third_party/pam_wrapper/wscript

   1 #!/usr/bin/env python
   2
   3 import os
   4
   5 VERSION="1.0.4"
   6
   7 def find_library(library_names, lookup_paths):
   8     for directory in lookup_paths:
   9         for filename in library_names:
  10             libpam_path = os.path.join(directory, filename)
  11             if os.path.exists(libpam_path):
  12                 return libpam_path
  13     return ''
  14
  15 def configure(conf):
  16     if conf.CHECK_PAM_WRAPPER():
  17         conf.DEFINE('USING_SYSTEM_PAM_WRAPPER', 1)
  18         libpam_wrapper_so_path = 'libpam_wrapper.so'
  19     else:
  20         # check HAVE_GCC_THREAD_LOCAL_STORAGE
  21         conf.CHECK_CODE('''
  22             __thread int tls;
  23
  24             int main(void) {
  25                 return 0;
  26             }
  27             ''',
  28             'HAVE_GCC_THREAD_LOCAL_STORAGE',
  29             addmain=False,
  30             msg='Checking for thread local storage')
  31
  32         # check HAVE_DESTRUCTOR_ATTRIBUTE
  33         conf.CHECK_CODE('''
  34             void test_destructor_attribute(void) __attribute__ ((destructor));
  35
  36             void test_destructor_attribute(void)
  37             {
  38                 return;
  39             }
  40
  41             int main(void) {
  42                 return 0;
  43             }
  44             ''',
  45             'HAVE_DESTRUCTOR_ATTRIBUTE',
  46             addmain=False,
  47             msg='Checking for library destructor support')
  48
  49         # check HAVE_FUNCTION_ATTRIBUTE_FORMAT
  50         conf.CHECK_CODE('''
  51             void log_fn(const char *format, ...) __attribute__ ((format (printf, 1, 2)));
  52
  53             int main(void) {
  54                 return 0;
  55             }
  56             ''',
  57             'HAVE_FUNCTION_ATTRIBUTE_FORMAT',
  58             addmain=False,
  59             msg='Checking for printf format validation support')
  60
  61         conf.CHECK_HEADERS('security/pam_appl.h')
  62         conf.CHECK_HEADERS('security/pam_modules.h')
  63         conf.CHECK_HEADERS('security/pam_ext.h')
  64
  65         conf.CHECK_FUNCS_IN('pam_vsyslog',
  66                             'pam',
  67                             checklibc=False,
  68                             headers='security/pam_ext.h')
  69
  70         conf.CHECK_FUNCS_IN('pam_syslog',
  71                             'pam',
  72                             checklibc=False,
  73                             headers='security/pam_ext.h')
  74
  75         conf.CHECK_C_PROTOTYPE('pam_vprompt',
  76                                'int pam_vprompt(const pam_handle_t *_pamh, int _style, char **_resp, const char *_fmt, va_list _ap)',
  77                                define='HAVE_PAM_VPROMPT_CONST', headers='stdio.h sys/types.h security/pam_appl.h security/pam_modules.h')
  78
  79         conf.CHECK_C_PROTOTYPE('pam_prompt',
  80                                'int pam_prompt(const pam_handle_t *_pamh, int _style, char **_resp, const char *_fmt, ...)',
  81                                define='HAVE_PAM_PROMPT_CONST', headers='stdio.h sys/types.h security/pam_appl.h security/pam_modules.h')
  82
  83         conf.CHECK_C_PROTOTYPE(
  84             'pam_strerror',
  85             'const char *pam_strerror(const pam_handle_t *pamh, int errnum)',
  86             define='HAVE_PAM_STRERROR_CONST',
  87             headers='''stdio.h sys/types.h security/pam_appl.h
  88                        security/pam_modules.h''')
  89
  90         # Find the absolute path to libpam.so.0
  91         libpam_path = find_library(['libpam.so.0', 'libpam.so'], conf.env.STANDARD_LIBPATH)
  92         conf.DEFINE('PAM_LIBRARY', ('"%s"' % libpam_path ))
  93
  94         # Create full path to pam_wrapper
  95         blddir = os.path.realpath(conf.blddir)
  96         libpam_wrapper_so_path = blddir + '/default/third_party/pam_wrapper/libpam-wrapper.so'
  97
  98     conf.DEFINE('LIBPAM_WRAPPER_SO_PATH', libpam_wrapper_so_path)
  99     conf.DEFINE('PAM_WRAPPER', 1)
 100
 101 def build(bld):
 102     if not bld.CONFIG_SET("USING_SYSTEM_PAM_WRAPPER"):
 103         # We need to do it this way or the library wont work.
 104         # Using private_library=True will add symbol version which
 105         # breaks preloading!
 106         bld.SAMBA_LIBRARY('pam_wrapper',
 107                           source='pam_wrapper.c',
 108                           deps='dl',
 109                           install=False,
 110                           realname='libpam-wrapper.so')
 111
 112         bld.SAMBA_SUBSYSTEM('libpamtest',
 113                             source='libpamtest.c',
 114                             deps='dl pam')
 115
 116         # Can be used to write pam tests in python
 117         for env in bld.gen_python_environments():
 118             bld.SAMBA_PYTHON('pypamtest',
 119                              source='python/pypamtest.c',
 120                              deps='libpamtest',
 121                              install=False)