diff options
Diffstat (limited to 'wscript_configure_system_mitkrb5')
| -rw-r--r-- | wscript_configure_system_mitkrb5 | 357 |
1 files changed, 357 insertions, 0 deletions
diff --git a/wscript_configure_system_mitkrb5 b/wscript_configure_system_mitkrb5 new file mode 100644 index 0000000..d40bb36 --- /dev/null +++ b/wscript_configure_system_mitkrb5 @@ -0,0 +1,357 @@ +import sys +from waflib import Logs, Options, Errors + +# Check for kerberos +have_gssapi=False + +krb5_min_required_version = "1.9" + +# Required versions +krb5_required_version = krb5_min_required_version +if conf.CONFIG_SET('AD_DC_BUILD_IS_ENABLED'): + krb5_required_version = "1.21" + +def parse_version(v): + return tuple(map(int, (v.split(".")))) + +def krb5_define_syslib(conf, lib, deps): + found = 'FOUND_SYSTEMLIB_' + lib + if found in conf.env: + return + conf.SET_TARGET_TYPE(lib, 'SYSLIB') + conf.SET_SYSLIB_DEPS(lib, deps) + conf.env[found] = True + +Logs.info("Looking for kerberos features") +conf.find_program('krb5-config.heimdal', var='HEIMDAL_KRB5_CONFIG') + +if isinstance(Options.options.with_system_mitkrb5, list): + path_krb5_config = [x+'/bin' for x in Options.options.with_system_mitkrb5] +else: + path_krb5_config = None + +conf.CHECK_CFG(args="--cflags --libs", package="com_err", uselib_store="com_err") +conf.CHECK_FUNCS_IN('_et_list', 'com_err') +conf.CHECK_HEADERS('com_err.h', lib='com_err') + +conf.find_program('krb5-config', path_list=path_krb5_config, var='KRB5_CONFIG') +if conf.env.KRB5_CONFIG: + vendor = conf.cmd_and_log(conf.env.KRB5_CONFIG+['--vendor']) + conf.env.KRB5_VENDOR = vendor.strip().lower() + if conf.env.KRB5_VENDOR == 'heimdal': + raise Errors.WafError('--with-system-mitkrb5 cannot be used with system heimdal') + + if conf.CHECK_CFG(path=conf.env.KRB5_CONFIG, args="--cflags --libs", + package="", uselib_store="KRB5"): + if 'krb5' in conf.env['LIB_KRB5']: + krb5_define_syslib(conf, "krb5", conf.env['LIB_KRB5']) + if 'k5crypto' in conf.env['LIB_KRB5']: + krb5_define_syslib(conf, "k5crypto", conf.env['LIB_KRB5']) + else: + raise Errors.WafError('Unable to find required krb5 library!') + + if conf.CHECK_CFG(path=conf.env.KRB5_CONFIG, args="--cflags --libs", + package="gssapi", uselib_store="GSSAPI"): + krb5_define_syslib(conf, "gssapi", conf.env['LIB_GSSAPI']) + if 'gssapi_krb5' in conf.env['LIB_GSSAPI']: + krb5_define_syslib(conf, "gssapi_krb5", conf.env['LIB_GSSAPI']) + else: + raise Errors.WafError('Unable to find required gssapi library!') + + if conf.CONFIG_SET('AD_DC_BUILD_IS_ENABLED'): + if conf.CHECK_CFG(path=conf.env.KRB5_CONFIG, args="--cflags --libs", + package="gssrpc", uselib_store="GSSRPC"): + krb5_define_syslib(conf, "gssrpc", conf.env['LIB_GSSRPC']) + + if conf.CHECK_CFG(path=conf.env.KRB5_CONFIG, args="--cflags --libs", + package="kdb", uselib_store="KDB5"): + krb5_define_syslib(conf, "kdb5", conf.env['LIB_KDB5']) + conf.CHECK_HEADERS('kdb.h', lib='kdb5') + else: + raise Errors.WafError('Unable to find required kdb5 library!') + + if conf.CHECK_CFG(path=conf.env.KRB5_CONFIG, args="--cflags --libs", + package="kadm-server", uselib_store="KADM5SRV_MIT"): + krb5_define_syslib(conf, + "kadm5srv_mit", + conf.env['LIB_KADM5SRV_MIT']) + conf.CHECK_FUNCS_IN('kadm5_init', 'kadm5srv_mit') + else: + raise Errors.WafError('Unable to find required kadm5srv_mit ' + 'library!') + + conf.define('USING_SYSTEM_KRB5', 1) + del conf.env.HEIMDAL_KRB5_CONFIG + krb5_conf_version = conf.cmd_and_log(conf.env.KRB5_CONFIG+['--version']).strip() + + krb5_version = krb5_conf_version.split()[-1] + + # drop '-prerelease' suffix + if krb5_version.find('-') > 0: + krb5_version = krb5_version.split("-")[0] + + if parse_version(krb5_version) < parse_version(krb5_required_version): + Logs.error('ERROR: The MIT KRB5 build with Samba AD requires at least %s. %s has been found and cannot be used' % (krb5_required_version, krb5_version)) + Logs.error('ERROR: If you want to just build Samba FS (File Server) use the option --without-ad-dc which requires version %s' % (krb5_min_required_version)) + Logs.error('ERROR: You may try to build with embedded Heimdal Kerberos by not specifying --with-system-mitkrb5') + sys.exit(1) + else: + Logs.info('MIT Kerberos %s detected, MIT krb5 build can proceed' % (krb5_version)) + + conf.define('USING_SYSTEM_MITKRB5', '"%s"' % krb5_version) + +conf.CHECK_HEADERS('krb5.h krb5/locate_plugin.h', lib='krb5') +conf.CHECK_HEADERS('krb5.h krb5/localauth_plugin.h', lib='krb5') +possible_gssapi_headers="gssapi.h gssapi/gssapi_generic.h gssapi/gssapi.h gssapi/gssapi_ext.h gssapi/gssapi_krb5.h gssapi/gssapi_oid.h" +conf.CHECK_HEADERS(possible_gssapi_headers, lib='gssapi') + +conf.CHECK_FUNCS_IN('krb5_encrypt_data', 'k5crypto') +conf.CHECK_FUNCS_IN('des_set_key','crypto') +conf.CHECK_FUNCS_IN('copy_Authenticator', 'asn1') +conf.CHECK_FUNCS_IN('roken_getaddrinfo_hostspec', 'roken') + +conf.CHECK_HEADERS('profile.h', lib='krb5') + +if conf.CHECK_FUNCS_IN('gss_display_status', 'gssapi gssapi_krb5'): + have_gssapi=True + +if not have_gssapi: + if conf.env.KRB5_CONFIG and conf.env.KRB5_CONFIG != 'heimdal': + Logs.error("ERROR: WAF build with MIT Krb5 requires working GSSAPI implementation") + sys.exit(1) + +conf.CHECK_FUNCS_IN(''' + gss_wrap_iov + gss_krb5_import_cred + gss_get_name_attribute + gss_mech_krb5 + gss_oid_equal + gss_inquire_sec_context_by_oid + gsskrb5_extract_authz_data_from_sec_context + gss_krb5_export_lucid_sec_context + gss_import_cred gss_export_cred + gss_acquire_cred_from + ''', 'gssapi gssapi_krb5') +conf.CHECK_VARIABLE('GSS_KRB5_CRED_NO_CI_FLAGS_X', + headers=possible_gssapi_headers, lib='gssapi gssapi_krb5') +conf.CHECK_FUNCS(''' + krb5_auth_con_getrecvsubkey + krb5_auth_con_getsendsubkey + krb5_set_default_in_tkt_etypes krb5_set_default_tgs_enctypes + krb5_set_default_tgs_ktypes krb5_principal2salt + krb5_c_string_to_key krb5_get_pw_salt krb5_string_to_key_salt krb5_auth_con_setkey + krb5_auth_con_setuseruserkey krb5_get_permitted_enctypes + krb5_get_default_in_tkt_etypes krb5_free_data_contents + krb5_principal_get_comp_string krb5_free_unparsed_name + krb5_free_keytab_entry_contents krb5_kt_free_entry krb5_krbhst_init + krb5_krbhst_get_addrinfo + krb5_crypto_init krb5_crypto_destroy + krb5_c_verify_checksum krb5_principal_compare_any_realm + krb5_parse_name_norealm krb5_princ_size krb5_get_init_creds_opt_set_pac_request + krb5_get_renewed_creds krb5_free_error_contents + initialize_krb5_error_table krb5_get_init_creds_opt_alloc + krb5_get_init_creds_opt_free krb5_get_init_creds_opt_get_error + krb5_enctype_to_string krb5_fwd_tgt_creds krb5_auth_con_set_req_cksumtype + krb5_get_creds_opt_alloc krb5_get_creds_opt_set_impersonate krb5_get_creds + krb5_get_credentials_for_user krb5_get_host_realm krb5_free_host_realm + krb5_get_init_creds_keyblock krb5_get_init_creds_keytab + krb5_make_principal krb5_build_principal_alloc_va + krb5_cc_get_lifetime krb5_cc_retrieve_cred + krb5_cc_copy_creds + krb5_free_checksum_contents krb5_c_make_checksum krb5_create_checksum + krb5_config_get_bool_default krb5_get_profile + krb5_data_copy + krb5_init_keyblock krb5_principal_set_realm krb5_principal_get_type + krb5_principal_set_type + krb5_warnx + krb5_get_prompt_types + krb5_mk_req_extended krb5_kt_compare + krb5_free_enctypes + krb5_free_string + krb5_get_init_creds_opt_set_fast_ccache + krb5_get_init_creds_opt_set_fast_flags + ''', + lib='krb5 k5crypto', + headers='krb5.h') +conf.CHECK_DECLS('''krb5_get_credentials_for_user + krb5_auth_con_set_req_cksumtype''', + headers='krb5.h', lib='krb5', always=True) +conf.CHECK_VARIABLE('AP_OPTS_USE_SUBKEY', headers='krb5.h', lib='krb5') +conf.CHECK_VARIABLE('KV5M_KEYTAB', headers='krb5.h', lib='krb5') +conf.CHECK_VARIABLE('KRB5_KU_OTHER_CKSUM', headers='krb5.h', lib='krb5') +conf.CHECK_VARIABLE('KRB5_KEYUSAGE_APP_DATA_CKSUM', headers='krb5.h', lib='krb5') +conf.CHECK_VARIABLE('ENCTYPE_AES128_CTS_HMAC_SHA1_96', headers='krb5.h', lib='krb5', mandatory=True) +conf.CHECK_VARIABLE('ENCTYPE_AES256_CTS_HMAC_SHA1_96', headers='krb5.h', lib='krb5', mandatory=True) +conf.CHECK_DECLS('KRB5_PDU_NONE', reverse=True, headers='krb5.h', lib='krb5') +conf.CHECK_STRUCTURE_MEMBER('krb5_keytab_entry', 'key', + headers='krb5.h', + lib='krb5', + define='HAVE_KRB5_KEYTAB_ENTRY_KEY') +conf.CHECK_STRUCTURE_MEMBER('krb5_keytab_entry', 'keyblock', + headers='krb5.h', + lib='krb5', + define='HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK') +conf.CHECK_STRUCTURE_MEMBER('krb5_address', 'magic', + headers='krb5.h', + lib='krb5', + define='HAVE_MAGIC_IN_KRB5_ADDRESS') +conf.CHECK_STRUCTURE_MEMBER('krb5_address', 'addrtype', + headers='krb5.h', + lib='krb5', + define='HAVE_ADDRTYPE_IN_KRB5_ADDRESS') +conf.CHECK_STRUCTURE_MEMBER('krb5_ap_req', 'ticket', + headers='krb5.h', + lib='krb5', + define='HAVE_TICKET_POINTER_IN_KRB5_AP_REQ') +conf.CHECK_STRUCTURE_MEMBER('krb5_prompt', 'type', + headers='krb5.h', + lib='krb5', + define='HAVE_KRB5_PROMPT_TYPE') +conf.CHECK_CODE('krb5_trace_info', 'HAVE_KRB5_TRACE_INFO', + headers='krb5.h', lib='krb5') +conf.CHECK_CODE('struct krb5_trace_info', 'HAVE_KRB5_TRACE_INFO_STRUCT', + headers='krb5.h', lib='krb5') +conf.CHECK_TYPE('krb5_encrypt_block', headers='krb5.h', lib='krb5') + +conf.CHECK_CODE(''' + krb5_context ctx; + krb5_get_init_creds_opt *opt = NULL; + krb5_get_init_creds_opt_free(ctx, opt); + ''', + 'KRB5_CREDS_OPT_FREE_REQUIRES_CONTEXT', + headers='krb5.h', link=False, + lib='krb5', + msg="Checking whether krb5_get_init_creds_opt_free takes a context argument") +conf.CHECK_CODE(''' + const krb5_data *pkdata; + krb5_context context; + krb5_principal principal; + pkdata = krb5_princ_component(context, principal, 0); + ''', + 'HAVE_KRB5_PRINC_COMPONENT', + headers='krb5.h', lib='krb5', + msg="Checking whether krb5_princ_component is available") + +conf.CHECK_CODE(''' + int main(void) { + char buf[256]; + krb5_enctype_to_string(1, buf, 256); + return 0; + }''', + 'HAVE_KRB5_ENCTYPE_TO_STRING_WITH_SIZE_T_ARG', + headers='krb5.h', lib='krb5 k5crypto', + addmain=False, cflags=conf.env['WERROR_CFLAGS'], + msg="Checking whether krb5_enctype_to_string takes size_t argument") + +conf.CHECK_CODE(''' + int main(void) { + krb5_context context = NULL; + char *str = NULL; + krb5_enctype_to_string(context, 1, &str); + if (str) free (str); + return 0; + }''', + 'HAVE_KRB5_ENCTYPE_TO_STRING_WITH_KRB5_CONTEXT_ARG', + headers='krb5.h stdlib.h', lib='krb5', + addmain=False, cflags=conf.env['WERROR_CFLAGS'], + msg="Checking whether krb5_enctype_to_string takes krb5_context argument") +conf.CHECK_CODE(''' + int main(void) { + krb5_context ctx = NULL; + krb5_principal princ = NULL; + const char *str = krb5_princ_realm(ctx, princ)->data; + return 0; + }''', + 'HAVE_KRB5_PRINC_REALM', + headers='krb5.h', lib='krb5', + addmain=False, + msg="Checking whether the macro krb5_princ_realm is defined") +conf.CHECK_CODE(''' + int main(void) { + krb5_context context; + krb5_principal principal; + const char *realm; realm = krb5_principal_get_realm(context, principal); + return 0; + }''', + 'HAVE_KRB5_PRINCIPAL_GET_REALM', + headers='krb5.h', lib='krb5', + addmain=False, + msg="Checking whether krb5_principal_get_realm is defined") +conf.CHECK_CODE(''' + krb5_enctype enctype; + enctype = ENCTYPE_ARCFOUR_HMAC_MD5; + ''', + '_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5', + headers='krb5.h', lib='krb5', + msg="Checking whether the ENCTYPE_ARCFOUR_HMAC_MD5 key type definition is available") +conf.CHECK_CODE(''' + krb5_enctype enctype; + enctype = ENCTYPE_ARCFOUR_HMAC_MD5_56; + ''', + '_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5_56', + headers='krb5.h', lib='krb5', + msg="Checking whether the ENCTYPE_ARCFOUR_HMAC_MD5_56 key type definition is available") +conf.CHECK_CODE(''' + krb5_keytype keytype; + keytype = KEYTYPE_ARCFOUR_56; + ''', + '_HAVE_KEYTYPE_ARCFOUR_56', + headers='krb5.h', lib='krb5', + msg="Checking whether the HAVE_KEYTYPE_ARCFOUR_56 key type definition is available") +if conf.CONFIG_SET('_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5') and conf.CONFIG_SET('_HAVE_KEYTYPE_ARCFOUR_56'): + conf.DEFINE('HAVE_ENCTYPE_ARCFOUR_HMAC_MD5', '1') +if conf.CONFIG_SET('_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5_56') and conf.CONFIG_SET('_HAVE_KEYTYPE_ARCFOUR_56'): + conf.DEFINE('HAVE_ENCTYPE_ARCFOUR_HMAC_MD5_56', '1') + +conf.CHECK_CODE(''' + krb5_enctype enctype; + enctype = ENCTYPE_ARCFOUR_HMAC; + ''', + 'HAVE_ENCTYPE_ARCFOUR_HMAC', + headers='krb5.h', lib='krb5', + msg="Checking whether the ENCTYPE_ARCFOUR_HMAC key type definition is available") +conf.CHECK_CODE(''' + krb5_enctype enctype; + enctype = ENCTYPE_ARCFOUR_HMAC_EXP; + ''', + 'HAVE_ENCTYPE_ARCFOUR_HMAC_EXP', + headers='krb5.h', lib='krb5', + msg="Checking whether the ENCTYPE_ARCFOUR_HMAC_EXP key type definition is available") + +conf.CHECK_CODE(''' + krb5_context context; + krb5_keytab keytab; + krb5_init_context(&context); + return krb5_kt_resolve(context, "WRFILE:api", &keytab); + ''', + 'HAVE_WRFILE_KEYTAB', + headers='krb5.h', lib='krb5', execute=True, + msg="Checking whether the WRFILE -keytab is supported") +# Check for KRB5_DEPRECATED handling +conf.CHECK_CODE('''#define KRB5_DEPRECATED 1 + #include <krb5.h>''', + 'HAVE_KRB5_DEPRECATED_WITH_IDENTIFIER', addmain=False, + link=False, + lib='krb5', + msg="Checking for KRB5_DEPRECATED define taking an identifier") + +conf.CHECK_CODE(''' + krb5_creds creds; + creds.flags.b.initial = 0; + ''', + 'HAVE_FLAGS_IN_KRB5_CREDS', + headers='krb5.h', lib='krb5', execute=False, + msg="Checking whether krb5_creds have flags property") + +# Check for MIT KDC +if conf.CONFIG_SET('AD_DC_BUILD_IS_ENABLED'): + Logs.info("Looking for MIT KDC") + conf.DEFINE('SAMBA_USES_MITKDC', 1) + + kdc_path_list = [ '/usr/sbin', '/usr/lib/mit/sbin'] + + if getattr(Options.options, 'with_system_mitkdc', None): + conf.DEFINE('MIT_KDC_PATH', '"' + Options.options.with_system_mitkdc + '"') + else: + conf.find_program('krb5kdc', path_list=kdc_path_list, var='MIT_KDC_BINARY', mandatory=True) + conf.DEFINE('MIT_KDC_PATH', '"' + " ".join(conf.env.MIT_KDC_BINARY) + '"') |