Exemplo n.º 1
0
int
zmount(const char *spec, const char *dir, int mflag, char *fstype,
    char *dataptr, int datalen, char *optptr, int optlen)
{
	struct iovec *iov;
	char *optstr, *os, *p;
	int iovlen, rv;

	assert(spec != NULL);
	assert(dir != NULL);
	assert(mflag == 0);
	assert(fstype != NULL);
	assert(strcmp(fstype, MNTTYPE_ZFS) == 0);
	assert(dataptr == NULL);
	assert(datalen == 0);
	assert(optptr != NULL);
	assert(optlen > 0);

	optstr = strdup(optptr);
	assert(optstr != NULL);

	iov = NULL;
	iovlen = 0;
	build_iovec(&iov, &iovlen, "fstype", fstype, (size_t)-1);
	build_iovec(&iov, &iovlen, "fspath", __DECONST(char *, dir),
	    (size_t)-1);
	build_iovec(&iov, &iovlen, "from", __DECONST(char *, spec), (size_t)-1);
	for (p = optstr; p != NULL; strsep(&p, ",/ "))
		build_iovec(&iov, &iovlen, p, NULL, (size_t)-1);
	rv = nmount(iov, iovlen, 0);
	free(optstr);
	return (rv);
}
Exemplo n.º 2
0
int
main(int argc, char *argv[])
{
	struct iovec *iov;
	char *p, *val;
	char source[MAXPATHLEN];
	char target[MAXPATHLEN];
	char errmsg[255];
	int ch, iovlen;
	char nullfs[] = "nullfs";

	iov = NULL;
	iovlen = 0;
	errmsg[0] = '\0';
	while ((ch = getopt(argc, argv, "o:")) != -1)
		switch(ch) {
		case 'o':
			val = strdup("");
			p = strchr(optarg, '=');
			if (p != NULL) {
				free(val);
				*p = '\0';
				val = p + 1;
			}
			build_iovec(&iov, &iovlen, optarg, val, (size_t)-1);
			break;
		case '?':
		default:
			usage();
		}
	argc -= optind;
	argv += optind;

	if (argc != 2)
		usage();

	/* resolve target and source with realpath(3) */
	if (checkpath(argv[0], target) != 0)
		err(EX_USAGE, "%s", target);
	if (checkpath(argv[1], source) != 0)
		err(EX_USAGE, "%s", source);

	if (subdir(target, source) || subdir(source, target))
		errx(EX_USAGE, "%s (%s) and %s are not distinct paths",
		    argv[0], target, argv[1]);

	build_iovec(&iov, &iovlen, "fstype", nullfs, (size_t)-1);
	build_iovec(&iov, &iovlen, "fspath", source, (size_t)-1);
	build_iovec(&iov, &iovlen, "target", target, (size_t)-1);
	build_iovec(&iov, &iovlen, "errmsg", errmsg, sizeof(errmsg));
	if (nmount(iov, iovlen, 0) < 0) {
		if (errmsg[0] != 0)
			err(1, "%s: %s", source, errmsg);
		else
			err(1, "%s", source);
	}
	exit(0);
}
Exemplo n.º 3
0
int
main(int argc, char *argv[])
{
	struct iovec iov[6];
	int ch, mntflags;
	char source[MAXPATHLEN];
	char target[MAXPATHLEN];

	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();

	/* resolve target and source with realpath(3) */
	if (checkpath(argv[0], target) != 0)
		err(EX_USAGE, "%s", target);
	if (checkpath(argv[1], source) != 0)
		err(EX_USAGE, "%s", source);

	if (subdir(target, source) || subdir(source, target))
		errx(EX_USAGE, "%s (%s) and %s are not distinct paths",
		    argv[0], target, argv[1]);

	iov[0].iov_base = strdup("fstype");
	iov[0].iov_len = sizeof("fstype");
	iov[1].iov_base = strdup("nullfs");
	iov[1].iov_len = strlen(iov[1].iov_base) + 1;
	iov[2].iov_base = strdup("fspath");
	iov[2].iov_len = sizeof("fspath");
	iov[3].iov_base = source;
	iov[3].iov_len = strlen(source) + 1;
	iov[4].iov_base = strdup("target");
	iov[4].iov_len = sizeof("target");
	iov[5].iov_base = target;
	iov[5].iov_len = strlen(target) + 1;

	if (nmount(iov, 6, mntflags))
		err(1, NULL);
	exit(0);
}
Exemplo n.º 4
0
static void
domount(const char * const list[], unsigned int elems)
{
	struct iovec iov[elems];
	unsigned int i;

	for (i = 0; i < elems; i++) {
		iov[i].iov_base = __DECONST(char *, list[i]);
		iov[i].iov_len = strlen(list[i]) + 1;
	}

	if (nmount(iov, elems, 0) != 0)
		die(list[1]);
}
Exemplo n.º 5
0
int main( int argc, char **argv ) {
    char mntpath[MAXPATHLEN];
    char fstype[] = "udf";
    struct iovec *iov;
    char *cs_disk, *cs_local, *dev, *dir;
    int ch, i, iovlen, mntflags, udf_flags, verbose;
    i = iovlen = mntflags = udf_flags = verbose = 0;
    cs_disk = cs_local = NULL;
    iov = NULL;
    while ( ( ch = getopt( argc, argv, "o:vC:" ) ) != -1 )
        switch ( ch ) {
        case 'o':
            getmntopts( optarg, mopts, &mntflags, NULL );
            break;
        case 'v':
            verbose++;
            break;
        case 'C':
            if ( set_charset( &cs_disk, &cs_local, optarg ) == -1 ) err( EX_OSERR, "udf_iconv" );
            udf_flags |= UDFMNT_KICONV;
            break;
        case '?':
        default:
            usage();
        }
    argc -= optind;
    argv += optind;
    if ( argc != 2 ) usage();
    dev = argv[0];
    dir = argv[1];
    if ( checkpath( dir, mntpath ) != 0 ) err( EX_USAGE, "%s", mntpath );
    (void) rmslashes( dev, dev );
    mntflags |= MNT_RDONLY;
    build_iovec( &iov, &iovlen, "fstype", fstype, ( size_t ) - 1 );
    build_iovec( &iov, &iovlen, "fspath", mntpath, ( size_t ) - 1 );
    build_iovec( &iov, &iovlen, "from", dev, ( size_t ) - 1 );
    build_iovec( &iov, &iovlen, "flags", &udf_flags, sizeof( udf_flags ) );
    if ( udf_flags & UDFMNT_KICONV ) {
        build_iovec( &iov, &iovlen, "cs_disk", cs_disk, ( size_t ) - 1 );
        build_iovec( &iov, &iovlen, "cs_local", cs_local, ( size_t ) - 1 );
    }
    if ( nmount( iov, i, mntflags ) < 0 ) err( 1, "%s", dev );
    exit( 0 );
}
Exemplo n.º 6
0
/*
 * The mother of all processes.
 */
int
main(int argc, char *argv[])
{
	state_t initial_transition = runcom;
	char kenv_value[PATH_MAX];
	int c;
	struct sigaction sa;
	sigset_t mask;

	/* Dispose of random users. */
	if (getuid() != 0)
		errx(1, "%s", strerror(EPERM));

	/* System V users like to reexec init. */
	if (getpid() != 1) {
#ifdef COMPAT_SYSV_INIT
		/* So give them what they want */
		if (argc > 1) {
			if (strlen(argv[1]) == 1) {
				char runlevel = *argv[1];
				int sig;

				switch (runlevel) {
				case '0': /* halt + poweroff */
					sig = SIGUSR2;
					break;
				case '1': /* single-user */
					sig = SIGTERM;
					break;
				case '6': /* reboot */
					sig = SIGINT;
					break;
				case 'c': /* block further logins */
					sig = SIGTSTP;
					break;
				case 'q': /* rescan /etc/ttys */
					sig = SIGHUP;
					break;
				default:
					goto invalid;
				}
				kill(1, sig);
				_exit(0);
			} else
invalid:
				errx(1, "invalid run-level ``%s''", argv[1]);
		} else
#endif
			errx(1, "already running");
	}
	/*
	 * Note that this does NOT open a file...
	 * Does 'init' deserve its own facility number?
	 */
	openlog("init", LOG_CONS, LOG_AUTH);

	/*
	 * Create an initial session.
	 */
	if (setsid() < 0)
		warning("initial setsid() failed: %m");

	/*
	 * Establish an initial user so that programs running
	 * single user do not freak out and die (like passwd).
	 */
	if (setlogin("root") < 0)
		warning("setlogin() failed: %m");

	/*
	 * This code assumes that we always get arguments through flags,
	 * never through bits set in some random machine register.
	 */
	while ((c = getopt(argc, argv, "dsf")) != -1)
		switch (c) {
		case 'd':
			devfs = 1;
			break;
		case 's':
			initial_transition = single_user;
			break;
		case 'f':
			runcom_mode = FASTBOOT;
			break;
		default:
			warning("unrecognized flag '-%c'", c);
			break;
		}

	if (optind != argc)
		warning("ignoring excess arguments");

	/*
	 * We catch or block signals rather than ignore them,
	 * so that they get reset on exec.
	 */
	handle(badsys, SIGSYS, 0);
	handle(disaster, SIGABRT, SIGFPE, SIGILL, SIGSEGV, SIGBUS, SIGXCPU,
	    SIGXFSZ, 0);
	handle(transition_handler, SIGHUP, SIGINT, SIGTERM, SIGTSTP, SIGUSR1,
	    SIGUSR2, 0);
	handle(alrm_handler, SIGALRM, 0);
	sigfillset(&mask);
	delset(&mask, SIGABRT, SIGFPE, SIGILL, SIGSEGV, SIGBUS, SIGSYS,
	    SIGXCPU, SIGXFSZ, SIGHUP, SIGINT, SIGTERM, SIGTSTP, SIGALRM,
	    SIGUSR1, SIGUSR2, 0);
	sigprocmask(SIG_SETMASK, &mask, (sigset_t *) 0);
	sigemptyset(&sa.sa_mask);
	sa.sa_flags = 0;
	sa.sa_handler = SIG_IGN;
	sigaction(SIGTTIN, &sa, (struct sigaction *)0);
	sigaction(SIGTTOU, &sa, (struct sigaction *)0);

	/*
	 * Paranoia.
	 */
	close(0);
	close(1);
	close(2);

	if (kenv(KENV_GET, "init_script", kenv_value, sizeof(kenv_value)) > 0) {
		state_func_t next_transition;

		if ((next_transition = run_script(kenv_value)) != 0)
			initial_transition = (state_t) next_transition;
	}

	if (kenv(KENV_GET, "init_chroot", kenv_value, sizeof(kenv_value)) > 0) {
		if (chdir(kenv_value) != 0 || chroot(".") != 0)
			warning("Can't chroot to %s: %m", kenv_value);
	}

	/*
	 * Additional check if devfs needs to be mounted:
	 * If "/" and "/dev" have the same device number,
	 * then it hasn't been mounted yet.
	 */
	if (!devfs) {
		struct stat stst;
		dev_t root_devno;

		stat("/", &stst);
		root_devno = stst.st_dev;
		if (stat("/dev", &stst) != 0)
			warning("Can't stat /dev: %m");
		else if (stst.st_dev == root_devno)
			devfs++;
	}

	if (devfs) {
		struct iovec iov[4];
		char *s;
		int i;

		char _fstype[]	= "fstype";
		char _devfs[]	= "devfs";
		char _fspath[]	= "fspath";
		char _path_dev[]= _PATH_DEV;

		iov[0].iov_base = _fstype;
		iov[0].iov_len = sizeof(_fstype);
		iov[1].iov_base = _devfs;
		iov[1].iov_len = sizeof(_devfs);
		iov[2].iov_base = _fspath;
		iov[2].iov_len = sizeof(_fspath);
		/*
		 * Try to avoid the trailing slash in _PATH_DEV.
		 * Be *very* defensive.
		 */
		s = strdup(_PATH_DEV);
		if (s != NULL) {
			i = strlen(s);
			if (i > 0 && s[i - 1] == '/')
				s[i - 1] = '\0';
			iov[3].iov_base = s;
			iov[3].iov_len = strlen(s) + 1;
		} else {
			iov[3].iov_base = _path_dev;
			iov[3].iov_len = sizeof(_path_dev);
		}
		nmount(iov, 4, 0);
		if (s != NULL)
			free(s);
	}

	/*
	 * Start the state machine.
	 */
	transition(initial_transition);

	/*
	 * Should never reach here.
	 */
	return 1;
}
Exemplo n.º 7
0
int
main(int argc,          // IN
     char *argv[])      // IN
{
#ifdef VM_HAVE_MTAB
   Bool doMtab = TRUE;
#endif
   char c;
   int i;
   int result = EXIT_FAILURE;
   int flags = 0;
   int mntRes = -1;
   char *optionString = NULL;
   const char *shareNameHost = NULL;
   const char *shareNameDir = NULL;
   struct stat statBuf;
   HgfsMountInfo mountInfo;
   char *canonicalizedPath = NULL;
   size_t pathMax;

   thisProgram = argv[0];

   /* Compute the base name of the program, too. */
   thisProgramBase = strrchr(thisProgram, '/');
   if (thisProgramBase != NULL) {
      thisProgramBase++;
   } else {
      thisProgramBase = thisProgram;
   }
   setpwent();

   if (argc < 3) {
      PrintUsage();
   }

   while ((c = getopt(argc, argv, "hno:vV")) != -1) {
      switch (c) {
      case '?':
      case 'h':
         PrintUsage();
#ifdef VM_HAVE_MTAB
      case 'n':
         doMtab = FALSE;
         break;
#endif
      case 'o':
         if (optionString == NULL) {
            optionString = strdup(optarg);
         } else {
            size_t newLength;
            char *savedString = optionString;
            newLength = strlen(optionString) + strlen(",") +
                        strlen(optarg) + sizeof '\0';
            optionString = realloc(optionString, newLength);
            if (optionString != NULL) {
               Str_Strcat(optionString, ",", newLength);
               Str_Strcat(optionString, optarg, newLength);
            } else {
               free(savedString);
            }
         }
         if (optionString == NULL) {
            printf("Error: could not allocate memory for options\n");
            goto out;
         }
         break;
      case 'v':
         beVerbose = TRUE;
         break;
      case 'V':
         PrintVersion();
      default:
         printf("Error: unknown mount option %c\n", c);
         PrintUsage();
      }
   }

   LOG("Original command line: \"%s", thisProgram);
   for (i = 1; i < argc; i++) {
      LOG(" %s", argv[i]);
   }
   LOG("\"\n");

   /* After getopt_long(3), optind is the first non-option argument. */
   shareName = argv[optind];
   mountPoint = argv[optind + 1];

   /*
    * We canonicalize the mount point to avoid any discrepancies between the actual mount
    * point and the listed mount point in /etc/mtab (such discrepancies could prevent
    * umount(8) from removing the mount point from /etc/mtab).
    */
   pathMax = GetPathMax(mountPoint);
   canonicalizedPath = malloc(pathMax * sizeof *canonicalizedPath);
   if (canonicalizedPath == NULL) {
      printf("Error: cannot allocate memory for canonicalized path, "
             "aborting mount\n");
      goto out;
   } else if (!realpath(mountPoint, canonicalizedPath)) {
      perror("Error: cannot canonicalize mount point");
      goto out;
   }
   mountPoint = canonicalizedPath;

   if (!ParseShareName(shareName, &shareNameHost, &shareNameDir)) {
      printf("Error: share name is invalid, aborting mount\n");
      goto out;
   }

   mountInfo.magicNumber = HGFS_SUPER_MAGIC;
   mountInfo.version = HGFS_PROTOCOL_VERSION;

#ifndef sun
   mountInfo.fmask = 0;
   mountInfo.dmask = 0;
   mountInfo.uidSet = FALSE;
   mountInfo.gidSet = FALSE;
   mountInfo.ttl = HGFS_DEFAULT_TTL;
#if defined(__APPLE__)
   strlcpy(mountInfo.shareNameHost, shareNameHost, MAXPATHLEN);
   strlcpy(mountInfo.shareNameDir, shareNameDir, MAXPATHLEN);
#else
   mountInfo.shareNameHost = shareNameHost;
   mountInfo.shareNameDir = shareNameDir;
#endif
#endif

   /*
    * This'll write the rest of the options into HgfsMountInfo and possibly
    * modify the flags.
    */
   if (optionString && !ParseOptions(optionString, &mountInfo, &flags)) {
      printf("Error: could not parse options string\n");
      goto out;
   }

   /* Do some sanity checks on our desired mount point. */
   if (stat(mountPoint, &statBuf)) {
      perror("Error: cannot stat mount point");
      goto out;
   }
   if (S_ISDIR(statBuf.st_mode) == 0) {
      printf("Error: mount point \"%s\" is not a directory\n", mountPoint);
      goto out;
   }

   /*
    * Must be root in one flavor or another. If we're suid root, only proceed
    * if the user owns the mountpoint.
    */
   if (geteuid() != 0) {
      printf("Error: either you're not root, or %s isn't installed SUID\n",
             thisProgram);
      goto out;
   } else if (getuid() != 0 && (getuid() != statBuf.st_uid ||
                                (statBuf.st_mode & S_IRWXU) != S_IRWXU)) {
      printf("Error: for user mounts, user must own the mount point\n");
      goto out;
   }

   /* Go! */
#if defined(linux)
   mntRes = mount(shareName, mountPoint, HGFS_NAME, flags, &mountInfo);
#elif defined(__FreeBSD__)
   {
      struct iovec iov[] = {{"fstype", sizeof("fstype")},
                            {HGFS_NAME, sizeof(HGFS_NAME)},
                            {"target", sizeof("target")},
                            {shareName, strlen(shareName) + 1},
                            {"fspath", sizeof("fspath")},
                            {(void *)mountPoint, strlen(mountPoint) + 1},
                            {"uidSet", sizeof("uidSet")},
                            {&mountInfo.uidSet, sizeof(mountInfo.uidSet)},
                            {"uid", sizeof("uid")},
                            {&mountInfo.uid, sizeof(mountInfo.uid)},
                            {"gidSet", sizeof("gidSet")},
                            {&mountInfo.gidSet, sizeof(mountInfo.gidSet)},
                            {"gid", sizeof("gid")},
                            {&mountInfo.gid, sizeof(mountInfo.gid)}};

      mntRes = nmount(iov, ARRAYSIZE(iov), flags);
   }
#elif defined(__APPLE__)
   mntRes = mount(HGFS_NAME, mountPoint, flags, &mountInfo);
#elif defined(sun)
   mntRes = mount(mountPoint, mountPoint, MS_DATA | flags, HGFS_NAME,
                  &mountInfo, sizeof mountInfo);
#endif
   if (mntRes) {
      perror("Error: cannot mount filesystem");
      goto out;
   }
   result = EXIT_SUCCESS;

#ifdef VM_HAVE_MTAB
   if (doMtab) {
      UpdateMtab(&mountInfo, flags);
   }
#endif

  out:
   free(optionString);
   free(canonicalizedPath);
   return result;
}
Exemplo n.º 8
0
int
mount_fs(const char *vfstype, int argc, char *argv[])
{
	struct iovec *iov;
	int iovlen;
	int mntflags = 0;
	int ch;
	char *dev, *dir, mntpath[MAXPATHLEN];
	char fstype[32];
	char errmsg[255];
	char *p, *val;

	strlcpy(fstype, vfstype, sizeof(fstype));
	memset(errmsg, 0, sizeof(errmsg));

	getmnt_silent = 1;
	iov = NULL;
	iovlen = 0;

	optind = optreset = 1;		/* Reset for parse of new argv. */
	while ((ch = getopt(argc, argv, "o:")) != -1) {
		switch(ch) {
		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 '?':
		default:
			usage();
		}
	}

	argc -= optind;
	argv += optind;
	if (argc != 2)
		usage();

	dev = argv[0];
	dir = argv[1];

	if (checkpath(dir, mntpath) != 0) {
		warn("%s", mntpath);
		return (1);
	}
	(void)rmslashes(dev, dev);

	build_iovec(&iov, &iovlen, "fstype", fstype, (size_t)-1);
	build_iovec(&iov, &iovlen, "fspath", mntpath, (size_t)-1);
	build_iovec(&iov, &iovlen, "from", dev, (size_t)-1);
	build_iovec(&iov, &iovlen, "errmsg", errmsg, sizeof(errmsg));

	if (nmount(iov, iovlen, mntflags) == -1) {
		if (*errmsg != '\0')
			warn("%s: %s", dev, errmsg);
		else
			warn("%s", dev);
		return (1);
	}
	return (0);
}
Exemplo n.º 9
0
int main( int argc, char **argv ) {
	struct iovec *iov;
	int iovlen;
	int ch, mntflags;
	char *dev, *dir, *p, *val, mntpath[MAXPATHLEN];
	int verbose;
	int ssector;
	char fstype[] = "cd9660";
	iov = NULL;
	iovlen = 0;
	mntflags = verbose = 0;
	ssector = -1;
	while ( ( ch = getopt( argc, argv, "begjo:rs:vC:" ) ) != -1 )
		switch ( ch ) {
			case 'b':
				build_iovec( &iov, &iovlen, "brokenjoliet", NULL, ( size_t ) - 1 );
				break;
			case 'e':
				build_iovec( &iov, &iovlen, "extatt", NULL, ( size_t ) - 1 );
				break;
			case 'g':
				build_iovec( &iov, &iovlen, "gens", NULL, ( size_t ) - 1 );
				break;
			case 'j':
				build_iovec( &iov, &iovlen, "nojoliet", NULL, ( size_t ) - 1 );
				break;
			case 'o':
				getmntopts( optarg, mopts, &mntflags, NULL );
				p = strchr( optarg, '=' );
				val = NULL;
				if ( p != NULL ) {
					*p = '\0';
					val = p + 1;
				}
				build_iovec( &iov, &iovlen, optarg, val, ( size_t ) - 1 );
				break;
			case 'r':
				build_iovec( &iov, &iovlen, "norrip", NULL, ( size_t ) - 1 );
				break;
			case 's':
				ssector = atoi( optarg );
				break;
			case 'v':
				verbose++;
				break;
			case 'C':
				if ( set_charset( &iov, &iovlen, optarg ) == -1 ) err( EX_OSERR, "cd9660_iconv" );
				build_iovec( &iov, &iovlen, "kiconv", NULL, ( size_t ) - 1 );
				break;
			case '?':
			default:
				usage();
		}
	argc -= optind;
	argv += optind;
	if ( argc != 2 ) usage();
	dev = argv[0];
	dir = argv[1];
	if ( checkpath( dir, mntpath ) != 0 ) err( 1, "%s", mntpath );
	(void) rmslashes( dev, dev );
	if ( ssector == -1 ) {
		if ( ( ssector = get_ssector( dev ) ) == -1 ) {
			if ( verbose ) printf( "could not determine starting sector, "
					"using very first session\n" );
			ssector = 0;
		} else if ( verbose ) printf( "using starting sector %d\n", ssector );
	}
	mntflags |= MNT_RDONLY;
	build_iovec( &iov, &iovlen, "fstype", fstype, ( size_t ) - 1 );
	build_iovec( &iov, &iovlen, "fspath", mntpath, ( size_t ) - 1 );
	build_iovec( &iov, &iovlen, "from", dev, ( size_t ) - 1 );
	build_iovec_argf( &iov, &iovlen, "ssector", "%d", ssector );
	if ( nmount( iov, iovlen, mntflags ) < 0 ) err( 1, "%s", dev );
	exit( 0 );
}
Exemplo n.º 10
0
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;
}
Exemplo n.º 11
0
int
main(int argc, char **argv)
{
	struct iovec *iov = NULL;
	int iovlen = 0;
	struct stat sb;
	int c, set_gid, set_uid, set_mask, set_dirmask;
	char *dev, *dir, mntpath[MAXPATHLEN], *csp;
	char fstype[] = "msdosfs";
	char errmsg[255] = {0};
	char *cs_dos = NULL;
	char *cs_local = NULL;
	mode_t mask = 0, dirmask = 0;
	uid_t uid = 0;
	gid_t gid = 0;

	set_gid = set_uid = set_mask = set_dirmask = 0;

	while ((c = getopt(argc, argv, "sl9u:g:m:M:o:L:D:W:")) != -1) {
		switch (c) {
		case 's':
			build_iovec(&iov, &iovlen, "shortnames", NULL, (size_t)-1);
			break;
		case 'l':
			build_iovec(&iov, &iovlen, "longnames", NULL, (size_t)-1);
			break;
		case '9':
			build_iovec_argf(&iov, &iovlen, "nowin95", "", (size_t)-1);
			break;
		case 'u':
			uid = a_uid(optarg);
			set_uid = 1;
			break;
		case 'g':
			gid = a_gid(optarg);
			set_gid = 1;
			break;
		case 'm':
			mask = a_mask(optarg);
			set_mask = 1;
			break;
		case 'M':
			dirmask = a_mask(optarg);
			set_dirmask = 1;
			break;
		case 'L': {
			const char *quirk = NULL;
			if (setlocale(LC_CTYPE, optarg) == NULL)
				err(EX_CONFIG, "%s", optarg);
			csp = strchr(optarg,'.');
			if (!csp)
				err(EX_CONFIG, "%s", optarg);
			quirk = kiconv_quirkcs(csp + 1, KICONV_VENDOR_MICSFT);
			build_iovec_argf(&iov, &iovlen, "cs_local", quirk);
			cs_local = strdup(quirk);
			}
			break;
		case 'D':
			cs_dos = strdup(optarg);
			build_iovec_argf(&iov, &iovlen, "cs_dos", cs_dos, (size_t)-1);
			break;
		case 'o': {
			char *p = NULL;
			char *val = strdup("");
			p = strchr(optarg, '=');
			if (p != NULL) {
				free(val);
				*p = '\0';
				val = p + 1;
			}
			build_iovec(&iov, &iovlen, optarg, val, (size_t)-1);
			}
			break;
		case 'W':
			if (strcmp(optarg, "iso22dos") == 0) {
				cs_local = strdup("ISO8859-2");
				cs_dos = strdup("CP852");
			} else if (strcmp(optarg, "iso72dos") == 0) {
				cs_local = strdup("ISO8859-7");
				cs_dos = strdup("CP737");
			} else if (strcmp(optarg, "koi2dos") == 0) {
				cs_local = strdup("KOI8-R");
				cs_dos = strdup("CP866");
			} else if (strcmp(optarg, "koi8u2dos") == 0) {
				cs_local = strdup("KOI8-U");
				cs_dos = strdup("CP866");
			} else {
				err(EX_NOINPUT, "%s", optarg);
			}
			build_iovec(&iov, &iovlen, "cs_local", cs_local, (size_t)-1);
			build_iovec(&iov, &iovlen, "cs_dos", cs_dos, (size_t)-1);
			break;
		case '?':
		default:
			usage();
			break;
		}
	}

	if (optind + 2 != argc)
		usage();

	if (set_mask && !set_dirmask) {
		dirmask = mask;
		set_dirmask = 1;
	}
	else if (set_dirmask && !set_mask) {
		mask = dirmask;
		set_mask = 1;
	}

	dev = argv[optind];
	dir = argv[optind + 1];

	if (cs_local != NULL) {
		if (set_charset(&iov, &iovlen, cs_local, cs_dos) == -1)
			err(EX_OSERR, "msdosfs_iconv");
		build_iovec_argf(&iov, &iovlen, "kiconv", "");
	} else if (cs_dos != NULL) {
		build_iovec_argf(&iov, &iovlen, "cs_local", "ISO8859-1");
		if (set_charset(&iov, &iovlen, "ISO8859-1", cs_dos) == -1)
			err(EX_OSERR, "msdosfs_iconv");
		build_iovec_argf(&iov, &iovlen, "kiconv", "");
	}

	/*
	 * Resolve the mountpoint with realpath(3) and remove unnecessary
	 * slashes from the devicename if there are any.
	 */
	if (checkpath(dir, mntpath) != 0)
		err(EX_USAGE, "%s", mntpath);
	(void)rmslashes(dev, dev);

	if (!set_gid || !set_uid || !set_mask) {
		if (stat(mntpath, &sb) == -1)
			err(EX_OSERR, "stat %s", mntpath);

		if (!set_uid)
			uid = sb.st_uid;
		if (!set_gid)
			gid = sb.st_gid;
		if (!set_mask)
			mask = dirmask =
				sb.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO);
	}

	build_iovec(&iov, &iovlen, "fstype", fstype, (size_t)-1);
	build_iovec(&iov, &iovlen, "fspath", mntpath, (size_t)-1);
	build_iovec(&iov, &iovlen, "from", dev, (size_t)-1);
	build_iovec(&iov, &iovlen, "errmsg", errmsg, sizeof(errmsg));
	build_iovec_argf(&iov, &iovlen, "uid", "%d", uid);
	build_iovec_argf(&iov, &iovlen, "gid", "%u", gid);
	build_iovec_argf(&iov, &iovlen, "mask", "%u", mask);
	build_iovec_argf(&iov, &iovlen, "dirmask", "%u", dirmask);

	if (nmount(iov, iovlen, 0) < 0) {
		if (errmsg[0])
			err(1, "%s: %s", dev, errmsg);
		else
			err(1, "%s", dev);
	}

	exit (0);
}
Exemplo n.º 12
0
int
main(int argc, char **argv)
{
	struct iovec *iov;
	int iovlen;
	int ch, mntflags;
	char *dev, *dir, *p, *val, mntpath[MAXPATHLEN];
	int verbose;
	int ssector;		/* starting sector, 0 for 1st session */
	char fstype[] = "cd9660";

	iov = NULL;
	iovlen = 0;
	mntflags = verbose = 0;
	ssector = -1;

	while ((ch = getopt(argc, argv, "begjo:rs:vC:")) != -1)
		switch (ch) {
		case 'b':
			build_iovec(&iov, &iovlen, "brokenjoliet", NULL, (size_t)-1);
			break;
		case 'e':
			build_iovec(&iov, &iovlen, "extatt", NULL, (size_t)-1);
			break;
		case 'g':
			build_iovec(&iov, &iovlen, "gens", NULL, (size_t)-1);
			break;
		case 'j':
			build_iovec(&iov, &iovlen, "nojoliet", NULL, (size_t)-1);
			break;
		case 'o':
			getmntopts(optarg, mopts, &mntflags, NULL);
			p = strchr(optarg, '=');
			val = NULL;
			if (p != NULL) {
				*p = '\0';
				val = p + 1;
			}
			build_iovec(&iov, &iovlen, optarg, val, (size_t)-1);
			break;
		case 'r':
			build_iovec(&iov, &iovlen, "norrip", NULL, (size_t)-1);
			break;
		case 's':
			ssector = atoi(optarg);
			break;
		case 'v':
			verbose++;
			break;
		case 'C':
			if (set_charset(&iov, &iovlen, optarg) == -1)
				err(EX_OSERR, "cd9660_iconv");
			build_iovec(&iov, &iovlen, "kiconv", NULL, (size_t)-1);
			break;
		case '?':
		default:
			usage();
		}
	argc -= optind;
	argv += optind;

	if (argc != 2)
		usage();

	dev = argv[0];
	dir = argv[1];

	/*
	 * Resolve the mountpoint with realpath(3) and remove unnecessary
	 * slashes from the devicename if there are any.
	 */
	if (checkpath(dir, mntpath) != 0)
		err(1, "%s", mntpath);
	(void)rmslashes(dev, dev);

	if (ssector == -1) {
		/*
		 * The start of the session has not been specified on
		 * the command line.  If we can successfully read the
		 * TOC of a CD-ROM, use the last data track we find.
		 * Otherwise, just use 0, in order to mount the very
		 * first session.  This is compatible with the
		 * historic behaviour of mount_cd9660(8).  If the user
		 * has specified -s <ssector> above, we don't get here
		 * and leave the user's will.
		 */
		if ((ssector = get_ssector(dev)) == -1) {
			if (verbose)
				printf("could not determine starting sector, "
				       "using very first session\n");
			ssector = 0;
		} else if (verbose)
			printf("using starting sector %d\n", ssector);
	}
	mntflags |= MNT_RDONLY;
	build_iovec(&iov, &iovlen, "fstype", fstype, (size_t)-1);
	build_iovec(&iov, &iovlen, "fspath", mntpath, (size_t)-1);
	build_iovec(&iov, &iovlen, "from", dev, (size_t)-1);
	build_iovec_argf(&iov, &iovlen, "ssector", "%d", ssector);

	if (nmount(iov, iovlen, mntflags) < 0)
		err(1, "%s", dev);
	exit(0);
}
Exemplo n.º 13
0
int
main(int argc, char **argv)
{
	struct iovec iov[12];
	int ch, i, mntflags, opts, udf_flags;
	char *dev, *dir, mntpath[MAXPATHLEN];
	char *cs_disk, *cs_local;
	int verbose;

	i = mntflags = opts = udf_flags = verbose = 0;
	cs_disk = cs_local = NULL;
	while ((ch = getopt(argc, argv, "o:vC:")) != -1)
		switch (ch) {
		case 'o':
			getmntopts(optarg, mopts, &mntflags, &opts);
			break;
		case 'v':
			verbose++;
			break;
		case 'C':
			if (set_charset(&cs_disk, &cs_local, optarg) == -1)
				err(EX_OSERR, "udf_iconv");
			udf_flags |= UDFMNT_KICONV;
			break;
		case '?':
		default:
			usage();
		}
	argc -= optind;
	argv += optind;

	if (argc != 2)
		usage();

	dev = argv[0];
	dir = argv[1];

	/*
	 * Resolve the mountpoint with realpath(3) and remove unnecessary
	 * slashes from the devicename if there are any.
	 */
	(void)checkpath(dir, mntpath);
	(void)rmslashes(dev, dev);

	/*
	 * UDF file systems are not writeable.
	 */
	mntflags |= MNT_RDONLY;

	iov[i].iov_base = "fstype";
	iov[i++].iov_len = sizeof("fstype");
	iov[i].iov_base = "udf";
	iov[i].iov_len = strlen(iov[i].iov_base) + 1;
	i++;
	iov[i].iov_base = "fspath";
	iov[i++].iov_len = sizeof("fspath");
	iov[i].iov_base = mntpath;
	iov[i++].iov_len = strlen(mntpath) + 1;
	iov[i].iov_base = "from";
	iov[i++].iov_len = sizeof("from");
	iov[i].iov_base = dev;
	iov[i++].iov_len = strlen(dev) + 1;
	iov[i].iov_base = "flags";
	iov[i++].iov_len = sizeof("flags");
	iov[i].iov_base = &udf_flags;
	iov[i++].iov_len = sizeof(udf_flags);
	if (udf_flags & UDFMNT_KICONV) {
		iov[i].iov_base = "cs_disk";
		iov[i++].iov_len = sizeof("cs_disk");
		iov[i].iov_base = cs_disk;
		iov[i++].iov_len = strlen(cs_disk) + 1;
		iov[i].iov_base = "cs_local";
		iov[i++].iov_len = sizeof("cs_local");
		iov[i].iov_base = cs_local;
		iov[i++].iov_len = strlen(cs_local) + 1;
	}
	if (nmount(iov, i, mntflags) < 0)
		err(1, "%s", dev);
	exit(0);
}
Exemplo n.º 14
0
int
main(int argc, char **argv)
{
	char errmsg[255], path[PATH_MAX];
	char *cp, *snapname;
	struct statfs stfsbuf;
	struct group *grp;
	struct stat stbuf;
	struct iovec *iov;
	int fd, iovlen;

	if (argc == 2)
		snapname = argv[1];
	else if (argc == 3)
		snapname = argv[2];	/* Old usage. */
	else
		usage();

	/*
	 * Check that the user running this program has permission
	 * to create and remove a snapshot file from the directory
	 * in which they have requested to have it made. If the 
	 * directory is sticky and not owned by the user, then they
	 * will not be able to remove the snapshot when they are
	 * done with it.
	 */
	if (strlen(snapname) >= PATH_MAX)
		errx(1, "pathname too long %s", snapname);
	cp = strrchr(snapname, '/');
	if (cp == NULL) {
		strlcpy(path, ".", PATH_MAX);
	} else if (cp == snapname) {
		strlcpy(path, "/", PATH_MAX);
	} else {
		strlcpy(path, snapname, cp - snapname + 1);
	}
	if (statfs(path, &stfsbuf) < 0)
		err(1, "%s", path);
	if (stat(path, &stbuf) < 0)
		err(1, "%s", path);
	if (!S_ISDIR(stbuf.st_mode))
		errx(1, "%s: Not a directory", path);
	if (access(path, W_OK) < 0)
		err(1, "Lack write permission in %s", path);
	if ((stbuf.st_mode & S_ISTXT) && stbuf.st_uid != getuid())
		errx(1, "Lack write permission in %s: Sticky bit set", path);

	/*
	 * Having verified access to the directory in which the
	 * snapshot is to be built, proceed with creating it.
	 */
	if ((grp = getgrnam("operator")) == NULL)
		errx(1, "Cannot retrieve operator gid");

	iov = NULL;
	iovlen = 0;
	build_iovec(&iov, &iovlen, "fstype", "ffs", 4);
	build_iovec(&iov, &iovlen, "from", snapname, (size_t)-1);
	build_iovec(&iov, &iovlen, "fspath", stfsbuf.f_mntonname, (size_t)-1);
	build_iovec(&iov, &iovlen, "errmsg", errmsg, sizeof(errmsg));
	build_iovec(&iov, &iovlen, "update", NULL, 0);
	build_iovec(&iov, &iovlen, "snapshot", NULL, 0);

	*errmsg = '\0';
	if (nmount(iov, iovlen, stfsbuf.f_flags) < 0) {
		errmsg[sizeof(errmsg) - 1] = '\0';
		err(1, "Cannot create snapshot %s%s%s", snapname,
		    *errmsg != '\0' ? ": " : "", errmsg);
	}
	if ((fd = open(snapname, O_RDONLY)) < 0)
		err(1, "Cannot open %s", snapname);
	if (fstat(fd, &stbuf) != 0)
		err(1, "Cannot stat %s", snapname);
	if ((stbuf.st_flags & SF_SNAPSHOT) == 0)
		errx(1, "File %s is not a snapshot", snapname);
	if (fchown(fd, -1, grp->gr_gid) != 0)
		err(1, "Cannot chown %s", snapname);
	if (fchmod(fd, S_IRUSR | S_IRGRP) != 0)
		err(1, "Cannot chmod %s", snapname);

	exit(EXIT_SUCCESS);
}
Exemplo n.º 15
0
int
main()
{
    void *vptr;
    struct iovec iov[6];

    vptr = mmap((void *)ADDR, PAGESIZE, PROT_READ | PROT_WRITE,
            MAP_FIXED | MAP_ANON | MAP_PRIVATE, -1, 0);

    if(vptr == MAP_FAILED)
    {
        perror("mmap");
        exit(EXIT_FAILURE);
    }

    vptr += OFFSET;
    printf("[*] vptr = 0x%.8x\n", (unsigned int)vptr);

    memcpy(vptr, kernelcode, (sizeof(kernelcode) - 1));

    mkdir(DIRPATH, 0700);

    iov[0].iov_base = "fstype";
    iov[0].iov_len = strlen(iov[0].iov_base) + 1;
    
    iov[1].iov_base = FSNAME;
    iov[1].iov_len = strlen(iov[1].iov_base) + 1;
    
    iov[2].iov_base = "fspath";
    iov[2].iov_len = strlen(iov[2].iov_base) + 1;
    
    iov[3].iov_base = DIRPATH;
    iov[3].iov_len = strlen(iov[3].iov_base) + 1;

    iov[4].iov_base = calloc(BUFSIZE, sizeof(char));

    if(iov[4].iov_base == NULL)
    {
        perror("calloc");
        rmdir(DIRPATH);
        exit(EXIT_FAILURE);
    }

    memset(iov[4].iov_base, 0x41, (BUFSIZE - 1));
    iov[4].iov_len = BUFSIZE;

    iov[5].iov_base = "BBBB";
    iov[5].iov_len = strlen(iov[5].iov_base) + 1;

    printf("[*] calling nmount()\n");

    if(nmount(iov, 6, 0) < 0)
    {
        perror("nmount");
        rmdir(DIRPATH);
        exit(EXIT_FAILURE);
    }

    printf("[*] unmounting and deleting %s\n", DIRPATH);
    unmount(DIRPATH, 0);
    rmdir(DIRPATH);

    return EXIT_SUCCESS;
}
Exemplo n.º 16
0
int 
main(int argc, char *argv[])
{
	struct iovec	*iov;
	int ch, iovlen;
	char source [MAXPATHLEN], target[MAXPATHLEN], errmsg[255];
	char uid_str[20], gid_str[20];
	char fstype[] = "unionfs";
	char *p, *val;

	iov = NULL;
	iovlen = 0;
	memset(errmsg, 0, sizeof(errmsg));

	while ((ch = getopt(argc, argv, "bo:")) != -1) {
		switch (ch) {
		case 'b':
			printf("\n  -b is deprecated.  Use \"-o below\" instead\n");
			build_iovec(&iov, &iovlen, "below", NULL, 0);
			break;
		case 'o':
                        p = strchr(optarg, '=');
                        val = NULL;
                        if (p != NULL) {
                                *p = '\0';
                                val = p + 1;
				if (strcmp(optarg, "gid") == 0) {
					parse_gid(val, gid_str, sizeof(gid_str));
					val = gid_str;
				}
				else if (strcmp(optarg, "uid") == 0) {
					parse_uid(val, uid_str, sizeof(uid_str));
					val = uid_str;
				}
                        }
                        build_iovec(&iov, &iovlen, optarg, val, (size_t)-1);
			break;
		case '?':
		default:
			usage();
			/* NOTREACHED */
		}
	}
	argc -= optind;
	argv += optind;

	if (argc != 2)
		usage();

	/* resolve both target and source with realpath(3) */
	if (checkpath(argv[0], target) != 0)
		err(EX_USAGE, "%s", target);
	if (checkpath(argv[1], source) != 0)
		err(EX_USAGE, "%s", source);

	if (subdir(target, source) || subdir(source, target))
		errx(EX_USAGE, "%s (%s) and %s (%s) are not distinct paths",
		     argv[0], target, argv[1], source);

	build_iovec(&iov, &iovlen, "fstype", fstype, (size_t)-1);
	build_iovec(&iov, &iovlen, "fspath", source, (size_t)-1);
	build_iovec(&iov, &iovlen, "from", target, (size_t)-1);
	build_iovec(&iov, &iovlen, "errmsg", errmsg, sizeof(errmsg));

	if (nmount(iov, iovlen, 0))
		err(EX_OSERR, "%s: %s", source, errmsg);
	exit(0);
}
Exemplo n.º 17
0
static int
fuse_mount_sys (const char *mountpoint, char *fsname,
                unsigned long mountflags, char *mnt_param, int fd)
{
        int ret = -1;
        unsigned mounted = 0;
        char *mnt_param_mnt = NULL;
        char *fstype = "fuse.glusterfs";
        char *source = fsname;

        ret = asprintf (&mnt_param_mnt,
                        "%s,fd=%i,rootmode=%o,user_id=%i,group_id=%i",
                        mnt_param, fd, S_IFDIR, getuid (), getgid ());
        if (ret == -1) {
                GFFUSE_LOGERR ("Out of memory");

                goto out;
        }

#ifdef __FreeBSD__
        struct iovec *iov = NULL;
        int iovlen = 0;
        build_iovec (&iov, &iovlen, "fstype", "fusefs", -1);
        build_iovec (&iov, &iovlen, "subtype", "glusterfs", -1);
        build_iovec (&iov, &iovlen, "fspath", mountpoint, -1);
        build_iovec (&iov, &iovlen, "from", "/dev/fuse", -1);
        build_iovec (&iov, &iovlen, "volname", source, -1);
        build_iovec_argf (&iov, &iovlen, "fd", "%d", fd);
        build_iovec_argf (&iov, &iovlen, "user_id", "%d", getuid());
        build_iovec_argf (&iov, &iovlen, "group_id", "%d", getgid());
        ret = nmount (iov, iovlen, mountflags);
#else
        ret = mount (source, mountpoint, fstype, mountflags,
                     mnt_param_mnt);
#endif /* __FreeBSD__ */
#ifdef GF_LINUX_HOST_OS
        if (ret == -1 && errno == ENODEV) {
                /* fs subtype support was added by 79c0b2df aka
                   v2.6.21-3159-g79c0b2d. Probably we have an
                   older kernel ... */
                fstype = "fuse";
                ret = asprintf (&source, "glusterfs#%s", fsname);
                if (ret == -1) {
                        GFFUSE_LOGERR ("Out of memory");

                        goto out;
                }
                ret = mount (source, mountpoint, fstype, mountflags,
                             mnt_param_mnt);
        }
#endif /* GF_LINUX_HOST_OS */
        if (ret == -1)
                goto out;
        else
                mounted = 1;

#ifdef GF_LINUX_HOST_OS
        if (geteuid () == 0) {
                char *newmnt = fuse_mnt_resolve_path ("fuse", mountpoint);
                char *mnt_param_mtab = NULL;

                if (!newmnt) {
                        ret = -1;

                        goto out;
                }

                ret = asprintf (&mnt_param_mtab, "%s%s",
                                mountflags & MS_RDONLY ? "ro," : "",
                                mnt_param);
                if (ret == -1)
                        GFFUSE_LOGERR ("Out of memory");
                else {
                        ret = fuse_mnt_add_mount ("fuse", source, newmnt,
                                                  fstype, mnt_param_mtab);
                        FREE (mnt_param_mtab);
                }

                FREE (newmnt);
                if (ret == -1) {
                        GFFUSE_LOGERR ("failed to add mtab entry");

                        goto out;
                }
        }
#endif /* GF_LINUX_HOST_OS */

out:
        if (ret == -1) {
                GFFUSE_LOGERR("ret = -1\n");
                if (mounted)
                        umount2 (mountpoint, 2); /* lazy umount */
        }
        FREE (mnt_param_mnt);
        if (source != fsname)
                FREE (source);

        return ret;
}
Exemplo n.º 18
0
Arquivo: df.c Projeto: akabaev/freebsd
int
main(int argc, char *argv[])
{
	struct stat stbuf;
	struct statfs statfsbuf, totalbuf;
	struct maxwidths maxwidths;
	struct statfs *mntbuf;
#ifdef MOUNT_CHAR_DEVS
	struct iovec *iov = NULL;
#endif
	const char *fstype;
#ifdef MOUNT_CHAR_DEVS
	char *mntpath;
	char errmsg[255] = {0};
#endif
	char *mntpt;
	const char **vfslist;
	int i, mntsize;
	int ch, rv;
#ifdef MOUNT_CHAR_DEVS
	int iovlen = 0;
#endif

	fstype = "ufs";
	(void)setlocale(LC_ALL, "");
	memset(&maxwidths, 0, sizeof(maxwidths));
	memset(&totalbuf, 0, sizeof(totalbuf));
	totalbuf.f_bsize = DEV_BSIZE;
	strlcpy(totalbuf.f_mntfromname, "total", MNAMELEN);
	vfslist = NULL;

	argc = xo_parse_args(argc, argv);
	if (argc < 0)
		exit(1);

	while ((ch = getopt(argc, argv, "abcgHhiklmnPt:T,")) != -1)
		switch (ch) {
		case 'a':
			aflag = 1;
			break;
		case 'b':
				/* FALLTHROUGH */
		case 'P':
			/*
			 * POSIX specifically discusses the behavior of
			 * both -k and -P. It states that the blocksize should
			 * be set to 1024. Thus, if this occurs, simply break
			 * rather than clobbering the old blocksize.
			 */
			if (kflag)
				break;
			setenv("BLOCKSIZE", "512", 1);
			hflag = 0;
			break;
		case 'c':
			cflag = 1;
			break;
		case 'g':
			setenv("BLOCKSIZE", "1g", 1);
			hflag = 0;
			break;
		case 'H':
			hflag = UNITS_SI;
			break;
		case 'h':
			hflag = UNITS_2;
			break;
		case 'i':
			iflag = 1;
			break;
		case 'k':
			kflag++;
			setenv("BLOCKSIZE", "1024", 1);
			hflag = 0;
			break;
		case 'l':
			/* Ignore duplicate -l */
			if (lflag)
				break;
			if (vfslist != NULL)
				xo_errx(1, "-l and -t are mutually exclusive.");
			vfslist = makevfslist(makenetvfslist());
			lflag = 1;
			break;
		case 'm':
			setenv("BLOCKSIZE", "1m", 1);
			hflag = 0;
			break;
		case 'n':
			nflag = 1;
			break;
		case 't':
			if (lflag)
				xo_errx(1, "-l and -t are mutually exclusive.");
			if (vfslist != NULL)
				xo_errx(1, "only one -t option may be specified");
			fstype = optarg;
			vfslist = makevfslist(optarg);
			break;
		case 'T':
			Tflag = 1;
			break;
		case ',':
			thousands = 1;
			break;
		case '?':
		default:
			usage();
		}
	argc -= optind;
	argv += optind;

	rv = 0;
	if (!*argv) {
		/* everything (modulo -t) */
		mntsize = getmntinfo(&mntbuf, MNT_NOWAIT);
		mntsize = regetmntinfo(&mntbuf, mntsize, vfslist);
	} else {
		/* just the filesystems specified on the command line */
		mntbuf = malloc(argc * sizeof(*mntbuf));
		if (mntbuf == NULL)
			xo_err(1, "malloc()");
		mntsize = 0;
		/* continued in for loop below */
	}

	xo_open_container("storage-system-information");
	xo_open_list("filesystem");

	/* iterate through specified filesystems */
	for (; *argv; argv++) {
		if (stat(*argv, &stbuf) < 0) {
			if ((mntpt = getmntpt(*argv)) == NULL) {
				xo_warn("%s", *argv);
				rv = 1;
				continue;
			}
#ifdef MOUNT_CHAR_DEVS
		} else if (S_ISCHR(stbuf.st_mode)) {
			if ((mntpt = getmntpt(*argv)) == NULL) {
				mdev.fspec = *argv;
				mntpath = strdup("/tmp/df.XXXXXX");
				if (mntpath == NULL) {
					xo_warn("strdup failed");
					rv = 1;
					continue;
				}
				mntpt = mkdtemp(mntpath);
				if (mntpt == NULL) {
					xo_warn("mkdtemp(\"%s\") failed", mntpath);
					rv = 1;
					free(mntpath);
					continue;
				}
				if (iov != NULL)
					free_iovec(&iov, &iovlen);
				build_iovec_argf(&iov, &iovlen, "fstype", "%s",
				    fstype);
				build_iovec_argf(&iov, &iovlen, "fspath", "%s",
				    mntpath);
				build_iovec_argf(&iov, &iovlen, "from", "%s",
				    *argv);
				build_iovec(&iov, &iovlen, "errmsg", errmsg,
				    sizeof(errmsg));
				if (nmount(iov, iovlen,
				    MNT_RDONLY|MNT_NOEXEC) < 0) {
					if (errmsg[0])
						xo_warn("%s: %s", *argv,
						    errmsg);
					else
						xo_warn("%s", *argv);
					rv = 1;
					(void)rmdir(mntpt);
					free(mntpath);
					continue;
				} else if (statfs(mntpt, &statfsbuf) == 0) {
					statfsbuf.f_mntonname[0] = '\0';
					prtstat(&statfsbuf, &maxwidths);
					if (cflag)
						addstat(&totalbuf, &statfsbuf);
				} else {
					xo_warn("%s", *argv);
					rv = 1;
				}
				(void)unmount(mntpt, 0);
				(void)rmdir(mntpt);
				free(mntpath);
				continue;
			}
#endif
		} else
			mntpt = *argv;

		/*
		 * Statfs does not take a `wait' flag, so we cannot
		 * implement nflag here.
		 */
		if (statfs(mntpt, &statfsbuf) < 0) {
			xo_warn("%s", mntpt);
			rv = 1;
			continue;
		}

		/*
		 * Check to make sure the arguments we've been given are
		 * satisfied.  Return an error if we have been asked to
		 * list a mount point that does not match the other args
		 * we've been given (-l, -t, etc.).
		 */
		if (checkvfsname(statfsbuf.f_fstypename, vfslist)) {
			rv = 1;
			continue;
		}

		/* the user asked for it, so ignore the ignore flag */
		statfsbuf.f_flags &= ~MNT_IGNORE;

		/* add to list */
		mntbuf[mntsize++] = statfsbuf;
	}

	memset(&maxwidths, 0, sizeof(maxwidths));
	for (i = 0; i < mntsize; i++) {
		if (aflag || (mntbuf[i].f_flags & MNT_IGNORE) == 0) {
			update_maxwidths(&maxwidths, &mntbuf[i]);
			if (cflag)
				addstat(&totalbuf, &mntbuf[i]);
		}
	}
	for (i = 0; i < mntsize; i++)
		if (aflag || (mntbuf[i].f_flags & MNT_IGNORE) == 0)
			prtstat(&mntbuf[i], &maxwidths);

	xo_close_list("filesystem");

	if (cflag)
		prtstat(&totalbuf, &maxwidths);

	xo_close_container("storage-system-information");
	xo_finish();
	exit(rv);
}