
	int i;

	if (getvfsbyname("zfs", &vfc) < 0)
		errx(1, "ZFS not loaded into kernel");

	footprint = (zfs_footprint_stats_t *) malloc(buflen);

	name[0] = CTL_VFS;
	name[1] = vfc.vfc_typenum;
	name[2] = ZFS_SYSCTL_FOOTPRINT;
	if (sysctl(name, 3, footprint, &buflen, (void *)0, (size_t)0) < 0)
		err(1, "sysctl");

	if (footprint->version != ZFS_FOOTPRINT_VERSION)
		errx(1, "ZFS footprint sysctl version mismatch");

	(void) initscr();

	while (1) {
		kmem_cache_total = kmem_cache_inuse = 0;
		row = 0;
	
		name[0] = CTL_VFS;
		name[1] = vfc.vfc_typenum;
		name[2] = ZFS_SYSCTL_FOOTPRINT;
		if (sysctl(name, 3, footprint, &buflen, (void *)0, (size_t)0) < 0)
			err(1, "sysctl");

		clear();
		print_memory_info("ZFS footprint", &footprint->memory_stats);
		print_memory_info("ARC footprint", &footprint->arc_stats);
		row++;

		sprintf(linebuf, "%3d threads", footprint->thread_count);
		mvaddstr(0, 65, linebuf);
	
		sprintf(linebuf, "%9s %9s %9s %9s %9s %8s", "obj", "slab", "active", "total", "peak", "total");
		mvaddstr(row++, 18, linebuf);

		sprintf(linebuf, " kmem_cache name");
		mvaddstr(row, 0, linebuf);

		sprintf(linebuf, "%9s %9s %9s %9s %9s %8s", "size", "size", "objs", "objs", "objs", "mem");
		mvaddstr(row++, 18, linebuf);

		sprintf(linebuf, "-----------------------------------------------------------------------------");
		mvaddstr(row++, 0, linebuf);

		for (i = 0; i < footprint->caches_count; ++i) {
			print_cache_info(&footprint->cache_stats[i]);
		}
	
		sprintf(linebuf, "-----------------------------------------------------------------------------");
		mvaddstr(row++, 0, linebuf);

		sprintf(linebuf, " kmem_cache total:                      %6dM   %6dM",
			kmem_cache_inuse / ONEMEGABYTE, kmem_cache_total / ONEMEGABYTE);
		mvaddstr(row++, 0, linebuf);

		move(row, 0);

	//	clrtobot();
		refresh();
		sleep(1);
	}
	endwin();

	exit(0);
}
コード例 #11
0
ファイル: libzfs_util.c プロジェクト: GuangmingZang/maczfs
libzfs_handle_t *
libzfs_init(void)
{
    libzfs_handle_t *hdl;
#ifdef __APPLE__
    struct vfsconf vfc;
    struct stat sb;
    int loaded;

    /* Attempt to load zfs kext if its not already loaded. */
    if (getvfsbyname("zfs", &vfc) != 0) {
        int pick = 0;
        int i;

        /* Find all possible zfs kext versions. */
        getkextvers(kextpaths[0], &kextvers[0]);
        getkextvers(kextpaths[1], &kextvers[1]);

        /* Pick the newest one. */
        for (i = 0; i < 2; ++i) {
            if (kextvers[i] > kextvers[pick])
                pick = i;
        }

        loaded = load_zfs_kext(kextpaths[pick]);
        ASSERT(loaded == 0);
    }
    /* Attempt to create "/etc/zfs" its not already there. */
    if (getuid() == 0 && stat("/etc/zfs", &sb)!= 0 &&  errno == ENOENT)
    {
        (void) mkdir("/etc/zfs", 0755);
    }
#endif

    if ((hdl = calloc(sizeof (libzfs_handle_t), 1)) == NULL) {
        return (NULL);
    }

    if ((hdl->libzfs_fd = open(ZFS_DEV, O_RDWR)) < 0) {
        free(hdl);
        return (NULL);
    } else {
        /* Perform special version ceck ioctl() to unlock user-kernel
         * interface.  This serves as protection against using userland
         * tools of one implementation against kernel land of another
         * implementation.
         */
        zfs_cmd_t vers_zc = {0};
        strncpy(vers_zc.zc_name, __STRING(MACZFS_ID), sizeof(vers_zc.zc_name)-1);
        vers_zc.zc_value[0] = ZFS_IOC_NUM(ZFS_IOC__LAST_USED);
        vers_zc.zc_value[1] = MACZFS_VERS_MAJOR;
        vers_zc.zc_value[2] = MACZFS_VERS_MINOR;
        vers_zc.zc_value[3] = MACZFS_VERS_PATCH;
        hdl->libzfs_log_str = NULL;
        if (zfs_ioctl(hdl, ZFS_IOC__VERSION_CHECK, &vers_zc) != 0) {
            /* kernel - user version mismatch or kernel side not ready. */
            free(hdl);
            return (NULL);
        }
    }

#ifndef __APPLE__
    if ((hdl->libzfs_mnttab = fopen(MNTTAB, "r")) == NULL) {
        (void) close(hdl->libzfs_fd);
        free(hdl);
        return (NULL);
    }
#endif /*!__APPLE__*/

    hdl->libzfs_sharetab = fopen("/etc/dfs/sharetab", "r");

    zfs_prop_init();

    return (hdl);
}
コード例 #12
0
ファイル: mount_portal.c プロジェクト: Gwenio/DragonFlyBSD
int
main(int argc, char **argv)
{
	struct portal_args args;
	struct sockaddr_un un;
	char *conf;
	char mountpt[MAXPATHLEN];
	int mntflags = 0;
	char tag[32];
	struct vfsconf vfc;
	mode_t um;

	qelem q;
	int rc;
	int so;
	int error = 0;

	/*
	 * Crack command line args
	 */
	int ch;

	while ((ch = getopt(argc, argv, "o:")) != -1) {
		switch (ch) {
		case 'o':
			getmntopts(optarg, mopts, &mntflags, 0);
			break;
		default:
			error = 1;
			break;
		}
	}

	if (optind != (argc - 2))
		error = 1;

	if (error)
		usage();

	/*
	 * Get config file and mount point
	 */
	conf = argv[optind];

	/* resolve the mountpoint with realpath(3) */
	checkpath(argv[optind+1], mountpt);

	/*
	 * Construct the listening socket
	 */
	un.sun_family = AF_UNIX;
	if (sizeof(_PATH_TMPPORTAL) >= sizeof(un.sun_path)) {
		errx(EX_SOFTWARE, "portal socket name too long");
	}
	strcpy(un.sun_path, _PATH_TMPPORTAL);
	mktemp(un.sun_path);
	un.sun_len = strlen(un.sun_path);

	so = socket(AF_UNIX, SOCK_STREAM, 0);
	if (so < 0) {
		err(EX_OSERR, "socket");
	}
	um = umask(077);
	unlink(un.sun_path);
	if (bind(so, (struct sockaddr *) &un, sizeof(un)) < 0)
		err(1, NULL);

	unlink(un.sun_path);
	umask(um);

	listen(so, 5);

	args.pa_socket = so;
	sprintf(tag, "portal:%d", getpid());
	args.pa_config = tag;

	error = getvfsbyname("portal", &vfc);
	if (error && vfsisloadable("portal")) {
		if (vfsload("portal"))
			err(EX_OSERR, "vfsload(portal)");
		endvfsent();
		error = getvfsbyname("portal", &vfc);
	}
	if (error)
		errx(EX_OSERR, "portal filesystem is not available");

	rc = mount(vfc.vfc_name, mountpt, mntflags, &args);
	if (rc < 0)
		err(1, NULL);

	/*
	 * Everything is ready to go - now is a good time to fork
	 */
#ifndef DEBUG
	daemon(0, 0);
#endif

	/*
	 * Start logging (and change name)
	 */
	openlog("portald", LOG_CONS|LOG_PID, LOG_DAEMON);

	q.q_forw = q.q_back = &q;
	readcf = 1;

	signal(SIGCHLD, sigchld);
	signal(SIGHUP, sighup);

	/*
	 * Just loop waiting for new connections and activating them
	 */
	for (;;) {
		struct sockaddr_un un2;
		int len2 = sizeof(un2);
		int so2;
		pid_t pid;
		fd_set fdset;

		/*
		 * Check whether we need to re-read the configuration file
		 */
		if (readcf) {
#ifdef DEBUG
			printf ("re-reading configuration file\n");
#endif
			readcf = 0;
			conf_read(&q, conf);
			continue;
		}

		/*
		 * Accept a new connection
		 * Will get EINTR if a signal has arrived, so just
		 * ignore that error code
		 */
		FD_ZERO(&fdset);
		FD_SET(so, &fdset);
		rc = select(so+1, &fdset, NULL, NULL, NULL);
		if (rc < 0) {
			if (errno == EINTR)
				continue;
			syslog(LOG_ERR, "select: %s", strerror(errno));
			exit(EX_OSERR);
		}
		if (rc == 0)
			break;
		so2 = accept(so, (struct sockaddr *) &un2, &len2);
		if (so2 < 0) {
			/*
			 * The unmount function does a shutdown on the socket
			 * which will generated ECONNABORTED on the accept.
			 */
			if (errno == ECONNABORTED)
				break;
			if (errno != EINTR) {
				syslog(LOG_ERR, "accept: %s", strerror(errno));
				exit(EX_OSERR);
			}
			continue;
		}

		/*
		 * Now fork a new child to deal with the connection
		 */
	eagain:;
		switch (pid = fork()) {
		case -1:
			if (errno == EAGAIN) {
				sleep(1);
				goto eagain;
			}
			syslog(LOG_ERR, "fork: %s", strerror(errno));
			break;
		case 0:
			close(so);
			activate(&q, so2);
			exit(0);
		default:
			close(so2);
			break;
		}
	}
	syslog(LOG_INFO, "%s unmounted", mountpt);
	exit(0);
}
コード例 #13
0
ファイル: mount_hammer.c プロジェクト: Gwenio/DragonFlyBSD
int
main(int ac, char **av)
{
	struct hammer_mount_info info;
	struct vfsconf vfc;
	struct hammer_volume_ondisk *od;
	int mount_flags = 0;
	int error;
	int ch;
	int init_flags = 0;
	int ax;
	int fd;
	int pr;
	int fdevs_size;
	char *mountpt;
	char *ptr;
	char *fdevs;


	bzero(&info, sizeof(info));
	info.asof = 0;
	mount_flags = 0;
	info.hflags = 0;

	while ((ch = getopt(ac, av, "o:T:u")) != -1) {
		switch(ch) {
		case 'T':
			info.asof = strtoull(optarg, NULL, 0);
			break;
		case 'o':
			getmntopts(optarg, mopts, &mount_flags, &info.hflags);


			/*
			 * Handle extended flags with parameters.
			 */
			if (info.hflags & HMNT_MASTERID) {
				ptr = strstr(optarg, "master=");
				if (ptr) {
					info.master_id = strtol(ptr + 7, NULL, 0);
					if (info.master_id == 0) {
						fprintf(stderr,
	"hammer_mount: Warning: a master id of 0 is the default, explicit\n"
	"settings should probably use 1-15\n");
					}
				}
				ptr = strstr(optarg, "nomirror");
				if (ptr)
					info.master_id = -1;
			}
			break;
		case 'u':
			init_flags |= MNT_UPDATE;
			break;
		default:
			usage();
			/* not reached */
		}
	}
	ac -= optind;
	av += optind;
	mount_flags |= init_flags;

	/*
	 * Only the mount point need be specified in update mode.
	 */
	if (init_flags & MNT_UPDATE) {
		if (ac != 1) {
			usage();
			/* not reached */
		}
		mountpt = av[0];
		if (mount(vfc.vfc_name, mountpt, mount_flags, &info))
			err(1, "mountpoint %s", mountpt);
		exit(0);
	}

	if (ac < 2) {
		usage();
		/* not reached */
	}

	/*
	 * Mount arguments: vol [vol...] mountpt
	 */
	extract_volumes(&info.volumes, &info.nvolumes, av, ac - 1);
	mountpt = av[ac - 1];

	/*
	 * Load the hammer module if necessary (this bit stolen from
	 * mount_null).
	 */
	error = getvfsbyname("hammer", &vfc);
	if (error && vfsisloadable("hammer")) {
		if (vfsload("hammer") != 0)
			err(1, "vfsload(hammer)");
		endvfsent();
		error = getvfsbyname("hammer", &vfc);
	}
	if (error)
		errx(1, "hammer filesystem is not available");

	if (mount(vfc.vfc_name, mountpt, mount_flags, &info)) {
		/* Build fdevs in case of error to report failed devices */
		fdevs_size = ac * PATH_MAX;
		fdevs = malloc(fdevs_size);
		for (ax = 0; ax < ac - 1; ax++) {
			fd = open(info.volumes[ax], O_RDONLY);
			if (fd < 0 ) {
				printf ("%s: open failed\n", info.volumes[ax]);
				strlcat(fdevs, info.volumes[ax], fdevs_size);
				if (ax < ac - 2)
					strlcat(fdevs, " ", fdevs_size);
				continue;
			}

			od = malloc(HAMMER_BUFSIZE);
			if (od == NULL) {
				close (fd);
				perror("malloc");
				continue;
			}

			bzero(od, HAMMER_BUFSIZE);
			pr = pread(fd, od, HAMMER_BUFSIZE, 0);
			if (pr != HAMMER_BUFSIZE ||
				od->vol_signature != HAMMER_FSBUF_VOLUME) {
					printf("%s: Not a valid HAMMER filesystem\n", info.volumes[ax]);
					strlcat(fdevs, info.volumes[ax], fdevs_size);
					if (ax < ac - 2)
						strlcat(fdevs, " ", fdevs_size);
			}
			close(fd);
		}
		err(1,"mount %s on %s", fdevs, mountpt);
	}
	exit (0);
}
コード例 #14
0
ファイル: nfsiod.c プロジェクト: ele7enxxh/dtrace-pf
int
main(int argc, char *argv[])
{
	int ch;
	struct xvfsconf vfc;
	int error;
	unsigned int iodmin, iodmax, num_servers;
	size_t len;

	error = getvfsbyname("nfs", &vfc);
	if (error) {
		if (kldload("nfs") == -1)
			err(1, "kldload(nfs)");
		error = getvfsbyname("nfs", &vfc);
	}
	if (error)
		errx(1, "NFS support is not available in the running kernel");

	num_servers = 0;
	while ((ch = getopt(argc, argv, "n:")) != -1)
		switch (ch) {
		case 'n':
			num_servers = atoi(optarg);
			if (num_servers < 1) {
				warnx("nfsiod count %u; reset to %d",
				    num_servers, 1);
				num_servers = 1;
			}
			if (num_servers > MAXNFSDCNT) {
				warnx("nfsiod count %u; reset to %d",
				    num_servers, MAXNFSDCNT);
				num_servers = MAXNFSDCNT;
			}
			break;
		case '?':
		default:
			usage();
		}
	argc -= optind;
	argv += optind;

	if (argc > 0)
		usage();

	len = sizeof iodmin;
	error = sysctlbyname("vfs.nfs.iodmin", &iodmin, &len, NULL, 0);
	if (error < 0)
		err(1, "sysctlbyname(\"vfs.nfs.iodmin\")");
	len = sizeof iodmax;
	error = sysctlbyname("vfs.nfs.iodmax", &iodmax, &len, NULL, 0);
	if (error < 0)
		err(1, "sysctlbyname(\"vfs.nfs.iodmax\")");
	if (num_servers == 0) {		/* no change */
		printf("vfs.nfs.iodmin=%u\nvfs.nfs.iodmax=%u\n",
		    iodmin, iodmax);
		exit(0);
	}
	/* Catch the case where we're lowering num_servers below iodmin */
	if (iodmin > num_servers) {
		iodmin = num_servers;
		error = sysctlbyname("vfs.nfs.iodmin", NULL, 0, &iodmin,
		    sizeof iodmin);
		if (error < 0)
			err(1, "sysctlbyname(\"vfs.nfs.iodmin\")");
	}
	iodmax = num_servers;
	error = sysctlbyname("vfs.nfs.iodmax", NULL, 0, &iodmax, sizeof iodmax);
	if (error < 0)
		err(1, "sysctlbyname(\"vfs.nfs.iodmax\")");
	exit (0);
}
コード例 #15
0
ファイル: mount_smbfs.c プロジェクト: MattDooner/freebsd-west
int
main(int argc, char *argv[])
{
	struct iovec *iov;
	unsigned int iovlen;
	struct smb_ctx sctx, *ctx = &sctx;
	struct stat st;
#ifdef APPLE
	extern void dropsuid();
	extern int loadsmbvfs();
#else
	struct xvfsconf vfc;
#endif
	char *next, *p, *val;
	int opt, error, mntflags, caseopt, fd;
	uid_t uid;
	gid_t gid;
	mode_t dir_mode, file_mode;
	char errmsg[255] = { 0 };

	iov = NULL;
	iovlen = 0;
	fd = 0;
	uid = (uid_t)-1;
	gid = (gid_t)-1;
	caseopt = 0;
	file_mode = 0;
	dir_mode = 0;

#ifdef APPLE
	dropsuid();
#endif
	if (argc == 2) {
		if (strcmp(argv[1], "-h") == 0) {
			usage();
		}
	}
	if (argc < 3)
		usage();

#ifdef APPLE
	error = loadsmbvfs();
#else
	error = getvfsbyname(smbfs_vfsname, &vfc);
	if (error) {
		if (kldload(smbfs_vfsname) < 0)
			err(EX_OSERR, "kldload(%s)", smbfs_vfsname);
		error = getvfsbyname(smbfs_vfsname, &vfc);
	}
#endif
	if (error)
		errx(EX_OSERR, "SMB filesystem is not available");

	if (smb_lib_init() != 0)
		exit(1);

	mntflags = error = 0;

	caseopt = SMB_CS_NONE;

	if (smb_ctx_init(ctx, argc, argv, SMBL_SHARE, SMBL_SHARE, SMB_ST_DISK) != 0)
		exit(1);
	if (smb_ctx_readrc(ctx) != 0)
		exit(1);
	if (smb_rc)
		rc_close(smb_rc);

	while ((opt = getopt(argc, argv, STDPARAM_OPT"c:d:f:g:l:n:o:u:w:")) != -1) {
		switch (opt) {
		    case STDPARAM_ARGS:
			error = smb_ctx_opt(ctx, opt, optarg);
			if (error)
				exit(1);
			break;
		    case 'u': {
			struct passwd *pwd;

			pwd = isdigit(optarg[0]) ?
			    getpwuid(atoi(optarg)) : getpwnam(optarg);
			if (pwd == NULL)
				errx(EX_NOUSER, "unknown user '%s'", optarg);
			uid = pwd->pw_uid;
			break;
		    }
		    case 'g': {
			struct group *grp;

			grp = isdigit(optarg[0]) ?
			    getgrgid(atoi(optarg)) : getgrnam(optarg);
			if (grp == NULL)
				errx(EX_NOUSER, "unknown group '%s'", optarg);
			gid = grp->gr_gid;
			break;
		    }
		    case 'd':
			errno = 0;
			dir_mode = strtol(optarg, &next, 8);
			if (errno || *next != 0)
				errx(EX_DATAERR, "invalid value for directory mode");
			break;
		    case 'f':
			errno = 0;
			file_mode = strtol(optarg, &next, 8);
			if (errno || *next != 0)
				errx(EX_DATAERR, "invalid value for file mode");
			break;
		    case '?':
			usage();
			/*NOTREACHED*/
		    case 'n': {
			char *inp, *nsp;

			nsp = inp = optarg;
			while ((nsp = strsep(&inp, ",;:")) != NULL) {
				if (strcasecmp(nsp, "LONG") == 0) {
					build_iovec(&iov, &iovlen,
					    "nolong", NULL, 0);
				} else {
					errx(EX_DATAERR,
					    "unknown suboption '%s'", nsp);
				}
			}
			break;
		    };
		    case 'o':
			getmntopts(optarg, mopts, &mntflags, 0);
			p = strchr(optarg, '=');
			val = NULL;
			if (p != NULL) {
				*p = '\0';
				val = p + 1;
			}
			build_iovec(&iov, &iovlen, optarg, val, (size_t)-1);
			break;
		    case 'c':
			switch (optarg[0]) {
			    case 'l':
				caseopt |= SMB_CS_LOWER;
				break;
			    case 'u':
				caseopt |= SMB_CS_UPPER;
				break;
			    default:
		    		errx(EX_DATAERR, "invalid suboption '%c' for -c",
				    optarg[0]);
			}
			break;
		    default:
			usage();
		}
	}

	if (optind == argc - 2)
		optind++;
	
	if (optind != argc - 1)
		usage();
	realpath(argv[optind], mount_point);

	if (stat(mount_point, &st) == -1)
		err(EX_OSERR, "could not find mount point %s", mount_point);
	if (!S_ISDIR(st.st_mode)) {
		errno = ENOTDIR;
		err(EX_OSERR, "can't mount on %s", mount_point);
	}
/*
	if (smb_getextattr(mount_point, &einfo) == 0)
		errx(EX_OSERR, "can't mount on %s twice", mount_point);
*/
	if (uid == (uid_t)-1)
		uid = st.st_uid;
	if (gid == (gid_t)-1)
		gid = st.st_gid;
	if (file_mode == 0 )
		file_mode = st.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO);
	if (dir_mode == 0) {
		dir_mode = file_mode;
		if (dir_mode & S_IRUSR)
			dir_mode |= S_IXUSR;
		if (dir_mode & S_IRGRP)
			dir_mode |= S_IXGRP;
		if (dir_mode & S_IROTH)
			dir_mode |= S_IXOTH;
	}
	/*
	 * For now, let connection be private for this mount
	 */
	ctx->ct_ssn.ioc_opt |= SMBVOPT_PRIVATE;
	ctx->ct_ssn.ioc_owner = ctx->ct_sh.ioc_owner = 0; /* root */
	ctx->ct_ssn.ioc_group = ctx->ct_sh.ioc_group = gid;
	opt = 0;
	if (dir_mode & S_IXGRP)
		opt |= SMBM_EXECGRP;
	if (dir_mode & S_IXOTH)
		opt |= SMBM_EXECOTH;
	ctx->ct_ssn.ioc_rights |= opt;
	ctx->ct_sh.ioc_rights |= opt;
	error = smb_ctx_resolve(ctx);
	if (error)
		exit(1);
	error = smb_ctx_lookup(ctx, SMBL_SHARE, SMBLK_CREATE);
	if (error) {
		exit(1);
	}

	fd = ctx->ct_fd;

	build_iovec(&iov, &iovlen, "fstype", strdup("smbfs"), -1);
	build_iovec(&iov, &iovlen, "fspath", mount_point, -1);
	build_iovec_argf(&iov, &iovlen, "fd", "%d", fd);
	build_iovec(&iov, &iovlen, "mountpoint", mount_point, -1);
	build_iovec_argf(&iov, &iovlen, "uid", "%d", uid);
	build_iovec_argf(&iov, &iovlen, "gid", "%d", gid);
	build_iovec_argf(&iov, &iovlen, "file_mode", "%d", file_mode);
	build_iovec_argf(&iov, &iovlen, "dir_mode", "%d", dir_mode);
	build_iovec_argf(&iov, &iovlen, "caseopt", "%d", caseopt);
	build_iovec(&iov, &iovlen, "errmsg", errmsg, sizeof errmsg); 

	error = nmount(iov, iovlen, mntflags);
	smb_ctx_done(ctx);
	if (error) {
		smb_error("mount error: %s %s", error, mount_point, errmsg);
		exit(1);
	}
	return 0;
}
コード例 #16
0
ファイル: load_fusefs.c プロジェクト: acaciocenteno/macfuse
int
main(__unused int argc, __unused const char *argv[])
{
    pid_t  pid = -1;
    int    result = -1;
    int    status;
    char   version[MAXHOSTNAMELEN + 1] = { 0 };
    size_t version_len = MAXHOSTNAMELEN;
    size_t version_len_desired = 0;
    struct vfsconf vfc = { 0 };

    result = getvfsbyname(MACFUSE_FS_TYPE, &vfc);
    if (result) { /* MacFUSE is not already loaded */
        result = -1;
        goto need_loading;
    }

    /* some version of MacFUSE is already loaded; let us check it out */

    result = sysctlbyname(SYSCTL_MACFUSE_VERSION_NUMBER, version,
                          &version_len, NULL, (size_t)0);
    if (result) {
        if (errno == ENOENT) {
            /* too old; doesn't even have the sysctl variable */
            goto need_unloading;
        }
        result = -1;
        goto out;
    }

    /* sysctlbyname() includes the trailing '\0' in version_len */
    version_len_desired = strlen(MACFUSE_VERSION) + 1;

    if ((version_len == version_len_desired) &&
        !strncmp(MACFUSE_VERSION, version, version_len)) {
        /* what's currently loaded is good */
        result = 0;
        goto out;
    }

    /* mismatched version; need to unload what's loaded */

need_unloading:
    pid = fork();
    if (pid == 0) {
        result = execl(SYSTEM_KEXTUNLOAD, SYSTEM_KEXTUNLOAD, "-b",
                       MACFUSE_BUNDLE_IDENTIFIER, NULL);
        /* We can only get here if the exec failed */
        goto out;
    }

    if (pid == -1) {
        result = errno;
        goto out;
    }

    /* Success! */
    if ((waitpid(pid, &status, 0) == pid) && (WIFEXITED(status))) {
        result = status;
    } else {
        result = -1;
    }

    if (result != 0) {
        /* unloading failed */
        result = EBUSY;
        goto out;
    }

    /* unloading succeeded; now load the on-disk version */

need_loading:
    pid = fork();
    if (pid == 0) {
        result = execl(SYSTEM_KEXTLOAD, SYSTEM_KEXTLOAD, MACFUSE_KEXT, NULL);
        /* We can only get here if the exec failed */
        goto out;
    }
    
    if (pid == -1) {
        result = errno;
        goto out;
    }
    
    /* Success! */
    if ((waitpid(pid, &status, 0) == pid) && (WIFEXITED(status))) {
        result = status;
    } else {
        result = -1;
    }

    /* now do any kext-load-time settings we need to do as root */

    if (result == 0) {
        int admin_gid = 0;
        struct group *g = getgrnam(MACOSX_ADMIN_GROUP_NAME);
        if (!g) {
            goto out;
        }
        admin_gid = g->gr_gid;

        /* if this fails, we don't care */
        (void)sysctlbyname(SYSCTL_MACFUSE_TUNABLES_ADMIN, NULL, NULL,
                          &admin_gid, sizeof(admin_gid));
    }
    
out:
    _exit(result);
}
コード例 #17
0
ファイル: libzfs_util.c プロジェクト: shl/zfs-for-osx
libzfs_handle_t *
libzfs_init(void)
{
	libzfs_handle_t *hdl;
#ifdef __APPLE__
	struct vfsconf vfc;
	struct stat sb;
	int loaded;

	/* Attempt to load zfs kext if its not already loaded. */
	if (getvfsbyname("zfs", &vfc) != 0) {
		int pick = 0;
		int i;
		
		/* Find all possible zfs kext versions. */
		getkextvers(kextpaths[0], &kextvers[0]);
		getkextvers(kextpaths[1], &kextvers[1]);
		getkextvers(kextpaths[2], &kextvers[2]);

		/* Pick the newest one. */
		for (i = 0; i < 3; ++i) {
			if (kextvers[i] > kextvers[pick])
				pick = i;
		}

		loaded = load_zfs_kext(kextpaths[pick]);
		zfs_readonly_kext = (pick == 2);

		/* Make sure user knows they have loaded the readonly kext */
		if(zfs_readonly_kext && (loaded != -1))
		    (void) fprintf(stderr, gettext("ZFS Readonly implemntation "
				"is loaded!\nTo download the full ZFS "
				"read/write kext with all functionality "
				"enabled, please go to "
				"http://developer.apple.com\n"));

	} else {
		zfs_readonly_kext = is_readonly_kext(vfc.vfc_typenum);
	}
	/* Attempt to create "/etc/zfs" its not already there. */
	if (getuid() == 0 && stat("/etc/zfs", &sb)!= 0 &&  errno == ENOENT)
	{
		(void) mkdir("/etc/zfs", 0755);
	}
#endif

	if ((hdl = calloc(sizeof (libzfs_handle_t), 1)) == NULL) {
		return (NULL);
	}

	if ((hdl->libzfs_fd = open(ZFS_DEV, O_RDWR)) < 0) {
		free(hdl);
		return (NULL);
	}

#ifndef __APPLE__
	if ((hdl->libzfs_mnttab = fopen(MNTTAB, "r")) == NULL) {
		(void) close(hdl->libzfs_fd);
		free(hdl);
		return (NULL);
	}
#endif /*!__APPLE__*/

	hdl->libzfs_sharetab = fopen("/etc/dfs/sharetab", "r");

	zfs_prop_init();

	/* Make sure the user knows they have loaded the Read Only kext */
	return (hdl);
}
コード例 #18
0
/*
 * Nfs server daemon mostly just a user context for nfssvc()
 *
 * 1 - do file descriptor and signal cleanup
 * 2 - fork the nfsd(s)
 * 3 - create server socket(s)
 * 4 - register socket with rpcbind
 *
 * For connectionless protocols, just pass the socket into the kernel via.
 * nfssvc().
 * For connection based sockets, loop doing accepts. When you get a new
 * socket from accept, pass the msgsock into the kernel via. nfssvc().
 * The arguments are:
 *	-r - reregister with rpcbind
 *	-d - unregister with rpcbind
 *	-t - support tcp nfs clients
 *	-u - support udp nfs clients
 * followed by "n" which is the number of nfsds' to fork off
 */
int
main(int argc, char **argv)
{
	struct nfsd_args nfsdargs;
	struct addrinfo *ai_udp, *ai_tcp, *ai_udp6, *ai_tcp6, hints;
	struct netconfig *nconf_udp, *nconf_tcp, *nconf_udp6, *nconf_tcp6;
	struct netbuf nb_udp, nb_tcp, nb_udp6, nb_tcp6;
	struct sockaddr_in inetpeer;
	struct sockaddr_in6 inet6peer;
	fd_set ready, sockbits;
	fd_set v4bits, v6bits;
	int ch, connect_type_cnt, i, maxsock, msgsock;
	socklen_t len;
	int on = 1, unregister, reregister, sock;
	int tcp6sock, ip6flag, tcpflag, tcpsock;
	int udpflag, ecode, s, srvcnt;
	int bindhostc, bindanyflag, rpcbreg, rpcbregcnt;
	char **bindhost = NULL;
	pid_t pid;
	struct vfsconf vfc;
	int error;

	error = getvfsbyname("nfs", &vfc);
	if (error && vfsisloadable("nfs")) {
		if (vfsload("nfs"))
			err(1, "vfsload(nfs)");
		endvfsent();	/* flush cache */
		error = getvfsbyname("nfs", &vfc);
	}
	if (error)
		errx(1, "NFS is not available in the running kernel");

	nfsdcnt = DEFNFSDCNT;
	unregister = reregister = tcpflag = maxsock = 0;
	bindanyflag = udpflag = connect_type_cnt = bindhostc = 0;
#define	GETOPT	"ah:n:rdtu"
#define	USAGE	"[-ardtu] [-n num_servers] [-h bindip]"
	while ((ch = getopt(argc, argv, GETOPT)) != -1)
		switch (ch) {
		case 'a':
			bindanyflag = 1;
			break;
		case 'n':
			nfsdcnt = atoi(optarg);
			if (nfsdcnt < 1 || nfsdcnt > MAXNFSDCNT) {
				warnx("nfsd count %d; reset to %d", nfsdcnt,
				    DEFNFSDCNT);
				nfsdcnt = DEFNFSDCNT;
			}
			break;
		case 'h':
			bindhostc++;
			bindhost = realloc(bindhost,sizeof(char *)*bindhostc);
			if (bindhost == NULL)
				errx(1, "Out of memory");
			bindhost[bindhostc-1] = strdup(optarg);
			if (bindhost[bindhostc-1] == NULL)
				errx(1, "Out of memory");
			break;
		case 'r':
			reregister = 1;
			break;
		case 'd':
			unregister = 1;
			break;
		case 't':
			tcpflag = 1;
			break;
		case 'u':
			udpflag = 1;
			break;
		default:
		case '?':
			usage();
		};
	if (!tcpflag && !udpflag)
		udpflag = 1;
	argv += optind;
	argc -= optind;

	/*
	 * XXX
	 * Backward compatibility, trailing number is the count of daemons.
	 */
	if (argc > 1)
		usage();
	if (argc == 1) {
		nfsdcnt = atoi(argv[0]);
		if (nfsdcnt < 1 || nfsdcnt > MAXNFSDCNT) {
			warnx("nfsd count %d; reset to %d", nfsdcnt,
			    DEFNFSDCNT);
			nfsdcnt = DEFNFSDCNT;
		}
	}

	ip6flag = 1;
	s = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP);
	if (s == -1) {
		if (errno != EPROTONOSUPPORT)
			err(1, "socket");
		ip6flag = 0;
	} else if (getnetconfigent("udp6") == NULL ||
		getnetconfigent("tcp6") == NULL) {
		ip6flag = 0;
	}
	if (s != -1)
		close(s);

	if (bindhostc == 0 || bindanyflag) {
		bindhostc++;
		bindhost = realloc(bindhost,sizeof(char *)*bindhostc);
		if (bindhost == NULL)
			errx(1, "Out of memory");
		bindhost[bindhostc-1] = strdup("*");
		if (bindhost[bindhostc-1] == NULL)
			errx(1, "Out of memory");
	}

	if (unregister) {
		unregistration();
		exit (0);
	}
	if (reregister) {
		if (udpflag) {
			memset(&hints, 0, sizeof hints);
			hints.ai_flags = AI_PASSIVE;
			hints.ai_family = AF_INET;
			hints.ai_socktype = SOCK_DGRAM;
			hints.ai_protocol = IPPROTO_UDP;
			ecode = getaddrinfo(NULL, "nfs", &hints, &ai_udp);
			if (ecode != 0)
				err(1, "getaddrinfo udp: %s", gai_strerror(ecode));
			nconf_udp = getnetconfigent("udp");
			if (nconf_udp == NULL)
				err(1, "getnetconfigent udp failed");
			nb_udp.buf = ai_udp->ai_addr;
			nb_udp.len = nb_udp.maxlen = ai_udp->ai_addrlen;
			if ((!rpcb_set(RPCPROG_NFS, 2, nconf_udp, &nb_udp)) ||
			    (!rpcb_set(RPCPROG_NFS, 3, nconf_udp, &nb_udp)))
				err(1, "rpcb_set udp failed");
			freeaddrinfo(ai_udp);
		}
		if (udpflag && ip6flag) {
			memset(&hints, 0, sizeof hints);
			hints.ai_flags = AI_PASSIVE;
			hints.ai_family = AF_INET6;
			hints.ai_socktype = SOCK_DGRAM;
			hints.ai_protocol = IPPROTO_UDP;
			ecode = getaddrinfo(NULL, "nfs", &hints, &ai_udp6);
			if (ecode != 0)
				err(1, "getaddrinfo udp6: %s", gai_strerror(ecode));
			nconf_udp6 = getnetconfigent("udp6");
			if (nconf_udp6 == NULL)
				err(1, "getnetconfigent udp6 failed");
			nb_udp6.buf = ai_udp6->ai_addr;
			nb_udp6.len = nb_udp6.maxlen = ai_udp6->ai_addrlen;
			if ((!rpcb_set(RPCPROG_NFS, 2, nconf_udp6, &nb_udp6)) ||
			    (!rpcb_set(RPCPROG_NFS, 3, nconf_udp6, &nb_udp6)))
				err(1, "rpcb_set udp6 failed");
			freeaddrinfo(ai_udp6);
		}
		if (tcpflag) {
			memset(&hints, 0, sizeof hints);
			hints.ai_flags = AI_PASSIVE;
			hints.ai_family = AF_INET;
			hints.ai_socktype = SOCK_STREAM;
			hints.ai_protocol = IPPROTO_TCP;
			ecode = getaddrinfo(NULL, "nfs", &hints, &ai_tcp);
			if (ecode != 0)
				err(1, "getaddrinfo tcp: %s", gai_strerror(ecode));
			nconf_tcp = getnetconfigent("tcp");
			if (nconf_tcp == NULL)
				err(1, "getnetconfigent tcp failed");
			nb_tcp.buf = ai_tcp->ai_addr;
			nb_tcp.len = nb_tcp.maxlen = ai_tcp->ai_addrlen;
			if ((!rpcb_set(RPCPROG_NFS, 2, nconf_tcp, &nb_tcp)) ||
			    (!rpcb_set(RPCPROG_NFS, 3, nconf_tcp, &nb_tcp)))
				err(1, "rpcb_set tcp failed");
			freeaddrinfo(ai_tcp);
		}
		if (tcpflag && ip6flag) {
			memset(&hints, 0, sizeof hints);
			hints.ai_flags = AI_PASSIVE;
			hints.ai_family = AF_INET6;
			hints.ai_socktype = SOCK_STREAM;
			hints.ai_protocol = IPPROTO_TCP;
			ecode = getaddrinfo(NULL, "nfs", &hints, &ai_tcp6);
			if (ecode != 0)
				err(1, "getaddrinfo tcp6: %s", gai_strerror(ecode));
			nconf_tcp6 = getnetconfigent("tcp6");
			if (nconf_tcp6 == NULL)
				err(1, "getnetconfigent tcp6 failed");
			nb_tcp6.buf = ai_tcp6->ai_addr;
			nb_tcp6.len = nb_tcp6.maxlen = ai_tcp6->ai_addrlen;
			if ((!rpcb_set(RPCPROG_NFS, 2, nconf_tcp6, &nb_tcp6)) ||
			    (!rpcb_set(RPCPROG_NFS, 3, nconf_tcp6, &nb_tcp6)))
				err(1, "rpcb_set tcp6 failed");
			freeaddrinfo(ai_tcp6);
		}
		exit (0);
	}
	if (debug == 0) {
		daemon(0, 0);
		signal(SIGHUP, SIG_IGN);
		signal(SIGINT, SIG_IGN);
		/*
		 * nfsd sits in the kernel most of the time.  It needs
		 * to ignore SIGTERM/SIGQUIT in order to stay alive as long
		 * as possible during a shutdown, otherwise loopback
		 * mounts will not be able to unmount.
		 */
		signal(SIGTERM, SIG_IGN);
		signal(SIGQUIT, SIG_IGN);
	}
	signal(SIGSYS, nonfs);
	signal(SIGCHLD, reapchild);

	openlog("nfsd", LOG_PID, LOG_DAEMON);

	/* If we use UDP only, we start the last server below. */
	srvcnt = tcpflag ? nfsdcnt : nfsdcnt - 1;
	for (i = 0; i < srvcnt; i++) {
		switch ((pid = fork())) {
		case -1:
			syslog(LOG_ERR, "fork: %m");
			nfsd_exit(1);
		case 0:
			break;
		default:
			children[i] = pid;
			continue;
		}
		signal(SIGUSR1, child_cleanup);
		setproctitle("server");

		start_server(0);
	}

	signal(SIGUSR1, cleanup);
	FD_ZERO(&v4bits);
	FD_ZERO(&v6bits);
	FD_ZERO(&sockbits);

	rpcbregcnt = 0;
	/* Set up the socket for udp and rpcb register it. */
	if (udpflag) {
		rpcbreg = 0;
		for (i = 0; i < bindhostc; i++) {
			memset(&hints, 0, sizeof hints);
			hints.ai_flags = AI_PASSIVE;
			hints.ai_family = AF_INET;
			hints.ai_socktype = SOCK_DGRAM;
			hints.ai_protocol = IPPROTO_UDP;
			if (setbindhost(&ai_udp, bindhost[i], hints) == 0) {
				rpcbreg = 1;
				rpcbregcnt++;
				if ((sock = socket(ai_udp->ai_family,
				    ai_udp->ai_socktype,
				    ai_udp->ai_protocol)) < 0) {
					syslog(LOG_ERR,
					    "can't create udp socket");
					nfsd_exit(1);
				}
				if (bind(sock, ai_udp->ai_addr,
				    ai_udp->ai_addrlen) < 0) {
					syslog(LOG_ERR,
					    "can't bind udp addr %s: %m",
					    bindhost[i]);
					nfsd_exit(1);
				}
				freeaddrinfo(ai_udp);
				nfsdargs.sock = sock;
				nfsdargs.name = NULL;
				nfsdargs.namelen = 0;
				if (nfssvc(NFSSVC_ADDSOCK, &nfsdargs) < 0) {
					syslog(LOG_ERR, "can't Add UDP socket");
					nfsd_exit(1);
				}
				close(sock);
			}
		}
		if (rpcbreg == 1) {
			memset(&hints, 0, sizeof hints);
			hints.ai_flags = AI_PASSIVE;
			hints.ai_family = AF_INET;
			hints.ai_socktype = SOCK_DGRAM;
			hints.ai_protocol = IPPROTO_UDP;
			ecode = getaddrinfo(NULL, "nfs", &hints, &ai_udp);
			if (ecode != 0) {
				syslog(LOG_ERR, "getaddrinfo udp: %s",
				   gai_strerror(ecode));
				nfsd_exit(1);
			}
			nconf_udp = getnetconfigent("udp");
			if (nconf_udp == NULL)
				err(1, "getnetconfigent udp failed");
			nb_udp.buf = ai_udp->ai_addr;
			nb_udp.len = nb_udp.maxlen = ai_udp->ai_addrlen;
			if ((!rpcb_set(RPCPROG_NFS, 2, nconf_udp, &nb_udp)) ||
			    (!rpcb_set(RPCPROG_NFS, 3, nconf_udp, &nb_udp)))
				err(1, "rpcb_set udp failed");
			freeaddrinfo(ai_udp);
		}
	}

	/* Set up the socket for udp6 and rpcb register it. */
	if (udpflag && ip6flag) {
		rpcbreg = 0;
		for (i = 0; i < bindhostc; i++) {
			memset(&hints, 0, sizeof hints);
			hints.ai_flags = AI_PASSIVE;
			hints.ai_family = AF_INET6;
			hints.ai_socktype = SOCK_DGRAM;
			hints.ai_protocol = IPPROTO_UDP;
			if (setbindhost(&ai_udp6, bindhost[i], hints) == 0) {
				rpcbreg = 1;
				rpcbregcnt++;
				if ((sock = socket(ai_udp6->ai_family,
				    ai_udp6->ai_socktype,
				    ai_udp6->ai_protocol)) < 0) {
					syslog(LOG_ERR,
						"can't create udp6 socket");
					nfsd_exit(1);
				}
				if (setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY,
				    &on, sizeof on) < 0) {
					syslog(LOG_ERR,
					    "can't set v6-only binding for "
					    "udp6 socket: %m");
					nfsd_exit(1);
				}
				if (bind(sock, ai_udp6->ai_addr,
				    ai_udp6->ai_addrlen) < 0) {
					syslog(LOG_ERR,
					    "can't bind udp6 addr %s: %m",
					    bindhost[i]);
					nfsd_exit(1);
				}
				freeaddrinfo(ai_udp6);
				nfsdargs.sock = sock;
				nfsdargs.name = NULL;
				nfsdargs.namelen = 0;
				if (nfssvc(NFSSVC_ADDSOCK, &nfsdargs) < 0) {
					syslog(LOG_ERR,
					    "can't add UDP6 socket");
					nfsd_exit(1);
				}
				close(sock);
			}
		}
		if (rpcbreg == 1) {
			memset(&hints, 0, sizeof hints);
			hints.ai_flags = AI_PASSIVE;
			hints.ai_family = AF_INET6;
			hints.ai_socktype = SOCK_DGRAM;
			hints.ai_protocol = IPPROTO_UDP;
			ecode = getaddrinfo(NULL, "nfs", &hints, &ai_udp6);
			if (ecode != 0) {
				syslog(LOG_ERR, "getaddrinfo udp6: %s",
				   gai_strerror(ecode));
				nfsd_exit(1);
			}
			nconf_udp6 = getnetconfigent("udp6");
			if (nconf_udp6 == NULL)
				err(1, "getnetconfigent udp6 failed");
			nb_udp6.buf = ai_udp6->ai_addr;
			nb_udp6.len = nb_udp6.maxlen = ai_udp6->ai_addrlen;
			if ((!rpcb_set(RPCPROG_NFS, 2, nconf_udp6, &nb_udp6)) ||
			    (!rpcb_set(RPCPROG_NFS, 3, nconf_udp6, &nb_udp6)))
				err(1, "rpcb_set udp6 failed");
			freeaddrinfo(ai_udp6);
		}
	}

	/* Set up the socket for tcp and rpcb register it. */
	if (tcpflag) {
		rpcbreg = 0;
		for (i = 0; i < bindhostc; i++) {
			memset(&hints, 0, sizeof hints);
			hints.ai_flags = AI_PASSIVE;
			hints.ai_family = AF_INET;
			hints.ai_socktype = SOCK_STREAM;
			hints.ai_protocol = IPPROTO_TCP;
			if (setbindhost(&ai_tcp, bindhost[i], hints) == 0) {
				rpcbreg = 1;
				rpcbregcnt++;
				if ((tcpsock = socket(AF_INET, SOCK_STREAM,
				    0)) < 0) {
					syslog(LOG_ERR,
					    "can't create tpc socket");
					nfsd_exit(1);
				}
				if (setsockopt(tcpsock, SOL_SOCKET,
				    SO_REUSEADDR,
				    (char *)&on, sizeof(on)) < 0)
					syslog(LOG_ERR,
					     "setsockopt SO_REUSEADDR: %m");
				if (bind(tcpsock, ai_tcp->ai_addr,
				    ai_tcp->ai_addrlen) < 0) {
					syslog(LOG_ERR,
					    "can't bind tcp addr %s: %m",
					    bindhost[i]);
					nfsd_exit(1);
				}
				if (listen(tcpsock, 64) < 0) {
					syslog(LOG_ERR, "listen failed");
					nfsd_exit(1);
				}
				freeaddrinfo(ai_tcp);
				FD_SET(tcpsock, &sockbits);
				FD_SET(tcpsock, &v4bits);
				maxsock = tcpsock;
				connect_type_cnt++;
			}
		}
		if (rpcbreg == 1) {
			memset(&hints, 0, sizeof hints);
			hints.ai_flags = AI_PASSIVE;
			hints.ai_family = AF_INET;
			hints.ai_socktype = SOCK_STREAM;
			hints.ai_protocol = IPPROTO_TCP;
			ecode = getaddrinfo(NULL, "nfs", &hints,
			     &ai_tcp);
			if (ecode != 0) {
				syslog(LOG_ERR, "getaddrinfo tcp: %s",
				   gai_strerror(ecode));
				nfsd_exit(1);
			}
			nconf_tcp = getnetconfigent("tcp");
			if (nconf_tcp == NULL)
				err(1, "getnetconfigent tcp failed");
			nb_tcp.buf = ai_tcp->ai_addr;
			nb_tcp.len = nb_tcp.maxlen = ai_tcp->ai_addrlen;
			if ((!rpcb_set(RPCPROG_NFS, 2, nconf_tcp,
			    &nb_tcp)) || (!rpcb_set(RPCPROG_NFS, 3,
			    nconf_tcp, &nb_tcp)))
				err(1, "rpcb_set tcp failed");
			freeaddrinfo(ai_tcp);
		}
	}

	/* Set up the socket for tcp6 and rpcb register it. */
	if (tcpflag && ip6flag) {
		rpcbreg = 0;
		for (i = 0; i < bindhostc; i++) {
			memset(&hints, 0, sizeof hints);
			hints.ai_flags = AI_PASSIVE;
			hints.ai_family = AF_INET6;
			hints.ai_socktype = SOCK_STREAM;
			hints.ai_protocol = IPPROTO_TCP;
			if (setbindhost(&ai_tcp6, bindhost[i], hints) == 0) {
				rpcbreg = 1;
				rpcbregcnt++;
				if ((tcp6sock = socket(ai_tcp6->ai_family,
				    ai_tcp6->ai_socktype,
				    ai_tcp6->ai_protocol)) < 0) {
					syslog(LOG_ERR,
					    "can't create tcp6 socket");
					nfsd_exit(1);
				}
				if (setsockopt(tcp6sock, SOL_SOCKET,
				    SO_REUSEADDR,
				    (char *)&on, sizeof(on)) < 0)
					syslog(LOG_ERR,
					    "setsockopt SO_REUSEADDR: %m");
				if (setsockopt(tcp6sock, IPPROTO_IPV6,
				    IPV6_V6ONLY, &on, sizeof on) < 0) {
					syslog(LOG_ERR,
					"can't set v6-only binding for tcp6 "
					    "socket: %m");
					nfsd_exit(1);
				}
				if (bind(tcp6sock, ai_tcp6->ai_addr,
				    ai_tcp6->ai_addrlen) < 0) {
					syslog(LOG_ERR,
					    "can't bind tcp6 addr %s: %m",
					    bindhost[i]);
					nfsd_exit(1);
				}
				if (listen(tcp6sock, 64) < 0) {
					syslog(LOG_ERR, "listen failed");
					nfsd_exit(1);
				}
				freeaddrinfo(ai_tcp6);
				FD_SET(tcp6sock, &sockbits);
				FD_SET(tcp6sock, &v6bits);
				if (maxsock < tcp6sock)
					maxsock = tcp6sock;
				connect_type_cnt++;
			}
		}
		if (rpcbreg == 1) {
			memset(&hints, 0, sizeof hints);
			hints.ai_flags = AI_PASSIVE;
			hints.ai_family = AF_INET6;
			hints.ai_socktype = SOCK_STREAM;
			hints.ai_protocol = IPPROTO_TCP;
			ecode = getaddrinfo(NULL, "nfs", &hints, &ai_tcp6);
			if (ecode != 0) {
				syslog(LOG_ERR, "getaddrinfo tcp6: %s",
				   gai_strerror(ecode));
				nfsd_exit(1);
			}
			nconf_tcp6 = getnetconfigent("tcp6");
			if (nconf_tcp6 == NULL)
				err(1, "getnetconfigent tcp6 failed");
			nb_tcp6.buf = ai_tcp6->ai_addr;
			nb_tcp6.len = nb_tcp6.maxlen = ai_tcp6->ai_addrlen;
			if ((!rpcb_set(RPCPROG_NFS, 2, nconf_tcp6, &nb_tcp6)) ||
			    (!rpcb_set(RPCPROG_NFS, 3, nconf_tcp6, &nb_tcp6)))
				err(1, "rpcb_set tcp6 failed");
			freeaddrinfo(ai_tcp6);
		}
	}

	if (rpcbregcnt == 0) {
		syslog(LOG_ERR, "rpcb_set() failed, nothing to do: %m");
		nfsd_exit(1);
	}

	if (tcpflag && connect_type_cnt == 0) {
		syslog(LOG_ERR, "tcp connects == 0, nothing to do: %m");
		nfsd_exit(1);
	}

	setproctitle("master");
	/*
	 * We always want a master to have a clean way to to shut nfsd down
	 * (with unregistration): if the master is killed, it unregisters and
	 * kills all children. If we run for UDP only (and so do not have to
	 * loop waiting waiting for accept), we instead make the parent
	 * a "server" too. start_server will not return.
	 */
	if (!tcpflag)
		start_server(1);

	/*
	 * Loop forever accepting connections and passing the sockets
	 * into the kernel for the mounts.
	 */
	for (;;) {
		ready = sockbits;
		if (connect_type_cnt > 1) {
			if (select(maxsock + 1,
			    &ready, NULL, NULL, NULL) < 1) {
				syslog(LOG_ERR, "select failed: %m");
				if (errno == EINTR)
					continue;
				nfsd_exit(1);
			}
		}
		for (tcpsock = 0; tcpsock <= maxsock; tcpsock++) {
			if (FD_ISSET(tcpsock, &ready)) {
				if (FD_ISSET(tcpsock, &v4bits)) {
					len = sizeof(inetpeer);
					if ((msgsock = accept(tcpsock,
					    (struct sockaddr *)&inetpeer, &len)) < 0) {
						syslog(LOG_ERR, "accept failed: %m");
						if (errno == ECONNABORTED ||
						    errno == EINTR)
							continue;
						nfsd_exit(1);
					}
					memset(inetpeer.sin_zero, 0,
						sizeof(inetpeer.sin_zero));
					if (setsockopt(msgsock, SOL_SOCKET,
					    SO_KEEPALIVE, (char *)&on, sizeof(on)) < 0)
						syslog(LOG_ERR,
						    "setsockopt SO_KEEPALIVE: %m");
					nfsdargs.sock = msgsock;
					nfsdargs.name = (caddr_t)&inetpeer;
					nfsdargs.namelen = len;
					nfssvc(NFSSVC_ADDSOCK, &nfsdargs);
					close(msgsock);
				} else if (FD_ISSET(tcpsock, &v6bits)) {
					len = sizeof(inet6peer);
					if ((msgsock = accept(tcpsock,
					    (struct sockaddr *)&inet6peer,
					    &len)) < 0) {
						syslog(LOG_ERR,
						     "accept failed: %m");
						if (errno == ECONNABORTED ||
						    errno == EINTR)
							continue;
						nfsd_exit(1);
					}
					if (setsockopt(msgsock, SOL_SOCKET,
					    SO_KEEPALIVE, (char *)&on,
					    sizeof(on)) < 0)
						syslog(LOG_ERR, "setsockopt "
						    "SO_KEEPALIVE: %m");
					nfsdargs.sock = msgsock;
					nfsdargs.name = (caddr_t)&inet6peer;
					nfsdargs.namelen = len;
					nfssvc(NFSSVC_ADDSOCK, &nfsdargs);
					close(msgsock);
				}
			}
		}
	}
}
コード例 #19
0
ファイル: mount.c プロジェクト: joushou/mac9p
int
main(int argc, char *argv[])
{
    struct vfsconf vfc;
    mntoptparse_t mp;
    struct stat st;
    char *name, *srv, *p;
    char *port, *asrv, *aport;
    char mntpath[MAXPATHLEN];
    char pass[NAMELEN], akey[DESKEYLEN];
    int mntflags, altflags, noauth, c;

    getmnt_silent = 0;
    mntflags = 0;
    altflags = 0;
    pass[0] = '\0';
    port = "564";
    asrv = NULL;
    aport = "567";
    noauth = 0;
    while ((c=getopt(argc, argv, "ho:")) != -1) {
        switch(c) {
        case 'o':
            altflags = 0;
            mp = getmntopts(optarg, mopts, &mntflags, &altflags);
            if (mp == NULL)
                err(EX_USAGE, "getmntopts: %s", optarg);
            if (altflags & ALTF_UNAME)
                args.uname = egetmntoptstr(mp, "uname");
            if (altflags & ALTF_ANAME)
                args.aname = egetmntoptstr(mp, "aname");
            if (altflags & ALTF_VOLUME)
                args.volume = egetmntoptstr(mp, "volume");
            if (altflags & ALTF_PASS) {
                p = egetmntoptstr(mp, "pass");
                strlcpy(pass, p, NAMELEN);
            }
            if (altflags & ALTF_PORT)
                port = egetmntoptstr(mp, "port");
            if (altflags & ALTF_ASRV)
                asrv = egetmntoptstr(mp, "asrv");
            if (altflags & ALTF_APORT)
                aport = egetmntoptstr(mp, "aport");
            if (altflags & ALTF_NOAUTH)
                noauth = 1;
            /* flags */
            if (altflags & ALTF_CHATTY9P)
                args.flags |= FLAG_CHATTY9P;
            if (altflags & ALTF_DSSTORE)
                args.flags &= ~FLAG_DSSTORE;
            if (altflags & ALTF_DOTU)
                args.flags |= FLAG_DOTU;
            freemntopts(mp);
            break;
        default:
Usage:
            fprintf(stderr, "Usage: mount_%s [-o options] srv node\n", VFS9PNAME);
            exit(EX_USAGE);
        }
    }
    argc -= optind;
    argv += optind;
    if (argc != 2)
        goto Usage;

    srv = *argv++;
    name = *argv;

    // check path
    if (!realpath(name, mntpath) || stat(mntpath, &st)<0)
        err(EX_USAGE, "%s", mntpath);
    if (!S_ISDIR(st.st_mode)) {
        errno = ENOTDIR;
        err(EX_USAGE, "%s", mntpath);
    }

    if (*srv == '/')
        noauth++;

    getaddr(&args.addr, &args.addrlen, srv, port);
    if (!noauth) {
        if (asrv == NULL)
            asrv = srv;
        getaddr(&args.authaddr, &args.authaddrlen, asrv, aport);
        if (*pass == '\0') {
            if (!readpassphrase("Password: "******"USER");
    if (!args.uname)
        args.uname = "none";

    args.spec = srv;
    if (getvfsbyname(VFS9PNAME, &vfc) < 0) {
        if (load9p() < 0)
            err(1, NULL);
        if (getvfsbyname(VFS9PNAME, &vfc) < 0)
            errx(EX_UNAVAILABLE, "%s filesystem is not available", VFS9PNAME);
    }
    if (mount(vfc.vfc_name, mntpath, mntflags, &args) < 0)
        err(1, "mount %s %s", srv, mntpath);
    return 0;
}