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 default_prefix = 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                          "May include !module to disable 'module'. "+
  21                          "Can be '!FORCED' to disable all non-required static only modules. "+
  22                          "Can be '!DEFAULT' to disable all modules defaulting to a static build. "+
  23                          "Can be 'ALL' to build all default shared modules static. "+
  24                          "The most specific one wins, while the order is ignored "+
  25                          "and --with-static-modules is evaluated before "+
  26                          "--with-shared-modules"),
  27                    action="store", dest='static_modules', default=None)
  28     opt.add_option('--with-shared-modules',
  29                    help=("Comma-separated list of names of modules to build shared. "+
  30                          "May include !module to disable 'module'. "+
  31                          "Can be '!FORCED' to disable all non-required shared only modules. "+
  32                          "Can be '!DEFAULT' to disable all modules defaulting to a shared build. "+
  33                          "Can be 'ALL' to build all default static modules shared. "+
  34                          "The most specific one wins, while the order is ignored "+
  35                          "and --with-static-modules is evaluated before "+
  36                          "--with-shared-modules"),
  37                    action="store", dest='shared_modules', default=None)
  38
  39     opt.SAMBA3_ADD_OPTION('winbind')
  40     opt.SAMBA3_ADD_OPTION('ads')
  41     opt.SAMBA3_ADD_OPTION('ldap')
  42     opt.SAMBA3_ADD_OPTION('cups', with_name="enable", without_name="disable")
  43     opt.SAMBA3_ADD_OPTION('iprint', with_name="enable", without_name="disable")
  44     opt.SAMBA3_ADD_OPTION('pam')
  45     opt.SAMBA3_ADD_OPTION('quotas')
  46     opt.SAMBA3_ADD_OPTION('sendfile-support')
  47     opt.SAMBA3_ADD_OPTION('utmp')
  48     opt.SAMBA3_ADD_OPTION('pthreadpool', with_name="enable", without_name="disable", default=True)
  49     opt.SAMBA3_ADD_OPTION('avahi', with_name="enable", without_name="disable")
  50     opt.SAMBA3_ADD_OPTION('iconv')
  51     opt.SAMBA3_ADD_OPTION('acl-support')
  52     opt.SAMBA3_ADD_OPTION('dnsupdate')
  53     opt.SAMBA3_ADD_OPTION('syslog')
  54     opt.SAMBA3_ADD_OPTION('automount')
  55     opt.SAMBA3_ADD_OPTION('dmapi', default=None) # None means autodetection
  56     opt.SAMBA3_ADD_OPTION('fam', default=None) # None means autodetection
  57     opt.SAMBA3_ADD_OPTION('profiling-data', default=False)
  58     opt.SAMBA3_ADD_OPTION('libarchive', default=None)
  59
  60     opt.SAMBA3_ADD_OPTION('cluster-support', default=False)
  61
  62     opt.SAMBA3_ADD_OPTION('regedit', default=None)
  63
  64     opt.SAMBA3_ADD_OPTION('fake-kaserver',
  65                           help=("Include AFS fake-kaserver support"), default=False)
  66
  67     opt.add_option('--with-libcephfs',
  68                    help=("Directory under which libcephfs is installed"),
  69                    action="store", dest='libcephfs_dir', default=None)
  70
  71     opt.SAMBA3_ADD_OPTION('glusterfs', with_name="enable", without_name="disable", default=True)
  72     opt.SAMBA3_ADD_OPTION('cephfs', with_name="enable", without_name="disable", default=True)
  73
  74     opt.add_option('--enable-vxfs',
  75                   help=("enable support for VxFS (default=no)"),
  76                   action="store_true", dest='enable_vxfs', default=False)
  77
  78     opt.SAMBA3_ADD_OPTION('spotlight', with_name="enable", without_name="disable", default=False)
  79
  80 def configure(conf):
  81     from samba_utils import TO_LIST
  82
  83     default_static_modules = []
  84     default_shared_modules = []
  85     required_static_modules = []
  86     forced_static_modules = []
  87     forced_shared_modules = []
  88
  89     if Options.options.developer:
  90         conf.ADD_CFLAGS('-DDEVELOPER -DDEBUG_PASSWORD')
  91         conf.env.developer = True
  92
  93     if sys.platform != 'openbsd5':
  94         conf.ADD_LDFLAGS("-Wl,--export-dynamic", testflags=True)
  95
  96     # We crash without vfs_default
  97     required_static_modules.extend(TO_LIST('vfs_default'))
  98
  99     conf.CHECK_HEADERS('execinfo.h libexc.h libunwind.h netdb.h')
 100     conf.CHECK_HEADERS('linux/falloc.h linux/ioctl.h')
 101
 102     conf.CHECK_FUNCS('getcwd fchown chmod fchmod mknod')
 103     conf.CHECK_FUNCS('strtol strchr strupr chflags')
 104     conf.CHECK_FUNCS('getrlimit fsync fdatasync setpgid')
 105     conf.CHECK_FUNCS('setsid glob strpbrk crypt16 getauthuid')
 106     conf.CHECK_FUNCS('innetgr')
 107     conf.CHECK_FUNCS('initgroups select poll rdchk getgrnam getgrent pathconf')
 108     conf.CHECK_FUNCS('setpriv setgidx setuidx setgroups syscall sysconf')
 109     conf.CHECK_FUNCS('atexit grantpt posix_openpt fallocate posix_fallocate')
 110     conf.CHECK_FUNCS('fseeko setluid')
 111     conf.CHECK_FUNCS('getpwnam', headers='sys/types.h pwd.h')
 112     conf.CHECK_FUNCS('fdopendir')
 113     conf.CHECK_FUNCS('fstatat')
 114     conf.CHECK_FUNCS('getpwent_r setenv clearenv strcasecmp fcvt fcvtl')
 115     conf.CHECK_FUNCS('syslog vsyslog timegm setlocale')
 116     conf.CHECK_FUNCS_IN('nanosleep', 'rt')
 117     conf.CHECK_FUNCS('lutimes futimes utimensat futimens')
 118     conf.CHECK_FUNCS('mlock munlock mlockall munlockall')
 119     conf.CHECK_FUNCS('memalign posix_memalign hstrerror')
 120     conf.CHECK_FUNCS('shmget')
 121     conf.CHECK_FUNCS_IN('shm_open', 'rt', checklibc=True)
 122     #FIXME: for some reason this one still fails
 123     conf.CHECK_FUNCS_IN('yp_get_default_domain', 'nsl')
 124     conf.CHECK_FUNCS_IN('dn_expand _dn_expand __dn_expand', 'resolv')
 125     conf.CHECK_FUNCS_IN('dn_expand', 'inet')
 126     conf.CHECK_DECLS('fdatasync', reverse=True)
 127     conf.CHECK_DECLS('readahead', reverse=True, headers='fcntl.h')
 128
 129     if conf.CHECK_CODE('''
 130 #if defined(HAVE_UNISTD_H)
 131 #include <unistd.h>
 132 #endif
 133 long ret = splice(0,0,1,0,400,SPLICE_F_MOVE);
 134 ''',
 135         'HAVE_LINUX_SPLICE',
 136         headers='fcntl.h'):
 137         conf.CHECK_DECLS('splice', reverse=True, headers='fcntl.h')
 138
 139     # Check for inotify support (Skip if we are SunOS)
 140     #NOTE: illumos provides sys/inotify.h but is not an exact match for linux
 141     host_os = sys.platform
 142     if host_os.rfind('sunos') == -1:
 143         conf.CHECK_HEADERS('sys/inotify.h')
 144         if "HAVE_SYS_INOTIFY_H" in conf.env:
 145            conf.DEFINE('HAVE_INOTIFY', 1)
 146
 147     # Check for kernel change notify support
 148     conf.CHECK_CODE('''
 149 #ifndef F_NOTIFY
 150 #define F_NOTIFY 1026
 151 #endif
 152 main() {
 153         exit(fcntl(open("/tmp", O_RDONLY), F_NOTIFY, 0) == -1 ?  1 : 0);
 154 }''', 'HAVE_KERNEL_CHANGE_NOTIFY', addmain=False, execute=True,
 155         headers='fcntl.h signal.h',
 156         msg="Checking for kernel change notify support")
 157
 158     # Check for Linux kernel oplocks
 159     conf.CHECK_CODE('''
 160 #include <sys/types.h>
 161 #include <fcntl.h>
 162 #include <signal.h>
 163 #ifndef F_NOTIFY
 164 #define F_NOTIFY 1026
 165 #endif
 166 main() {
 167         exit(fcntl(open("/tmp", O_RDONLY), F_NOTIFY, 0) == -1 ?  1 : 0);
 168 }''', 'HAVE_KERNEL_OPLOCKS_LINUX', addmain=False, execute=True,
 169         msg="Checking for Linux kernel oplocks")
 170
 171     # Check for IRIX kernel oplock types
 172     conf.CHECK_CODE('oplock_stat_t t; t.os_state = OP_REVOKE; t.os_dev = 1; t.os_ino = 1;',
 173                     'HAVE_KERNEL_OPLOCKS_IRIX', headers='fcntl.h',
 174                     msg="Checking for IRIX kernel oplock types")
 175
 176     # Check for kernel share modes
 177     conf.CHECK_CODE('''
 178 #include <sys/types.h>
 179 #include <fcntl.h>
 180 #include <signal.h>
 181 #include <sys/file.h>
 182 #ifndef LOCK_MAND
 183 #define LOCK_MAND        32
 184 #define LOCK_READ        64
 185 #endif
 186 main() {
 187         exit(flock(open("/dev/null", O_RDWR), LOCK_MAND|LOCK_READ) != 0);
 188 }''', 'HAVE_KERNEL_SHARE_MODES', addmain=False, execute=True,
 189         msg="Checking for kernel share modes")
 190
 191     # check for fam libs
 192     samba_fam_libs=None
 193     check_for_fam=False
 194     if Options.options.with_fam is None:
 195         check_for_fam=True
 196     elif Options.options.with_fam == True:
 197         check_for_fam=True
 198
 199     if check_for_fam and conf.CHECK_HEADERS('fam.h'):
 200         if conf.CHECK_FUNCS_IN('FAMOpen2', 'fam'):
 201             samba_fam_libs='fam'
 202         elif conf.CHECK_FUNCS_IN('FAMOpen2', 'fam C'):
 203             samba_fam_libs='fam C'
 204         conf.CHECK_TYPE('enum FAMCodes', headers='fam.h',
 205             define='HAVE_FAM_H_FAMCODES_TYPEDEF',
 206             msg='Checking whether enum FAMCodes is available')
 207         conf.CHECK_FUNCS_IN('FAMNoExists', 'fam')
 208
 209     if samba_fam_libs is not None:
 210         conf.DEFINE('SAMBA_FAM_LIBS', samba_fam_libs)
 211         conf.DEFINE('HAVE_FAM', 1)
 212     else:
 213         if Options.options.with_fam == True:
 214             conf.fatal('FAM support requested, but no suitable FAM library found')
 215         elif check_for_fam:
 216             Logs.warn('no suitable FAM library found')
 217
 218     # check for libarchive (tar command in smbclient)
 219     # None means autodetect, True/False means enable/disable
 220     conf.SET_TARGET_TYPE('archive', 'EMPTY')
 221     if Options.options.with_libarchive is not False:
 222         libarchive_mandatory = Options.options.with_libarchive == True
 223         Logs.info("Checking for libarchive existence")
 224         if conf.CHECK_HEADERS('archive.h') and conf.CHECK_LIB('archive', shlib=True):
 225             conf.CHECK_FUNCS_IN('archive_read_support_filter_all archive_read_free', 'archive')
 226         elif libarchive_mandatory:
 227             conf.fatal('libarchive support requested, but not found')
 228
 229     # check for DMAPI libs
 230     if Options.options.with_dmapi == False:
 231         have_dmapi = False
 232     else:
 233         have_dmapi = True
 234         Logs.info("Checking for DMAPI library existence")
 235         samba_dmapi_lib = ''
 236         if conf.CHECK_FUNCS_IN('dm_get_eventlist', 'dm'):
 237             samba_dmapi_lib = 'dm'
 238         else:
 239             if conf.CHECK_FUNCS_IN('dm_get_eventlist', 'jfsdm'):
 240                 samba_dmapi_lib = 'jfsdm'
 241             else:
 242                 if conf.CHECK_FUNCS_IN('dm_get_eventlist', 'dmapi'):
 243                     samba_dmapi_lib = 'dmapi'
 244                 else:
 245                     if conf.CHECK_FUNCS_IN('dm_get_eventlist', 'xdsm'):
 246                         samba_dmapi_lib = 'xdsm'
 247         # only bother to test headers and compilation when a candidate
 248         # library has been found
 249         if samba_dmapi_lib == '':
 250             have_dmapi = False
 251             broken_dmapi = "no suitable DMAPI library found"
 252
 253         if have_dmapi:
 254             conf.CHECK_HEADERS('sys/dmi.h xfs/dmapi.h sys/jfsdmapi.h sys/dmapi.h dmapi.h')
 255             conf.CHECK_CODE('''
 256 #include <time.h>      /* needed by Tru64 */
 257 #include <sys/types.h> /* needed by AIX */
 258 #ifdef HAVE_XFS_DMAPI_H
 259 #include <xfs/dmapi.h>
 260 #elif defined(HAVE_SYS_DMI_H)
 261 #include <sys/dmi.h>
 262 #elif defined(HAVE_SYS_JFSDMAPI_H)
 263 #include <sys/jfsdmapi.h>
 264 #elif defined(HAVE_SYS_DMAPI_H)
 265 #include <sys/dmapi.h>
 266 #elif defined(HAVE_DMAPI_H)
 267 #include <dmapi.h>
 268 #endif
 269
 270 /* This link test is designed to fail on IRI 6.4, but should
 271  * succeed on Linux, IRIX 6.5 and AIX.
 272  */
 273 int main(int argc, char **argv)
 274 {
 275         char * version;
 276         dm_eventset_t events;
 277         /* This doesn't take an argument on IRIX 6.4. */
 278         dm_init_service(&version);
 279         /* IRIX 6.4 expects events to be a pointer. */
 280         DMEV_ISSET(DM_EVENT_READ, events);
 281
 282         return 0;
 283 }
 284 ''',
 285             'USEABLE_DMAPI_LIBRARY',
 286             addmain=False,
 287             execute=False,
 288             lib=samba_dmapi_lib,
 289             msg='Checking whether DMAPI lib '+samba_dmapi_lib+' can be used')
 290             if not conf.CONFIG_SET('USEABLE_DMAPI_LIBRARY'):
 291                 have_dmapi = False
 292                 broken_dmapi = "no usable DMAPI library found"
 293
 294     if have_dmapi:
 295         Logs.info("Building with DMAPI support.")
 296         conf.env['dmapi_lib'] = samba_dmapi_lib
 297         conf.DEFINE('USE_DMAPI', 1)
 298     else:
 299         if Options.options.with_dmapi == False:
 300             Logs.info("Building without DMAPI support (--without-dmapi).")
 301         elif Options.options.with_dmapi == True:
 302             Logs.error("DMAPI support not available: " + broken_dmapi)
 303             conf.fatal('DMAPI support requested but not found.');
 304         else:
 305             Logs.warn("Building without DMAPI support: " + broken_dmapi)
 306         conf.env['dmapi_lib'] = ''
 307
 308     # Check for various members of the stat structure
 309     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_blocks', define='HAVE_STAT_ST_BLOCKS',
 310                                 headers='sys/stat.h')
 311     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_blksize', define='HAVE_STAT_ST_BLKSIZE',
 312                                 headers='sys/stat.h')
 313     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_flags', define='HAVE_STAT_ST_FLAGS',
 314                                 headers='sys/types.h sys/stat.h unistd.h')
 315
 316     if "HAVE_BLKCNT_T" in conf.env:
 317         conf.CHECK_CODE('''
 318         static int test_array[1 - 2 * !(((long int)(sizeof(blkcnt_t))) <= 4)];''',
 319                 'SIZEOF_BLKCNT_T_4',
 320                 headers='replace.h sys/types.h sys/stat.h unistd.h',
 321                 msg="Checking whether blkcnt_t is 32 bit")
 322
 323     # If sizeof is 4 it can't be 8
 324     if "HAVE_BLKCNT_T" in conf.env:
 325         if not conf.CONFIG_SET('SIZEOF_BLKCNT_T_4'):
 326             conf.CHECK_CODE('''
 327             static int test_array[1 - 2 * !(((long int)(sizeof(blkcnt_t))) <= 8)];''',
 328                     'SIZEOF_BLKCNT_T_8',
 329                     headers='replace.h sys/types.h sys/stat.h unistd.h',
 330                     msg="Checking whether blkcnt_t is 64 bit")
 331
 332     # Check for POSIX capability support
 333     conf.CHECK_FUNCS_IN('cap_get_proc', 'cap', headers='sys/capability.h')
 334
 335     if "HAVE_SYS_CAPABILITY_H" in conf.env:
 336         conf.CHECK_CODE('''
 337         cap_t cap;
 338         cap_value_t vals[1];
 339         if (!(cap = cap_get_proc())) exit(1);
 340         vals[0] = CAP_CHOWN;
 341         cap_set_flag(cap, CAP_INHERITABLE, 1, vals, CAP_CLEAR);
 342         cap_set_proc(cap);''',
 343                         'HAVE_POSIX_CAPABILITIES', execute=True, lib="cap",
 344                         headers='sys/capability.h',
 345                         msg="Checking whether POSIX capabilities are available")
 346
 347     conf.CHECK_CODE('int i;', 'BROKEN_NISPLUS_INCLUDE_FILES',
 348                     headers='sys/types.h sys/acl.h rpcsvc/nis.h',
 349                     msg="Checking for broken nisplus include files")
 350
 351     # Check if the compiler will optimize out functions
 352     conf.CHECK_CODE('''
 353 #include <sys/types.h>
 354 size_t __unsafe_string_function_usage_here_size_t__(void);
 355 #define CHECK_STRING_SIZE(d, len) (sizeof(d) != (len) && sizeof(d) != sizeof(char *))
 356 static size_t push_string_check_fn(void *dest, const char *src, size_t dest_len) {
 357         return 0;
 358 }
 359
 360 #define push_string_check(dest, src, dest_len) \
 361     (CHECK_STRING_SIZE(dest, dest_len) \
 362     ? __unsafe_string_function_usage_here_size_t__()    \
 363     : push_string_check_fn(dest, src, dest_len))
 364
 365 int main(int argc, char **argv) {
 366     char outbuf[1024];
 367     char *p = outbuf;
 368     const char *foo = "bar";
 369     p += 31 + push_string_check(p + 31, foo, sizeof(outbuf) - (p + 31 - outbuf));
 370     return 0;
 371 }''', 'HAVE_COMPILER_WILL_OPTIMIZE_OUT_FNS',
 372             addmain=False,
 373             add_headers=False,
 374             msg="Checking if the compiler will optimize out functions")
 375
 376     # Check if the compiler supports the LL suffix on long long integers
 377     # AIX needs this
 378     conf.CHECK_CODE('long long i = 0x8000000000LL', 'COMPILER_SUPPORTS_LL',
 379                     headers='stdio.h',
 380                     msg="Checking for LL suffix on long long integers")
 381
 382     conf.CHECK_FUNCS('''
 383 _acl __acl atexit
 384  _chdir __chdir chflags chmod _close __close _closedir
 385 __closedir crypt16 devnm dirfd
 386 DNSServiceRegister _dup __dup _dup2 __dup2 endmntent execl
 387 _facl __facl _fchdir
 388 __fchdir fchmod fchown _fcntl __fcntl fcvt fcvtl fdatasync
 389 _fork __fork fseeko
 390 fsetxattr _fstat __fstat fsync
 391 futimens futimes __fxstat getauthuid
 392 getcwd _getcwd __getcwd getdents __getdents getdirentries
 393 getgrent getgrnam getgrouplist getgrset getmntent getpagesize
 394 getpwanam getpwent_r getrlimit
 395 glob grantpt hstrerror initgroups innetgr
 396 llseek _llseek __llseek _lseek __lseek
 397 _lstat __lstat lutimes
 398 __lxstat memalign mknod mlock mlockall munlock munlockall
 399 _open __open _opendir __opendir
 400 pathconf poll posix_fallocate
 401 posix_memalign pread _pread __pread
 402 pwrite _pwrite __pwrite
 403 rdchk _read __read _readdir __readdir
 404 _seekdir __seekdir
 405 select setenv setgidx setgroups setlocale setluid
 406 setmntent setpgid setpriv setsid setuidx
 407 shmget shm_open
 408 _stat __stat statvfs
 409 strcasecmp strchr strpbrk strsignal strtol strupr sysconf sysctl sysctlbyname
 410 __sys_llseek syslog _telldir __telldir timegm
 411 utimensat vsyslog _write __write __xstat
 412 ''')
 413
 414     conf.CHECK_SAMBA3_CHARSET() # see build/charset.py
 415
 416     # FIXME: these should be tests for features, but the old build system just
 417     # checks for OSes.
 418     host_os = sys.platform
 419     Logs.info("building on %s" % host_os)
 420
 421     # Python doesn't have case switches... :/
 422     # FIXME: original was *linux* | gnu* | k*bsd*-gnu | kopensolaris*-gnu | *qnx*)
 423     # the search for .rfind('gnu') covers gnu* and *-gnu is that too broad?
 424
 425     conf.SET_TARGET_TYPE('sunacl', 'EMPTY')
 426     if (host_os.rfind('linux') > -1) or (host_os.rfind('gnu') > -1) or (host_os.rfind('qnx') > -1):
 427         if host_os.rfind('linux') > -1:
 428             conf.DEFINE('LINUX', '1')
 429         elif host_os.rfind('qnx') > -1:
 430             conf.DEFINE('QNX', '1')
 431         conf.DEFINE('STAT_ST_BLOCKSIZE', '512')
 432     elif (host_os.rfind('darwin') > -1):
 433         conf.DEFINE('DARWINOS', 1)
 434         conf.ADD_CFLAGS('-fno-common')
 435         conf.DEFINE('STAT_ST_BLOCKSIZE', '512')
 436     elif (host_os.rfind('freebsd') > -1):
 437         conf.DEFINE('FREEBSD', 1)
 438         if conf.CHECK_HEADERS('sunacl.h'):
 439             conf.DEFINE('HAVE_FREEBSD_SUNACL_H', '1')
 440             conf.CHECK_FUNCS_IN(['acl'], 'sunacl')
 441         conf.DEFINE('STAT_ST_BLOCKSIZE', '512')
 442     elif (host_os.rfind('irix') > -1):
 443         conf.DEFINE('IRIX', 1)
 444         conf.DEFINE('STAT_ST_BLOCKSIZE', '512')
 445     elif (host_os.rfind('aix') > -1):
 446         conf.DEFINE('AIX', 1)
 447         conf.DEFINE('STAT_ST_BLOCKSIZE', 'DEV_BSIZE')
 448     elif (host_os.rfind('hpux') > -1):
 449         conf.DEFINE('HPUX', 1)
 450         conf.DEFINE('STAT_ST_BLOCKSIZE', '8192')
 451     elif (host_os.rfind('osf') > -1):
 452         conf.DEFINE('OSF1', 1)
 453         conf.DEFINE('STAT_ST_BLOCKSIZE', '512')
 454
 455     # FIXME: Add more checks here.
 456     else:
 457         conf.DEFINE('STAT_ST_BLOCKSIZE', '512')
 458
 459     if Options.options.with_acl_support:
 460         if (host_os.rfind('hpux') > -1):
 461                 Logs.info('Using HPUX ACLs')
 462                 conf.DEFINE('HAVE_HPUX_ACLS',1)
 463                 conf.DEFINE('POSIX_ACL_NEEDS_MASK',1)
 464                 default_static_modules.extend(TO_LIST('vfs_hpuxacl'))
 465         elif (host_os.rfind('aix') > -1):
 466                 Logs.info('Using AIX ACLs')
 467                 conf.DEFINE('HAVE_AIX_ACLS',1)
 468                 default_static_modules.extend(TO_LIST('vfs_aixacl vfs_aixacl2'))
 469         elif (host_os.rfind('darwin') > -1):
 470             Logs.warn('ACLs on Darwin currently not supported')
 471             conf.fatal("ACL support not available on Darwin/MacOS. "
 472                        "Use --without-acl-support for building without "
 473                        "ACL support. "
 474                        "ACL support is required to change permissions "
 475                        "from Windows clients.")
 476         else:
 477             conf.CHECK_FUNCS_IN(['acl_get_file'], 'acl')
 478             if conf.CHECK_CODE('''
 479 acl_t acl;
 480 int entry_id;
 481 acl_entry_t *entry_p;
 482 return acl_get_entry(acl, entry_id, entry_p);
 483 ''',
 484                         'HAVE_POSIX_ACLS',
 485                         headers='sys/types.h sys/acl.h', link=False,
 486                         msg="Checking for POSIX ACL support") :
 487                 conf.CHECK_CODE('''
 488 acl_permset_t permset_d;
 489 acl_perm_t perm;
 490 return acl_get_perm_np(permset_d, perm);
 491 ''',
 492                         'HAVE_ACL_GET_PERM_NP',
 493                         headers='sys/types.h sys/acl.h', link=True,
 494                         msg="Checking whether acl_get_perm_np() is available")
 495                 # source3/lib/sysacls.c calls posixacl_sys_acl_get_file()
 496                 required_static_modules.extend(TO_LIST('vfs_posixacl'))
 497                 conf.CHECK_VARIABLE('ACL_EVERYONE', headers='sys/acl.h')
 498             elif conf.CHECK_FUNCS_IN(['facl'], 'sec'):
 499                 Logs.info('Using solaris or UnixWare ACLs')
 500                 conf.DEFINE('HAVE_SOLARIS_UNIXWARE_ACLS',1)
 501                 default_static_modules.extend(TO_LIST('vfs_solarisacl'))
 502             elif conf.CHECK_FUNCS_IN(['acl_get_fd'], 'pacl'):
 503                 Logs.info('Using Tru64 ACLs')
 504                 conf.DEFINE('HAVE_TRU64_ACLS',1)
 505                 default_static_modules.extend(TO_LIST('vfs_tru64acl'))
 506             else:
 507                 conf.fatal("ACL support not found. Try installing libacl1-dev "
 508                            "or libacl-devel.  "
 509                            "Otherwise, use --without-acl-support to build "
 510                            "without ACL support. "
 511                            "ACL support is required to change permissions from "
 512                            "Windows clients.")
 513
 514     if conf.CHECK_FUNCS('dirfd'):
 515         conf.DEFINE('HAVE_DIRFD_DECL', 1)
 516
 517     conf.CHECK_CODE('struct statfs fsd; fsid_t fsid = fsd.f_fsid; return statfs(".", &fsd);',
 518                     'HAVE_STATFS_F_FSID',
 519                     msg="vfs_fileid checking for statfs() and struct statfs.f_fsid",
 520                     headers='sys/types.h sys/statfs.h',
 521                     execute=True)
 522
 523     if conf.CONFIG_SET('HAVE_FALLOCATE'):
 524         conf.CHECK_CODE('''
 525                 int ret = fallocate(0, FALLOC_FL_KEEP_SIZE, 0, 10);''',
 526                 'HAVE_LINUX_FALLOCATE',
 527                 msg="Checking whether the Linux 'fallocate' function is available",
 528                 headers='unistd.h sys/types.h fcntl.h linux/falloc.h')
 529         conf.CHECK_CODE('''
 530                 int ret = fallocate(0, FALLOC_FL_PUNCH_HOLE, 0, 10);''',
 531                 'HAVE_FALLOC_FL_PUNCH_HOLE',
 532                 msg="Checking whether Linux 'fallocate' supports hole-punching",
 533                 headers='unistd.h sys/types.h fcntl.h linux/falloc.h')
 534
 535     conf.CHECK_CODE('''
 536             int ret = lseek(0, 0, SEEK_HOLE);
 537             ret = lseek(0, 0, SEEK_DATA);''',
 538             'HAVE_LSEEK_HOLE_DATA',
 539             msg="Checking whether lseek supports hole/data seeking",
 540             headers='unistd.h sys/types.h')
 541
 542     conf.CHECK_CODE('''
 543                 ssize_t err = readahead(0,0,0x80000);''',
 544                 'HAVE_LINUX_READAHEAD',
 545                 msg="Checking whether Linux readahead is available",
 546                 headers='unistd.h fcntl.h')
 547     conf.CHECK_DECLS('readahead', headers='fcntl.h', always=True)
 548
 549     conf.CHECK_CODE('int fd = openat(AT_FDCWD, ".", O_RDONLY);',
 550                 'HAVE_OPENAT',
 551                 msg='Checking for openat',
 552                 headers='fcntl.h')
 553
 554     if host_os.rfind('linux') > -1:
 555         conf.CHECK_FUNCS_IN('io_submit', 'aio')
 556         conf.CHECK_CODE('''
 557 struct io_event ioev;
 558 struct iocb *ioc;
 559 io_context_t ctx;
 560 struct timespec ts;
 561 int fd;
 562 char *buf;
 563 fd = eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
 564 io_queue_init(128,&ctx);
 565 io_prep_pwrite(ioc, 1, buf, 1, 0);
 566 io_prep_pread(ioc, 1, buf, 1, 0);
 567 io_set_eventfd(ioc, fd);
 568 io_set_callback(ioc, (io_callback_t)(0));
 569 io_submit(ctx, 1, &ioc);
 570 io_getevents(ctx, 1, 1, &ioev, &ts);
 571 ''',
 572             'HAVE_LINUX_KERNEL_AIO',
 573             msg='Checking for linux kernel asynchronous io support',
 574             headers='unistd.h stdlib.h sys/types.h fcntl.h sys/eventfd.h libaio.h',
 575             lib='aio')
 576
 577     conf.CHECK_CODE('''
 578 struct msghdr msg;
 579 union {
 580         struct cmsghdr cm;
 581         char control[CMSG_SPACE(sizeof(int))];
 582 } control_un;
 583 msg.msg_control = control_un.control;
 584 msg.msg_controllen = sizeof(control_un.control);
 585 ''',
 586         'HAVE_STRUCT_MSGHDR_MSG_CONTROL',
 587         msg='Checking if we can use msg_control for passing file descriptors',
 588         headers='sys/types.h stdlib.h stddef.h sys/socket.h sys/un.h')
 589     conf.CHECK_CODE('''
 590 struct msghdr msg;
 591 int fd;
 592 msg.msg_accrights = (caddr_t) &fd;
 593 msg.msg_accrightslen = sizeof(fd);
 594 ''',
 595         'HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTS',
 596         msg='Checking if we can use msg_accrights for passing file descriptors',
 597         headers='sys/types.h stdlib.h stddef.h sys/socket.h sys/un.h')
 598
 599     if Options.options.with_winbind:
 600         conf.env.build_winbind = True
 601         conf.DEFINE('WITH_WINBIND', '1')
 602
 603     conf.find_program('awk', var='AWK')
 604
 605     conf.CHECK_HEADERS('asm/types.h')
 606
 607     conf.CHECK_CODE('dev_t dev; int i = major(dev); return 0', "HAVE_DEVICE_MAJOR_FN",
 608                     headers='unistd.h sys/types.h',
 609                     msg="Checking for major macro")
 610
 611     conf.CHECK_CODE('dev_t dev; int i = minor(dev); return 0', "HAVE_DEVICE_MINOR_FN",
 612                     headers='unistd.h sys/types.h',
 613                     msg="Checking for minor macro")
 614
 615     conf.CHECK_STRUCTURE_MEMBER('struct dirent', 'd_off',
 616                                 headers='unistd.h sys/types.h dirent.h',
 617                                 define='HAVE_DIRENT_D_OFF')
 618
 619     conf.CHECK_FUNCS('setnetgrent getnetgrent endnetgrent')
 620     if conf.CHECK_CFLAGS('-Werror-implicit-function-declaration'):
 621         netgrent_cflags = '-Werror-implicit-function-declaration'
 622     else:
 623         netgrent_cflags = ''
 624     conf.CHECK_CODE('setnetgrent("foo")', 'HAVE_SETNETGRENT_PROTOTYPE',
 625                     msg="Checking for setnetgrent prototype",
 626                     headers='netdb.h netgroup.h',
 627                     cflags=netgrent_cflags)
 628     conf.CHECK_CODE('getnetgrent', 'HAVE_GETNETGRENT_PROTOTYPE',
 629                     msg="Checking for getnetgrent prototype",
 630                     headers='netdb.h netgroup.h',
 631                     cflags=netgrent_cflags)
 632     conf.CHECK_CODE('endnetgrent', 'HAVE_ENDNETGRENT_PROTOTYPE',
 633                     msg="Checking for endnetgrent prototype",
 634                     headers='netdb.h netgroup.h',
 635                     cflags=netgrent_cflags)
 636
 637
 638     # Look for CUPS
 639     if Options.options.with_cups:
 640         conf.find_program('cups-config', var='CUPS_CONFIG')
 641         if conf.env.CUPS_CONFIG:
 642             # we would normally use --libs here, but cups-config incorrectly adds
 643             # gssapi_krb5 and other libraries to its --libs output. That breaks the use
 644             # of an in-tree heimdal kerberos
 645             conf.CHECK_CFG(path=conf.env.CUPS_CONFIG, args="--cflags --ldflags",
 646                            package="", uselib_store="CUPS")
 647         conf.CHECK_HEADERS('cups/cups.h cups/language.h', lib='cups')
 648         conf.CHECK_FUNCS_IN('httpConnect httpConnectEncrypt', 'cups')
 649         if conf.CONFIG_SET('HAVE_CUPS_CUPS_H') and conf.CONFIG_SET('HAVE_CUPS_LANGUAGE_H'):
 650             conf.DEFINE('HAVE_CUPS', '1')
 651         else:
 652             conf.undefine('HAVE_CUPS')
 653             conf.SET_TARGET_TYPE('cups', 'EMPTY')
 654     else:
 655         # define an empty subsystem for cups, to allow it to be used as an empty dependency
 656         conf.SET_TARGET_TYPE('cups', 'EMPTY')
 657
 658     if Options.options.with_iprint:
 659         if conf.CONFIG_SET('HAVE_CUPS'):
 660             conf.DEFINE('HAVE_IPRINT', '1')
 661         else:
 662             Logs.warn("--enable-iprint=yes but cups support not sufficient")
 663     if Options.options.with_syslog:
 664         conf.DEFINE('WITH_SYSLOG', '1')
 665     if Options.options.with_automount:
 666         conf.DEFINE('WITH_AUTOMOUNT', '1')
 667
 668     # Check for LDAP
 669     if Options.options.with_ldap:
 670         conf.CHECK_HEADERS('ldap.h lber.h ldap_pvt.h')
 671         conf.CHECK_TYPE('ber_tag_t', 'unsigned int', headers='ldap.h lber.h')
 672         conf.CHECK_FUNCS_IN('ber_scanf ber_sockbuf_add_io', 'lber')
 673         conf.CHECK_VARIABLE('LDAP_OPT_SOCKBUF', headers='ldap.h')
 674
 675         # if we LBER_OPT_LOG_PRINT_FN we can intercept ldap logging and print it out
 676         # for the samba logs
 677         conf.CHECK_VARIABLE('LBER_OPT_LOG_PRINT_FN',
 678                             define='HAVE_LBER_LOG_PRINT_FN', headers='lber.h')
 679
 680         conf.CHECK_FUNCS_IN('ldap_init ldap_init_fd ldap_initialize ldap_set_rebind_proc', 'ldap')
 681         conf.CHECK_FUNCS_IN('ldap_add_result_entry', 'ldap')
 682
 683         # Check if ldap_set_rebind_proc() takes three arguments
 684         if conf.CHECK_CODE('ldap_set_rebind_proc(0, 0, 0)',
 685                            'LDAP_SET_REBIND_PROC_ARGS',
 686                            msg="Checking whether ldap_set_rebind_proc takes 3 arguments",
 687                            headers='ldap.h lber.h', link=False):
 688             conf.DEFINE('LDAP_SET_REBIND_PROC_ARGS', '3')
 689         else:
 690             conf.DEFINE('LDAP_SET_REBIND_PROC_ARGS', '2')
 691
 692         # last but not least, if ldap_init() exists, we want to use ldap
 693         if conf.CONFIG_SET('HAVE_LDAP_INIT') and conf.CONFIG_SET('HAVE_LDAP_H'):
 694             conf.DEFINE('HAVE_LDAP', '1')
 695             conf.DEFINE('LDAP_DEPRECATED', '1')
 696             conf.env['HAVE_LDAP'] = '1'
 697             # if ber_sockbuf_add_io() and LDAP_OPT_SOCKBUF are available, we can add
 698             # SASL wrapping hooks
 699             if conf.CONFIG_SET('HAVE_BER_SOCKBUF_ADD_IO') and \
 700                     conf.CONFIG_SET('HAVE_LDAP_OPT_SOCKBUF'):
 701                 conf.DEFINE('HAVE_LDAP_SASL_WRAPPING', '1')
 702         else:
 703             conf.fatal("LDAP support not found. "
 704                        "Try installing libldap2-dev or openldap-devel. "
 705                        "Otherwise, use --without-ldap to build without "
 706                        "LDAP support. "
 707                        "LDAP support is required for the LDAP passdb backend, "
 708                        "LDAP idmap backends and ADS. "
 709                        "ADS support improves communication with "
 710                        "Active Directory domain controllers.")
 711     else:
 712         conf.SET_TARGET_TYPE('ldap', 'EMPTY')
 713         conf.SET_TARGET_TYPE('lber', 'EMPTY')
 714
 715     if Options.options.with_ads == False:
 716         use_ads = False
 717         use_ads_krb5 = False
 718         use_ads_ldap = False
 719     else:
 720         use_ads = True
 721         use_ads_krb5 = True
 722         use_ads_ldap = True
 723         if not conf.CONFIG_SET('HAVE_ENCTYPE_ARCFOUR_HMAC_MD5') and \
 724            not conf.CONFIG_SET('HAVE_ENCTYPE_ARCFOUR_HMAC'):
 725             Logs.warn("arcfour-hmac-md5 encryption type not found in -lkrb5")
 726             use_ads_krb5 = False
 727         if not conf.CONFIG_SET('HAVE_KRB5_MK_REQ_EXTENDED'):
 728             Logs.warn("krb5_mk_req_extended not found in -lkrb5")
 729             use_ads_krb5 = False
 730         if not conf.CONFIG_SET('HAVE_KRB5_GET_HOST_REALM'):
 731             Logs.warn("krb5_get_host_realm not found in -lkrb5")
 732             use_ads_krb5 = False
 733         if not conf.CONFIG_SET('HAVE_KRB5_FREE_HOST_REALM'):
 734             Logs.warn("krb5_free_host_realm not found in -lkrb5")
 735             use_ads_krb5 = False
 736         if not conf.CONFIG_SET('HAVE_KRB5_FWD_TGT_CREDS'):
 737             Logs.warn("krb5_fwd_tgt_creds found in -lkrb5")
 738             use_ads_krb5 = False
 739         if not conf.CONFIG_SET('HAVE_KRB5_GET_INIT_CREDS_OPT_ALLOC'):
 740             Logs.warn("krb5_get_init_creds_opt_alloc not found in -lkrb5")
 741             use_ads_krb5 = False
 742         if not conf.CONFIG_SET('KRB5_CREDS_OPT_FREE_REQUIRES_CONTEXT'):
 743             Logs.warn("krb5_get_init_creds_opt_free was not found or was too old in -lkrb5")
 744             use_ads_krb5 = False
 745         if not conf.CONFIG_SET('HAVE_KRB5_GET_RENEWED_CREDS'):
 746             Logs.warn("krb5_get_renewed_creds not found in -lkrb5")
 747             use_ads_krb5 = False
 748         if not conf.CONFIG_SET('HAVE_KRB5_PRINCIPAL_COMPARE_ANY_REALM'):
 749             Logs.warn("krb5_principal_compare_any_realm not found in -lkrb5")
 750             use_ads_krb5 = False
 751         if not conf.CONFIG_SET('HAVE_KRB5_C_STRING_TO_KEY') and \
 752            not conf.CONFIG_SET('HAVE_KRB5_STRING_TO_KEY_SALT'):
 753             Logs.warn("krb5_c_string_to_key not found in -lkrb5")
 754             use_ads_krb5 = False
 755         if not conf.CONFIG_SET('HAVE_KRB5_PRINCIPAL2SALT') and \
 756            not conf.CONFIG_SET('HAVE_KRB5_GET_PW_SALT'):
 757             Logs.warn("no CREATE_KEY_FUNCTIONS detected")
 758             use_ads_krb5 = False
 759         if not conf.CONFIG_SET('HAVE_KRB5_GET_PERMITTED_ENCTYPES') and \
 760            not conf.CONFIG_SET('HAVE_KRB5_GET_DEFAULT_IN_TKT_ETYPES'):
 761             Logs.warn("no GET_ENCTYPES_FUNCTIONS detected")
 762             use_ads_krb5 = False
 763         if not conf.CONFIG_SET('HAVE_KRB5_KT_FREE_ENTRY') and \
 764            not conf.CONFIG_SET('HAVE_KRB5_FREE_KEYTAB_ENTRY_CONTENTS'):
 765             Logs.warn("no KT_FREE_FUNCTION detected")
 766             use_ads_krb5 = False
 767         if not conf.CONFIG_SET('HAVE_KRB5_C_VERIFY_CHECKSUM'):
 768             Logs.warn("krb5_c_verify_checksum_compare not found in -lkrb5")
 769             use_ads_krb5 = False
 770
 771         # We don't actually use
 772         # gsskrb5_extract_authz_data_from_sec_context, but it is a
 773         # clue that this Heimdal, which does the PAC processing we
 774         # need on the standard gss_inquire_sec_context_by_oid
 775         if not conf.CONFIG_SET('HAVE_GSS_GET_NAME_ATTRIBUTE') and \
 776             not (conf.CONFIG_SET('HAVE_GSSKRB5_EXTRACT_AUTHZ_DATA_FROM_SEC_CONTEXT') and \
 777                      conf.CONFIG_SET('HAVE_GSS_INQUIRE_SEC_CONTEXT_BY_OID')):
 778             Logs.warn("need either gss_get_name_attribute or gsskrb5_extract_authz_data_from_sec_context and gss_inquire_sec_context_by_oid in -lgssapi for PAC support")
 779             use_ads_krb5 = False
 780
 781         if not conf.CONFIG_SET('HAVE_GSS_KRB5_EXPORT_LUCID_SEC_CONTEXT'):
 782             Logs.warn("need gss_krb5_export_lucid_sec_context for SPNEGO and gss_wrap support")
 783             use_ads_krb5 = False
 784
 785         if use_ads_krb5:
 786             conf.DEFINE('HAVE_KRB5', '1')
 787             conf.env['HAVE_KRB5'] = '1'
 788         else:
 789             conf.undefine('HAVE_KRB5_H')
 790             conf.undefine('HAVE_GSSAPI_H')
 791             conf.undefine('HAVE_GSSAPI_GSSAPI_GENERIC_H')
 792             conf.undefine('HAVE_GSSAPI_GSSAPI_H')
 793             use_ads = False
 794
 795         if not conf.CONFIG_SET('HAVE_LDAP'):
 796             use_ads = False
 797             use_ads_ldap = False
 798
 799     if use_ads:
 800         conf.DEFINE('WITH_ADS', '1')
 801         conf.env['HAVE_ADS'] = '1'
 802         Logs.info("Building with Active Directory support.")
 803         # these have broken dependencies
 804         forced_shared_modules.extend(TO_LIST('idmap_ad idmap_rfc2307'))
 805     elif Options.options.with_ads == False:
 806         Logs.info("Building without Active Directory support (--without-ads).")
 807     else:
 808         if not use_ads_krb5:
 809             Logs.warn("Active Directory support not available: krb5 libs don't have all required features")
 810         if not use_ads_ldap:
 811             Logs.warn("Active Directory support not available: LDAP support is not available.")
 812         if Options.options.with_ads:
 813             conf.fatal("Active Directory support not found. Use --without-ads "
 814                        "for building without Active Directory support. "
 815                        "ADS support improves communication with "
 816                        "Active Directory domain controllers.")
 817         else:
 818             # this is the auto-mode case
 819             Logs.warn("Building without Active Directory support.")
 820
 821
 822     if Options.options.with_utmp:
 823         conf.env.with_utmp = True
 824         if not conf.CHECK_HEADERS('utmp.h'): conf.env.with_utmp = False
 825         conf.CHECK_FUNCS('pututline pututxline updwtmp updwtmpx getutmpx getutxent')
 826         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_name', headers='utmp.h',
 827                                     define='HAVE_UT_UT_NAME')
 828         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_user', headers='utmp.h',
 829                                     define='HAVE_UT_UT_USER')
 830         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_id', headers='utmp.h',
 831                                     define='HAVE_UT_UT_ID')
 832         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_host', headers='utmp.h',
 833                                     define='HAVE_UT_UT_HOST')
 834         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_time', headers='utmp.h',
 835                                     define='HAVE_UT_UT_TIME')
 836         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_tv', headers='utmp.h',
 837                                     define='HAVE_UT_UT_TV')
 838         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_type', headers='utmp.h',
 839                                     define='HAVE_UT_UT_TYPE')
 840         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_pid', headers='utmp.h',
 841                                     define='HAVE_UT_UT_PID')
 842         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_exit.e_exit', headers='utmp.h',
 843                                     define='HAVE_UT_UT_EXIT')
 844         conf.CHECK_STRUCTURE_MEMBER('struct utmpx', 'ut_syslen', headers='utmpx.h',
 845                                     define='HAVE_UX_UT_SYSLEN')
 846         conf.CHECK_CODE('struct utmp utarg; struct utmp *utreturn; utreturn = pututline(&utarg);',
 847                         'PUTUTLINE_RETURNS_UTMP', headers='utmp.h',
 848                         msg="Checking whether pututline returns pointer")
 849         conf.CHECK_SIZEOF(['((struct utmp *)NULL)->ut_line'], headers='utmp.h',
 850                           define='SIZEOF_UTMP_UT_LINE', critical=False)
 851         if not conf.CONFIG_SET('SIZEOF_UTMP_UT_LINE'):
 852             conf.env.with_utmp = False
 853         elif int(conf.env.SIZEOF_UTMP_UT_LINE) < 15:
 854             conf.env.with_utmp = False
 855         if conf.env.with_utmp:
 856             conf.DEFINE('WITH_UTMP', 1)
 857         else:
 858             Logs.warn("--with-utmp but utmp support not sufficient")
 859
 860     if Options.options.with_avahi:
 861         conf.env.with_avahi = True
 862         if not conf.CHECK_HEADERS('avahi-common/watch.h avahi-client/client.h'): conf.env.with_avahi = False
 863         if not conf.CHECK_FUNCS_IN('avahi_client_new', 'avahi-client'): conf.env.with_avahi = False
 864         if not conf.CHECK_FUNCS_IN('avahi_strerror', 'avahi-common'): conf.env.with_avahi = False
 865         if conf.env.with_avahi:
 866             conf.DEFINE('WITH_AVAHI_SUPPORT', 1)
 867     else:
 868         conf.SET_TARGET_TYPE('avahi-common', 'EMPTY')
 869         conf.SET_TARGET_TYPE('avahi-client', 'EMPTY')
 870
 871     if Options.options.with_iconv:
 872         conf.env.with_iconv = True
 873         if not conf.CHECK_FUNCS_IN('iconv_open', 'iconv', headers='iconv.h'):
 874             conf.env.with_iconv = False
 875         if conf.env.with_iconv:
 876             conf.DEFINE('HAVE_ICONV', 1)
 877
 878     if Options.options.with_pam:
 879         use_pam=True
 880         conf.CHECK_HEADERS('security/pam_appl.h pam/pam_appl.h')
 881         if not conf.CONFIG_SET('HAVE_SECURITY_PAM_APPL_H') and not conf.CONFIG_SET('HAVE_PAM_PAM_APPL_H'):
 882             Logs.warn("--with-pam=yes but pam_appl.h not found")
 883             use_pam=False
 884         conf.CHECK_FUNCS_IN('pam_get_data', 'pam')
 885         conf.CHECK_HEADERS('security/pam_modules.h pam/pam_modules.h')
 886         if not conf.CONFIG_SET('HAVE_SECURITY_PAM_MODULES_H') and not conf.CONFIG_SET('HAVE_PAM_PAM_MODULES_H'):
 887             Logs.warn("--with-pam=yes but pam_modules.h not found")
 888             use_pam=False
 889         conf.CHECK_HEADERS('security/pam_ext.h security/_pam_macros.h')
 890         conf.CHECK_HEADERS('pam/pam_ext.h pam/_pam_macros.h')
 891         conf.CHECK_FUNCS_IN('pam_vsyslog', 'pam')
 892         conf.CHECK_CODE('''
 893 #if defined(HAVE_SECURITY_PAM_APPL_H)
 894 #include <security/pam_appl.h>
 895 #elif defined(HAVE_PAM_PAM_APPL_H)
 896 #include <pam/pam_appl.h>
 897 #endif
 898 pam_set_item(0, PAM_RHOST, 0);
 899 ''',
 900             'HAVE_PAM_RHOST',
 901             lib='pam',
 902             msg="Checking whether PAM_RHOST is available");
 903         conf.CHECK_CODE('''
 904 #if defined(HAVE_SECURITY_PAM_APPL_H)
 905 #include <security/pam_appl.h>
 906 #elif defined(HAVE_PAM_PAM_APPL_H)
 907 #include <pam/pam_appl.h>
 908 #endif
 909 pam_set_item(0, PAM_TTY, 0);
 910 ''',
 911             'HAVE_PAM_TTY',
 912             lib='pam',
 913             msg="Checking whether PAM_TTY is available");
 914         conf.CHECK_CODE('''
 915 #if (!defined(LINUX))
 916
 917 #define PAM_EXTERN extern
 918 #if defined(HAVE_SECURITY_PAM_APPL_H)
 919 #include <security/pam_appl.h>
 920 #elif defined(HAVE_PAM_PAM_APPL_H)
 921 #include <pam/pam_appl.h>
 922 #endif
 923
 924 #endif
 925
 926 #if defined(HAVE_SECURITY_PAM_MODULES_H)
 927 #include <security/pam_modules.h>
 928 #elif defined(HAVE_PAM_PAM_MODULES_H)
 929 #include <pam/pam_modules.h>
 930 #endif
 931
 932 #if defined(HAVE_SECURITY__PAM_MACROS_H)
 933 #include <security/_pam_macros.h>
 934 #elif defined(HAVE_PAM__PAM_MACROS_H)
 935 #include <pam/_pam_macros.h>
 936 #endif
 937
 938 #ifdef HAVE_SECURITY_PAM_EXT_H
 939 #include <security/pam_ext.h>
 940 #endif
 941
 942 int i; i = PAM_RADIO_TYPE;
 943 ''',
 944             'HAVE_PAM_RADIO_TYPE',
 945             lib='pam',
 946             msg="Checking whether PAM_RADIO_TYPE is available");
 947         if use_pam:
 948             conf.DEFINE('WITH_PAM', 1)
 949             conf.DEFINE('WITH_PAM_MODULES', 1)
 950
 951     seteuid = False
 952
 953 #
 954 # Ensure we select the correct set of system calls on Linux.
 955 #
 956     if (host_os.rfind('linux') > -1):
 957         conf.CHECK_CODE('''
 958 #if defined(HAVE_UNISTD_H)
 959 #include <unistd.h>
 960 #endif
 961 #include <stdlib.h>
 962 #include <stdio.h>
 963 #include <sys/types.h>
 964 #include <errno.h>
 965
 966 #ifdef HAVE_SYS_PRIV_H
 967 #include <sys/priv.h>
 968 #endif
 969 #ifdef HAVE_SYS_ID_H
 970 #include <sys/id.h>
 971 #endif
 972
 973 #if defined(HAVE_SYSCALL_H)
 974 #include <syscall.h>
 975 #endif
 976
 977 #if defined(HAVE_SYS_SYSCALL_H)
 978 #include <sys/syscall.h>
 979 #endif
 980
 981 syscall(SYS_setresuid32, -1, -1, -1);
 982 syscall(SYS_setresgid32, -1, -1, -1);
 983 syscall(SYS_setreuid32, -1, -1);
 984 syscall(SYS_setregid32, -1, -1);
 985 syscall(SYS_setuid32, -1);
 986 syscall(SYS_setgid32, -1);
 987 syscall(SYS_setgroups32, 0, NULL);
 988 ''',
 989             'USE_LINUX_32BIT_SYSCALLS',
 990             msg="Checking whether Linux should use 32-bit credential calls");
 991
 992         if (conf.CONFIG_SET('USE_LINUX_32BIT_SYSCALLS')):
 993             seteuid = conf.CHECK_CODE('''
 994                                 #define AUTOCONF_TEST 1
 995                                 #define USE_LINUX_THREAD_CREDENTIALS 1
 996                                 #define USE_LINUX_32BIT_SYSCALLS 1
 997                                 #include "../lib/util/setid.c"
 998                                 #include "./lib/util_sec.c"
 999                                 ''',
1000                                 'USE_LINUX_THREAD_CREDENTIALS',
1001                                 addmain=False,
1002                                 execute=True,
1003                                 msg="Checking whether we can use Linux thread-specific credentials with 32-bit system calls")
1004         else:
1005             seteuid = conf.CHECK_CODE('''
1006                                 #define AUTOCONF_TEST 1
1007                                 #define USE_LINUX_THREAD_CREDENTIALS 1
1008                                 #include "../lib/util/setid.c"
1009                                 #include "./lib/util_sec.c"
1010                                 ''',
1011                                 'USE_LINUX_THREAD_CREDENTIALS',
1012                                 addmain=False,
1013                                 execute=True,
1014                                 msg="Checking whether we can use Linux thread-specific credentials")
1015     if not seteuid:
1016         seteuid = conf.CHECK_CODE('''
1017                                 #define AUTOCONF_TEST 1
1018                                 #define USE_SETREUID 1
1019                                 #include "../lib/util/setid.c"
1020                                 #include "./lib/util_sec.c"
1021                                 ''',
1022                                 'USE_SETREUID',
1023                                 addmain=False,
1024                                 execute=True,
1025                                 msg="Checking whether setreuid is available")
1026     if not seteuid:
1027         seteuid = conf.CHECK_CODE('''
1028                                 #define AUTOCONF_TEST 1
1029                                 #define USE_SETRESUID 1
1030                                 #include "../lib/util/setid.c"
1031                                 #include "./lib/util_sec.c"
1032                                 ''',
1033                                 'USE_SETRESUID',
1034                                 addmain=False,
1035                                 execute=True,
1036                                 msg="Checking whether setresuid is available")
1037     if not seteuid:
1038         seteuid = conf.CHECK_CODE('''
1039                                 #define AUTOCONF_TEST 1
1040                                 #define USE_SETEUID 1
1041                                 #include "../lib/util/setid.c"
1042                                 #include "./lib/util_sec.c"
1043                                 ''',
1044                                 'USE_SETEUID',
1045                                 addmain=False,
1046                                 execute=True,
1047                                 msg="Checking whether seteuid is available")
1048     if not seteuid:
1049         seteuid = conf.CHECK_CODE('''
1050                                 #define AUTOCONF_TEST 1
1051                                 #define USE_SETUIDX 1
1052                                 #include "../lib/util/setid.c"
1053                                 #include "./lib/util_sec.c"
1054                                 ''',
1055                                 'USE_SETUIDX',
1056                                 addmain=False,
1057                                 execute=True,
1058                                 mandatory=True,
1059                                 msg="Checking whether setuidx is available")
1060     if Options.options.with_dnsupdate:
1061         if not conf.CONFIG_SET('HAVE_KRB5'):
1062             Logs.warn("--with-dnsupdate=yes but gssapi support not sufficient")
1063         else:
1064             conf.DEFINE('WITH_DNS_UPDATES', 1)
1065     conf.CHECK_HEADERS('valgrind.h valgrind/valgrind.h valgrind/memcheck.h')
1066     if Options.options.developer:
1067         if conf.CONFIG_SET('HAVE_VALGRIND_H') or conf.CONFIG_SET('HAVE_VALGRIND_VALGRIND_H'):
1068             conf.DEFINE('VALGRIND', '1')
1069
1070     if conf.CHECK_CODE('''
1071 #include <bits/sockaddr.h>
1072 #include <linux/netlink.h>
1073 ''',
1074                 'HAVE_LINUX_NETLINK_H',
1075                 msg="Checking whether Linux netlink is available"):
1076
1077         conf.CHECK_CODE('''
1078 #include <bits/sockaddr.h>
1079 #include <linux/netlink.h>
1080 #include <linux/rtnetlink.h>
1081 ''',
1082                 'HAVE_LINUX_RTNETLINK_H',
1083                 msg='Checking whether Linux rtnetlink is available')
1084
1085     conf.CHECK_CODE('''
1086 #include "../tests/fcntl_lock.c"
1087 ''',
1088                 'HAVE_FCNTL_LOCK',
1089                 addmain=False,
1090                 execute=True,
1091                 msg='Checking whether fcntl locking is available')
1092
1093     conf.CHECK_CODE('''
1094 #include <unistd.h>
1095 #include <sys/types.h>
1096 #include <sys/stat.h>
1097 #include <fcntl.h>
1098 #include <errno.h>
1099
1100 #define DATA "ofdtest.fcntl"
1101
1102 int main() {
1103         struct flock lck = {
1104            .l_whence = SEEK_SET,
1105            .l_type = F_WRLCK,
1106            .l_start = 0,
1107            .l_len = 1,
1108            .l_pid = 0,
1109         };
1110         int ret;
1111         int fd1;
1112         int fd2;
1113         char *testdir = getenv("TESTDIR");
1114
1115         if (testdir) {
1116            if (chdir(testdir) != 0) {
1117               goto err;
1118            }
1119         }
1120
1121         unlink(DATA);
1122         fd1 = open(DATA, O_RDWR|O_CREAT|O_EXCL, 0600);
1123         fd2 = open(DATA, O_RDWR);
1124         if (fd1 == -1 || fd2 == -1) {
1125            goto err;
1126         }
1127         ret = fcntl(fd1,F_OFD_SETLKW,&lck);
1128         if (ret == -1) {
1129           goto err;
1130         }
1131         ret = fcntl(fd2,F_OFD_SETLK,&lck);
1132         if (ret != -1) {
1133           goto err;
1134         }
1135         if (errno != EAGAIN) {
1136           goto err;
1137         }
1138         ret = fcntl(fd2,F_OFD_GETLK,&lck);
1139         if (ret == -1) {
1140           goto err;
1141         }
1142         unlink(DATA);
1143         exit(0);
1144 err:
1145         unlink(DATA);
1146         exit(1);
1147 }''',
1148             'HAVE_OFD_LOCKS',
1149             addmain=False,
1150             execute=True,
1151             msg="Checking whether fcntl lock supports open file description locks")
1152
1153 # glibc up to 2.3.6 had dangerously broken posix_fallocate(). DON'T USE IT.
1154     if not conf.CHECK_CODE('''
1155 #define _XOPEN_SOURCE 600
1156 #include <stdlib.h>
1157 #if defined(__GLIBC__) && ((__GLIBC__ < 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 4))
1158 #error probably broken posix_fallocate
1159 #endif
1160 ''',
1161                            '_HAVE_UNBROKEN_POSIX_FALLOCATE',
1162                            msg='Checking for broken posix_fallocate'):
1163         conf.DEFINE('HAVE_BROKEN_POSIX_FALLOCATE', '1')
1164
1165
1166     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_mtim.tv_nsec',
1167                                 define='HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC') # Linux, Solaris
1168     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_mtimensec',
1169                                 define='HAVE_STRUCT_STAT_ST_MTIMENSEC') # BSD, if defined _POSIX_SOURCE
1170     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_mtimespec.tv_nsec',
1171                                 define='HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC') # BSD, if not defined _POSIX_SOURCE
1172     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_mtime_n',
1173                                 define='HAVE_STRUCT_STAT_ST_MTIME_N') # AIX
1174     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_umtime',
1175                                 define='HAVE_STRUCT_STAT_ST_UMTIME') # Tru64
1176     if conf.CONFIG_SET('HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC') or \
1177        conf.CONFIG_SET('HAVE_STRUCT_STAT_ST_MTIMENSEC') or \
1178        conf.CONFIG_SET('HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC') or \
1179        conf.CONFIG_SET('HAVE_STRUCT_STAT_ST_MTIME_N') or \
1180        conf.CONFIG_SET('HAVE_STRUCT_STAT_ST_UMTIME'):
1181         conf.DEFINE('HAVE_STAT_HIRES_TIMESTAMPS', '1')
1182
1183     # recent FreeBSD, NetBSD have creation timestamps called birthtime:
1184     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_birthtime',
1185                                 define='HAVE_STRUCT_STAT_ST_BIRTHTIME')
1186     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_birthtimespec.tv_nsec',
1187                                 define='HAVE_STRUCT_STAT_ST_BIRTHTIMESPEC_TV_NSEC')
1188     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_birthtimensec',
1189                                 define='HAVE_STRUCT_STAT_ST_BIRTHTIMENSEC')
1190
1191     conf.CHECK_CODE('''
1192 ssize_t err = posix_fadvise(0,0,0x80000,POSIX_FADV_WILLNEED);
1193 ''',
1194                 'HAVE_POSIX_FADVISE',
1195                 msg='Checking whether posix_fadvise is available',
1196                 headers='unistd.h fcntl.h')
1197
1198     for v in ['_SC_NGROUPS_MAX', '_SC_NPROC_ONLN', '_SC_NPROCESSORS_ONLN', '_SC_PAGESIZE' ]:
1199         conf.CHECK_CODE('''
1200                         #include <unistd.h>
1201                         return sysconf(%s) == -1 ? 1 : 0;
1202                         ''' % v,
1203                         'SYSCONF%s' % v,
1204                         msg='Checking whether sysconf(%s) is available' % v)
1205
1206     conf.CHECK_CODE('''
1207 #include <sys/syscall.h>
1208 #include <unistd.h>
1209 syscall(SYS_initgroups, 16, NULL, NULL, 0);
1210                     ''',
1211                     'HAVE_DARWIN_INITGROUPS',
1212                     msg='Checking whether to use the Darwin-specific initgroups system call')
1213
1214     conf.CHECK_CODE('''struct utimbuf tbuf;  tbuf.actime = 0; tbuf.modtime = 1; exit(utime("foo.c",&tbuf));''',
1215                     'HAVE_UTIMBUF',
1216                     headers='sys/types.h utime.h',
1217                     msg='Checking whether struct utimbuf is available')
1218
1219     if conf.CHECK_CODE('''struct sigevent s;''',
1220                     'HAVE_STRUCT_SIGEVENT',
1221                     headers='sys/types.h stdlib.h stddef.h signal.h',
1222                     msg='Checking whether we have the struct sigevent'):
1223         conf.CHECK_STRUCTURE_MEMBER('struct sigevent', 'sigev_value.sival_ptr',
1224                                     define='HAVE_STRUCT_SIGEVENT_SIGEV_VALUE_SIVAL_PTR',
1225                                     headers='signal.h');
1226         conf.CHECK_STRUCTURE_MEMBER('struct sigevent', 'sigev_value.sigval_ptr',
1227                                     define='HAVE_STRUCT_SIGEVENT_SIGEV_VALUE_SIGVAL_PTR',
1228                                     headers='signal.h');
1229
1230     if os.path.exists('/proc/sys/kernel/core_pattern'):
1231         conf.DEFINE('HAVE_SYS_KERNEL_PROC_CORE_PATTERN', '1')
1232
1233     if conf.CHECK_CODE('''
1234 #include <time.h>
1235 main() {
1236         struct tm *tm;
1237         if (sizeof(time_t) == 8) {
1238                 time_t max_time = 0x7fffffffffffffffll;
1239                 tm = gmtime(&max_time);
1240                 /* This should fail with 32-bit tm_year. */
1241                 if (tm == NULL) {
1242                         /* Max time_t that works with 32-bit int tm_year in struct tm. */
1243                         max_time = 67768036191676799ll;
1244                         tm = gmtime(&max_time);
1245                         if (tm) {
1246                                 exit(0);
1247                         }
1248                 }
1249         }
1250         exit(1);
1251 }''',
1252         '__TIME_T_MAX',
1253         addmain=False,
1254         execute=True,
1255         msg="Checking for the maximum value of the 'time_t' type"):
1256             conf.DEFINE('TIME_T_MAX', '67768036191676799ll')
1257
1258     conf.CHECK_CODE('''
1259 #if defined(HAVE_UNISTD_H)
1260 #include <unistd.h>
1261 #endif
1262 #include <sys/types.h>
1263 main() { dev_t dev = makedev(1,2); return 0; }
1264 ''',
1265         'HAVE_MAKEDEV',
1266         addmain=False,
1267         msg='Checking whether the macro for makedev is available')
1268
1269     conf.CHECK_CODE('''
1270 #include <stdio.h>
1271 #include <limits.h>
1272 #include <signal.h>
1273
1274 void exit_on_core(int ignored) {
1275         exit(1);
1276 }
1277
1278 main() {
1279         char *newpath;
1280         signal(SIGSEGV, exit_on_core);
1281         newpath = realpath("/tmp", NULL);
1282         exit((newpath != NULL) ? 0 : 1);
1283 }
1284 ''',
1285         'REALPATH_TAKES_NULL',
1286         addmain=False,
1287         execute=True,
1288         msg='Checking whether the realpath function allows a NULL argument')
1289
1290     conf.CHECK_CODE('''#include "../tests/ftruncate.c"''',
1291                     'HAVE_FTRUNCATE_EXTEND',
1292                     msg='Checking for ftruncate extend',
1293                     addmain=False,
1294                     execute=True)
1295
1296     if Options.options.with_sendfile_support:
1297         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):
1298             conf.CHECK_CODE('''
1299                             int tofd, fromfd;
1300                             off_t offset;
1301                             size_t total;
1302                             ssize_t nwritten = sendfile(tofd, fromfd, &offset, total);
1303                             ''',
1304                             '_HAVE_SENDFILE',
1305                             headers='sys/sendfile.h',
1306                             msg='Checking for linux sendfile support')
1307
1308             if conf.CONFIG_SET('_HAVE_SENDFILE'):
1309                 conf.DEFINE('HAVE_SENDFILE', '1')
1310                 conf.DEFINE('LINUX_SENDFILE_API', '1')
1311                 conf.DEFINE('WITH_SENDFILE', '1')
1312         elif (host_os.rfind('freebsd') > -1) or (host_os.rfind('dragonfly') > -1):
1313             conf.CHECK_CODE('''
1314                             #include <sys/types.h>
1315                             #include <unistd.h>
1316                             #include <sys/socket.h>
1317                             #include <sys/uio.h>
1318                             int fromfd, tofd, ret, total=0;
1319                             off_t offset, nwritten;
1320                             struct sf_hdtr hdr;
1321                             struct iovec hdtrl;
1322                             hdr.headers = &hdtrl;
1323                             hdr.hdr_cnt = 1;
1324                             hdr.trailers = NULL;
1325                             hdr.trl_cnt = 0;
1326                             hdtrl.iov_base = NULL;
1327                             hdtrl.iov_len = 0;
1328                             ret = sendfile(fromfd, tofd, offset, total, &hdr, &nwritten, 0)
1329                             ''',
1330                             '_HAVE_SENDFILE',
1331                             msg='Checking for freebsd sendfile support')
1332             if conf.CONFIG_SET('_HAVE_SENDFILE'):
1333                 conf.DEFINE('HAVE_SENDFILE', '1')
1334                 conf.DEFINE('FREEBSD_SENDFILE_API', '1')
1335                 conf.DEFINE('WITH_SENDFILE', '1')
1336         elif (host_os.rfind('darwin') > -1):
1337             conf.CHECK_CODE('''
1338                             #include <sys/types.h>
1339                             #include <sys/socket.h>
1340                             #include <sys/uio.h>
1341                             int fromfd, tofd, ret;
1342                             off_t offset, nwritten;
1343                             struct sf_hdtr hdr;
1344                             struct iovec hdtrl;
1345                             hdr.headers = &hdtrl;
1346                             hdr.hdr_cnt = 1;
1347                             hdr.trailers = (void *)0;
1348                             hdr.trl_cnt = 0;
1349                             hdtrl.iov_base = (void *)0;
1350                             hdtrl.iov_len = 0;
1351                             ret = sendfile(fromfd, tofd, offset, &nwritten, &hdr, 0);
1352                             ''',
1353                             '_HAVE_SENDFILE',
1354                             msg='Checking for darwin sendfile support')
1355             if conf.CONFIG_SET('_HAVE_SENDFILE'):
1356                 conf.DEFINE('HAVE_SENDFILE', '1')
1357                 conf.DEFINE('DARWIN_SENDFILE_API', '1')
1358                 conf.DEFINE('WITH_SENDFILE', '1')
1359         elif (host_os.rfind('hpux') > -1) or (host_os.rfind('osf') > -1):
1360             conf.CHECK_CODE('''
1361                             #include <sys/socket.h>
1362                             #include <sys/uio.h>
1363                             int fromfd, tofd;
1364                             size_t total=0;
1365                             struct iovec hdtrl[2];
1366                             ssize_t nwritten;
1367                             off_t offset;
1368                             hdtrl[0].iov_base = 0;
1369                             hdtrl[0].iov_len = 0;
1370                             nwritten = sendfile(tofd, fromfd, offset, total, &hdtrl[0], 0);
1371                             ''',
1372                             '_HAVE_SENDFILE',
1373                             msg='Checking for osf/hpux sendfile support')
1374             if conf.CONFIG_SET('_HAVE_SENDFILE'):
1375                 conf.DEFINE('HAVE_SENDFILE', '1')
1376                 conf.DEFINE('HPUX_SENDFILE_API', '1')
1377                 conf.DEFINE('WITH_SENDFILE', '1')
1378         elif (host_os.rfind('solaris') > -1):
1379             conf.CHECK_FUNCS_IN('sendfile', 'sendfilev')
1380             conf.CHECK_CODE('''
1381                             #include <sys/sendfile.h>,
1382                             int sfvcnt;
1383                             size_t xferred;
1384                             struct sendfilevec vec[2];
1385                             ssize_t nwritten;
1386                             int tofd;
1387                             sfvcnt = 2;
1388                             vec[0].sfv_fd = SFV_FD_SELF;
1389                             vec[0].sfv_flag = 0;
1390                             vec[0].sfv_off = 0;
1391                             vec[0].sfv_len = 0;
1392                             vec[1].sfv_fd = 0;
1393                             vec[1].sfv_flag = 0;
1394                             vec[1].sfv_off = 0;
1395                             vec[1].sfv_len = 0;
1396                             nwritten = sendfilev(tofd, vec, sfvcnt, &xferred);
1397                             ''',
1398                             '_HAVE_SENDFILEV',
1399                             msg='Checking for solaris sendfilev support')
1400             if conf.CONFIG_SET('_HAVE_SENDFILEV'):
1401                 conf.DEFINE('HAVE_SENDFILEV', '1')
1402                 conf.DEFINE('SOLARIS_SENDFILE_API', '1')
1403                 conf.DEFINE('WITH_SENDFILE', '1')
1404         elif (host_os.rfind('aix') > -1):
1405             conf.CHECK_CODE('''
1406                             #include <sys/socket.h>
1407                             int fromfd, tofd;
1408                             size_t total=0;
1409                             struct sf_parms hdtrl;
1410                             ssize_t nwritten;
1411                             hdtrl.header_data = 0;
1412                             hdtrl.header_length = 0;
1413                             hdtrl.file_descriptor = fromfd;
1414                             hdtrl.file_offset = 0;
1415                             hdtrl.file_bytes = 0;
1416                             hdtrl.trailer_data = 0;
1417                             hdtrl.trailer_length = 0;
1418                             nwritten = send_file(&tofd, &hdtrl, 0);
1419                             ''',
1420                             '_HAVE_SENDFILE',
1421                             msg='Checking for AIX send_file support')
1422             if conf.CONFIG_SET('_HAVE_SENDFILE'):
1423                 conf.DEFINE('HAVE_SENDFILE', '1')
1424                 conf.DEFINE('AIX_SENDFILE_API', '1')
1425                 conf.DEFINE('WITH_SENDFILE', '1')
1426
1427     # Check for getcwd allowing a NULL arg.
1428     conf.CHECK_CODE('''
1429 #include <unistd.h>
1430 main() {
1431         char *s = getcwd(NULL,0);
1432         exit(s != NULL ?  0 : 1);
1433 }''', 'GETCWD_TAKES_NULL', addmain=False, execute=True,
1434         msg="getcwd takes a NULL argument")
1435
1436
1437     # UnixWare 7.x has its getspnam in -lgen
1438     conf.CHECK_FUNCS_IN('getspnam', 'gen')
1439     conf.CHECK_FUNCS_IN('getspnam', 'security')
1440     conf.CHECK_FUNCS_IN('getspnam', 'sec')
1441
1442     legacy_quota_libs = ''
1443     if Options.options.with_quotas:
1444         # For quotas on Veritas VxFS filesystems
1445         conf.CHECK_HEADERS('sys/fs/vx_quota.h')
1446         # For sys/quota.h and linux/quota.h
1447         conf.CHECK_HEADERS('sys/quota.h')
1448         # For quotas on BSD systems
1449         conf.CHECK_HEADERS('ufs/ufs/quota.h')
1450         # For quotas on Linux XFS filesystems
1451         if conf.CHECK_HEADERS('xfs/xqm.h'):
1452             conf.DEFINE('HAVE_XFS_QUOTAS', '1')
1453         else:
1454             # For Irix XFS
1455             conf.CHECK_CODE('''
1456                 #include "confdefs.h"
1457                 #ifdef HAVE_SYS_TYPES_H
1458                 #include <sys/types.h>
1459                 #endif
1460                 #ifdef HAVE_ASM_TYPES_H
1461                 #include <asm/types.h>
1462                 #endif
1463                 #include <sys/quota.h>
1464                 int i = Q_XGETQUOTA;''',
1465                 define='HAVE_XFS_QUOTAS',
1466                 msg='for XFS QUOTA in <sys/quota.h>',
1467                 execute=False,
1468                 local_include=False)
1469
1470         # For IRIX like dqb_isoftlimit instead of dqb_fsoftlimit in struc dqblk
1471         conf.CHECK_STRUCTURE_MEMBER('struct dqblk', 'dqb_fsoftlimit', define='HAVE_DQB_FSOFTLIMIT',
1472                                 headers='sys/quota.h')
1473         #darwin style quota bytecount
1474         conf.CHECK_STRUCTURE_MEMBER('struct dqblk', 'dqb_curbytes', define='HAVE_STRUCT_DQBLK_DQB_CURBYTES',
1475                                 headers='sys/quota.h')
1476         if conf.CHECK_HEADERS('rpcsvc/rquota.h'):
1477             conf.DEFINE('HAVE_NFS_QUOTAS', '1')
1478             conf.CHECK_STRUCTURE_MEMBER('struct getquota_rslt', 'getquota_rslt_u',
1479                                         define='HAVE_GETQUOTA_RSLT_GETQUOTA_RSLT_U',
1480                                         headers='rpcsvc/rquota.h')
1481
1482         if (host_os.rfind('linux') > -1):
1483             conf.DEFINE('HAVE_QUOTACTL_LINUX', '1')
1484         elif not conf.CONFIG_SET("HAVE_XFS_QUOTAS"):
1485             if not conf.CHECK_CODE('''
1486                 #define HAVE_QUOTACTL_4A 1
1487                 #define AUTOCONF_TEST 1
1488                 #include "../tests/sysquotas.c"
1489                 ''',
1490                                    cflags=conf.env['WERROR_CFLAGS'],
1491                                    define='HAVE_QUOTACTL_4A',
1492                                    msg='for QUOTACTL_4A: long quotactl(int cmd, char *special, qid_t id, caddr_t addr)',
1493                                    execute=True,
1494                                    addmain=False):
1495
1496                 conf.CHECK_CODE('''
1497                 #define HAVE_QUOTACTL_4B 1
1498                 #define AUTOCONF_TEST 1
1499                 #include "../tests/sysquotas.c"
1500                 ''',
1501                                 cflags=conf.env['WERROR_CFLAGS'],
1502                                 define='HAVE_QUOTACTL_4B',
1503                                 msg='for QUOTACTL_4B:  int quotactl(const char *path, int cmd, int id, char *addr)',
1504                                 execute=True,
1505                                 addmain=False)
1506
1507         conf.CHECK_CODE('''
1508                      clnt_create("", RQUOTAPROG, RQUOTAVERS, "udp");
1509 ''',
1510                         headers="rpc/rpc.h rpc/types.h rpcsvc/rquota.h rpc/nettype.h rpc/xdr.h",
1511                         define='HAVE_NFS_QUOTAS',
1512                         msg='for NFS QUOTAS',
1513                         execute=True,
1514                         local_include=False)
1515
1516         if conf.CONFIG_SET('HAVE_QUOTACTL_LINUX') or \
1517            conf.CONFIG_SET('HAVE_QUOTACTL_4A') or \
1518            conf.CONFIG_SET('HAVE_QUOTACTL_4B') or \
1519            conf.CONFIG_SET('HAVE_XFS_QUOTAS'):
1520             conf.DEFINE('HAVE_SYS_QUOTAS', '1')
1521             conf.DEFINE('WITH_QUOTAS', '1')
1522
1523         #
1524         # check if Legacy quota code can be brought in
1525         # if standard interfaces are not supported
1526         #
1527         if not conf.CONFIG_SET('WITH_QUOTAS'):
1528             if host_os.rfind('sunos5') > -1:
1529                 conf.DEFINE('SUNOS5', '1')
1530                 legacy_quota_libs = 'nsl'
1531             conf.CHECK_CODE('''
1532             #define WITH_QUOTAS 1
1533             #define AUTOCONF_TEST 1
1534             #include "../tests/oldquotas.c"
1535             ''',
1536                             cflags=conf.env['WERROR_CFLAGS'],
1537                             define='WITH_QUOTAS',
1538                             lib=legacy_quota_libs,
1539                             msg='Checking whether legacy quota code can be used',
1540                             execute=False,
1541                             addmain=False)
1542             if not conf.CONFIG_SET('WITH_QUOTAS'):
1543                 legacy_quota_libs = ''
1544     conf.env['legacy_quota_libs'] = legacy_quota_libs
1545
1546     #
1547     # cluster support (CTDB)
1548     #
1549     if not Options.options.with_cluster_support:
1550         Logs.info("building without cluster support (--without-cluster-support)")
1551         conf.env.with_ctdb = False
1552     else:
1553         Logs.info("building with cluster support")
1554         conf.env.with_ctdb = True
1555         conf.DEFINE('CLUSTER_SUPPORT', 1)
1556
1557     conf.CHECK_CODE('void seekdir(DIR *d, long loc) { return; }',
1558                     'SEEKDIR_RETURNS_VOID',
1559                     headers='sys/types.h dirent.h',
1560                     msg='Checking whether seekdir returns void')
1561
1562     if Options.options.with_profiling_data:
1563         conf.DEFINE('WITH_PROFILE', 1);
1564         conf.CHECK_FUNCS('getrusage', headers="sys/time.h sys/resource.h")
1565
1566     if Options.options.with_pthreadpool:
1567         if conf.CONFIG_SET('HAVE_PTHREAD'):
1568             conf.DEFINE('WITH_PTHREADPOOL', '1')
1569         else:
1570             Logs.warn("pthreadpool support cannot be enabled when pthread support was not found")
1571             conf.undefine('WITH_PTHREADPOOL')
1572
1573     if (conf.CHECK_HEADERS('linux/ioctl.h sys/ioctl.h linux/fs.h') and
1574         conf.CHECK_DECLS('FS_IOC_GETFLAGS FS_COMPR_FL', headers='linux/fs.h')):
1575             conf.DEFINE('HAVE_LINUX_IOCTL', '1')
1576
1577     conf.env['CCFLAGS_CEPHFS'] = "-D_FILE_OFFSET_BITS=64"
1578     if Options.options.libcephfs_dir:
1579         conf.env['CPPPATH_CEPHFS'] = Options.options.libcephfs_dir + '/include'
1580         conf.env['LIBPATH_CEPHFS'] = Options.options.libcephfs_dir + '/lib'
1581
1582     if conf.CHECK_HEADERS('cephfs/libcephfs.h', False, False, 'cephfs') and conf.CHECK_LIB('cephfs', shlib=True) and Options.options.with_cephfs:
1583         if Options.options.with_acl_support:
1584             conf.DEFINE('HAVE_CEPH', '1')
1585         else:
1586             Logs.warn("ceph support disabled due to --without-acl-support")
1587             conf.undefine('HAVE_CEPH')
1588
1589     if Options.options.with_glusterfs:
1590         conf.CHECK_CFG(package='glusterfs-api', args='"glusterfs-api >= 4" --cflags --libs',
1591                        msg='Checking for glusterfs-api >= 4', uselib_store="GFAPI")
1592         conf.CHECK_HEADERS('api/glfs.h', lib='gfapi')
1593         conf.CHECK_LIB('gfapi', shlib=True)
1594
1595         if conf.CONFIG_SET('HAVE_API_GLFS_H'):
1596             if Options.options.with_acl_support:
1597                  conf.DEFINE('HAVE_GLUSTERFS', '1')
1598             else:
1599                 Logs.warn("GlusterFS support disabled due to --without-acl-support")
1600                 conf.undefine('HAVE_GLUSTERFS')
1601         else:
1602             conf.undefine('HAVE_GLUSTERFS')
1603     else:
1604         conf.SET_TARGET_TYPE('gfapi', 'EMPTY')
1605         conf.undefine('HAVE_GLUSTERFS')
1606
1607     if Options.options.enable_vxfs:
1608         conf.DEFINE('HAVE_VXFS', '1')
1609
1610     if conf.CHECK_CFG(package='dbus-1', args='--cflags --libs',
1611                       msg='Checking for dbus', uselib_store="DBUS-1"):
1612         if (conf.CHECK_HEADERS('dbus/dbus.h', lib='dbus-1')
1613                                       and conf.CHECK_LIB('dbus-1', shlib=True)):
1614             conf.DEFINE('HAVE_DBUS', '1')
1615
1616     conf.env.build_regedit = False
1617     if not Options.options.with_regedit == False:
1618         conf.PROCESS_SEPARATE_RULE('system_ncurses')
1619         if conf.CONFIG_SET('HAVE_NCURSES'):
1620             conf.env.build_regedit = True
1621
1622     if conf.env.build_regedit:
1623         Logs.info("building regedit")
1624     else:
1625         if Options.options.with_regedit == False:
1626             Logs.info("not building regedit (--without-regedit)")
1627         elif Options.options.with_regedit == True:
1628             Logs.error("ncurses not available, cannot build regedit")
1629             conf.fatal("ncurses not available, but --with-regedit was specified")
1630         else:
1631             Logs.info("ncurses not available, not building regedit")
1632
1633     conf.CHECK_FUNCS_IN('DES_pcbc_encrypt', 'crypto')
1634     if Options.options.with_fake_kaserver == True:
1635         conf.CHECK_HEADERS('afs/param.h afs/stds.h', together=True)
1636         conf.CHECK_HEADERS('afs/param.h afs/stds.h', together=True)
1637         if (conf.CONFIG_SET('HAVE_AFS_PARAM_H') and conf.CONFIG_SET('HAVE_AFS_STDS_H') and conf.CONFIG_SET('HAVE_DES_PCBC_ENCRYPT')):
1638             conf.DEFINE('WITH_FAKE_KASERVER', '1')
1639         else:
1640             conf.fatal('AFS headers not available, but --with-fake-kaserver was specified')
1641
1642     conf.env['libtracker']=''
1643     conf.env.with_spotlight = False
1644     if Options.options.with_spotlight:
1645         versions = ['1.0', '0.16', '0.14']
1646         for version in versions:
1647             testlib = 'tracker-sparql-' + version
1648             if conf.CHECK_CFG(package=testlib,
1649                               args='--cflags --libs',
1650                               mandatory=False):
1651                 conf.SET_TARGET_TYPE(testlib, 'SYSLIB')
1652                 conf.env['libtracker'] = testlib
1653                 conf.env.with_spotlight = True
1654                 conf.DEFINE('WITH_SPOTLIGHT', '1')
1655                 break
1656
1657         if not conf.env.with_spotlight:
1658             conf.fatal("Spotlight support requested but tracker-sparql library missing")
1659         Logs.info("building with Spotlight support")
1660         default_static_modules.extend(TO_LIST('rpc_mdssvc_module'))
1661
1662     forced_static_modules.extend(TO_LIST('auth_domain auth_builtin auth_sam auth_winbind'))
1663     default_static_modules.extend(TO_LIST('''pdb_smbpasswd pdb_tdbsam pdb_wbc_sam
1664                                       auth_unix auth_wbc
1665                                       nss_info_template idmap_tdb idmap_passdb
1666                                       idmap_nss'''))
1667
1668     default_shared_modules.extend(TO_LIST('''
1669                                       vfs_recycle vfs_audit vfs_extd_audit vfs_full_audit vfs_netatalk
1670                                       vfs_fake_perms vfs_default_quota vfs_readonly vfs_cap
1671                                       vfs_expand_msdfs vfs_shadow_copy vfs_shadow_copy2
1672                                       vfs_readahead vfs_xattr_tdb vfs_posix_eadb
1673                                       vfs_streams_xattr vfs_streams_depot vfs_acl_xattr vfs_acl_tdb
1674                                       vfs_preopen vfs_catia
1675                                       vfs_media_harmony vfs_unityed_media vfs_fruit vfs_shell_snap
1676                                       vfs_commit vfs_worm vfs_crossrename vfs_linux_xfs_sgid
1677                                       vfs_time_audit vfs_offline
1678                                   '''))
1679     default_shared_modules.extend(TO_LIST('auth_script idmap_tdb2 idmap_script'))
1680     # these have broken dependencies
1681     forced_shared_modules.extend(TO_LIST('idmap_autorid idmap_rid idmap_hash'))
1682
1683     if Options.options.developer:
1684         default_static_modules.extend(TO_LIST('charset_weird'))
1685         default_shared_modules.extend(TO_LIST('perfcount_test'))
1686         default_shared_modules.extend(TO_LIST('vfs_skel_opaque vfs_skel_transparent vfs_shadow_copy_test'))
1687         default_shared_modules.extend(TO_LIST('auth_skel pdb_test'))
1688         default_shared_modules.extend(TO_LIST('vfs_fake_dfq'))
1689
1690     if Options.options.enable_selftest or Options.options.developer:
1691         default_shared_modules.extend(TO_LIST('vfs_fake_acls vfs_nfs4acl_xattr'))
1692
1693     if conf.CONFIG_SET('AD_DC_BUILD_IS_ENABLED'):
1694         default_static_modules.extend(TO_LIST('pdb_samba_dsdb auth_samba4 vfs_dfs_samba4'))
1695
1696     if conf.CONFIG_SET('HAVE_FREEBSD_SUNACL_H'):
1697         default_shared_modules.extend(TO_LIST('vfs_zfsacl'))
1698
1699     if conf.CONFIG_SET('HAVE_DIRFD_DECL'):
1700         default_shared_modules.extend(TO_LIST('vfs_syncops vfs_dirsort'))
1701
1702     if conf.CONFIG_SET('HAVE_STATFS_F_FSID'):
1703         default_shared_modules.extend(TO_LIST('vfs_fileid'))
1704
1705     if (conf.CONFIG_SET('HAVE_STRUCT_MSGHDR_MSG_CONTROL') or conf.CONFIG_SET('HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTS')):
1706         default_shared_modules.extend(TO_LIST('vfs_aio_fork'))
1707
1708     if Options.options.with_pthreadpool:
1709         default_shared_modules.extend(TO_LIST('vfs_aio_pthread'))
1710
1711     if conf.CONFIG_SET('HAVE_LINUX_KERNEL_AIO'):
1712         default_shared_modules.extend(TO_LIST('vfs_aio_linux'))
1713
1714     if conf.CONFIG_SET('HAVE_LDAP'):
1715         default_static_modules.extend(TO_LIST('pdb_ldapsam idmap_ldap'))
1716
1717     if conf.CONFIG_SET('DARWINOS'):
1718         default_static_modules.extend(TO_LIST('charset_macosxfs'))
1719
1720     if conf.CONFIG_SET('HAVE_GPFS'):
1721         default_shared_modules.extend(TO_LIST('vfs_gpfs'))
1722
1723     if (conf.CONFIG_SET('HAVE_LINUX_IOCTL')
1724       and conf.CONFIG_SET('HAVE_BASENAME') and conf.CONFIG_SET('HAVE_DIRNAME')):
1725         default_shared_modules.extend(TO_LIST('vfs_btrfs'))
1726
1727     if conf.CONFIG_SET("HAVE_CEPH"):
1728         default_shared_modules.extend(TO_LIST('vfs_ceph'))
1729
1730     if conf.CONFIG_SET('HAVE_GLUSTERFS'):
1731         default_shared_modules.extend(TO_LIST('vfs_glusterfs'))
1732
1733     if conf.CONFIG_SET('HAVE_VXFS'):
1734         default_shared_modules.extend(TO_LIST('vfs_vxfs'))
1735
1736     if conf.CONFIG_SET('HAVE_DBUS'):
1737         default_shared_modules.extend(TO_LIST('vfs_snapper'))
1738
1739     explicit_shared_modules = TO_LIST(Options.options.shared_modules, delimiter=',')
1740     explicit_static_modules = TO_LIST(Options.options.static_modules, delimiter=',')
1741
1742     def replace_list_item(lst, item, value):
1743         try:
1744             idx = lst.index(item)
1745             lst[idx] = value
1746         except:
1747             pass
1748     # PDB module file name should have the same name as module registers itself
1749     # In Autoconf build we export LDAP passdb module as ldapsam but WAF build
1750     # was always exporting pdb_ldap. In order to support existing packages
1751     # allow referring to pdb_ldapsam as pdb_ldap but use proper name internally.
1752     replace_list_item(explicit_shared_modules, 'pdb_ldap', 'pdb_ldapsam')
1753     replace_list_item(explicit_static_modules, 'pdb_ldap', 'pdb_ldapsam')
1754
1755     final_static_modules = []
1756     final_static_modules.extend(TO_LIST(required_static_modules))
1757     final_shared_modules = []
1758
1759     if '!FORCED' not in explicit_static_modules:
1760         final_static_modules.extend(TO_LIST(forced_static_modules))
1761     if '!FORCED' not in explicit_shared_modules:
1762         final_shared_modules.extend(TO_LIST(forced_shared_modules))
1763     if '!DEFAULT' not in explicit_static_modules:
1764         final_static_modules.extend(TO_LIST(default_static_modules))
1765     if '!DEFAULT' not in explicit_shared_modules:
1766         final_shared_modules.extend(TO_LIST(default_shared_modules))
1767
1768     if 'ALL' in explicit_static_modules:
1769         for m in default_shared_modules:
1770             if m in final_shared_modules:
1771                 final_shared_modules.remove(m)
1772             final_static_modules.append(m)
1773     if 'ALL' in explicit_shared_modules:
1774         for m in default_static_modules:
1775             if m in final_static_modules:
1776                 final_static_modules.remove(m)
1777             final_shared_modules.append(m)
1778
1779     for m in explicit_static_modules:
1780         if m in ['ALL','!DEFAULT','!FORCED']:
1781             continue
1782         if m.startswith('!'):
1783             m = m[1:]
1784             if m in required_static_modules:
1785                 raise Utils.WafError('These modules are REQUIRED as static modules: %s' %
1786                                      ' '.join(required_static_modules))
1787             if m in final_static_modules:
1788                 final_static_modules.remove(m)
1789             continue
1790         if m in forced_shared_modules:
1791             raise Utils.WafError('These modules MUST be configured as shared modules: %s' %
1792                                  ' '.join(forced_shared_modules))
1793         if m in final_shared_modules:
1794             final_shared_modules.remove(m)
1795         if m not in final_static_modules:
1796             final_static_modules.append(m)
1797     for m in explicit_shared_modules:
1798         if m in ['ALL','!DEFAULT','!FORCED']:
1799             continue
1800         if m.startswith('!'):
1801             m = m[1:]
1802             if m in final_shared_modules:
1803                 final_shared_modules.remove(m)
1804             continue
1805         if m in required_static_modules:
1806             raise Utils.WafError('These modules are REQUIRED as static modules: %s' %
1807                                  ' '.join(required_static_modules))
1808         if m in forced_static_modules:
1809             raise Utils.WafError('These module MUST be configured as static modules: %s' %
1810                                  ' '.join(forced_static_modules))
1811         if m in final_static_modules:
1812             final_static_modules.remove(m)
1813         if m not in final_shared_modules:
1814             final_shared_modules.append(m)
1815
1816     conf.env['static_modules'] = final_static_modules
1817     conf.env['shared_modules'] = final_shared_modules
1818
1819     conf.DEFINE('STRING_STATIC_MODULES', ' '.join(final_static_modules), quote=True)
1820
1821     static_list = {}
1822     shared_list = {}
1823
1824     prefixes = ['vfs', 'pdb', 'auth', 'nss_info', 'charset', 'idmap', 'gpext', 'perfcount', 'rpc']
1825     conf.env['MODULE_PREFIXES'] = prefixes
1826     for p in prefixes:
1827         for m in final_static_modules:
1828             if m.find(p) == 0:
1829                 if not p in static_list:
1830                     static_list[p] = []
1831                 static_list[p].append(m)
1832         for m in final_shared_modules:
1833             if m.find(p) == 0:
1834                 if not p in shared_list:
1835                     shared_list[p] = []
1836                 shared_list[p].append(m)
1837
1838     for p in prefixes:
1839         static_env = "%s_STATIC" % p.upper()
1840         shared_env = "%s_SHARED" % p.upper()
1841         conf.env[static_env] = []
1842         conf.env[shared_env] = []
1843         if p in static_list:
1844             decl_list=""
1845             for entry in static_list[p]:
1846                 decl_list += "extern NTSTATUS %s_init(void); " % entry
1847                 conf.env[static_env].append('%s' % entry)
1848             decl_list = decl_list.rstrip()
1849             conf.DEFINE('static_decl_%s' % p, decl_list)
1850             conf.DEFINE('static_init_%s' % p, '{ %s_init(); }' % '_init();  '.join(static_list[p]))
1851         else:
1852             conf.DEFINE('static_decl_%s' % p, '')
1853             conf.DEFINE('static_init_%s' % p, '{}')
1854         if p in shared_list:
1855             for entry in shared_list[p]:
1856                 conf.DEFINE('%s_init' % entry, 'samba_init_module')
1857                 conf.env[shared_env].append('%s' % entry)
1858         Logs.info("%s: %s" % (static_env, ','.join(conf.env[static_env])))
1859         Logs.info("%s: %s" % (shared_env, ','.join(conf.env[shared_env])))
1860
1861     conf.SAMBA_CONFIG_H('include/config.h')
1862
1863 def ctags(ctx):
1864     "build 'tags' file using ctags"
1865     import Utils
1866     source_root = os.path.dirname(Utils.g_module.root_path)
1867     cmd = 'ctags $(find %s/.. -name "*.[ch]" | grep -v "*_proto\.h")' % source_root
1868     print("Running: %s" % cmd)
1869     os.system(cmd)
1870