third_party/socket_wrapper/wscript

   1 #!/usr/bin/env python
   2
   3 import os
   4
   5 VERSION = "1.4.2"
   6
   7
   8 def configure(conf):
   9     if conf.CHECK_SOCKET_WRAPPER():
  10         conf.DEFINE('USING_SYSTEM_SOCKET_WRAPPER', 1)
  11         libsocket_wrapper_so_path = 'libsocket_wrapper.so'
  12     else:
  13
  14         if conf.CONFIG_SET("HAVE___THREAD"):
  15             conf.DEFINE("HAVE_GCC_THREAD_LOCAL_STORAGE", 1)
  16
  17         # check HAVE_FUNCTION_ATTRIBUTE_FORMAT
  18         conf.CHECK_CODE('''
  19             void log_fn(const char *format, ...) __attribute__ ((format (printf, 1, 2)));
  20
  21             int main(void) {
  22                 return 0;
  23             }
  24             ''',
  25             'HAVE_FUNCTION_ATTRIBUTE_FORMAT',
  26             addmain=False,
  27             strict=True,
  28             msg='Checking for printf format validation support')
  29
  30         conf.CHECK_HEADERS('sys/signalfd.h')
  31         conf.CHECK_HEADERS('sys/eventfd.h')
  32         conf.CHECK_HEADERS('sys/timerfd.h')
  33         conf.CHECK_HEADERS('gnu/lib-names.h')
  34         conf.CHECK_HEADERS('rpc/rpc.h')
  35         conf.CHECK_HEADERS('netinet/tcp_fsm.h')
  36
  37         conf.CHECK_STRUCTURE_MEMBER('struct msghdr',
  38                                     'msg_control',
  39                                     headers='sys/types.h sys/socket.h',
  40                                     define='HAVE_STRUCT_MSGHDR_MSG_CONTROL')
  41
  42         conf.CHECK_STRUCTURE_MEMBER('struct in_pktinfo',
  43                                     'ipi_addr',
  44                                     headers='sys/types.h sys/socket.h netinet/in.h',
  45                                     define='HAVE_STRUCT_IN_PKTINFO')
  46
  47         conf.CHECK_STRUCTURE_MEMBER('struct in6_pktinfo',
  48                                     'ipi6_addr',
  49                                     headers='sys/types.h sys/socket.h netinet/in.h',
  50                                     define='HAVE_STRUCT_IN6_PKTINFO')
  51
  52         conf.CHECK_FUNCS('getaddrinfo')
  53         conf.CHECK_FUNCS('signalfd eventfd timerfd_create')
  54         conf.CHECK_FUNCS('bindresvport')
  55         conf.CHECK_FUNCS('pledge')
  56         conf.CHECK_FUNCS('accept4')
  57         conf.CHECK_FUNCS('sendmmsg recvmmsg')
  58         conf.CHECK_FUNCS('__close_nocancel')
  59         conf.CHECK_FUNCS('openat64')
  60         conf.CHECK_FUNCS('fopen64')
  61         conf.CHECK_FUNCS('open64')
  62         conf.CHECK_FUNCS('fcntl64')
  63
  64         conf.CHECK_FUNCS_IN('bind',
  65                             'socket',
  66                             checklibc=True,
  67                             headers='sys/types.h sys/socket.h')
  68
  69         conf.CHECK_C_PROTOTYPE('accept',
  70                                'int accept(int s, struct sockaddr *addr, Psocklen_t addrlen)',
  71                                define='HAVE_ACCEPT_PSOCKLEN_T', headers='sys/types.h sys/socket.h')
  72
  73         # Linux legacy glibc < 2.21
  74         conf.CHECK_C_PROTOTYPE('recvmmsg',
  75                                'int recvmmsg(int __fd, struct mmsghdr *__vmessages, unsigned int __vlen, int __flags, const struct timespec *__tmo)',
  76                                define='HAVE_RECVMMSG_CONST_TIMEOUT', headers='sys/types.h sys/socket.h')
  77         # FreeBSD
  78         conf.CHECK_C_PROTOTYPE('recvmmsg',
  79                                'ssize_t recvmmsg(int __fd, struct mmsghdr * __restrict __vmessages, size_t __vlen, int __flags, const struct timespec * __restrict __tmo)',
  80                                define='HAVE_RECVMMSG_SSIZE_T_CONST_TIMEOUT', headers='sys/types.h sys/socket.h')
  81         # FreeBSD
  82         conf.CHECK_C_PROTOTYPE('sendmmsg',
  83                                'ssize_t sendmmsg(int __fd, struct mmsghdr * __restrict __vmessages, size_t __vlen, int __flags)',
  84                                define='HAVE_SENDMMSG_SSIZE_T', headers='sys/types.h sys/socket.h')
  85
  86         conf.CHECK_C_PROTOTYPE('ioctl',
  87                                'int ioctl(int s, int r, ...)',
  88                                define='HAVE_IOCTL_INT', headers='unistd.h sys/ioctl.h')
  89
  90         if conf.CONFIG_SET("HAVE_EVENTFD"):
  91             conf.CHECK_C_PROTOTYPE('eventfd',
  92                                    'int eventfd(unsigned int count, int flags)',
  93                                    define='HAVE_EVENTFD_UNSIGNED_INT', headers='sys/eventfd.h')
  94
  95         # FreeBSD exports each syscall also with '_' as prefix
  96         # and these symbols are used if called by system libraries itself.
  97         # That means socket_wrapper needs to implement these too
  98         # in order to inject itself into system libraries,
  99         # we just check for _socket and _close and assume the rest
 100         # is also there...
 101         conf.CHECK_FUNCS('_socket _close')
 102
 103         # Create full path to socket_wrapper
 104         blddir = os.path.realpath(conf.bldnode.abspath())
 105         libsocket_wrapper_so_path = blddir + '/default/third_party/socket_wrapper/libsocket-wrapper.so'
 106
 107     conf.DEFINE('LIBSOCKET_WRAPPER_SO_PATH', libsocket_wrapper_so_path)
 108     conf.DEFINE('SOCKET_WRAPPER', 1)
 109
 110 def build(bld):
 111     if not bld.CONFIG_SET("USING_SYSTEM_SOCKET_WRAPPER"):
 112         # We need to do it this way or the library wont work.
 113         # We need force_unversioned=True as symbol versioning
 114         # breaks preloading!
 115         bld.SAMBA_LIBRARY('socket_wrapper',
 116                           source='socket_wrapper.c',
 117                           cflags='-D%s="%s" -D%s="%s"' % (
 118                               "SOCKET_WRAPPER_PACKAGE",
 119                               "samba_socket_wrapper",
 120                               "SOCKET_WRAPPER_VERSION",
 121                               VERSION),
 122                           deps='dl pthread tirpc',
 123                           install=False,
 124                           force_unversioned=True,
 125                           realname='libsocket-wrapper.so')