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samba-mirror/wscript_configure_system_mitkrb5
Matthieu Patou 540f3ad347 waf: add k5crypto to the list of system libraries if they are reported by the krb5config but not found as requied by the different tests
Otherwise on some systems we have error message like
"Implied dependency k5crypto in winbind_krb5_locator is of type EMPTY"
Even though krb5config indicated that this library is needed and the
library is present

Signed-off-by: Matthieu Patou <mat@matws.net>
Reviewed-by: Michael Adam <obnox@samba.org>
2014-10-03 11:01:42 +02:00

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import Logs, Options, sys
# Check for kerberos
have_gssapi=False
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.find_program('krb5-config', path_list=path_krb5_config, var='KRB5_CONFIG')
if conf.env.KRB5_CONFIG:
conf.check_cfg(path=conf.env.KRB5_CONFIG, args="--cflags --libs",
package="", uselib_store="KRB5")
krb5_define_syslib(conf, "krb5", conf.env['LIB_KRB5'])
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 'k5crypto' in conf.env['LIB_GSSAPI']:
krb5_define_syslib(conf, "k5crypto", conf.env['LIB_GSSAPI'])
if 'com_err' in conf.env['LIB_GSSAPI']:
krb5_define_syslib(conf, "com_err", conf.env['LIB_GSSAPI'])
if 'gssapi_krb5' in conf.env['LIB_GSSAPI']:
krb5_define_syslib(conf, "gssapi_krb5", conf.env['LIB_GSSAPI'])
vendor = conf.cmd_and_log("%(path)s --vendor" % dict(path=conf.env.KRB5_CONFIG), dict())
conf.env.KRB5_VENDOR = vendor.strip().lower()
if conf.env.KRB5_VENDOR != 'heimdal':
conf.define('USING_SYSTEM_KRB5', 1)
del conf.env.HEIMDAL_KRB5_CONFIG
kversion = conf.cmd_and_log("%(path)s --version" % dict(path=conf.env.KRB5_CONFIG), dict()).strip()
kversion_split = kversion.split(' ')[-1].split('.')
# drop '-prerelease' suffix
if kversion_split[-1].find('-') > 0:
last_digit = kversion_split[-1].split('-')[0]
kversion_split[-1] = last_digit
kversion_check = map(int, kversion_split)
if kversion_check < [1, 9]:
Logs.error('ERROR: MIT krb5 build requires at least 1.9.0. %s is found and cannot be used' % (kversion))
Logs.error('ERROR: You may try to build with embedded Heimdal Kerebros by not specifying --with-system-mitkrb5')
sys.exit(1)
else:
Logs.info('%s is detected, MIT krb5 build can proceed' % (kversion))
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.CHECK_HEADERS('krb5.h krb5/locate_plugin.h', lib='krb5')
conf.CHECK_HEADERS('gssapi.h gssapi/gssapi_generic.h gssapi/gssapi.h gssapi/gssapi_ext.h gssapi/gssapi_krb5.h', 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')
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
''', 'gssapi gssapi_krb5')
conf.CHECK_FUNCS_IN('krb5_mk_req_extended krb5_kt_compare', 'krb5')
conf.CHECK_FUNCS('''
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_free_checksum_contents krb5_c_make_checksum krb5_create_checksum
krb5_config_get_bool_default krb5_get_profile
krb5_data_copy
krb5_keyblock_init krb5_principal_set_realm krb5_principal_get_type
krb5_warnx
''',
lib='krb5 k5crypto')
conf.CHECK_DECLS('''krb5_get_credentials_for_user
krb5_auth_con_set_req_cksumtype''',
headers='krb5.h', always=True)
conf.CHECK_VARIABLE('AP_OPTS_USE_SUBKEY', headers='krb5.h')
conf.CHECK_VARIABLE('KV5M_KEYTAB', headers='krb5.h')
conf.CHECK_VARIABLE('KRB5_KU_OTHER_CKSUM', headers='krb5.h')
conf.CHECK_VARIABLE('KRB5_KEYUSAGE_APP_DATA_CKSUM', headers='krb5.h')
conf.CHECK_VARIABLE('ENCTYPE_AES128_CTS_HMAC_SHA1_96', headers='krb5.h')
conf.CHECK_VARIABLE('ENCTYPE_AES256_CTS_HMAC_SHA1_96', headers='krb5.h')
conf.CHECK_DECLS('KRB5_PDU_NONE', reverse=True, headers='krb5.h')
conf.CHECK_STRUCTURE_MEMBER('krb5_keytab_entry', 'key', headers='krb5.h',
define='HAVE_KRB5_KEYTAB_ENTRY_KEY')
conf.CHECK_STRUCTURE_MEMBER('krb5_keytab_entry', 'keyblock', headers='krb5.h',
define='HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK')
conf.CHECK_STRUCTURE_MEMBER('krb5_address', 'magic', headers='krb5.h',
define='HAVE_MAGIC_IN_KRB5_ADDRESS')
conf.CHECK_STRUCTURE_MEMBER('krb5_address', 'addrtype', headers='krb5.h',
define='HAVE_ADDRTYPE_IN_KRB5_ADDRESS')
conf.CHECK_STRUCTURE_MEMBER('krb5_ap_req', 'ticket', headers='krb5.h',
define='HAVE_TICKET_POINTER_IN_KRB5_AP_REQ')
conf.CHECK_TYPE('krb5_encrypt_block', headers='krb5.h')
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,
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,
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")