waf: Require MIT Kerberos 1.15.1 for Samba AD
[garming/samba-autobuild/.git] / wscript_configure_system_mitkrb5
1 import Logs, Options, sys
2
3 # Check for kerberos
4 have_gssapi=False
5
6 krb5_min_required_version = "1.9"
7
8 # Requried versions
9 krb5_required_version = krb5_min_required_version
10 if conf.CONFIG_SET('AD_DC_BUILD_IS_ENABLED'):
11     krb5_required_version = "1.15.1"
12
13 def parse_version(v):
14     return tuple(map(int, (v.split("."))))
15
16 def krb5_define_syslib(conf, lib, deps):
17     found = 'FOUND_SYSTEMLIB_' + lib
18     if found in conf.env:
19         return
20     conf.SET_TARGET_TYPE(lib, 'SYSLIB')
21     conf.SET_SYSLIB_DEPS(lib, deps)
22     conf.env[found] = True
23
24 Logs.info("Looking for kerberos features")
25 conf.find_program('krb5-config.heimdal', var='HEIMDAL_KRB5_CONFIG')
26
27 if isinstance(Options.options.with_system_mitkrb5, list):
28     path_krb5_config = [x+'/bin' for x in Options.options.with_system_mitkrb5]
29 else:
30     path_krb5_config = None
31
32 conf.find_program('krb5-config', path_list=path_krb5_config, var='KRB5_CONFIG')
33 if conf.env.KRB5_CONFIG:
34     conf.CHECK_CFG(path=conf.env.KRB5_CONFIG, args="--cflags --libs",
35                package="", uselib_store="KRB5")
36     krb5_define_syslib(conf, "krb5", conf.env['LIB_KRB5'])
37
38     conf.CHECK_CFG(path=conf.env.KRB5_CONFIG, args="--cflags --libs",
39                    package="kdb", uselib_store="KDB5")
40     krb5_define_syslib(conf, "kdb5", conf.env['LIB_KDB5'])
41
42     conf.CHECK_CFG(path=conf.env.KRB5_CONFIG, args="--cflags --libs",
43                package="gssapi", uselib_store="GSSAPI")
44     krb5_define_syslib(conf, "gssapi", conf.env['LIB_GSSAPI'])
45     if 'k5crypto' in conf.env['LIB_GSSAPI']:
46         krb5_define_syslib(conf, "k5crypto", conf.env['LIB_GSSAPI'])
47     if 'com_err' in conf.env['LIB_GSSAPI']:
48         krb5_define_syslib(conf, "com_err", conf.env['LIB_GSSAPI'])
49     if 'gssapi_krb5' in conf.env['LIB_GSSAPI']:
50         krb5_define_syslib(conf, "gssapi_krb5", conf.env['LIB_GSSAPI'])
51
52     vendor = conf.cmd_and_log("%(path)s --vendor" % dict(path=conf.env.KRB5_CONFIG), dict())
53     conf.env.KRB5_VENDOR = vendor.strip().lower()
54     if conf.env.KRB5_VENDOR != 'heimdal':
55         conf.define('USING_SYSTEM_KRB5', 1)
56         del conf.env.HEIMDAL_KRB5_CONFIG
57         krb5_conf_version = conf.cmd_and_log("%(path)s --version" % dict(path=conf.env.KRB5_CONFIG), dict()).strip()
58
59         krb5_version = krb5_conf_version.split()[-1]
60
61         # drop '-prerelease' suffix
62         if krb5_version.find('-') > 0:
63             krb5_version = krb5_version.split("-")[0]
64
65         if parse_version(krb5_version) < parse_version(krb5_required_version):
66             Logs.error('ERROR: MIT KRB5 build with Samba AD requires at least %s. %s has been found and cannot be used' % (krb5_required_version, krb5_version))
67             Logs.error('ERROR: If you want to just build Samba FS use the option --without-ad-dc which requires version %s' % (krb5_min_required_version))
68             Logs.error('ERROR: You may try to build with embedded Heimdal Kerebros by not specifying --with-system-mitkrb5')
69             sys.exit(1)
70         else:
71             Logs.info('MIT Kerberos %s detected, MIT krb5 build can proceed' % (krb5_version))
72
73 conf.CHECK_CFG(args="--cflags --libs", package="com_err", uselib_store="com_err")
74 conf.CHECK_FUNCS_IN('_et_list', 'com_err')
75 conf.CHECK_HEADERS('com_err.h', lib='com_err')
76 conf.CHECK_HEADERS('kdb.h', lib='kdb5')
77
78 conf.CHECK_HEADERS('krb5.h krb5/locate_plugin.h', lib='krb5')
79 possible_gssapi_headers="gssapi.h gssapi/gssapi_generic.h gssapi/gssapi.h gssapi/gssapi_ext.h gssapi/gssapi_krb5.h gssapi/gssapi_oid.h"
80 conf.CHECK_HEADERS(possible_gssapi_headers, lib='gssapi')
81
82 conf.CHECK_FUNCS_IN('krb5_encrypt_data', 'k5crypto')
83 conf.CHECK_FUNCS_IN('des_set_key','crypto')
84 conf.CHECK_FUNCS_IN('copy_Authenticator', 'asn1')
85 conf.CHECK_FUNCS_IN('roken_getaddrinfo_hostspec', 'roken')
86
87 conf.CHECK_HEADERS('profile.h')
88
89 if conf.CHECK_FUNCS_IN('gss_display_status', 'gssapi gssapi_krb5'):
90     have_gssapi=True
91
92 if not have_gssapi:
93     if conf.env.KRB5_CONFIG and conf.env.KRB5_CONFIG != 'heimdal':
94         Logs.error("ERROR: WAF build with MIT Krb5 requires working GSSAPI implementation")
95         sys.exit(1)
96
97 conf.CHECK_FUNCS_IN('''
98        gss_wrap_iov
99        gss_krb5_import_cred
100        gss_get_name_attribute
101        gss_mech_krb5
102        gss_oid_equal
103        gss_inquire_sec_context_by_oid
104        gsskrb5_extract_authz_data_from_sec_context
105        gss_krb5_export_lucid_sec_context
106        gss_import_cred gss_export_cred
107        gss_acquire_cred_from
108        ''', 'gssapi gssapi_krb5')
109 conf.CHECK_VARIABLE('GSS_KRB5_CRED_NO_CI_FLAGS_X', headers=possible_gssapi_headers)
110 conf.CHECK_FUNCS_IN('krb5_mk_req_extended krb5_kt_compare', 'krb5')
111 conf.CHECK_FUNCS('''
112        krb5_auth_con_getrecvsubkey
113        krb5_auth_con_getsendsubkey
114        krb5_set_default_in_tkt_etypes krb5_set_default_tgs_enctypes
115        krb5_set_default_tgs_ktypes krb5_principal2salt
116        krb5_c_string_to_key krb5_get_pw_salt krb5_string_to_key_salt krb5_auth_con_setkey
117        krb5_auth_con_setuseruserkey krb5_get_permitted_enctypes
118        krb5_get_default_in_tkt_etypes krb5_free_data_contents
119        krb5_principal_get_comp_string krb5_free_unparsed_name
120        krb5_free_keytab_entry_contents krb5_kt_free_entry krb5_krbhst_init
121        krb5_krbhst_get_addrinfo
122        krb5_crypto_init krb5_crypto_destroy
123        krb5_c_verify_checksum krb5_principal_compare_any_realm
124        krb5_parse_name_norealm krb5_princ_size krb5_get_init_creds_opt_set_pac_request
125        krb5_get_renewed_creds krb5_free_error_contents
126        initialize_krb5_error_table krb5_get_init_creds_opt_alloc
127        krb5_get_init_creds_opt_free krb5_get_init_creds_opt_get_error
128        krb5_enctype_to_string krb5_fwd_tgt_creds krb5_auth_con_set_req_cksumtype
129        krb5_get_creds_opt_alloc krb5_get_creds_opt_set_impersonate krb5_get_creds
130        krb5_get_credentials_for_user krb5_get_host_realm krb5_free_host_realm
131        krb5_get_init_creds_keyblock krb5_get_init_creds_keytab
132        krb5_make_principal krb5_build_principal_alloc_va
133        krb5_cc_get_lifetime krb5_cc_retrieve_cred
134        krb5_cc_copy_creds
135        krb5_free_checksum_contents krb5_c_make_checksum krb5_create_checksum
136        krb5_config_get_bool_default krb5_get_profile
137        krb5_data_copy
138        krb5_init_keyblock krb5_principal_set_realm krb5_principal_get_type
139        krb5_principal_set_type
140        krb5_warnx
141        krb5_get_prompt_types
142        ''',
143      lib='krb5 k5crypto')
144 conf.CHECK_DECLS('''krb5_get_credentials_for_user
145                     krb5_auth_con_set_req_cksumtype''',
146                     headers='krb5.h', always=True)
147 conf.CHECK_VARIABLE('AP_OPTS_USE_SUBKEY', headers='krb5.h')
148 conf.CHECK_VARIABLE('KV5M_KEYTAB', headers='krb5.h')
149 conf.CHECK_VARIABLE('KRB5_KU_OTHER_CKSUM', headers='krb5.h')
150 conf.CHECK_VARIABLE('KRB5_KEYUSAGE_APP_DATA_CKSUM', headers='krb5.h')
151 conf.CHECK_VARIABLE('ENCTYPE_AES128_CTS_HMAC_SHA1_96', headers='krb5.h')
152 conf.CHECK_VARIABLE('ENCTYPE_AES256_CTS_HMAC_SHA1_96', headers='krb5.h')
153 conf.CHECK_DECLS('KRB5_PDU_NONE', reverse=True, headers='krb5.h')
154 conf.CHECK_STRUCTURE_MEMBER('krb5_keytab_entry', 'key', headers='krb5.h',
155                             define='HAVE_KRB5_KEYTAB_ENTRY_KEY')
156 conf.CHECK_STRUCTURE_MEMBER('krb5_keytab_entry', 'keyblock', headers='krb5.h',
157                             define='HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK')
158 conf.CHECK_STRUCTURE_MEMBER('krb5_address', 'magic', headers='krb5.h',
159                             define='HAVE_MAGIC_IN_KRB5_ADDRESS')
160 conf.CHECK_STRUCTURE_MEMBER('krb5_address', 'addrtype', headers='krb5.h',
161                             define='HAVE_ADDRTYPE_IN_KRB5_ADDRESS')
162 conf.CHECK_STRUCTURE_MEMBER('krb5_ap_req', 'ticket', headers='krb5.h',
163                             define='HAVE_TICKET_POINTER_IN_KRB5_AP_REQ')
164 conf.CHECK_STRUCTURE_MEMBER('krb5_prompt', 'type', headers='krb5.h',
165                             define='HAVE_KRB5_PROMPT_TYPE')
166
167 conf.CHECK_TYPE('krb5_encrypt_block', headers='krb5.h')
168
169 conf.CHECK_CODE('''
170        krb5_context ctx;
171        krb5_get_init_creds_opt *opt = NULL;
172        krb5_get_init_creds_opt_free(ctx, opt);
173        ''',
174     'KRB5_CREDS_OPT_FREE_REQUIRES_CONTEXT',
175     headers='krb5.h', link=False,
176     msg="Checking whether krb5_get_init_creds_opt_free takes a context argument")
177 conf.CHECK_CODE('''
178        const krb5_data *pkdata;
179        krb5_context context;
180        krb5_principal principal;
181        pkdata = krb5_princ_component(context, principal, 0);
182        ''',
183     'HAVE_KRB5_PRINC_COMPONENT',
184     headers='krb5.h', lib='krb5',
185     msg="Checking whether krb5_princ_component is available")
186
187 conf.CHECK_CODE('''
188        int main(void) {
189        char buf[256];
190        krb5_enctype_to_string(1, buf, 256);
191        return 0;
192        }''',
193     'HAVE_KRB5_ENCTYPE_TO_STRING_WITH_SIZE_T_ARG',
194     headers='krb5.h', lib='krb5 k5crypto',
195     addmain=False, cflags=conf.env['WERROR_CFLAGS'],
196     msg="Checking whether krb5_enctype_to_string takes size_t argument")
197
198 conf.CHECK_CODE('''
199        int main(void) {
200        krb5_context context = NULL;
201        char *str = NULL;
202        krb5_enctype_to_string(context, 1, &str);
203        if (str) free (str);
204        return 0;
205        }''',
206     'HAVE_KRB5_ENCTYPE_TO_STRING_WITH_KRB5_CONTEXT_ARG',
207     headers='krb5.h stdlib.h', lib='krb5',
208     addmain=False, cflags=conf.env['WERROR_CFLAGS'],
209     msg="Checking whether krb5_enctype_to_string takes krb5_context argument")
210 conf.CHECK_CODE('''
211        int main(void) {
212        krb5_context ctx = NULL;
213        krb5_principal princ = NULL;
214        const char *str = krb5_princ_realm(ctx, princ)->data;
215        return 0;
216        }''',
217     'HAVE_KRB5_PRINC_REALM',
218     headers='krb5.h', lib='krb5',
219     addmain=False,
220     msg="Checking whether the macro krb5_princ_realm is defined")
221 conf.CHECK_CODE('''
222        int main(void) {
223            krb5_context context;
224            krb5_principal principal;
225            const char *realm; realm = krb5_principal_get_realm(context, principal);
226            return 0;
227        }''',
228     'HAVE_KRB5_PRINCIPAL_GET_REALM',
229     headers='krb5.h', lib='krb5',
230     addmain=False,
231     msg="Checking whether krb5_principal_get_realm is defined")
232 conf.CHECK_CODE('''
233        krb5_enctype enctype;
234        enctype = ENCTYPE_ARCFOUR_HMAC_MD5;
235        ''',
236     '_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5',
237     headers='krb5.h', lib='krb5',
238     msg="Checking whether the ENCTYPE_ARCFOUR_HMAC_MD5 key type definition is available");
239 conf.CHECK_CODE('''
240        krb5_enctype enctype;
241        enctype = ENCTYPE_ARCFOUR_HMAC_MD5_56;
242        ''',
243     '_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5_56',
244     headers='krb5.h', lib='krb5',
245     msg="Checking whether the ENCTYPE_ARCFOUR_HMAC_MD5_56 key type definition is available");
246 conf.CHECK_CODE('''
247        krb5_keytype keytype;
248        keytype = KEYTYPE_ARCFOUR_56;
249        ''',
250     '_HAVE_KEYTYPE_ARCFOUR_56',
251     headers='krb5.h', lib='krb5',
252     msg="Checking whether the HAVE_KEYTYPE_ARCFOUR_56 key type definition is available");
253 if conf.CONFIG_SET('_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5') and conf.CONFIG_SET('_HAVE_KEYTYPE_ARCFOUR_56'):
254     conf.DEFINE('HAVE_ENCTYPE_ARCFOUR_HMAC_MD5', '1')
255 if conf.CONFIG_SET('_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5_56') and conf.CONFIG_SET('_HAVE_KEYTYPE_ARCFOUR_56'):
256     conf.DEFINE('HAVE_ENCTYPE_ARCFOUR_HMAC_MD5_56', '1')
257
258 conf.CHECK_CODE('''
259        krb5_enctype enctype;
260        enctype = ENCTYPE_ARCFOUR_HMAC;
261        ''',
262     'HAVE_ENCTYPE_ARCFOUR_HMAC',
263     headers='krb5.h', lib='krb5',
264     msg="Checking whether the ENCTYPE_ARCFOUR_HMAC key type definition is available");
265 conf.CHECK_CODE('''
266        krb5_enctype enctype;
267        enctype = ENCTYPE_ARCFOUR_HMAC_EXP;
268        ''',
269     'HAVE_ENCTYPE_ARCFOUR_HMAC_EXP',
270     headers='krb5.h', lib='krb5',
271     msg="Checking whether the ENCTYPE_ARCFOUR_HMAC_EXP key type definition is available");
272
273 conf.CHECK_CODE('''
274        krb5_context context;
275        krb5_keytab keytab;
276        krb5_init_context(&context);
277        return krb5_kt_resolve(context, "WRFILE:api", &keytab);
278        ''',
279     'HAVE_WRFILE_KEYTAB',
280     headers='krb5.h', lib='krb5', execute=True,
281     msg="Checking whether the WRFILE:-keytab is supported");
282 # Check for KRB5_DEPRECATED handling
283 conf.CHECK_CODE('''#define KRB5_DEPRECATED 1
284        #include <krb5.h>''',
285    'HAVE_KRB5_DEPRECATED_WITH_IDENTIFIER', addmain=False,
286     link=False,
287     msg="Checking for KRB5_DEPRECATED define taking an identifier")
288
289 conf.CHECK_CODE('''
290        krb5_creds creds;
291        creds.flags.b.initial = 0;
292        ''',
293     'HAVE_FLAGS_IN_KRB5_CREDS',
294     headers='krb5.h', lib='krb5', execute=False,
295     msg="Checking whether krb5_creds have flags property")