wscript_configure_system_mitkrb5

   1 import Logs, Options
   2
   3 # Check for kerberos
   4 have_gssapi=False
   5
   6 def krb5_define_syslib(conf, lib, deps):
   7     found = 'FOUND_SYSTEMLIB_' + lib
   8     if found in conf.env:
   9         return
  10     conf.SET_TARGET_TYPE(lib, 'SYSLIB')
  11     conf.SET_SYSLIB_DEPS(lib, deps)
  12     conf.env[found] = True
  13
  14 Logs.info("Looking for kerberos features")
  15 conf.find_program('krb5-config.heimdal', var='HEIMDAL_KRB5_CONFIG')
  16 conf.find_program('krb5-config', var='KRB5_CONFIG')
  17 if conf.env.KRB5_CONFIG:
  18     conf.check_cfg(path="krb5-config", args="--cflags --libs",
  19                package="", uselib_store="KRB5")
  20     krb5_define_syslib(conf, "krb5", conf.env['LIB_KRB5'])
  21     for lib in conf.env['LIB_KRB5']:
  22         krb5_define_syslib(conf, lib, lib)
  23
  24     conf.check_cfg(path="krb5-config", args="--cflags --libs",
  25                package="gssapi", uselib_store="GSSAPI")
  26     krb5_define_syslib(conf, "gssapi", conf.env['LIB_GSSAPI'])
  27
  28     vendor = conf.cmd_and_log("%(path)s --vendor" % dict(path=conf.env.KRB5_CONFIG), dict())
  29     conf.env.KRB5_VENDOR = vendor.strip().lower()
  30     if conf.env.KRB5_VENDOR != 'heimdal':
  31         conf.define('USING_SYSTEM_KRB5', 1)
  32         del conf.env.HEIMDAL_KRB5_CONFIG
  33
  34 conf.check_cfg(args="--cflags --libs", package="com_err", uselib_store="com_err")
  35 conf.CHECK_FUNCS_IN('_et_list', 'com_err')
  36 conf.CHECK_HEADERS('com_err.h', lib='com_err')
  37
  38 conf.CHECK_HEADERS('krb5.h krb5/locate_plugin.h', lib='krb5')
  39 conf.CHECK_HEADERS('gssapi.h gssapi/gssapi_generic.h gssapi/gssapi.h gssapi/gssapi_ext.h gssapi/gssapi_krb5.h', lib='gssapi')
  40
  41 conf.CHECK_FUNCS_IN('krb5_encrypt_data', 'k5crypto')
  42 conf.CHECK_FUNCS_IN('des_set_key','crypto')
  43 conf.CHECK_FUNCS_IN('copy_Authenticator', 'asn1')
  44 conf.CHECK_FUNCS_IN('roken_getaddrinfo_hostspec', 'roken')
  45 if conf.CHECK_FUNCS_IN('gss_display_status', 'gssapi') or \
  46    conf.CHECK_FUNCS_IN('gss_display_status', 'gssapi_krb5'):
  47     have_gssapi=True
  48 conf.CHECK_FUNCS_IN('''
  49        gss_wrap_iov
  50        gss_krb5_import_cred
  51        gss_get_name_attribute
  52        gss_mech_krb5
  53        gss_oid_equal
  54        gss_inquire_sec_context_by_oid
  55        gsskrb5_extract_authz_data_from_sec_context
  56        gss_krb5_export_lucid_sec_context
  57        gss_import_cred gss_export_cred
  58        ''', 'gssapi gssapi_krb5 krb5')
  59 conf.CHECK_FUNCS_IN('krb5_mk_req_extended krb5_kt_compare', 'krb5')
  60 conf.CHECK_FUNCS('''
  61        krb5_set_default_in_tkt_etypes krb5_set_default_tgs_enctypes
  62        krb5_set_default_tgs_ktypes krb5_principal2salt
  63        krb5_c_string_to_key krb5_get_pw_salt krb5_string_to_key_salt krb5_auth_con_setkey
  64        krb5_auth_con_setuseruserkey krb5_get_permitted_enctypes
  65        krb5_get_default_in_tkt_etypes krb5_free_data_contents
  66        krb5_principal_get_comp_string krb5_free_unparsed_name
  67        krb5_free_keytab_entry_contents krb5_kt_free_entry krb5_krbhst_init
  68        krb5_krbhst_get_addrinfo
  69        krb5_crypto_init krb5_crypto_destroy
  70        krb5_c_verify_checksum krb5_principal_compare_any_realm
  71        krb5_parse_name_norealm krb5_princ_size krb5_get_init_creds_opt_set_pac_request
  72        krb5_get_renewed_creds krb5_free_error_contents
  73        initialize_krb5_error_table krb5_get_init_creds_opt_alloc
  74        krb5_get_init_creds_opt_free krb5_get_init_creds_opt_get_error
  75        krb5_enctype_to_string krb5_fwd_tgt_creds krb5_auth_con_set_req_cksumtype
  76        krb5_get_creds_opt_alloc krb5_get_creds_opt_set_impersonate krb5_get_creds
  77        krb5_get_credentials_for_user krb5_get_host_realm krb5_free_host_realm
  78        krb5_get_init_creds_keyblock krb5_get_init_creds_keytab
  79        krb5_make_principal krb5_build_principal_alloc_va
  80        krb5_cc_get_lifetime krb5_cc_retrieve_cred
  81        krb5_free_checksum_contents krb5_c_make_checksum''',
  82      lib='krb5 k5crypto')
  83 conf.CHECK_DECLS('''krb5_get_credentials_for_user
  84                     krb5_auth_con_set_req_cksumtype''',
  85                     headers='krb5.h', always=True)
  86 conf.CHECK_VARIABLE('AP_OPTS_USE_SUBKEY', headers='krb5.h')
  87 conf.CHECK_VARIABLE('KV5M_KEYTAB', headers='krb5.h')
  88 conf.CHECK_VARIABLE('KRB5_KU_OTHER_CKSUM', headers='krb5.h')
  89 conf.CHECK_VARIABLE('KRB5_KEYUSAGE_APP_DATA_CKSUM', headers='krb5.h')
  90 conf.CHECK_VARIABLE('ENCTYPE_AES128_CTS_HMAC_SHA1_96', headers='krb5.h')
  91 conf.CHECK_VARIABLE('ENCTYPE_AES256_CTS_HMAC_SHA1_96', headers='krb5.h')
  92 conf.CHECK_DECLS('KRB5_PDU_NONE', reverse=True, headers='krb5.h')
  93 conf.CHECK_STRUCTURE_MEMBER('krb5_keytab_entry', 'key', headers='krb5.h',
  94                             define='HAVE_KRB5_KEYTAB_ENTRY_KEY')
  95 conf.CHECK_STRUCTURE_MEMBER('krb5_keytab_entry', 'keyblock', headers='krb5.h',
  96                             define='HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK')
  97 conf.CHECK_STRUCTURE_MEMBER('krb5_address', 'magic', headers='krb5.h',
  98                             define='HAVE_MAGIC_IN_KRB5_ADDRESS')
  99 conf.CHECK_STRUCTURE_MEMBER('krb5_address', 'addrtype', headers='krb5.h',
 100                             define='HAVE_ADDRTYPE_IN_KRB5_ADDRESS')
 101 conf.CHECK_STRUCTURE_MEMBER('krb5_ap_req', 'ticket', headers='krb5.h',
 102                             define='HAVE_TICKET_POINTER_IN_KRB5_AP_REQ')
 103
 104 conf.CHECK_TYPE('krb5_encrypt_block', headers='krb5.h')
 105
 106 conf.CHECK_CODE('''
 107        krb5_context ctx;
 108        krb5_get_init_creds_opt *opt = NULL;
 109        krb5_get_init_creds_opt_free(ctx, opt);
 110        ''',
 111     'KRB5_CREDS_OPT_FREE_REQUIRES_CONTEXT',
 112     headers='krb5.h', link=False,
 113     msg="Checking whether krb5_get_init_creds_opt_free takes a context argument")
 114 conf.CHECK_CODE('''
 115        const krb5_data *pkdata;
 116        krb5_context context;
 117        krb5_principal principal;
 118        pkdata = krb5_princ_component(context, principal, 0);
 119        ''',
 120     'HAVE_KRB5_PRINC_COMPONENT',
 121     headers='krb5.h', lib='krb5',
 122     msg="Checking whether krb5_princ_component is available")
 123
 124 conf.CHECK_CODE('''
 125        int main(void) {
 126        char buf[256];
 127        krb5_enctype_to_string(1, buf, 256);
 128        return 0;
 129        }''',
 130     'HAVE_KRB5_ENCTYPE_TO_STRING_WITH_SIZE_T_ARG',
 131     headers='krb5.h', lib='krb5 k5crypto',
 132     addmain=False, cflags='-Werror',
 133     msg="Checking whether krb5_enctype_to_string takes size_t argument")
 134
 135 conf.CHECK_CODE('''
 136        int main(void) {
 137        krb5_context context = NULL;
 138        char *str = NULL;
 139        krb5_enctype_to_string(context, 1, &str);
 140        if (str) free (str);
 141        return 0;
 142        }''',
 143     'HAVE_KRB5_ENCTYPE_TO_STRING_WITH_KRB5_CONTEXT_ARG',
 144     headers='krb5.h stdlib.h', lib='krb5',
 145     addmain=False, cflags='-Werror',
 146     msg="Checking whether krb5_enctype_to_string takes krb5_context argument")
 147 conf.CHECK_CODE('''
 148        int main(void) {
 149        krb5_context ctx = NULL;
 150        krb5_principal princ = NULL;
 151        const char *str = krb5_princ_realm(ctx, princ)->data;
 152        return 0;
 153        }''',
 154     'HAVE_KRB5_PRINC_REALM',
 155     headers='krb5.h', lib='krb5',
 156     addmain=False,
 157     msg="Checking whether the macro krb5_princ_realm is defined")
 158 conf.CHECK_CODE('''
 159        int main(void) {
 160            krb5_context context;
 161            krb5_principal principal;
 162            const char *realm; realm = krb5_principal_get_realm(context, principal);
 163            return 0;
 164        }''',
 165     'HAVE_KRB5_PRINCIPAL_GET_REALM',
 166     headers='krb5.h', lib='krb5',
 167     addmain=False,
 168     msg="Checking whether krb5_principal_get_realm is defined")
 169 conf.CHECK_CODE('''
 170        krb5_enctype enctype;
 171        enctype = ENCTYPE_ARCFOUR_HMAC_MD5;
 172        ''',
 173     '_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5',
 174     headers='krb5.h', lib='krb5',
 175     msg="Checking whether the ENCTYPE_ARCFOUR_HMAC_MD5 key type definition is available");
 176 conf.CHECK_CODE('''
 177        krb5_enctype enctype;
 178        enctype = ENCTYPE_ARCFOUR_HMAC_MD5_56;
 179        ''',
 180     '_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5_56',
 181     headers='krb5.h', lib='krb5',
 182     msg="Checking whether the ENCTYPE_ARCFOUR_HMAC_MD5_56 key type definition is available");
 183 conf.CHECK_CODE('''
 184        krb5_keytype keytype;
 185        keytype = KEYTYPE_ARCFOUR_56;
 186        ''',
 187     '_HAVE_KEYTYPE_ARCFOUR_56',
 188     headers='krb5.h', lib='krb5',
 189     msg="Checking whether the HAVE_KEYTYPE_ARCFOUR_56 key type definition is available");
 190 if conf.CONFIG_SET('_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5') and conf.CONFIG_SET('_HAVE_KEYTYPE_ARCFOUR_56'):
 191     conf.DEFINE('HAVE_ENCTYPE_ARCFOUR_HMAC_MD5', '1')
 192 if conf.CONFIG_SET('_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5_56') and conf.CONFIG_SET('_HAVE_KEYTYPE_ARCFOUR_56'):
 193     conf.DEFINE('HAVE_ENCTYPE_ARCFOUR_HMAC_MD5_56', '1')
 194
 195 conf.CHECK_CODE('''
 196        krb5_enctype enctype;
 197        enctype = ENCTYPE_ARCFOUR_HMAC;
 198        ''',
 199     'HAVE_ENCTYPE_ARCFOUR_HMAC',
 200     headers='krb5.h', lib='krb5',
 201     msg="Checking whether the ENCTYPE_ARCFOUR_HMAC key type definition is available");
 202 conf.CHECK_CODE('''
 203        krb5_enctype enctype;
 204        enctype = ENCTYPE_ARCFOUR_HMAC_EXP;
 205        ''',
 206     'HAVE_ENCTYPE_ARCFOUR_HMAC_EXP',
 207     headers='krb5.h', lib='krb5',
 208     msg="Checking whether the ENCTYPE_ARCFOUR_HMAC_EXP key type definition is available");
 209
 210 conf.CHECK_CODE('''
 211        krb5_context context;
 212        krb5_keytab keytab;
 213        krb5_init_context(&context);
 214        return krb5_kt_resolve(context, "WRFILE:api", &keytab);
 215        ''',
 216     'HAVE_WRFILE_KEYTAB',
 217     headers='krb5.h', lib='krb5', execute=True,
 218     msg="Checking whether the WRFILE:-keytab is supported");
 219 # Check for KRB5_DEPRECATED handling
 220 conf.CHECK_CODE('''#define KRB5_DEPRECATED 1
 221        #include <krb5.h>''',
 222    'HAVE_KRB5_DEPRECATED_WITH_IDENTIFIER', addmain=False,
 223     link=False,
 224     msg="Checking for KRB5_DEPRECATED define taking an identifier")