source3/wscript

   1 #! /usr/bin/env python
   2
   3 srcdir=".."
   4
   5 import sys, os
   6 from optparse import SUPPRESS_HELP
   7 sys.path.insert(0, srcdir+"/buildtools/wafsamba")
   8 sys.path.insert(0, "source3")
   9 import wafsamba, Options, Logs, Utils, Scripting
  10 import build.charset
  11 import samba_utils, samba_version
  12 import samba3
  13
  14 Options.default_prefix = '/usr/local/samba'
  15
  16 def set_options(opt):
  17
  18     opt.add_option('--with-static-modules',
  19                    help=("Comma-separated list of names of modules to statically link in"),
  20                    action="store", dest='static_modules', default=None)
  21     opt.add_option('--with-shared-modules',
  22                    help=("Comma-separated list of names of modules to build shared"),
  23                    action="store", dest='shared_modules', default=None)
  24     opt.add_option('--enable-selftest',
  25                   help=("enable options necessary for selftest"),
  26                   action="store_true", dest='enable_selftest', default=False)
  27
  28     opt.SAMBA3_ADD_OPTION('winbind')
  29     opt.SAMBA3_ADD_OPTION('swat')
  30     opt.SAMBA3_ADD_OPTION('ads')
  31     opt.SAMBA3_ADD_OPTION('mit-krb5-checks', default=False)
  32     opt.SAMBA3_ADD_OPTION('ldap')
  33     opt.SAMBA3_ADD_OPTION('cups', with_name="enable", without_name="disable")
  34     opt.SAMBA3_ADD_OPTION('iprint', with_name="enable", without_name="disable")
  35     opt.SAMBA3_ADD_OPTION('pam')
  36     opt.SAMBA3_ADD_OPTION('pam_smbpass')
  37     opt.SAMBA3_ADD_OPTION('quotas')
  38     opt.SAMBA3_ADD_OPTION('sys-quotas')
  39     opt.SAMBA3_ADD_OPTION('sendfile-support')
  40     opt.SAMBA3_ADD_OPTION('utmp')
  41     opt.SAMBA3_ADD_OPTION('pthreadpool', with_name="enable", without_name="disable")
  42     opt.SAMBA3_ADD_OPTION('avahi', with_name="enable", without_name="disable")
  43     opt.SAMBA3_ADD_OPTION('iconv')
  44     opt.SAMBA3_ADD_OPTION('acl-support')
  45     opt.SAMBA3_ADD_OPTION('dnsupdate')
  46     opt.SAMBA3_ADD_OPTION('syslog')
  47     opt.SAMBA3_ADD_OPTION('automount')
  48     opt.SAMBA3_ADD_OPTION('aio-support')
  49     opt.SAMBA3_ADD_OPTION('profiling-data', default=False)
  50
  51     opt.SAMBA3_ADD_OPTION('cluster-support')
  52
  53     opt.add_option('--with-ctdb-dir',
  54                    help=("Directory under which ctdb is installed"),
  55                    action="store", dest='ctdb_dir', default=None)
  56     opt.add_option('--enable-old-ctdb',
  57                   help=("enable building against (too) old version of ctdb (default=false)"),
  58                   action="store_true", dest='enable_old_ctdb', default=False)
  59
  60
  61
  62 def configure(conf):
  63     from samba_utils import TO_LIST
  64
  65     if Options.options.developer:
  66         conf.ADD_CFLAGS('-DDEVELOPER -DDEBUG_PASSWORD')
  67         conf.env.developer = True
  68
  69     if Options.options.with_swat:
  70         conf.env['build_swat'] = True
  71
  72     if sys.platform != 'openbsd5':
  73         conf.ADD_LDFLAGS("-Wl,--export-dynamic", testflags=True)
  74
  75     conf.CHECK_HEADERS('execinfo.h libexc.h libunwind.h netdb.h')
  76     conf.CHECK_HEADERS('linux/falloc.h')
  77
  78     conf.CHECK_FUNCS('getcwd fchown chmod fchmod mknod mknod64')
  79     conf.CHECK_FUNCS('strtol strchr strupr chflags')
  80     conf.CHECK_FUNCS('getrlimit fsync fdatasync setpgid')
  81     conf.CHECK_FUNCS('setsid glob strpbrk crypt16 getauthuid')
  82     conf.CHECK_FUNCS('sigprocmask sigblock sigaction sigset innetgr')
  83     conf.CHECK_FUNCS('initgroups select poll rdchk getgrnam getgrent pathconf')
  84     conf.CHECK_FUNCS('setpriv setgidx setuidx setgroups sysconf stat64 fstat64')
  85     conf.CHECK_FUNCS('lstat64 fopen64 atexit grantpt lseek64 ftruncate64 fallocate fallocate64 posix_fallocate posix_fallocate64')
  86     conf.CHECK_FUNCS('fseeko fseek64 fseeko64 ftell64 ftello64 setluid')
  87     conf.CHECK_FUNCS('getpwnam', headers='sys/types.h pwd.h')
  88     conf.CHECK_FUNCS('opendir64 readdir64 seekdir64 telldir64 rewinddir64 closedir64')
  89     conf.CHECK_FUNCS('fdopendir fdopendir64')
  90     conf.CHECK_FUNCS('getpwent_r getdents64 setenv strcasecmp fcvt fcvtl')
  91     conf.CHECK_FUNCS('syslog vsyslog timegm setlocale')
  92     conf.CHECK_FUNCS_IN('nanosleep', 'rt')
  93     conf.CHECK_FUNCS('lutimes futimes utimensat futimens')
  94     conf.CHECK_FUNCS('mlock munlock mlockall munlockall')
  95     conf.CHECK_FUNCS('memalign posix_memalign hstrerror')
  96     conf.CHECK_FUNCS('shmget')
  97     conf.CHECK_FUNCS_IN('shm_open', 'rt', checklibc=True)
  98     conf.CHECK_FUNCS('gettext dgettext bindtextdomain textdomain bind_textdomain_codeset')
  99     #FIXME: for some reason this one still fails
 100     conf.CHECK_FUNCS_IN('yp_get_default_domain', 'nsl')
 101     conf.CHECK_FUNCS_IN('dn_expand _dn_expand __dn_expand', 'resolv')
 102     conf.CHECK_DECLS('fdatasync', reverse=True)
 103     conf.CHECK_DECLS('readahead', reverse=True, headers='fcntl.h')
 104
 105     if conf.CONFIG_SET('HAVE_LONG_LONG'):
 106         conf.DEFINE('HAVE_LONGLONG', 1)
 107
 108     if conf.CHECK_CODE('''
 109 #if defined(HAVE_UNISTD_H)
 110 #include <unistd.h>
 111 #endif
 112 long ret = splice(0,0,1,0,400,0);
 113 ''',
 114         'HAVE_LINUX_SPLICE',
 115         headers='fcntl.h'):
 116         conf.CHECK_DECLS('splice', reverse=True, headers='fcntl.h')
 117
 118     # Check for inotify support
 119     conf.CHECK_HEADERS('linux/inotify.h asm/unistd.h sys/inotify.h')
 120     conf.CHECK_FUNCS('inotify_init')
 121     if "HAVE_INOTIFY_INIT" in conf.env:
 122         if "HAVE_LINUX_INOTIFY_H" in conf.env or "HAVE_SYS_INOTIFY_H" in conf.env:
 123             conf.DEFINE('HAVE_INOTIFY', 1)
 124
 125     # Check for kernel change notify support
 126     conf.CHECK_CODE('''
 127 #ifndef F_NOTIFY
 128 #define F_NOTIFY 1026
 129 #endif
 130 main() {
 131         exit(fcntl(open("/tmp", O_RDONLY), F_NOTIFY, 0) == -1 ?  1 : 0);
 132 }''', 'HAVE_KERNEL_CHANGE_NOTIFY', addmain=False, execute=True,
 133         headers='fcntl.h signal.h',
 134         msg="Checking for kernel change notify support")
 135
 136     # Check for Linux kernel oplocks
 137     conf.CHECK_CODE('''
 138 #include <sys/types.h>
 139 #include <fcntl.h>
 140 #include <signal.h>
 141 #ifndef F_NOTIFY
 142 #define F_NOTIFY 1026
 143 #endif
 144 main() {
 145         exit(fcntl(open("/tmp", O_RDONLY), F_NOTIFY, 0) == -1 ?  1 : 0);
 146 }''', 'HAVE_KERNEL_OPLOCKS_LINUX', addmain=False, execute=True,
 147         msg="Checking for Linux kernel oplocks")
 148
 149     # Check for IRIX kernel oplock types
 150     conf.CHECK_CODE('oplock_stat_t t; t.os_state = OP_REVOKE; t.os_dev = 1; t.os_ino = 1;',
 151                     'HAVE_KERNEL_OPLOCKS_IRIX', headers='fcntl.h',
 152                     msg="Checking for IRIX kernel oplock types")
 153
 154     # Check for kernel share modes
 155     conf.CHECK_CODE('''
 156 #include <sys/types.h>
 157 #include <fcntl.h>
 158 #include <signal.h>
 159 #include <sys/file.h>
 160 #ifndef LOCK_MAND
 161 #define LOCK_MAND        32
 162 #define LOCK_READ        64
 163 #endif
 164 main() {
 165         exit(flock(open("/dev/null", O_RDWR), LOCK_MAND|LOCK_READ) != 0);
 166 }''', 'HAVE_KERNEL_SHARE_MODES', addmain=False, execute=True,
 167         msg="Checking for krenel share modes")
 168
 169     # Check for various members of the stat structure
 170     conf.CHECK_TYPES('blksize_t blkcnt_t')
 171     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_blocks', define='HAVE_STAT_ST_BLOCKS',
 172                                 headers='sys/stat.h')
 173     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_blksize', define='HAVE_STAT_ST_BLKSIZE',
 174                                 headers='sys/stat.h')
 175     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_flags', define='HAVE_STAT_ST_FLAGS',
 176                                 headers='sys/types.h sys/stat.h unistd.h')
 177
 178     # Check for POSIX capability support
 179     conf.CHECK_FUNCS_IN('cap_get_proc', 'cap', headers='sys/capability.h')
 180
 181     if "HAVE_SYS_CAPABILITY_H" in conf.env:
 182         conf.CHECK_CODE('''
 183         cap_t cap;
 184         cap_value_t vals[1];
 185         if (!(cap = cap_get_proc())) exit(1);
 186         vals[0] = CAP_CHOWN;
 187         cap_set_flag(cap, CAP_INHERITABLE, 1, vals, CAP_CLEAR);
 188         cap_set_proc(cap);''',
 189                         'HAVE_POSIX_CAPABILITIES', execute=True, lib="cap",
 190                         headers='sys/capability.h',
 191                         msg="Checking whether POSIX capabilities are available")
 192
 193     # Check for int16, uint16, int32 and uint32 in rpc/types.h included from
 194     # rpc/rpc.h. This is *really* broken but some systems (DEC OSF1) do this.
 195     # -- JRA.
 196     if conf.CONFIG_SET("HAVE_RPC_RPC_H"):
 197         conf.CHECK_TYPE('int16', headers='rpc/rpc.h',
 198                         define='HAVE_INT16_FROM_RPC_RPC_H',
 199                         msg="Checking for int16 typedef included by rpc/rpc.h")
 200         conf.CHECK_CODE('uint16 testvar;', 'HAVE_INT16_FROM_RPC_RPC_H',
 201                         headers='sys/types.h rpc/rpc.h',
 202                         msg="Checking for uint16 typedef included by rpc/rpc.h")
 203         conf.CHECK_CODE('int32 testvar;', 'HAVE_INT16_FROM_RPC_RPC_H',
 204                         headers='sys/types.h rpc/rpc.h',
 205                         msg="Checking for int32 typedef included by rpc/rpc.h")
 206         conf.CHECK_CODE('uint32 testvar;', 'HAVE_INT16_FROM_RPC_RPC_H',
 207                         headers='sys/types.h rpc/rpc.h',
 208                         msg="Checking for uint32 typedef included by rpc/rpc.h")
 209     conf.CHECK_CODE('int i;', 'BROKEN_NISPLUS_INCLUDE_FILES',
 210                     headers='sys/types.h sys/acl.h rpcsvc/nis.h',
 211                     msg="Checking for broken nisplus include files")
 212
 213     # Check if the compiler will optimize out functions
 214     conf.CHECK_CODE('''
 215 if (0) {
 216     this_function_does_not_exist();
 217 } else {
 218     return 1;
 219 }''', 'HAVE_COMPILER_WILL_OPTIMIZE_OUT_FNS',
 220         msg="Checking if the compiler will optimize out functions")
 221
 222     # Check if the compiler supports the LL suffix on long long integers
 223     # AIX needs this
 224     conf.CHECK_CODE('long long i = 0x8000000000LL', 'COMPILER_SUPPORTS_LL',
 225                     headers='stdio.h',
 226                     msg="Checking for LL suffix on long long integers")
 227
 228     conf.CHECK_FUNCS('''
 229 _acl __acl add_proplist_entry atexit attr_getf attr_list attr_listf
 230 attropen attr_remove attr_removef attr_set attr_setf
 231 bindtextdomain _chdir __chdir chflags chmod _close __close _closedir
 232 __closedir closedir64 creat64 crypt16 delproplist devnm dgettext dirfd
 233 DNSServiceRegister _dup __dup _dup2 __dup2 endmntent execl
 234 extattr_delete_fd extattr_delete_link extattr_get_fd extattr_get_file
 235 extattr_get_link extattr_list_fd extattr_list_file extattr_list_link
 236 extattr_set_fd extattr_set_file extattr_set_link _facl __facl _fchdir
 237 __fchdir fchmod fchown _fcntl __fcntl fcvt fcvtl fdatasync
 238 fdelproplist fgetea fgetproplist fgetxattr flistea flistxattr fopen64
 239 _fork __fork fremoveea fremovexattr fseeko fseek64 fseeko64 fsetea
 240 fsetproplist fsetxattr _fstat __fstat fstat64 _fstat64 __fstat64 fsync
 241 ftell64 ftello64 ftruncate64 futimens futimes __fxstat getauthuid
 242 getcwd _getcwd __getcwd getdents __getdents getdents64 getdirentries
 243 getgrent getgrnam getgrouplist getgrset getmntent getpagesize
 244 getproplist get_proplist_entry getpwanam getpwent_r getrlimit gettext
 245 glob grantpt hstrerror initgroups innetgr
 246 inotify_init lgetea lgetxattr listea listxattr llistea llistxattr
 247 llseek _llseek __llseek lremoveea lremovexattr _lseek __lseek lseek64
 248 lsetea lsetxattr _lstat __lstat lstat64 _lstat64 __lstat64 lutimes
 249 __lxstat memalign mknod mknod64 mlock mlockall munlock munlockall
 250 _open __open open64 _open64 __open64 _opendir __opendir
 251 opendir64 pathconf poll posix_fallocate posix_fallocate64
 252 posix_memalign prctl pread _pread __pread pread64 _pread64 __pread64
 253 pwrite _pwrite __pwrite pwrite64 _pwrite64
 254 __pwrite64 rdchk _read __read _readdir __readdir readdir64 _readdir64
 255 __readdir64 removeea removexattr rewinddir64 _seekdir __seekdir
 256 seekdir64 select setea setenv setgidx setgroups setlocale setluid
 257 setmntent setpgid setpriv setproplist setsid setuidx
 258 setxattr shmget shm_open sigaction sigblock sigprocmask sigset
 259 sizeof_proplist_entry _stat __stat stat64 _stat64 __stat64 statvfs
 260 strcasecmp strchr strpbrk strsignal strtol strupr sysconf sysctl sysctlbyname
 261 __sys_llseek syslog _telldir __telldir telldir64 textdomain timegm
 262 utimensat vsyslog _write __write __xstat
 263 ''')
 264
 265     conf.CHECK_SAMBA3_CHARSET() # see build/charset.py
 266
 267     # FIXME: these should be tests for features, but the old build system just
 268     # checks for OSes.
 269     host_os = sys.platform
 270     Logs.info("building on %s" % host_os)
 271
 272     # Python doesn't have case switches... :/
 273     # FIXME: original was *linux* | gnu* | k*bsd*-gnu | kopensolaris*-gnu | *qnx*)
 274     # the search for .rfind('gnu') covers gnu* and *-gnu is that too broad?
 275
 276     conf.SET_TARGET_TYPE('sunacl', 'EMPTY')
 277     if (host_os.rfind('linux') > -1) or (host_os.rfind('gnu') > -1) or (host_os.rfind('qnx') > -1):
 278         if host_os.rfind('linux') > -1:
 279             conf.DEFINE('LINUX', '1')
 280         elif host_os.rfind('qnx') > -1:
 281             conf.DEFINE('QNX', '1')
 282         conf.DEFINE('STAT_ST_BLOCKSIZE', '512')
 283     elif (host_os.rfind('darwin') > -1):
 284         conf.DEFINE('DARWINOS', 1)
 285         conf.DEFINE('STAT_ST_BLOCKSIZE', '512')
 286         conf.ADD_CFLAGS('-fno-common')
 287     elif (host_os.rfind('freebsd') > -1):
 288         if conf.CHECK_HEADERS('sunacl.h'):
 289             conf.DEFINE('HAVE_FREEBSD_SUNACL_H', '1')
 290             conf.CHECK_FUNCS_IN('acl', 'sunacl')
 291         conf.DEFINE('STAT_ST_BLOCKSIZE', '512')
 292     elif (host_os.rfind('netbsd') > -1):
 293         conf.DEFINE('STAT_ST_BLOCKSIZE', '512')
 294     elif (host_os.rfind('openbsd') > -1):
 295         conf.DEFINE('STAT_ST_BLOCKSIZE', '512')
 296     elif (host_os.rfind('sunos') > -1):
 297         conf.DEFINE('STAT_ST_BLOCKSIZE', '512')
 298     # FIXME: Add more checks here.
 299     else:
 300         Logs.warn("Unknown host_os '%s', please report this to samba-technical@samba.org" % host_os)
 301
 302     #FIXME: add more checks
 303     if Options.options.with_acl_support:
 304         if host_os.rfind('linux') > -1:
 305             conf.CHECK_FUNCS_IN('acl_get_file', 'acl')
 306             conf.CHECK_FUNCS_IN('getxattr', 'attr')
 307             if conf.CHECK_CODE('''
 308 acl_t acl;
 309 int entry_id;
 310 acl_entry_t *entry_p;
 311 return acl_get_entry(acl, entry_id, entry_p);
 312 ''',
 313                         'HAVE_POSIX_ACLS',
 314                         headers='sys/types.h sys/acl.h', link=False,
 315                         msg="Checking for POSIX ACL support") :
 316                 conf.CHECK_CODE('''
 317 acl_permset_t permset_d;
 318 acl_perm_t perm;
 319 return acl_get_perm_np(permset_d, perm);
 320 ''',
 321                         'HAVE_ACL_GET_PERM_NP',
 322                         headers='sys/types.h sys/acl.h', link=True,
 323                         msg="Checking whether acl_get_perm_np() is available")
 324         else:
 325             conf.DEFINE('HAVE_NO_ACLS', 1)
 326             conf.SET_TARGET_TYPE('acl', 'EMPTY')
 327     else:
 328         conf.DEFINE('HAVE_NO_ACLS', 1)
 329         conf.SET_TARGET_TYPE('acl', 'EMPTY')
 330
 331     if conf.CHECK_FUNCS('dirfd'):
 332         conf.DEFINE('HAVE_DIRFD_DECL', 1)
 333
 334     conf.CHECK_CODE('struct statfs fsd; fsid_t fsid = fsd.f_fsid; return statfs(".", &fsd);',
 335                     'HAVE_STATFS_F_FSID',
 336                     msg="vfs_fileid: checking for statfs() and struct statfs.f_fsid",
 337                     headers='sys/types.h sys/statfs.h',
 338                     execute=True)
 339
 340     if conf.CONFIG_SET('HAVE_FALLOCATE'):
 341         conf.CHECK_CODE('''
 342                 int ret = fallocate(0, FALLOC_FL_KEEP_SIZE, 0, 10);''',
 343                 'HAVE_LINUX_FALLOCATE',
 344                 msg="Checking whether the Linux 'fallocate' function is available",
 345                 headers='unistd.h sys/types.h fcntl.h linux/falloc.h')
 346     if conf.CONFIG_SET('HAVE_FALLOCATE64'):
 347         conf.CHECK_CODE('''
 348                 int ret = fallocate64(0, FALLOC_FL_KEEP_SIZE, 0, 10);''',
 349                 'HAVE_LINUX_FALLOCATE64',
 350                 msg="Checking whether the Linux 'fallocate64' function is available",
 351                 headers='unistd.h sys/types.h fcntl.h linux/falloc.h')
 352     conf.CHECK_CODE('''
 353                 ssize_t err = readahead(0,0,0x80000);''',
 354                 'HAVE_LINUX_READAHEAD',
 355                 msg="Checking whether Linux readahead is available",
 356                 headers='unistd.h fcntl.h')
 357     conf.CHECK_DECLS('readahead', headers='fcntl.h', always=True)
 358
 359     conf.CHECK_CODE('''
 360                 #if defined(HAVE_LONGLONG) && (defined(HAVE_OFF64_T) || (defined(SIZEOF_OFF_T) && (SIZEOF_OFF_T == 8)))
 361                 #include <sys/types.h>
 362                 #else
 363                 __COMPILE_ERROR_
 364                 #endif
 365                 int i;''',
 366                 'HAVE_EXPLICIT_LARGEFILE_SUPPORT',
 367                 msg="Checking whether large file support can be enabled")
 368
 369     if Options.options.with_aio_support:
 370         conf.CHECK_FUNCS_IN('aio_read', 'aio')
 371         conf.CHECK_FUNCS_IN('aio_read', 'rt')
 372         conf.CHECK_CODE('struct aiocb a; return aio_read(&a);',
 373                         'HAVE_AIO',
 374                         msg='Checking for asynchronous io support',
 375                         headers='sys/types.h aio.h',
 376                         lib='aio rt')
 377         conf.CHECK_CODE('struct aiocb64 a; return aio_read64(&a);',
 378                         'HAVE_AIO64',
 379                         msg='Checking for 64-bit asynchronous io support',
 380                         headers='sys/types.h aio.h',
 381                         lib='aio rt')
 382         if conf.CONFIG_SET('HAVE_AIO64'):
 383             conf.DEFINE('HAVE_AIOCB64', '1')
 384             conf.DEFINE('WITH_AIO', '1')
 385         elif conf.CONFIG_SET('HAVE_AIO'):
 386             conf.DEFINE('WITH_AIO', '1')
 387         if conf.CONFIG_SET('HAVE_AIO'):
 388             conf.CHECK_CODE('struct aiocb a; return aio_read(&a);', 'HAVE_AIO_READ', msg='Checking for aio_read', headers='aio.h', lib='aio rt')
 389             conf.CHECK_CODE('struct aiocb a; return aio_write(&a);', 'HAVE_AIO_WRITE', msg='Checking for aio_write', headers='aio.h', lib='aio rt')
 390             conf.CHECK_CODE('struct aiocb a; return aio_fsync(1, &a);', 'HAVE_AIO_FSYNC', msg='Checking for aio_fsync', headers='aio.h', lib='aio rt')
 391             conf.CHECK_CODE('struct aiocb a; return aio_return(&a);', 'HAVE_AIO_RETURN', msg='Checking for aio_return', headers='aio.h', lib='aio rt')
 392             conf.CHECK_CODE('struct aiocb a; return aio_error(&a);', 'HAVE_AIO_ERROR', msg='Checking for aio_error', headers='aio.h', lib='aio rt')
 393             conf.CHECK_CODE('struct aiocb a; return aio_cancel(1, &a);', 'HAVE_AIO_CANCEL', msg='Checking for aio_cancel', headers='aio.h', lib='aio rt')
 394             conf.CHECK_CODE('struct aiocb a; return aio_suspend(&a, 1, NULL);', 'HAVE_AIO_SUSPEND', msg='Checking for aio_suspend', headers='aio.h', lib='aio rt')
 395         if conf.CONFIG_SET('HAVE_AIO64'):
 396             conf.CHECK_CODE('struct aiocb a; return aio_read64(&a);', 'HAVE_AIO_READ64', msg='Checking for aio_read64', headers='aio.h', lib='aio rt')
 397             conf.CHECK_CODE('struct aiocb a; return aio_write64(&a);', 'HAVE_AIO_WRITE64', msg='Checking for aio_write64', headers='aio.h', lib='aio rt')
 398             conf.CHECK_CODE('struct aiocb a; return aio_fsync64(1, &a);', 'HAVE_AIO_FSYNC64', msg='Checking for aio_fsync64', headers='aio.h', lib='aio rt')
 399             conf.CHECK_CODE('struct aiocb a; return aio_return64(&a);', 'HAVE_AIO_RETURN64', msg='Checking for aio_return64', headers='aio.h', lib='aio rt')
 400             conf.CHECK_CODE('struct aiocb a; return aio_error64(&a);', 'HAVE_AIO_ERROR64', msg='Checking for aio_error64', headers='aio.h', lib='aio rt')
 401             conf.CHECK_CODE('struct aiocb a; return aio_cancel64(1, &a);', 'HAVE_AIO_CANCEL64', msg='Checking for aio_cancel64', headers='aio.h', lib='aio rt')
 402             conf.CHECK_CODE('struct aiocb a; return aio_suspend64(&a, 1, NULL);', 'HAVE_AIO_SUSPEND64', msg='Checking for aio_suspend64', headers='aio.h', lib='aio rt')
 403         if not conf.CONFIG_SET('HAVE_AIO'):
 404             conf.DEFINE('HAVE_NO_AIO', '1')
 405     else:
 406         conf.DEFINE('HAVE_NO_AIO', '1')
 407
 408     conf.CHECK_CODE('''
 409 struct msghdr msg;
 410 union {
 411         struct cmsghdr cm;
 412         char control[CMSG_SPACE(sizeof(int))];
 413 } control_un;
 414 msg.msg_control = control_un.control;
 415 msg.msg_controllen = sizeof(control_un.control);
 416 ''',
 417         'HAVE_MSGHDR_MSG_CONTROL',
 418         msg='Checking if we can use msg_control for passing file descriptors',
 419         headers='sys/types.h stdlib.h stddef.h sys/socket.h sys/un.h')
 420     conf.CHECK_CODE('''
 421 struct msghdr msg;
 422 int fd;
 423 msg.msg_acctrights = (caddr_t) &fd;
 424 msg.msg_acctrightslen = sizeof(fd);
 425 ''',
 426         'HAVE_MSGHDR_MSG_ACCTRIGHTS',
 427         msg='Checking if we can use msg_acctrights for passing file descriptors',
 428         headers='sys/types.h stdlib.h stddef.h sys/socket.h sys/un.h')
 429
 430     if Options.options.with_winbind:
 431         conf.env.build_winbind = True
 432         conf.DEFINE('WITH_WINBIND', '1')
 433
 434     conf.find_program('awk', var='AWK')
 435     conf.find_program('perl', var='PERL')
 436
 437     # Darwin has extra options to xattr-family functions
 438     conf.CHECK_CODE('getxattr(0, 0, 0, 0, 0, 0);',
 439                     'XATTR_ADD_OPT',
 440                     msg="Checking whether xattr interface takes additional options",
 441                     headers='sys/types.h attr/xattr.h sys/xattr.h')
 442
 443     conf.CHECK_HEADERS('asm/types.h')
 444
 445     conf.CHECK_CODE('dev_t dev; int i = major(dev); return 0', "HAVE_DEVICE_MAJOR_FN",
 446                     headers='unistd.h sys/types.h',
 447                     msg="Checking for major macro")
 448
 449     conf.CHECK_CODE('dev_t dev; int i = minor(dev); return 0', "HAVE_DEVICE_MINOR_FN",
 450                     headers='unistd.h sys/types.h',
 451                     msg="Checking for minor macro")
 452
 453     conf.CHECK_STRUCTURE_MEMBER('struct dirent', 'd_off',
 454                                 headers='unistd.h sys/types.h dirent.h',
 455                                 define='HAVE_DIRENT_D_OFF')
 456
 457     conf.CHECK_FUNCS('setnetgrent getnetgrent endnetgrent')
 458     if conf.CHECK_CFLAGS('-Werror-implicit-function-declaration'):
 459         netgrent_cflags = '-Werror-implicit-function-declaration'
 460     else:
 461         netgrent_cflags = ''
 462     conf.CHECK_CODE('setnetgrent("foo")', 'HAVE_SETNETGRENT_PROTOTYPE',
 463                     msg="Checking for setnetgrent prototype",
 464                     headers='netdb.h netgroup.h',
 465                     cflags=netgrent_cflags)
 466     conf.CHECK_CODE('getnetgrent', 'HAVE_GETNETGRENT_PROTOTYPE',
 467                     msg="Checking for getnetgrent prototype",
 468                     headers='netdb.h netgroup.h',
 469                     cflags=netgrent_cflags)
 470     conf.CHECK_CODE('endnetgrent', 'HAVE_ENDNETGRENT_PROTOTYPE',
 471                     msg="Checking for endnetgrent prototype",
 472                     headers='netdb.h netgroup.h',
 473                     cflags=netgrent_cflags)
 474
 475
 476     # Look for CUPS
 477     if Options.options.with_cups:
 478         conf.find_program('cups-config', var='CUPS_CONFIG')
 479         if conf.env.CUPS_CONFIG:
 480             # we would normally use --libs here, but cups-config incorrectly adds
 481             # gssapi_krb5 and other libraries to its --libs output. That breaks the use
 482             # of an in-tree heimdal kerberos
 483             conf.check_cfg(path=conf.env.CUPS_CONFIG, args="--cflags --ldflags",
 484                            package="", uselib_store="CUPS")
 485         conf.CHECK_HEADERS('cups/cups.h cups/language.h', lib='cups')
 486         conf.CHECK_FUNCS_IN('httpConnect httpConnectEncrypt', 'cups')
 487         if conf.CONFIG_SET('HAVE_CUPS_CUPS_H') and conf.CONFIG_SET('HAVE_CUPS_LANGUAGE_H'):
 488             conf.DEFINE('HAVE_CUPS', '1')
 489         else:
 490             conf.undefine('HAVE_CUPS')
 491             conf.SET_TARGET_TYPE('cups', 'EMPTY')
 492     else:
 493         # define an empty subsystem for cups, to allow it to be used as an empty dependency
 494         conf.SET_TARGET_TYPE('cups', 'EMPTY')
 495
 496     if Options.options.with_iprint:
 497         if conf.CONFIG_SET('HAVE_CUPS'):
 498             conf.DEFINE('HAVE_IPRINT', '1')
 499         else:
 500             Logs.warn("--enable-iprint=yes but cups support not sufficient")
 501     if Options.options.with_syslog:
 502         conf.DEFINE('WITH_SYSLOG', '1')
 503     if Options.options.with_automount:
 504         conf.DEFINE('WITH_AUTOMOUNT', '1')
 505
 506     # Check for LDAP
 507     if Options.options.with_ldap:
 508         conf.CHECK_HEADERS('ldap.h lber.h ldap_pvt.h')
 509         conf.CHECK_TYPE('ber_tag_t', 'unsigned int', headers='ldap.h lber.h')
 510         conf.CHECK_FUNCS_IN('ber_scanf ber_sockbuf_add_io', 'lber')
 511         conf.CHECK_VARIABLE('LDAP_OPT_SOCKBUF', headers='ldap.h')
 512
 513         # if we LBER_OPT_LOG_PRINT_FN we can intercept ldap logging and print it out
 514         # for the samba logs
 515         conf.CHECK_VARIABLE('LBER_OPT_LOG_PRINT_FN',
 516                             define='HAVE_LBER_LOG_PRINT_FN', headers='lber.h')
 517
 518         conf.CHECK_FUNCS_IN('ldap_init ldap_init_fd ldap_initialize ldap_set_rebind_proc', 'ldap')
 519         conf.CHECK_FUNCS_IN('ldap_add_result_entry', 'ldap')
 520
 521         # Check if ldap_set_rebind_proc() takes three arguments
 522         if conf.CHECK_CODE('ldap_set_rebind_proc(0, 0, 0)',
 523                            'LDAP_SET_REBIND_PROC_ARGS',
 524                            msg="Checking whether ldap_set_rebind_proc takes 3 arguments",
 525                            headers='ldap.h lber.h', link=False):
 526             conf.DEFINE('LDAP_SET_REBIND_PROC_ARGS', '3')
 527         else:
 528             conf.DEFINE('LDAP_SET_REBIND_PROC_ARGS', '2')
 529
 530         # last but not least, if ldap_init() exists, we want to use ldap
 531         if conf.CONFIG_SET('HAVE_LDAP_INIT'):
 532             conf.DEFINE('HAVE_LDAP', '1')
 533             conf.DEFINE('LDAP_DEPRECATED', '1')
 534             conf.env['HAVE_LDAP'] = '1'
 535             # if ber_sockbuf_add_io() and LDAP_OPT_SOCKBUF are available, we can add
 536             # SASL wrapping hooks
 537             if conf.CONFIG_SET('HAVE_BER_SOCKBUF_ADD_IO') and \
 538                     conf.CONFIG_SET('HAVE_LDAP_OPT_SOCKBUF'):
 539                 conf.DEFINE('HAVE_LDAP_SASL_WRAPPING', '1')
 540     else:
 541         conf.SET_TARGET_TYPE('ldap', 'EMPTY')
 542         conf.SET_TARGET_TYPE('lber', 'EMPTY')
 543
 544     # Check for kerberos
 545     have_gssapi=False
 546     if Options.options.with_mit_krb5_checks and conf.env.developer:
 547         Logs.info("Looking for kerberos features")
 548         conf.find_program('krb5-config', var='KRB5_CONFIG')
 549         if conf.env.KRB5_CONFIG:
 550             conf.check_cfg(path="krb5-config", args="--cflags --libs",
 551                        package="gssapi", uselib_store="KRB5")
 552         conf.CHECK_HEADERS('krb5.h krb5/locate_plugin.h', lib='krb5')
 553         conf.CHECK_HEADERS('gssapi.h gssapi/gssapi_generic.h gssapi/gssapi.h gssapi/gssapi_ext.h gssapi/gssapi_krb5.h com_err.h', lib='krb5')
 554
 555         if conf.CONFIG_SET('HAVE_KRB5_LOCATE_PLUGIN_H'):
 556             conf.env['WINBIND_KRB5_LOCATOR'] = 'bin/winbind_krb5_locator.so'
 557
 558         conf.CHECK_FUNCS_IN('_et_list', 'com_err')
 559         conf.CHECK_FUNCS_IN('krb5_encrypt_data', 'k5crypto')
 560         conf.CHECK_FUNCS_IN('des_set_key','crypto')
 561         conf.CHECK_FUNCS_IN('copy_Authenticator', 'asn1')
 562         conf.CHECK_FUNCS_IN('roken_getaddrinfo_hostspec', 'roken')
 563         if conf.CHECK_FUNCS_IN('gss_display_status', 'gssapi') or \
 564            conf.CHECK_FUNCS_IN('gss_display_status', 'gssapi_krb5'):
 565             have_gssapi=True
 566         conf.CHECK_FUNCS_IN('''
 567                gss_wrap_iov
 568                gss_krb5_import_cred
 569                gss_get_name_attribute
 570                gss_mech_krb5
 571                gss_oid_equal
 572                gss_inquire_sec_context_by_oid
 573                gsskrb5_extract_authz_data_from_sec_context
 574                gss_krb5_export_lucid_sec_context
 575                ''', 'gssapi gssapi_krb5 krb5')
 576         conf.CHECK_FUNCS_IN('krb5_mk_req_extended krb5_kt_compare', 'krb5')
 577         conf.CHECK_FUNCS('''
 578 krb5_set_default_in_tkt_etypes krb5_set_default_tgs_enctypes
 579 krb5_set_default_tgs_ktypes krb5_principal2salt krb5_use_enctype
 580 krb5_string_to_key krb5_get_pw_salt krb5_string_to_key_salt krb5_auth_con_setkey
 581 krb5_auth_con_setuseruserkey krb5_get_permitted_enctypes
 582 krb5_get_default_in_tkt_etypes krb5_free_data_contents
 583 krb5_principal_get_comp_string krb5_free_unparsed_name
 584 krb5_free_keytab_entry_contents krb5_kt_free_entry krb5_krbhst_init
 585 krb5_krbhst_get_addrinfo
 586 krb5_crypto_init krb5_crypto_destroy krb5_decode_ap_req free_AP_REQ
 587 krb5_c_verify_checksum krb5_principal_compare_any_realm
 588 krb5_parse_name_norealm krb5_princ_size krb5_get_init_creds_opt_set_pac_request
 589 krb5_get_renewed_creds krb5_free_error_contents
 590 initialize_krb5_error_table krb5_get_init_creds_opt_alloc
 591 krb5_get_init_creds_opt_free krb5_get_init_creds_opt_get_error
 592 krb5_enctype_to_string krb5_fwd_tgt_creds krb5_auth_con_set_req_cksumtype
 593 krb5_get_creds_opt_alloc krb5_get_creds_opt_set_impersonate krb5_get_creds
 594 krb5_get_credentials_for_user krb5_get_host_realm krb5_free_host_realm''',
 595                          lib='krb5 k5crypto')
 596         conf.CHECK_DECLS('''krb5_get_credentials_for_user
 597                             krb5_auth_con_set_req_cksumtype''',
 598                             headers='krb5.h', always=True)
 599         conf.CHECK_VARIABLE('AP_OPTS_USE_SUBKEY', headers='krb5.h')
 600         conf.CHECK_VARIABLE('KV5M_KEYTAB', headers='krb5.h')
 601         conf.CHECK_VARIABLE('KRB5_KU_OTHER_CKSUM', headers='krb5.h')
 602         conf.CHECK_VARIABLE('KRB5_KEYUSAGE_APP_DATA_CKSUM', headers='krb5.h')
 603         conf.CHECK_VARIABLE('ENCTYPE_AES128_CTS_HMAC_SHA1_96', headers='krb5.h')
 604         conf.CHECK_VARIABLE('ENCTYPE_AES256_CTS_HMAC_SHA1_96', headers='krb5.h')
 605         conf.CHECK_DECLS('KRB5_PDU_NONE', reverse=True, headers='krb5.h')
 606         conf.CHECK_STRUCTURE_MEMBER('krb5_keytab_entry', 'key', headers='krb5.h',
 607                                     define='HAVE_KRB5_KEYTAB_ENTRY_KEY')
 608         conf.CHECK_STRUCTURE_MEMBER('krb5_keytab_entry', 'keyblock', headers='krb5.h',
 609                                     define='HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK')
 610         conf.CHECK_STRUCTURE_MEMBER('krb5_address', 'magic', headers='krb5.h',
 611                                     define='HAVE_MAGIC_IN_KRB5_ADDRESS')
 612         conf.CHECK_STRUCTURE_MEMBER('krb5_address', 'addrtype', headers='krb5.h',
 613                                     define='HAVE_ADDRTYPE_IN_KRB5_ADDRESS')
 614         conf.CHECK_STRUCTURE_MEMBER('krb5_ticket', 'enc_part2', headers='krb5.h',
 615                                     define='HAVE_KRB5_TKT_ENC_PART2')
 616         conf.CHECK_STRUCTURE_MEMBER('krb5_ap_req', 'ticket', headers='krb5.h',
 617                                     define='HAVE_TICKET_POINTER_IN_KRB5_AP_REQ')
 618
 619         conf.CHECK_TYPE('krb5_encrypt_block', headers='krb5.h')
 620
 621         conf.CHECK_CODE('''
 622 krb5_ticket ticket;
 623 krb5_kvno kvno;
 624 krb5_enctype enctype;
 625 enctype = ticket.enc_part.enctype;
 626 kvno = ticket.enc_part.kvno;
 627 ''',
 628                         'KRB5_TICKET_HAS_KEYINFO',
 629                         headers='krb5.h', link=False,
 630                         msg="Checking whether the krb5_ticket structure contains the kvno and enctype")
 631         conf.CHECK_CODE('''
 632 krb5_context ctx;
 633 krb5_get_init_creds_opt *opt = NULL;
 634 krb5_get_init_creds_opt_free(ctx, opt);
 635 ''',
 636                         'KRB5_CREDS_OPT_FREE_REQUIRES_CONTEXT',
 637                         headers='krb5.h', link=False,
 638                         msg="Checking whether krb5_get_init_creds_opt_free takes a context argument")
 639         conf.CHECK_CODE('''
 640 const krb5_data *pkdata;
 641 krb5_context context;
 642 krb5_principal principal;
 643 pkdata = krb5_princ_component(context, principal, 0);
 644 ''',
 645                         'HAVE_KRB5_PRINC_COMPONENT',
 646                         headers='krb5.h', lib='krb5',
 647                         msg="Checking whether krb5_princ_component is available")
 648
 649         conf.CHECK_CODE('''
 650 int main(void) {
 651 char buf[256];
 652 krb5_enctype_to_string(1, buf, 256);
 653 return 0;
 654 }''',
 655                         'HAVE_KRB5_ENCTYPE_TO_STRING_WITH_SIZE_T_ARG',
 656                         headers='krb5.h', lib='krb5 k5crypto',
 657                         addmain=False, cflags='-Werror',
 658                         msg="Checking whether krb5_enctype_to_string takes size_t argument")
 659
 660         conf.CHECK_CODE('''
 661 int main(void) {
 662 krb5_context context = NULL;
 663 char *str = NULL;
 664 krb5_enctype_to_string(context, 1, &str);
 665 if (str) free (str);
 666 return 0;
 667 }''',
 668                         'HAVE_KRB5_ENCTYPE_TO_STRING_WITH_KRB5_CONTEXT_ARG',
 669                         headers='krb5.h stdlib.h', lib='krb5',
 670                         addmain=False, cflags='-Werror',
 671                         msg="Checking whether krb5_enctype_to_string takes krb5_context argument")
 672         conf.CHECK_CODE('''
 673 int main(void) {
 674 krb5_context ctx = NULL;
 675 krb5_principal princ = NULL;
 676 const char *str = krb5_princ_realm(ctx, princ)->data;
 677 return 0;
 678 }''',
 679                         'HAVE_KRB5_PRINC_REALM',
 680                         headers='krb5.h', lib='krb5',
 681                         addmain=False,
 682                         msg="Checking whether the macro krb5_princ_realm is defined")
 683         conf.CHECK_CODE('''
 684 int main(void) {
 685     krb5_context context;
 686     krb5_principal principal;
 687     const char *realm; realm = krb5_principal_get_realm(context, principal);
 688     return 0;
 689 }''',
 690                         'HAVE_KRB5_PRINCIPAL_GET_REALM',
 691                         headers='krb5.h', lib='krb5',
 692                         addmain=False,
 693                         msg="Checking whether krb5_principal_get_realm is defined")
 694         conf.CHECK_CODE('''
 695 krb5_enctype enctype;
 696 enctype = ENCTYPE_ARCFOUR_HMAC_MD5;
 697 ''',
 698             '_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5',
 699             headers='krb5.h', lib='krb5',
 700             msg="Checking whether the ENCTYPE_ARCFOUR_HMAC_MD5 key type definition is available");
 701         conf.CHECK_CODE('''
 702 krb5_keytype keytype;
 703 keytype = KEYTYPE_ARCFOUR_56;
 704 ''',
 705             '_HAVE_KEYTYPE_ARCFOUR_56',
 706             headers='krb5.h', lib='krb5',
 707             msg="Checking whether the HAVE_KEYTYPE_ARCFOUR_56 key type definition is available");
 708         if conf.CONFIG_SET('_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5') and conf.CONFIG_SET('_HAVE_KEYTYPE_ARCFOUR_56'):
 709             conf.DEFINE('HAVE_ENCTYPE_ARCFOUR_HMAC_MD5', '1')
 710
 711         conf.CHECK_CODE('''
 712 krb5_enctype enctype;
 713 enctype = ENCTYPE_ARCFOUR_HMAC;
 714 ''',
 715             'HAVE_ENCTYPE_ARCFOUR_HMAC',
 716             headers='krb5.h', lib='krb5',
 717             msg="Checking whether the ENCTYPE_ARCFOUR_HMAC key type definition is available");
 718
 719         conf.CHECK_CODE('''
 720 krb5_context context;
 721 krb5_keytab keytab;
 722 krb5_init_context(&context);
 723 return krb5_kt_resolve(context, "WRFILE:api", &keytab);
 724 ''',
 725             'HAVE_WRFILE_KEYTAB',
 726             headers='krb5.h', lib='krb5', execute=True,
 727             msg="Checking whether the WRFILE:-keytab is supported");
 728
 729         # Check for KRB5_DEPRECATED handling
 730         conf.CHECK_CODE('''#define KRB5_DEPRECATED 1
 731 #include <krb5.h>''',
 732         'HAVE_KRB5_DEPRECATED_WITH_IDENTIFIER', addmain=False,
 733         link=False,
 734         msg="Checking for KRB5_DEPRECATED define taking an identifier")
 735
 736     if Options.options.with_ads:
 737         use_ads=True
 738         if not conf.CONFIG_SET('HAVE_ENCTYPE_ARCFOUR_HMAC_MD5') and \
 739            not conf.CONFIG_SET('HAVE_ENCTYPE_ARCFOUR_HMAC'):
 740             Logs.warn("arcfour-hmac-md5 encryption type not found in -lkrb5")
 741             use_ads=False
 742         if not conf.CONFIG_SET('HAVE_KRB5_MK_REQ_EXTENDED'):
 743             Logs.warn("krb5_mk_req_extended not found in -lkrb5")
 744             use_ads=False
 745         if not conf.CONFIG_SET('HAVE_KRB5_GET_HOST_REALM'):
 746             Logs.warn("krb5_get_host_realm not found in -lkrb5")
 747             use_ads=False
 748         if not conf.CONFIG_SET('HAVE_KRB5_FREE_HOST_REALM'):
 749             Logs.warn("krb5_free_host_realm not found in -lkrb5")
 750             use_ads=False
 751         if not conf.CONFIG_SET('HAVE_KRB5_FWD_TGT_CREDS'):
 752             Logs.warn("krb5_fwd_tgt_creds found in -lkrb5")
 753             use_ads=False
 754         if not conf.CONFIG_SET('HAVE_KRB5_GET_INIT_CREDS_OPT_ALLOC'):
 755             Logs.warn("krb5_get_init_creds_opt_alloc not found in -lkrb5")
 756             use_ads=False
 757         if not conf.CONFIG_SET('KRB5_CREDS_OPT_FREE_REQUIRES_CONTEXT'):
 758             Logs.warn("krb5_get_init_creds_opt_free was not found or was too old in -lkrb5")
 759             use_ads=False
 760         if not conf.CONFIG_SET('HAVE_KRB5_GET_RENEWED_CREDS'):
 761             Logs.warn("krb5_get_renewed_creds not found in -lkrb5")
 762             use_ads=False
 763         if not conf.CONFIG_SET('HAVE_KRB5_PRINCIPAL_COMPARE_ANY_REALM'):
 764             Logs.warn("krb5_principal_compare_any_realm not found in -lkrb5")
 765             use_ads=False
 766         if not conf.CONFIG_SET('HAVE_KRB5_STRING_TO_KEY'):
 767             Logs.warn("krb5_string_to_key not found in -lkrb5")
 768             use_ads=False
 769         if not conf.CONFIG_SET('HAVE_KRB5_PRINCIPAL2SALT') and \
 770            not conf.CONFIG_SET('HAVE_KRB5_GET_PW_SALT'):
 771             Logs.warn("no CREATE_KEY_FUNCTIONS detected")
 772             use_ads=False
 773         if not conf.CONFIG_SET('HAVE_KRB5_GET_PERMITTED_ENCTYPES') and \
 774            not conf.CONFIG_SET('HAVE_KRB5_GET_DEFAULT_IN_TKT_ETYPES'):
 775             Logs.warn("no GET_ENCTYPES_FUNCTIONS detected")
 776             use_ads=False
 777         if not conf.CONFIG_SET('HAVE_KRB5_KT_FREE_ENTRY') and \
 778            not conf.CONFIG_SET('HAVE_KRB5_FREE_KEYTAB_ENTRY_CONTENTS'):
 779             Logs.warn("no KT_FREE_FUNCTION detected")
 780             use_ads=False
 781         if not conf.CONFIG_SET('HAVE_KRB5_C_VERIFY_CHECKSUM'):
 782             Logs.warn("krb5_c_verify_checksum_compare not found in -lkrb5")
 783             use_ads=False
 784         if not conf.CONFIG_SET('KRB5_TICKET_HAS_KEYINFO'):
 785             # We only need the following functions if we can't get the enctype
 786             # and kvno out of the ticket directly (ie. on Heimdal).
 787             if not conf.CONFIG_SET('HAVE_FREE_AP_REQ'):
 788                 Logs.warn("no KRB5_AP_REQ_FREE_FUNCTION detected")
 789                 use_ads=False
 790             if not conf.CONFIG_SET('HAVE_KRB5_DECODE_AP_REQ'):
 791                 Logs.warn("no KRB5_AP_REQ_DECODING_FUNCTION detected")
 792                 use_ads=False
 793
 794         # We don't actually use
 795         # gsskrb5_extract_authz_data_from_sec_context, but it is a
 796         # clue that this Heimdal, which does the PAC processing we
 797         # need on the standard gss_inquire_sec_context_by_oid
 798         if not conf.CONFIG_SET('HAVE_GSS_GET_NAME_ATTRIBUTE') and \
 799             not (conf.CONFIG_SET('HAVE_GSSKRB5_EXTRACT_AUTHZ_DATA_FROM_SEC_CONTEXT') and \
 800                      conf.CONFIG_SET('HAVE_GSS_INQUIRE_SEC_CONTEXT_BY_OID')):
 801             Logs.warn("need eiterh gss_get_name_attribute or gsskrb5_extract_authz_data_from_sec_context and gss_inquire_sec_context_by_oid in -lgssapi for PAC support")
 802             use_ads=False
 803
 804         if not conf.CONFIG_SET('HAVE_GSS_KRB5_EXPORT_LUCID_SEC_CONTEXT'):
 805             Logs.warn("need gss_krb5_export_lucid_sec_context for SPNEGO and gss_wrap support")
 806             use_ads=False
 807
 808         if use_ads:
 809             conf.DEFINE('WITH_ADS', '1')
 810             conf.DEFINE('HAVE_KRB5', '1')
 811             if conf.CONFIG_SET('HAVE_LDAP'):
 812                 conf.env['HAVE_ADS'] = '1'
 813         else:
 814             Logs.warn("krb5 libs don't have all features required for Active Directory support")
 815             conf.undefine('HAVE_KRB5_H')
 816             conf.undefine('HAVE_GSSAPI_H')
 817             conf.undefine('HAVE_GSSAPI_GSSAPI_GENERIC_H')
 818             conf.undefine('HAVE_GSSAPI_GSSAPI_H')
 819
 820     if Options.options.with_utmp:
 821         conf.env.with_utmp = True
 822         if not conf.CHECK_HEADERS('utmp.h'): conf.env.with_utmp = False
 823         conf.CHECK_FUNCS('pututline pututxline updwtmp updwtmpx getutmpx getutxent')
 824         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_name', headers='utmp.h',
 825                                     define='HAVE_UT_UT_NAME')
 826         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_user', headers='utmp.h',
 827                                     define='HAVE_UT_UT_USER')
 828         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_id', headers='utmp.h',
 829                                     define='HAVE_UT_UT_ID')
 830         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_host', headers='utmp.h',
 831                                     define='HAVE_UT_UT_HOST')
 832         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_time', headers='utmp.h',
 833                                     define='HAVE_UT_UT_TIME')
 834         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_tv', headers='utmp.h',
 835                                     define='HAVE_UT_UT_TV')
 836         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_type', headers='utmp.h',
 837                                     define='HAVE_UT_UT_TYPE')
 838         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_pid', headers='utmp.h',
 839                                     define='HAVE_UT_UT_PID')
 840         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_exit.e_exit', headers='utmp.h',
 841                                     define='HAVE_UT_UT_EXIT')
 842         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_addr_v6', headers='utmp.h',
 843                                     define='HAVE_UT_UT_ADDR_V6')
 844         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_addr', headers='utmp.h',
 845                                     define='HAVE_UT_UT_ADDR')
 846         conf.CHECK_STRUCTURE_MEMBER('struct utmpx', 'ut_syslen', headers='utmpx.h',
 847                                     define='HAVE_UX_UT_SYSLEN')
 848         conf.CHECK_CODE('struct utmp utarg; struct utmp *utreturn; utreturn = pututline(&utarg);',
 849                         'PUTUTLINE_RETURNS_UTMP', headers='utmp.h',
 850                         msg="Checking whether pututline returns pointer")
 851         if conf.env.with_utmp:
 852             conf.DEFINE('WITH_UTMP', 1)
 853
 854     if Options.options.with_avahi:
 855         conf.env.with_avahi = True
 856         if not conf.CHECK_HEADERS('avahi-common/watch.h avahi-client/client.h'): conf.env.with_avahi = False
 857         if not conf.CHECK_FUNCS_IN('avahi_client_new', 'avahi-client'): conf.env.with_avahi = False
 858         if not conf.CHECK_FUNCS_IN('avahi_strerror', 'avahi-common'): conf.env.with_avahi = False
 859         if conf.env.with_avahi:
 860             conf.DEFINE('WITH_AVAHI_SUPPORT', 1)
 861     else:
 862         conf.SET_TARGET_TYPE('avahi-common', 'EMPTY')
 863         conf.SET_TARGET_TYPE('avahi-client', 'EMPTY')
 864
 865     if Options.options.with_iconv:
 866         conf.env.with_iconv = True
 867         if not conf.CHECK_FUNCS_IN('iconv_open', 'iconv', headers='iconv.h'):
 868             conf.env.with_iconv = False
 869         if conf.env.with_iconv:
 870             conf.DEFINE('HAVE_ICONV', 1)
 871
 872     if Options.options.with_pam:
 873         use_pam=True
 874         conf.CHECK_HEADERS('security/pam_appl.h pam/pam_appl.h')
 875         if not conf.CONFIG_SET('HAVE_SECURITY_PAM_APPL_H') and not conf.CONFIG_SET('HAVE_PAM_PAM_APPL_H'):
 876             Logs.warn("--with-pam=yes but pam_appl.h not found")
 877             use_pam=False
 878         conf.CHECK_FUNCS_IN('pam_get_data', 'pam')
 879         conf.CHECK_HEADERS('security/pam_modules.h pam/pam_modules.h')
 880         if not conf.CONFIG_SET('HAVE_SECURITY_PAM_MODULES_H') and not conf.CONFIG_SET('HAVE_PAM_PAM_MODULES_H'):
 881             Logs.warn("--with-pam=yes but pam_modules.h not found")
 882             use_pam=False
 883         conf.CHECK_HEADERS('security/pam_ext.h security/_pam_macros.h')
 884         conf.CHECK_HEADERS('pam/pam_ext.h pam/_pam_macros.h')
 885         conf.CHECK_FUNCS_IN('pam_vsyslog', 'pam')
 886         conf.CHECK_CODE('''
 887 #if defined(HAVE_SECURITY_PAM_APPL_H)
 888 #include <security/pam_appl.h>
 889 #elif defined(HAVE_PAM_PAM_APPL_H)
 890 #include <pam/pam_appl.h>
 891 #endif
 892 pam_set_item(0, PAM_RHOST, 0);
 893 ''',
 894             'HAVE_PAM_RHOST',
 895             lib='pam',
 896             msg="Checking whether PAM_RHOST is available");
 897         conf.CHECK_CODE('''
 898 #if defined(HAVE_SECURITY_PAM_APPL_H)
 899 #include <security/pam_appl.h>
 900 #elif defined(HAVE_PAM_PAM_APPL_H)
 901 #include <pam/pam_appl.h>
 902 #endif
 903 pam_set_item(0, PAM_TTY, 0);
 904 ''',
 905             'HAVE_PAM_TTY',
 906             lib='pam',
 907             msg="Checking whether PAM_TTY is available");
 908         conf.CHECK_CODE('''
 909 #if (!defined(LINUX))
 910
 911 #define PAM_EXTERN extern
 912 #if defined(HAVE_SECURITY_PAM_APPL_H)
 913 #include <security/pam_appl.h>
 914 #elif defined(HAVE_PAM_PAM_APPL_H)
 915 #include <pam/pam_appl.h>
 916 #endif
 917
 918 #endif
 919
 920 #if defined(HAVE_SECURITY_PAM_MODULES_H)
 921 #include <security/pam_modules.h>
 922 #elif defined(HAVE_PAM_PAM_MODULES_H)
 923 #include <pam/pam_modules.h>
 924 #endif
 925
 926 #if defined(HAVE_SECURITY__PAM_MACROS_H)
 927 #include <security/_pam_macros.h>
 928 #elif defined(HAVE_PAM__PAM_MACROS_H)
 929 #include <pam/_pam_macros.h>
 930 #endif
 931
 932 #ifdef HAVE_SECURITY_PAM_EXT_H
 933 #include <security/pam_ext.h>
 934 #endif
 935
 936 int i; i = PAM_RADIO_TYPE;
 937 ''',
 938             'HAVE_PAM_RADIO_TYPE',
 939             lib='pam',
 940             msg="Checking whether PAM_RADIO_TYPE is available");
 941         if use_pam:
 942             conf.DEFINE('WITH_PAM', 1)
 943             conf.DEFINE('WITH_PAM_MODULES', 1)
 944
 945     seteuid = False
 946     if not seteuid:
 947         seteuid = conf.CHECK_CODE('''
 948                                 #define AUTOCONF_TEST 1
 949                                 #define USE_SETREUID 1
 950                                 #include "./lib/util_sec.c"
 951                                 ''',
 952                                 'USE_SETREUID',
 953                                 addmain=False,
 954                                 execute=True,
 955                                 msg="Checking whether setreuid is available")
 956     if not seteuid:
 957         seteuid = conf.CHECK_CODE('''
 958                                 #define AUTOCONF_TEST 1
 959                                 #define USE_SETRESUID 1
 960                                 #include "./lib/util_sec.c"
 961                                 ''',
 962                                 'USE_SETRESUID',
 963                                 addmain=False,
 964                                 execute=True,
 965                                 msg="Checking whether setresuid is available")
 966     if not seteuid:
 967         seteuid = conf.CHECK_CODE('''
 968                                 #define AUTOCONF_TEST 1
 969                                 #define USE_SETEUID 1
 970                                 #include "./lib/util_sec.c"
 971                                 ''',
 972                                 'USE_SETEUID',
 973                                 addmain=False,
 974                                 execute=True,
 975                                 msg="Checking whether seteuid is available")
 976     if not seteuid:
 977         seteuid = conf.CHECK_CODE('''
 978                                 #define AUTOCONF_TEST 1
 979                                 #define USE_SETUIDX 1
 980                                 #include "./lib/util_sec.c"
 981                                 ''',
 982                                 'USE_SETUIDX',
 983                                 addmain=False,
 984                                 execute=True,
 985                                 mandatory=True,
 986                                 msg="Checking whether setuidx is available")
 987     if Options.options.with_dnsupdate:
 988         conf.CHECK_HEADERS('uuid/uuid.h')
 989         conf.CHECK_FUNCS_IN('uuid_generate', 'uuid')
 990         if not conf.CONFIG_SET('HAVE_UUID_UUID_H') and not conf.CONFIG_SET('HAVE_UUID_GENERATE'):
 991             Logs.warn("--with-dnsupdate=yes but uuid support not sufficient")
 992         elif not conf.CONFIG_SET('HAVE_KRB5'):
 993             Logs.warn("--with-dnsupdate=yes but gssapi support not sufficient")
 994         else:
 995             conf.DEFINE('WITH_DNS_UPDATES', 1)
 996     else:
 997         conf.SET_TARGET_TYPE('uuid', 'EMPTY')
 998     conf.CHECK_HEADERS('valgrind.h valgrind/valgrind.h valgrind/memcheck.h')
 999     if Options.options.developer:
1000         if conf.CONFIG_SET('HAVE_VALGRIND_H') or conf.CONFIG_SET('HAVE_VALGRIND_VALGRIND_H'):
1001             conf.DEFINE('VALGRIND', '1')
1002
1003     if conf.CHECK_CODE('''
1004 #include <bits/sockaddr.h>
1005 #include <linux/netlink.h>
1006 ''',
1007                 'HAVE_LINUX_NETLINK_H',
1008                 msg="Checking whether Linux netlink is available"):
1009         conf.CHECK_CODE('''
1010 #include <bits/sockaddr.h>
1011 #include <linux/netlink.h>
1012 #include <linux/rtnetlink.h>
1013 ''',
1014                 'HAVE_LINUX_RTNETLINK_H',
1015                 msg='Checking whether Linux rtnetlink is available')
1016     if conf.CHECK_TYPE('struct dirent64', headers='sys/types.h dirent.h') and conf.CONFIG_SET('HAVE_READDIR64'):
1017         conf.DEFINE('HAVE_STRUCT_DIRENT64', '1')
1018     else:
1019         conf.undefine('HAVE_STRUCT_DIRENT64')
1020
1021     conf.CHECK_CODE('''
1022 #include "../tests/fcntl_lock.c"
1023 ''',
1024                 'HAVE_FCNTL_LOCK',
1025                 addmain=False,
1026                 execute=True,
1027                 msg='Checking whether fcntl locking is available')
1028
1029     conf.CHECK_CODE('''
1030 #include "../tests/fcntl_lock64.c"
1031 ''',
1032                 'HAVE_BROKEN_FCNTL64_LOCKS',
1033                 addmain=False,
1034                 execute=True,
1035                 msg='Checking whether fcntl64 locks are broken')
1036
1037     if not conf.CONFIG_SET('HAVE_BROKEN_FCNTL64_LOCKS'):
1038         conf.CHECK_CODE('''
1039 #if defined(HAVE_UNISTD_H)
1040 #include <unistd.h>
1041 #endif
1042 #include <stdio.h>
1043 #include <stdlib.h>
1044
1045 #ifdef HAVE_FCNTL_H
1046 #include <fcntl.h>
1047 #endif
1048
1049 #ifdef HAVE_SYS_FCNTL_H
1050 #include <sys/fcntl.h>
1051 #endif
1052 main() { struct flock64 fl64;
1053 #if defined(F_SETLKW64) && defined(F_SETLK64) && defined(F_GETLK64)
1054 exit(0);
1055 #else
1056 exit(1);
1057 #endif
1058 }
1059 ''',
1060                 'HAVE_STRUCT_FLOCK64',
1061                 addmain=False,
1062                 execute=True,
1063                 msg="Checking whether the flock64 struct is available")
1064
1065     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_mtim.tv_nsec',
1066                                 define='HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC') # Linux, Solaris
1067     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_mtimensec',
1068                                 define='HAVE_STRUCT_STAT_ST_MTIMENSEC') # BSD, if defined _POSIX_SOURCE
1069     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_mtimespec.tv_nsec',
1070                                 define='HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC') # BSD, if not defined _POSIX_SOURCE
1071     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_mtime_n',
1072                                 define='HAVE_STRUCT_STAT_ST_MTIME_N') # AIX
1073     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_umtime',
1074                                 define='HAVE_STRUCT_STAT_ST_UMTIME') # Tru64
1075     if conf.CONFIG_SET('HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC') or \
1076        conf.CONFIG_SET('HAVE_STRUCT_STAT_ST_MTIMENSEC') or \
1077        conf.CONFIG_SET('HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC') or \
1078        conf.CONFIG_SET('HAVE_STRUCT_STAT_ST_MTIME_N') or \
1079        conf.CONFIG_SET('HAVE_STRUCT_STAT_ST_UMTIME'):
1080         conf.DEFINE('HAVE_STAT_HIRES_TIMESTAMPS', '1')
1081
1082     # recent FreeBSD, NetBSD have creation timestamps called birthtime:
1083     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_birthtime',
1084                                 define='HAVE_STRUCT_STAT_ST_BIRTHTIME')
1085     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_birthtimespec.tv_nsec',
1086                                 define='HAVE_STRUCT_STAT_ST_BIRTHTIMESPEC_TV_NSEC')
1087     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_birthtimensec',
1088                                 define='HAVE_STRUCT_STAT_ST_BIRTHTIMENSEC')
1089
1090     conf.CHECK_CODE('''
1091 ssize_t err = posix_fadvise(0,0,0x80000,POSIX_FADV_WILLNEED);
1092 ''',
1093                 'HAVE_POSIX_FADVISE',
1094                 msg='Checking whether posix_fadvise is available',
1095                 headers='unistd.h fcntl.h')
1096
1097     for v in ['_SC_NGROUPS_MAX', '_SC_NPROC_ONLN', '_SC_NPROCESSORS_ONLN', '_SC_PAGESIZE' ]:
1098         conf.CHECK_CODE('''
1099                         #include <unistd.h>
1100                         return sysconf(%s) == -1 ? 1 : 0;
1101                         ''' % v,
1102                         'SYSCONF%s' % v,
1103                         msg='Checking whether sysconf(%s) is available' % v)
1104
1105     conf.CHECK_DECLS('__NR_inotify_init', reverse=True, headers='asm/unistd.h')
1106
1107     conf.CHECK_CODE('''
1108 #include <sys/syscall.h>
1109 #include <unistd.h>
1110 syscall(SYS_initgroups, 16, NULL, NULL, 0);
1111                     ''',
1112                     'HAVE_DARWIN_INITGROUPS',
1113                     msg='Checking whether to use the Darwin-specific initgroups system call')
1114
1115     conf.CHECK_CODE('''struct utimbuf tbuf;  tbuf.actime = 0; tbuf.modtime = 1; exit(utime("foo.c",&tbuf));''',
1116                     'HAVE_UTIMBUF',
1117                     headers='sys/types.h utime.h',
1118                     msg='Checking whether struct utimbuf is available')
1119
1120     if conf.CHECK_CODE('''struct sigevent s;''',
1121                     'HAVE_STRUCT_SIGEVENT',
1122                     headers='sys/types.h stdlib.h stddef.h signal.h',
1123                     msg='Checking whether we have the struct sigevent'):
1124         conf.CHECK_STRUCTURE_MEMBER('struct sigevent', 'sigev_value.sival_ptr',
1125                                     define='HAVE_STRUCT_SIGEVENT_SIGEV_VALUE_SIVAL_PTR',
1126                                     headers='signal.h');
1127         conf.CHECK_STRUCTURE_MEMBER('struct sigevent', 'sigev_value.sigval_ptr',
1128                                     define='HAVE_STRUCT_SIGEVENT_SIGEV_VALUE_SIGVAL_PTR',
1129                                     headers='signal.h');
1130
1131     if os.path.exists('/proc/sys/kernel/core_pattern'):
1132         conf.DEFINE('HAVE_SYS_KERNEL_PROC_CORE_PATTERN', '1')
1133
1134     if conf.CHECK_CODE('''
1135 #include <time.h>
1136 main() {
1137         struct tm *tm;
1138         if (sizeof(time_t) == 8) {
1139                 time_t max_time = 0x7fffffffffffffffll;
1140                 tm = gmtime(&max_time);
1141                 /* This should fail with 32-bit tm_year. */
1142                 if (tm == NULL) {
1143                         /* Max time_t that works with 32-bit int tm_year in struct tm. */
1144                         max_time = 67768036191676799ll;
1145                         tm = gmtime(&max_time);
1146                         if (tm) {
1147                                 exit(0);
1148                         }
1149                 }
1150         }
1151         exit(1);
1152 }''',
1153         '__TIME_T_MAX',
1154         addmain=False,
1155         execute=True,
1156         msg="Checking for the maximum value of the 'time_t' type"):
1157             conf.DEFINE('TIME_T_MAX', '67768036191676799ll')
1158
1159     conf.CHECK_CODE('''
1160 #if defined(HAVE_UNISTD_H)
1161 #include <unistd.h>
1162 #endif
1163 #include <sys/types.h>
1164 main() { dev_t dev = makedev(1,2); return 0; }
1165 ''',
1166         'HAVE_MAKEDEV',
1167         addmain=False,
1168         msg='Checking whether the macro for makedev is available')
1169
1170     conf.CHECK_CODE('''
1171 #include <stdio.h>
1172 #include <limits.h>
1173 #include <signal.h>
1174
1175 void exit_on_core(int ignored) {
1176         exit(1);
1177 }
1178
1179 main() {
1180         char *newpath;
1181         signal(SIGSEGV, exit_on_core);
1182         newpath = realpath("/tmp", NULL);
1183         exit((newpath != NULL) ? 0 : 1);
1184 }
1185 ''',
1186         'REALPATH_TAKES_NULL',
1187         addmain=False,
1188         execute=True,
1189         msg='Checking whether the realpath function allows a NULL argument')
1190
1191     conf.CHECK_CODE('''#include "../tests/ftruncate.c"''',
1192                     'HAVE_FTRUNCATE_EXTEND',
1193                     msg='Checking for ftruncate extend',
1194                     addmain=False,
1195                     execute=True)
1196     if os.getenv('RUN_FROM_BUILD_FARM'):
1197         Logs.info("enabling buildfarm hacks")
1198         conf.DEFINE('ENABLE_BUILD_FARM_HACKS', '1')
1199
1200     if Options.options.with_sendfile_support:
1201         if (host_os.rfind('linux') > -1) or (host_os.rfind('gnu') > -1) or (host_os.rfind('k*bsd*-gnu') > -1) or (host_os.rfind('kopensolaris*-gnu') > -1):
1202             conf.CHECK_CODE('''
1203                             int tofd, fromfd;
1204                             off64_t offset;
1205                             size_t total;
1206                             ssize_t nwritten = sendfile64(tofd, fromfd, &offset, total);
1207                             ''',
1208                             '_HAVE_SENDFILE64',
1209                             headers='sys/sendfile',
1210                             msg='Checking for linux sendfile64 support')
1211             conf.CHECK_CODE('''
1212                             int tofd, fromfd;
1213                             off_t offset;
1214                             size_t total;
1215                             ssize_t nwritten = sendfile(tofd, fromfd, &offset, total);
1216                             ''',
1217                             '_HAVE_SENDFILE',
1218                             headers='sys/sendfile',
1219                             msg='Checking for linux sendfile support')
1220
1221             # Try and cope with broken Linux sendfile....
1222             conf.CHECK_CODE('''#if defined(_FILE_OFFSET_BITS) && (_FILE_OFFSET_BITS == 64)
1223                             #undef _FILE_OFFSET_BITS
1224                             #endif
1225                             #include <sys/sendfile.h>
1226                             int tofd, fromfd;
1227                             off_t offset;
1228                             size_t total;
1229                             ssize_t nwritten = sendfile(tofd, fromfd, &offset, total);
1230                             ''',
1231                             '_HAVE_BROKEN_LINUX_SENDFILE',
1232                             msg='Checking for broken linux sendfile support')
1233             if conf.CONFIG_SET('_HAVE_SENDFILE64'):
1234                 conf.DEFINE('HAVE_SENDFILE64', '1')
1235                 conf.DEFINE('LINUX_SENDFILE_API', '1')
1236                 conf.DEFINE('WITH_SENDFILE', '1')
1237             elif conf.CONFIG_SET('_HAVE_SENDFILE'):
1238                 conf.DEFINE('HAVE_SENDFILE', '1')
1239                 conf.DEFINE('LINUX_SENDFILE_API', '1')
1240                 conf.DEFINE('WITH_SENDFILE', '1')
1241             elif conf.CONFIG_SET('_HAVE_BROKEN_LINUX_SENDFILE'):
1242                 conf.DEFINE('LINUX_BROKEN_SENDFILE_API', '1')
1243                 conf.DEFINE('WITH_SENDFILE', '1')
1244         elif (host_os.rfind('freebsd') > -1) or (host_os.rfind('dragonfly') > -1):
1245             conf.CHECK_CODE('''
1246                             #include <sys/types.h>
1247                             #include <unistd.h>
1248                             #include <sys/socket.h>
1249                             #include <sys/uio.h>
1250                             int fromfd, tofd, ret, total=0;
1251                             off_t offset, nwritten;
1252                             struct sf_hdtr hdr;
1253                             struct iovec hdtrl;
1254                             hdr.headers = &hdtrl;
1255                             hdr.hdr_cnt = 1;
1256                             hdr.trailers = NULL;
1257                             hdr.trl_cnt = 0;
1258                             hdtrl.iov_base = NULL;
1259                             hdtrl.iov_len = 0;
1260                             ret = sendfile(fromfd, tofd, offset, total, &hdr, &nwritten, 0)
1261                             ''',
1262                             '_HAVE_SENDFILE',
1263                             msg='Checking for freebsd sendfile support')
1264             if conf.CONFIG_SET('_HAVE_SENDFILE'):
1265                 conf.DEFINE('HAVE_SENDFILE', '1')
1266                 conf.DEFINE('FREEBSD_SENDFILE_API', '1')
1267                 conf.DEFINE('WITH_SENDFILE', '1')
1268         elif (host_os.rfind('hpux') > -1):
1269             conf.CHECK_CODE('''
1270                             #include <sys/socket.h>
1271                             #include <sys/uio.h>
1272                             int fromfd, tofd;
1273                             size_t total=0;
1274                             struct iovec hdtrl[2];
1275                             ssize_t nwritten;
1276                             off64_t offset;
1277                             hdtrl[0].iov_base = 0;
1278                             hdtrl[0].iov_len = 0;
1279                             nwritten = sendfile64(tofd, fromfd, offset, total, &hdtrl[0], 0);
1280                             ''',
1281                             '_HAVE_SENDFILE64',
1282                             msg='Checking for hpux sendfile64 support')
1283             conf.CHECK_CODE('''
1284                             #include <sys/socket.h>
1285                             #include <sys/uio.h>
1286                             int fromfd, tofd;
1287                             size_t total=0;
1288                             struct iovec hdtrl[2];
1289                             ssize_t nwritten;
1290                             off_t offset;
1291                             hdtrl[0].iov_base = 0;
1292                             hdtrl[0].iov_len = 0;
1293                             nwritten = sendfile(tofd, fromfd, offset, total, &hdtrl[0], 0);
1294                             ''',
1295                             '_HAVE_SENDFILE',
1296                             msg='Checking for hpux sendfile support')
1297             if conf.CONFIG_SET('_HAVE_SENDFILE64'):
1298                 conf.DEFINE('HAVE_SENDFILE64', '1')
1299                 conf.DEFINE('HPUX_SENDFILE_API', '1')
1300                 conf.DEFINE('WITH_SENDFILE', '1')
1301             elif conf.CONFIG_SET('_HAVE_SENDFILE'):
1302                 conf.DEFINE('HAVE_SENDFILE', '1')
1303                 conf.DEFINE('HPUX_SENDFILE_API', '1')
1304                 conf.DEFINE('WITH_SENDFILE', '1')
1305         elif (host_os.rfind('solaris') > -1):
1306             conf.CHECK_FUNCS_IN('sendfile', 'sendfilev')
1307             conf.CHECK_CODE('''
1308                             #include <sys/sendfile.h>
1309                             int sfvcnt;
1310                             size_t xferred;
1311                             struct sendfilevec vec[2];
1312                             ssize_t nwritten;
1313                             int tofd;
1314                             sfvcnt = 2;
1315                             vec[0].sfv_fd = SFV_FD_SELF;
1316                             vec[0].sfv_flag = 0;
1317                             vec[0].sfv_off = 0;
1318                             vec[0].sfv_len = 0;
1319                             vec[1].sfv_fd = 0;
1320                             vec[1].sfv_flag = 0;
1321                             vec[1].sfv_off = 0;
1322                             vec[1].sfv_len = 0;
1323                             nwritten = sendfilev64(tofd, vec, sfvcnt, &xferred);
1324                             ''',
1325                             '_HAVE_SENDFILEV64',
1326                             msg='Checking for solaris sendfilev64 support')
1327             conf.CHECK_CODE('''
1328                             #include <sys/sendfile.h>,
1329                             int sfvcnt;
1330                             size_t xferred;
1331                             struct sendfilevec vec[2];
1332                             ssize_t nwritten;
1333                             int tofd;
1334                             sfvcnt = 2;
1335                             vec[0].sfv_fd = SFV_FD_SELF;
1336                             vec[0].sfv_flag = 0;
1337                             vec[0].sfv_off = 0;
1338                             vec[0].sfv_len = 0;
1339                             vec[1].sfv_fd = 0;
1340                             vec[1].sfv_flag = 0;
1341                             vec[1].sfv_off = 0;
1342                             vec[1].sfv_len = 0;
1343                             nwritten = sendfilev(tofd, vec, sfvcnt, &xferred);
1344                             ''',
1345                             '_HAVE_SENDFILEV',
1346                             msg='Checking for solaris sendfilev support')
1347             if conf.CONFIG_SET('_HAVE_SENDFILEV64'):
1348                 conf.DEFINE('HAVE_SENDFILEV64', '1')
1349                 conf.DEFINE('SOLARIS_SENDFILE_API', '1')
1350                 conf.DEFINE('WITH_SENDFILE', '1')
1351             elif conf.CONFIG_SET('_HAVE_SENDFILEV'):
1352                 conf.DEFINE('HAVE_SENDFILEV', '1')
1353                 conf.DEFINE('SOLARIS_SENDFILE_API', '1')
1354                 conf.DEFINE('WITH_SENDFILE', '1')
1355         elif (host_os.rfind('aix') > -1):
1356             conf.CHECK_CODE('''
1357                             #include <sys/socket.h>
1358                             int fromfd, tofd;
1359                             size_t total=0;
1360                             struct sf_parms hdtrl;
1361                             ssize_t nwritten;
1362                             off64_t offset;
1363                             hdtrl.header_data = 0;
1364                             hdtrl.header_length = 0;
1365                             hdtrl.file_descriptor = fromfd;
1366                             hdtrl.file_offset = 0;
1367                             hdtrl.file_bytes = 0;
1368                             hdtrl.trailer_data = 0;
1369                             hdtrl.trailer_length = 0;
1370                             nwritten = send_file(&tofd, &hdtrl, 0);
1371                             ''',
1372                             '_HAVE_SENDFILE',
1373                             msg='Checking for AIX send_file support')
1374             if conf.CONFIG_SET('_HAVE_SENDFILE'):
1375                 conf.DEFINE('HAVE_SENDFILE', '1')
1376                 conf.DEFINE('AIX_SENDFILE_API', '1')
1377                 conf.DEFINE('WITH_SENDFILE', '1')
1378
1379     # Check for getcwd allowing a NULL arg.
1380     conf.CHECK_CODE('''
1381 #include <unistd.h>
1382 main() {
1383         char *s = getcwd(NULL,0);
1384         exit(s != NULL ?  0 : 1);
1385 }''', 'GETCWD_TAKES_NULL', addmain=False, execute=True,
1386         msg="getcwd takes a NULL argument")
1387
1388
1389     # UnixWare 7.x has its getspnam in -lgen
1390     conf.CHECK_FUNCS_IN('getspnam', 'gen')
1391     conf.CHECK_FUNCS_IN('getspnam', 'security')
1392     conf.CHECK_FUNCS_IN('getspnam', 'sec')
1393
1394     if Options.options.with_quotas:
1395         # For quotas on Veritas VxFS filesystems
1396         conf.CHECK_HEADERS('sys/fs/vx_quota.h')
1397         # For quotas on Linux XFS filesystems
1398         conf.CHECK_HEADERS('linux/dqblk_xfs.h')
1399         # For sys/quota.h and linux/quota.h
1400         conf.CHECK_HEADERS('sys/quota.h')
1401
1402
1403     #
1404     # checking for clustering extensions (CTDB)
1405     #
1406     if not Options.options.with_cluster_support:
1407         have_cluster_support = False
1408
1409     else:
1410
1411         if Options.options.ctdb_dir:
1412             conf.ADD_EXTRA_INCLUDES(Options.options.ctdb_dir + '/include')
1413
1414         srcdir = os.path.realpath(conf.srcdir)
1415         if 'EXTRA_INCLUDES' in conf.env:
1416             includes = ' '.join(conf.env['EXTRA_INCLUDES']).replace('#', srcdir + '/')
1417         else:
1418             includes = ''
1419
1420         have_cluster_support = True
1421         ctdb_broken = ""
1422
1423         conf.CHECK_CODE('''
1424             #define NO_CONFIG_H
1425             #include "replace.h"
1426             #include "system/wait.h"
1427             #include "system/network.h"
1428             #define private #error __USED_RESERVED_WORD_private__
1429             #include <talloc.h>
1430             #include <tdb.h>
1431             #include <ctdb.h>
1432
1433             int main(void)
1434             {
1435                 return 0;
1436             }
1437             ''',
1438             'HAVE_CTDB_H',
1439             addmain=False,
1440             includes=includes,
1441             msg='Checking for header ctdb.h')
1442
1443         if not conf.CONFIG_SET('HAVE_CTDB_H'):
1444             have_cluster_support = False
1445             ctdb_broken = "ctdb.h is required for cluster support"
1446
1447         if have_cluster_support:
1448             conf.CHECK_CODE('''
1449                 #define NO_CONFIG_H
1450                 #include "replace.h"
1451                 #include "system/wait.h"
1452                 #include "system/network.h"
1453                 #define private #error __USED_RESERVED_WORD_private__
1454                 #include <talloc.h>
1455                 #include <tdb.h>
1456                 #include <ctdb.h>
1457                 #include <ctdb_private.h>
1458
1459                 int main(void)
1460                 {
1461                     return 0;
1462                 }
1463                 ''',
1464                 'HAVE_CTDB_PRIVATE_H',
1465                 addmain=False,
1466                 includes=includes,
1467                 msg='Checking for header ctdb_private.h')
1468
1469             if not conf.CONFIG_SET('HAVE_CTDB_PRIVATE_H'):
1470                 have_cluster_support = False
1471                 ctdb_broken = "ctdb_private.h is required for cluster support"
1472
1473         if have_cluster_support:
1474             conf.CHECK_CODE('''
1475                 #define NO_CONFIG_H
1476                 #include "replace.h"
1477                 #include "system/wait.h"
1478                 #include "system/network.h"
1479                 #include <talloc.h>
1480                 #include <tdb.h>
1481                 #include <ctdb.h>
1482                 #include <ctdb_private.h>
1483
1484                 int main(void)
1485                 {
1486                    int i = (int)CTDB_CONTROL_TRANS3_COMMIT;
1487                    return 0;
1488                 }
1489                 ''',
1490                 'HAVE_CTDB_CONTROL_TRANS3_COMMIT_DECL',
1491                 addmain=False,
1492                 includes=includes,
1493                 msg='Checking for transaction support (TRANS3_COMMIT control)')
1494
1495             if not conf.CONFIG_SET('HAVE_CTDB_CONTROL_TRANS3_COMMIT_DECL'):
1496                 have_cluster_support = False
1497                 ctdb_broken = "ctdb transaction support missing or too old"
1498
1499         if have_cluster_support:
1500             conf.CHECK_CODE('''
1501                 #define NO_CONFIG_H
1502                 #include "replace.h"
1503                 #include "system/wait.h"
1504                 #include "system/network.h"
1505                 #include <talloc.h>
1506                 #include <tdb.h>
1507                 #include <ctdb.h>
1508                 #include <ctdb_private.h>
1509
1510                 int main(void)
1511                 {
1512                     int i = (int)CTDB_CONTROL_SCHEDULE_FOR_DELETION;
1513                     return 0;
1514                 }
1515                 ''',
1516                 'HAVE_CTDB_CONTROL_SCHEDULE_FOR_DELETION_DECL',
1517                 addmain=False,
1518                 includes=includes,
1519                 msg='Checking for SCHEDULE_FOR_DELETION control')
1520
1521             if not conf.CONFIG_SET('HAVE_CTDB_CONTROL_SCHEDULE_FOR_DELETION_DECL'):
1522                 if not Options.options.enable_old_ctdb:
1523                     have_cluster_support = False
1524                     ctdb_broken = "SCHEDULE_FOR_DELETION control missing"
1525                 else:
1526                     Logs.warn("ignoring missing SCHEDULE_FOR_DELETION control (--enable-old-ctdb)")
1527
1528         if have_cluster_support:
1529             conf.CHECK_CODE('''
1530                 #define NO_CONFIG_H
1531                 #include "replace.h"
1532                 #include "system/wait.h"
1533                 #include "system/network.h"
1534                 #include <talloc.h>
1535                 #include <tdb.h>
1536                 #include <ctdb.h>
1537                 #include <ctdb_private.h>
1538
1539                 int main(void)
1540                 {
1541                     struct ctdb_control_tcp _x;
1542                     return 0;
1543                 }
1544                 ''',
1545                 'HAVE_STRUCT_CTDB_CONTROL_TCP',
1546                 addmain=False,
1547                 includes=includes,
1548                 msg='Checking for ctdb ipv4 support')
1549
1550             if not conf.CONFIG_SET('HAVE_STRUCT_CTDB_CONTROL_TCP'):
1551                 have_cluster_support = False
1552                 ctdb_broken = "missing struct ctdb_control_tcp"
1553
1554         if have_cluster_support:
1555             conf.CHECK_CODE('''
1556                 #define NO_CONFIG_H
1557                 #include "replace.h"
1558                 #include "system/wait.h"
1559                 #include "system/network.h"
1560                 #include <talloc.h>
1561                 #include <tdb.h>
1562                 #include <ctdb.h>
1563                 #include <ctdb_private.h>
1564
1565                 int main(void)
1566                 {
1567                     struct ctdb_control_tcp_addr _x;
1568                     return 0;
1569                 }
1570                 ''',
1571                 'HAVE_STRUCT_CTDB_CONTROL_TCP_ADDR',
1572                 addmain=False,
1573                 includes=includes,
1574                 msg='Checking for ctdb ipv6 support')
1575
1576         if have_cluster_support:
1577             conf.CHECK_CODE('''
1578                 #define NO_CONFIG_H
1579                 #include "replace.h"
1580                 #include "system/wait.h"
1581                 #include "system/network.h"
1582                 #include <talloc.h>
1583                 #include <tdb.h>
1584                 #include <ctdb.h>
1585                 #include <ctdb_private.h>
1586
1587                 int main(void)
1588                 {
1589                     int i = (int)CTDB_CONTROL_CHECK_SRVIDS;
1590                     return 0;
1591                 }
1592                 ''',
1593                 'HAVE_CTDB_CONTROL_CHECK_SRVIDS_DECL',
1594                 addmain=False,
1595                 includes=includes,
1596                 msg='Checking for CHECK_SRVIDS control')
1597
1598             if not conf.CONFIG_SET('HAVE_CTDB_CONTROL_CHECK_SRVIDS_DECL'):
1599                 if not Options.options.enable_old_ctdb:
1600                     have_cluster_support = False
1601                     ctdb_broken = "CHECK_SRVIDS control missing"
1602                 else:
1603                     Logs.warn("ignoring missing CHECK_SRVIDS control (--enable-old-ctdb)")
1604
1605     if have_cluster_support:
1606         Logs.info("building with cluster support")
1607         conf.DEFINE('CLUSTER_SUPPORT', 1);
1608     else:
1609         if not Options.options.with_cluster_support:
1610             Logs.info("building without cluster support")
1611         else:
1612             Logs.warn("building without cluster support: " + ctdb_broken)
1613         conf.undefine('CLUSTER_SUPPORT')
1614
1615
1616
1617     conf.CHECK_CODE('__attribute__((destructor)) static void cleanup(void) { }',
1618                     'HAVE_FUNCTION_ATTRIBUTE_DESTRUCTOR',
1619                     addmain=False,
1620                     link=False,
1621                     msg='Checking whether we can compile with __attribute__((destructor))')
1622
1623     conf.CHECK_CODE('void seekdir(DIR *d, long loc) { return; }',
1624                     'SEEKDIR_RETURNS_VOID',
1625                     headers='sys/types.h dirent.h',
1626                     msg='Checking whether seekdir returns void')
1627
1628     if Options.options.with_profiling_data:
1629         conf.DEFINE('WITH_PROFILE', 1);
1630
1631     PTHREAD_CFLAGS='error'
1632     PTHREAD_LDFLAGS='error'
1633
1634     if PTHREAD_LDFLAGS == 'error':
1635         if conf.CHECK_FUNCS_IN('pthread_attr_init', 'pthread'):
1636             PTHREAD_CFLAGS='-D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS'
1637             PTHREAD_LDFLAGS='-lpthread'
1638     if PTHREAD_LDFLAGS == 'error':
1639         if conf.CHECK_FUNCS_IN('pthread_attr_init', 'pthreads'):
1640             PTHREAD_CFLAGS='-D_THREAD_SAFE'
1641             PTHREAD_LDFLAGS='-lpthreads'
1642     if PTHREAD_LDFLAGS == 'error':
1643         if conf.CHECK_FUNCS_IN('pthread_attr_init', 'c_r'):
1644             PTHREAD_CFLAGS='-D_THREAD_SAFE -pthread'
1645             PTHREAD_LDFLAGS='-pthread'
1646     if PTHREAD_LDFLAGS == 'error':
1647         if conf.CHECK_FUNC('pthread_attr_init'):
1648             PTHREAD_CFLAGS='-D_REENTRANT'
1649             PTHREAD_LDFLAGS='-lpthread'
1650     # especially for HP-UX, where the CHECK_FUNC macro fails to test for
1651     # pthread_attr_init. On pthread_mutex_lock it works there...
1652     if PTHREAD_LDFLAGS == 'error':
1653         if conf.CHECK_FUNCS_IN('pthread_mutex_lock', 'pthread'):
1654             PTHREAD_CFLAGS='-D_REENTRANT'
1655             PTHREAD_LDFLAGS='-lpthread'
1656
1657     if PTHREAD_CFLAGS != 'error' and PTHREAD_LDFLAGS != 'error':
1658         conf.ADD_CFLAGS(PTHREAD_CFLAGS)
1659         conf.ADD_LDFLAGS(PTHREAD_LDFLAGS)
1660         conf.CHECK_HEADERS('pthread.h')
1661         conf.DEFINE('HAVE_PTHREAD', '1')
1662
1663     if Options.options.with_pthreadpool:
1664         if conf.CONFIG_SET('HAVE_PTHREAD'):
1665             conf.DEFINE('WITH_PTHREADPOOL', '1')
1666         else:
1667             Logs.warn("pthreadpool support cannot be enabled when pthread support was not found")
1668             conf.undefine('WITH_PTHREADPOOL')
1669
1670     if conf.CHECK_HEADERS('gpfs_gpl.h'):
1671         conf.DEFINE('HAVE_GPFS', '1')
1672
1673     # Note that all charset 'modules' must actually be static, due to dependency loop issues
1674     # if we include the module loader in iconv
1675
1676     default_static_modules=TO_LIST('''pdb_smbpasswd pdb_tdbsam pdb_wbc_sam
1677                                       auth_sam auth_unix auth_winbind auth_wbc auth_server
1678                                       auth_domain auth_builtin vfs_default
1679                                       nss_info_template idmap_tdb idmap_passdb
1680                                       idmap_nss''')
1681
1682     default_shared_modules=TO_LIST('''vfs_recycle vfs_audit vfs_extd_audit vfs_full_audit vfs_netatalk
1683                                       vfs_fake_perms vfs_default_quota vfs_readonly vfs_cap
1684                                       vfs_expand_msdfs vfs_shadow_copy vfs_shadow_copy2
1685                                       auth_script vfs_readahead vfs_xattr_tdb
1686                                       vfs_streams_xattr vfs_streams_depot vfs_acl_xattr vfs_acl_tdb
1687                                       vfs_smb_traffic_analyzer vfs_preopen vfs_catia vfs_scannedonly
1688                                       vfs_crossrename vfs_linux_xfs_sgid
1689                                       vfs_time_audit idmap_autorid''')
1690
1691     if Options.options.developer:
1692         default_static_modules.extend(TO_LIST('pdb_ads auth_netlogond charset_weird'))
1693         default_shared_modules.extend(TO_LIST('perfcount_test'))
1694         default_shared_modules.extend(TO_LIST('vfs_skel_opaque vfs_skel_transparent vfs_shadow_copy_test'))
1695         default_shared_modules.extend(TO_LIST('auth_skel pdb_test'))
1696
1697     default_static_modules.extend(TO_LIST('pdb_samba4 auth_samba4 vfs_dfs_samba4'))
1698
1699     if Options.options.with_acl_support and conf.CONFIG_SET('HAVE_POSIX_ACLS'):
1700         default_static_modules.extend(TO_LIST('vfs_posixacl'))
1701
1702     if conf.CONFIG_SET('HAVE_FREEBSD_SUNACL_H'):
1703         default_shared_modules.extend(TO_LIST('vfs_zfsacl'))
1704
1705     if conf.CONFIG_SET('HAVE_DIRFD_DECL'):
1706         default_shared_modules.extend(TO_LIST('vfs_syncops vfs_dirsort'))
1707
1708     if conf.CONFIG_SET('HAVE_STATFS_F_FSID'):
1709         default_shared_modules.extend(TO_LIST('vfs_fileid'))
1710
1711     if conf.CONFIG_SET('HAVE_AIO') and (conf.CONFIG_SET('HAVE_MSGHDR_MSG_CONTROL') or conf.CONFIG_SET('HAVE_MSGHDR_MSG_ACCTRIGHTS')):
1712         default_shared_modules.extend(TO_LIST('vfs_aio_fork'))
1713
1714     if conf.CONFIG_SET('HAVE_AIO') and Options.options.with_pthreadpool:
1715         default_shared_modules.extend(TO_LIST('vfs_aio_pthread'))
1716
1717     if conf.CONFIG_SET('HAVE_LDAP'):
1718         default_static_modules.extend(TO_LIST('pdb_ldap idmap_ldap'))
1719
1720     if conf.CONFIG_SET('DARWINOS'):
1721         default_static_modules.extend(TO_LIST('charset_macosxfs'))
1722
1723     if conf.CONFIG_SET('HAVE_GPFS'):
1724         default_shared_modules.extend(TO_LIST('vfs_gpfs vfs_gpfs_hsm_notify'))
1725
1726     explicit_shared_modules = TO_LIST(Options.options.shared_modules, delimiter=',')
1727     explicit_static_modules = TO_LIST(Options.options.static_modules, delimiter=',')
1728
1729     final_static_modules = default_static_modules
1730     final_shared_modules = default_shared_modules
1731
1732     for m in explicit_static_modules:
1733         if m in final_shared_modules:
1734             final_shared_modules.remove(m)
1735         final_static_modules.append(m)
1736     for m in explicit_shared_modules:
1737         if m in final_static_modules:
1738             final_static_modules.remove(m)
1739         final_shared_modules.append(m)
1740
1741     conf.env['static_modules'] = final_static_modules
1742     conf.env['shared_modules'] = final_shared_modules
1743
1744     conf.DEFINE('STRING_STATIC_MODULES', ' '.join(final_static_modules), quote=True)
1745
1746     static_list = {}
1747     shared_list = {}
1748
1749     prefixes = ['vfs', 'pdb', 'auth', 'nss_info', 'charset', 'idmap', 'gpext', 'perfcount']
1750     conf.env['MODULE_PREFIXES'] = prefixes
1751     for p in prefixes:
1752         for m in final_static_modules:
1753             if m.find(p) == 0:
1754                 if not p in static_list:
1755                     static_list[p] = []
1756                 static_list[p].append(m)
1757         for m in final_shared_modules:
1758             if m.find(p) == 0:
1759                 if not p in shared_list:
1760                     shared_list[p] = []
1761                 shared_list[p].append(m)
1762
1763     for p in prefixes:
1764         static_env = "%s_STATIC" % p.upper()
1765         shared_env = "%s_SHARED" % p.upper()
1766         conf.env[static_env] = []
1767         conf.env[shared_env] = []
1768         if p in static_list:
1769             decl_list=""
1770             for entry in static_list[p]:
1771                 decl_list += "extern NTSTATUS %s_init(void); " % entry
1772                 conf.env[static_env].append('%s' % entry)
1773             decl_list = decl_list.rstrip()
1774             conf.DEFINE('static_decl_%s' % p, decl_list)
1775             conf.DEFINE('static_init_%s' % p, '{ %s_init(); }' % '_init();  '.join(static_list[p]))
1776         else:
1777             conf.DEFINE('static_decl_%s' % p, '')
1778             conf.DEFINE('static_init_%s' % p, '{}')
1779         if p in shared_list:
1780             for entry in shared_list[p]:
1781                 conf.DEFINE('%s_init' % entry, 'samba_init_module')
1782                 conf.env[shared_env].append('%s' % entry)
1783
1784     conf.SAMBA_CONFIG_H('include/config.h')
1785
1786 def ctags(ctx):
1787     "build 'tags' file using ctags"
1788     import Utils
1789     source_root = os.path.dirname(Utils.g_module.root_path)
1790     cmd = 'ctags $(find %s/.. -name "*.[ch]" | grep -v "*_proto\.h")' % source_root
1791     print("Running: %s" % cmd)
1792     os.system(cmd)
1793