wscript_configure_krb5

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