wscript_configure_krb5

   1 import Logs, Options
   2
   3 # Check for kerberos
   4 have_gssapi=False
   5
   6 Logs.info("Looking for kerberos features")
   7 conf.find_program('krb5-config.heimdal', var='HEIMDAL_KRB5_CONFIG')
   8 conf.find_program('krb5-config', var='KRB5_CONFIG')
   9 if conf.env.KRB5_CONFIG:
  10     conf.check_cfg(path="krb5-config", args="--cflags --libs",
  11                package="gssapi", uselib_store="KRB5")
  12     vendor = conf.cmd_and_log("%(path)s --vendor" % dict(path=conf.env.KRB5_CONFIG), dict())
  13     conf.env.KRB5_VENDOR = vendor.strip().lower()
  14     if conf.env.KRB5_VENDOR != 'heimdal':
  15         conf.define('USING_SYSTEM_KRB5', 1)
  16         del conf.env.HEIMDAL_KRB5_CONFIG
  17
  18 conf.CHECK_HEADERS('krb5.h krb5/locate_plugin.h', lib='krb5')
  19 conf.CHECK_HEADERS('gssapi.h gssapi/gssapi_generic.h gssapi/gssapi.h gssapi/gssapi_ext.h gssapi/gssapi_krb5.h com_err.h', lib='krb5')
  20
  21 if conf.CONFIG_SET('HAVE_KRB5_LOCATE_PLUGIN_H'):
  22     conf.env['WINBIND_KRB5_LOCATOR'] = 'bin/winbind_krb5_locator.so'
  23
  24 conf.CHECK_FUNCS_IN('_et_list', 'com_err')
  25 conf.CHECK_FUNCS_IN('krb5_encrypt_data', 'k5crypto')
  26 conf.CHECK_FUNCS_IN('des_set_key','crypto')
  27 conf.CHECK_FUNCS_IN('copy_Authenticator', 'asn1')
  28 conf.CHECK_FUNCS_IN('roken_getaddrinfo_hostspec', 'roken')
  29 if conf.CHECK_FUNCS_IN('gss_display_status', 'gssapi') or \
  30    conf.CHECK_FUNCS_IN('gss_display_status', 'gssapi_krb5'):
  31     have_gssapi=True
  32 conf.CHECK_FUNCS_IN('''
  33        gss_wrap_iov
  34        gss_krb5_import_cred
  35        gss_get_name_attribute
  36        gss_mech_krb5
  37        gss_oid_equal
  38        gss_inquire_sec_context_by_oid
  39        gsskrb5_extract_authz_data_from_sec_context
  40        gss_krb5_export_lucid_sec_context
  41        ''', 'gssapi gssapi_krb5 krb5')
  42 conf.CHECK_FUNCS_IN('krb5_mk_req_extended krb5_kt_compare', 'krb5')
  43 conf.CHECK_FUNCS('''
  44        krb5_set_default_in_tkt_etypes krb5_set_default_tgs_enctypes
  45        krb5_set_default_tgs_ktypes krb5_principal2salt
  46        krb5_c_string_to_key krb5_get_pw_salt krb5_string_to_key_salt krb5_auth_con_setkey
  47        krb5_auth_con_setuseruserkey krb5_get_permitted_enctypes
  48        krb5_get_default_in_tkt_etypes krb5_free_data_contents
  49        krb5_principal_get_comp_string krb5_free_unparsed_name
  50        krb5_free_keytab_entry_contents krb5_kt_free_entry krb5_krbhst_init
  51        krb5_krbhst_get_addrinfo
  52        krb5_crypto_init krb5_crypto_destroy
  53        krb5_c_verify_checksum krb5_principal_compare_any_realm
  54        krb5_parse_name_norealm krb5_princ_size krb5_get_init_creds_opt_set_pac_request
  55        krb5_get_renewed_creds krb5_free_error_contents
  56        initialize_krb5_error_table krb5_get_init_creds_opt_alloc
  57        krb5_get_init_creds_opt_free krb5_get_init_creds_opt_get_error
  58        krb5_enctype_to_string krb5_fwd_tgt_creds krb5_auth_con_set_req_cksumtype
  59        krb5_get_creds_opt_alloc krb5_get_creds_opt_set_impersonate krb5_get_creds
  60        krb5_get_credentials_for_user krb5_get_host_realm krb5_free_host_realm''',
  61      lib='krb5 k5crypto')
  62 conf.CHECK_DECLS('''krb5_get_credentials_for_user
  63                     krb5_auth_con_set_req_cksumtype''',
  64                     headers='krb5.h', always=True)
  65 conf.CHECK_VARIABLE('AP_OPTS_USE_SUBKEY', headers='krb5.h')
  66 conf.CHECK_VARIABLE('KV5M_KEYTAB', headers='krb5.h')
  67 conf.CHECK_VARIABLE('KRB5_KU_OTHER_CKSUM', headers='krb5.h')
  68 conf.CHECK_VARIABLE('KRB5_KEYUSAGE_APP_DATA_CKSUM', headers='krb5.h')
  69 conf.CHECK_VARIABLE('ENCTYPE_AES128_CTS_HMAC_SHA1_96', headers='krb5.h')
  70 conf.CHECK_VARIABLE('ENCTYPE_AES256_CTS_HMAC_SHA1_96', headers='krb5.h')
  71 conf.CHECK_DECLS('KRB5_PDU_NONE', reverse=True, headers='krb5.h')
  72 conf.CHECK_STRUCTURE_MEMBER('krb5_keytab_entry', 'key', headers='krb5.h',
  73                             define='HAVE_KRB5_KEYTAB_ENTRY_KEY')
  74 conf.CHECK_STRUCTURE_MEMBER('krb5_keytab_entry', 'keyblock', headers='krb5.h',
  75                             define='HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK')
  76 conf.CHECK_STRUCTURE_MEMBER('krb5_address', 'magic', headers='krb5.h',
  77                             define='HAVE_MAGIC_IN_KRB5_ADDRESS')
  78 conf.CHECK_STRUCTURE_MEMBER('krb5_address', 'addrtype', headers='krb5.h',
  79                             define='HAVE_ADDRTYPE_IN_KRB5_ADDRESS')
  80 conf.CHECK_STRUCTURE_MEMBER('krb5_ap_req', 'ticket', headers='krb5.h',
  81                             define='HAVE_TICKET_POINTER_IN_KRB5_AP_REQ')
  82
  83 conf.CHECK_TYPE('krb5_encrypt_block', headers='krb5.h')
  84
  85 conf.CHECK_CODE('''
  86        krb5_context ctx;
  87        krb5_get_init_creds_opt *opt = NULL;
  88        krb5_get_init_creds_opt_free(ctx, opt);
  89        ''',
  90     'KRB5_CREDS_OPT_FREE_REQUIRES_CONTEXT',
  91     headers='krb5.h', link=False,
  92     msg="Checking whether krb5_get_init_creds_opt_free takes a context argument")
  93 conf.CHECK_CODE('''
  94        const krb5_data *pkdata;
  95        krb5_context context;
  96        krb5_principal principal;
  97        pkdata = krb5_princ_component(context, principal, 0);
  98        ''',
  99     'HAVE_KRB5_PRINC_COMPONENT',
 100     headers='krb5.h', lib='krb5',
 101     msg="Checking whether krb5_princ_component is available")
 102
 103 conf.CHECK_CODE('''
 104        int main(void) {
 105        char buf[256];
 106        krb5_enctype_to_string(1, buf, 256);
 107        return 0;
 108        }''',
 109     'HAVE_KRB5_ENCTYPE_TO_STRING_WITH_SIZE_T_ARG',
 110     headers='krb5.h', lib='krb5 k5crypto',
 111     addmain=False, cflags='-Werror',
 112     msg="Checking whether krb5_enctype_to_string takes size_t argument")
 113
 114 conf.CHECK_CODE('''
 115        int main(void) {
 116        krb5_context context = NULL;
 117        char *str = NULL;
 118        krb5_enctype_to_string(context, 1, &str);
 119        if (str) free (str);
 120        return 0;
 121        }''',
 122     'HAVE_KRB5_ENCTYPE_TO_STRING_WITH_KRB5_CONTEXT_ARG',
 123     headers='krb5.h stdlib.h', lib='krb5',
 124     addmain=False, cflags='-Werror',
 125     msg="Checking whether krb5_enctype_to_string takes krb5_context argument")
 126 conf.CHECK_CODE('''
 127        int main(void) {
 128        krb5_context ctx = NULL;
 129        krb5_principal princ = NULL;
 130        const char *str = krb5_princ_realm(ctx, princ)->data;
 131        return 0;
 132        }''',
 133     'HAVE_KRB5_PRINC_REALM',
 134     headers='krb5.h', lib='krb5',
 135     addmain=False,
 136     msg="Checking whether the macro krb5_princ_realm is defined")
 137 conf.CHECK_CODE('''
 138        int main(void) {
 139            krb5_context context;
 140            krb5_principal principal;
 141            const char *realm; realm = krb5_principal_get_realm(context, principal);
 142            return 0;
 143        }''',
 144     'HAVE_KRB5_PRINCIPAL_GET_REALM',
 145     headers='krb5.h', lib='krb5',
 146     addmain=False,
 147     msg="Checking whether krb5_principal_get_realm is defined")
 148 conf.CHECK_CODE('''
 149        krb5_enctype enctype;
 150        enctype = ENCTYPE_ARCFOUR_HMAC_MD5;
 151        ''',
 152     '_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5',
 153     headers='krb5.h', lib='krb5',
 154     msg="Checking whether the ENCTYPE_ARCFOUR_HMAC_MD5 key type definition is available");
 155 conf.CHECK_CODE('''
 156        krb5_keytype keytype;
 157        keytype = KEYTYPE_ARCFOUR_56;
 158        ''',
 159     '_HAVE_KEYTYPE_ARCFOUR_56',
 160     headers='krb5.h', lib='krb5',
 161     msg="Checking whether the HAVE_KEYTYPE_ARCFOUR_56 key type definition is available");
 162 if conf.CONFIG_SET('_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5') and conf.CONFIG_SET('_HAVE_KEYTYPE_ARCFOUR_56'):
 163     conf.DEFINE('HAVE_ENCTYPE_ARCFOUR_HMAC_MD5', '1')
 164
 165 conf.CHECK_CODE('''
 166        krb5_enctype enctype;
 167        enctype = ENCTYPE_ARCFOUR_HMAC;
 168        ''',
 169     'HAVE_ENCTYPE_ARCFOUR_HMAC',
 170     headers='krb5.h', lib='krb5',
 171     msg="Checking whether the ENCTYPE_ARCFOUR_HMAC key type definition is available");
 172
 173 conf.CHECK_CODE('''
 174        krb5_context context;
 175        krb5_keytab keytab;
 176        krb5_init_context(&context);
 177        return krb5_kt_resolve(context, "WRFILE:api", &keytab);
 178        ''',
 179     'HAVE_WRFILE_KEYTAB',
 180     headers='krb5.h', lib='krb5', execute=True,
 181     msg="Checking whether the WRFILE:-keytab is supported");
 182 # Check for KRB5_DEPRECATED handling
 183 conf.CHECK_CODE('''#define KRB5_DEPRECATED 1
 184        #include <krb5.h>''',
 185    'HAVE_KRB5_DEPRECATED_WITH_IDENTIFIER', addmain=False,
 186     link=False,
 187     msg="Checking for KRB5_DEPRECATED define taking an identifier")