Transition to waf 1.8: wrapped conf.check_cfg
[samba.git] / wscript_configure_system_mitkrb5
1 import Logs, Options, sys
2
3 # Check for kerberos
4 have_gssapi=False
5
6 def krb5_define_syslib(conf, lib, deps):
7     found = 'FOUND_SYSTEMLIB_' + lib
8     if found in conf.env:
9         return
10     conf.SET_TARGET_TYPE(lib, 'SYSLIB')
11     conf.SET_SYSLIB_DEPS(lib, deps)
12     conf.env[found] = True
13
14 Logs.info("Looking for kerberos features")
15 conf.find_program('krb5-config.heimdal', var='HEIMDAL_KRB5_CONFIG')
16
17 if isinstance(Options.options.with_system_mitkrb5, list):
18     path_krb5_config = [x+'/bin' for x in Options.options.with_system_mitkrb5]
19 else:
20     path_krb5_config = None
21
22 conf.find_program('krb5-config', path_list=path_krb5_config, var='KRB5_CONFIG')
23 if conf.env.KRB5_CONFIG:
24     conf.CHECK_CFG(path=conf.env.KRB5_CONFIG, args="--cflags --libs",
25                package="", uselib_store="KRB5")
26     krb5_define_syslib(conf, "krb5", conf.env['LIB_KRB5'])
27
28     conf.CHECK_CFG(path=conf.env.KRB5_CONFIG, args="--cflags --libs",
29                package="gssapi", uselib_store="GSSAPI")
30     krb5_define_syslib(conf, "gssapi", conf.env['LIB_GSSAPI'])
31     if 'k5crypto' in conf.env['LIB_GSSAPI']:
32         krb5_define_syslib(conf, "k5crypto", conf.env['LIB_GSSAPI'])
33     if 'com_err' in conf.env['LIB_GSSAPI']:
34         krb5_define_syslib(conf, "com_err", conf.env['LIB_GSSAPI'])
35     if 'gssapi_krb5' in conf.env['LIB_GSSAPI']:
36         krb5_define_syslib(conf, "gssapi_krb5", conf.env['LIB_GSSAPI'])
37
38     vendor = conf.cmd_and_log("%(path)s --vendor" % dict(path=conf.env.KRB5_CONFIG), dict())
39     conf.env.KRB5_VENDOR = vendor.strip().lower()
40     if conf.env.KRB5_VENDOR != 'heimdal':
41         conf.define('USING_SYSTEM_KRB5', 1)
42         del conf.env.HEIMDAL_KRB5_CONFIG
43         kversion = conf.cmd_and_log("%(path)s --version" % dict(path=conf.env.KRB5_CONFIG), dict()).strip()
44         kversion_split = kversion.split(' ')[-1].split('.')
45         # drop '-prerelease' suffix
46         if kversion_split[-1].find('-') > 0:
47             last_digit = kversion_split[-1].split('-')[0]
48             kversion_split[-1] = last_digit
49         kversion_check = map(int, kversion_split)
50         if kversion_check < [1, 9]:
51             Logs.error('ERROR: MIT krb5 build requires at least 1.9.0. %s is found and cannot be used' % (kversion))
52             Logs.error('ERROR: You may try to build with embedded Heimdal Kerebros by not specifying --with-system-mitkrb5')
53             sys.exit(1)
54         else:
55             Logs.info('%s is detected, MIT krb5 build can proceed' % (kversion))
56
57 conf.CHECK_CFG(args="--cflags --libs", package="com_err", uselib_store="com_err")
58 conf.CHECK_FUNCS_IN('_et_list', 'com_err')
59 conf.CHECK_HEADERS('com_err.h', lib='com_err')
60
61 conf.CHECK_HEADERS('krb5.h krb5/locate_plugin.h', lib='krb5')
62 conf.CHECK_HEADERS('gssapi.h gssapi/gssapi_generic.h gssapi/gssapi.h gssapi/gssapi_ext.h gssapi/gssapi_krb5.h', lib='gssapi')
63
64 conf.CHECK_FUNCS_IN('krb5_encrypt_data', 'k5crypto')
65 conf.CHECK_FUNCS_IN('des_set_key','crypto')
66 conf.CHECK_FUNCS_IN('copy_Authenticator', 'asn1')
67 conf.CHECK_FUNCS_IN('roken_getaddrinfo_hostspec', 'roken')
68
69 conf.CHECK_HEADERS('profile.h')
70
71 if conf.CHECK_FUNCS_IN('gss_display_status', 'gssapi gssapi_krb5'):
72     have_gssapi=True
73
74 if not have_gssapi:
75     if conf.env.KRB5_CONFIG and conf.env.KRB5_CONFIG != 'heimdal':
76         Logs.error("ERROR: WAF build with MIT Krb5 requires working GSSAPI implementation")
77         sys.exit(1)
78
79 conf.CHECK_FUNCS_IN('''
80        gss_wrap_iov
81        gss_krb5_import_cred
82        gss_get_name_attribute
83        gss_mech_krb5
84        gss_oid_equal
85        gss_inquire_sec_context_by_oid
86        gsskrb5_extract_authz_data_from_sec_context
87        gss_krb5_export_lucid_sec_context
88        gss_import_cred gss_export_cred
89        ''', 'gssapi gssapi_krb5')
90 conf.CHECK_FUNCS_IN('krb5_mk_req_extended krb5_kt_compare', 'krb5')
91 conf.CHECK_FUNCS('''
92        krb5_set_default_in_tkt_etypes krb5_set_default_tgs_enctypes
93        krb5_set_default_tgs_ktypes krb5_principal2salt
94        krb5_c_string_to_key krb5_get_pw_salt krb5_string_to_key_salt krb5_auth_con_setkey
95        krb5_auth_con_setuseruserkey krb5_get_permitted_enctypes
96        krb5_get_default_in_tkt_etypes krb5_free_data_contents
97        krb5_principal_get_comp_string krb5_free_unparsed_name
98        krb5_free_keytab_entry_contents krb5_kt_free_entry krb5_krbhst_init
99        krb5_krbhst_get_addrinfo
100        krb5_crypto_init krb5_crypto_destroy
101        krb5_c_verify_checksum krb5_principal_compare_any_realm
102        krb5_parse_name_norealm krb5_princ_size krb5_get_init_creds_opt_set_pac_request
103        krb5_get_renewed_creds krb5_free_error_contents
104        initialize_krb5_error_table krb5_get_init_creds_opt_alloc
105        krb5_get_init_creds_opt_free krb5_get_init_creds_opt_get_error
106        krb5_enctype_to_string krb5_fwd_tgt_creds krb5_auth_con_set_req_cksumtype
107        krb5_get_creds_opt_alloc krb5_get_creds_opt_set_impersonate krb5_get_creds
108        krb5_get_credentials_for_user krb5_get_host_realm krb5_free_host_realm
109        krb5_get_init_creds_keyblock krb5_get_init_creds_keytab
110        krb5_make_principal krb5_build_principal_alloc_va
111        krb5_cc_get_lifetime krb5_cc_retrieve_cred
112        krb5_free_checksum_contents krb5_c_make_checksum krb5_create_checksum
113        krb5_config_get_bool_default krb5_get_profile
114        krb5_data_copy
115        krb5_keyblock_init krb5_principal_set_realm krb5_principal_get_type
116        krb5_warnx
117        ''',
118      lib='krb5 k5crypto')
119 conf.CHECK_DECLS('''krb5_get_credentials_for_user
120                     krb5_auth_con_set_req_cksumtype''',
121                     headers='krb5.h', always=True)
122 conf.CHECK_VARIABLE('AP_OPTS_USE_SUBKEY', headers='krb5.h')
123 conf.CHECK_VARIABLE('KV5M_KEYTAB', headers='krb5.h')
124 conf.CHECK_VARIABLE('KRB5_KU_OTHER_CKSUM', headers='krb5.h')
125 conf.CHECK_VARIABLE('KRB5_KEYUSAGE_APP_DATA_CKSUM', headers='krb5.h')
126 conf.CHECK_VARIABLE('ENCTYPE_AES128_CTS_HMAC_SHA1_96', headers='krb5.h')
127 conf.CHECK_VARIABLE('ENCTYPE_AES256_CTS_HMAC_SHA1_96', headers='krb5.h')
128 conf.CHECK_DECLS('KRB5_PDU_NONE', reverse=True, headers='krb5.h')
129 conf.CHECK_STRUCTURE_MEMBER('krb5_keytab_entry', 'key', headers='krb5.h',
130                             define='HAVE_KRB5_KEYTAB_ENTRY_KEY')
131 conf.CHECK_STRUCTURE_MEMBER('krb5_keytab_entry', 'keyblock', headers='krb5.h',
132                             define='HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK')
133 conf.CHECK_STRUCTURE_MEMBER('krb5_address', 'magic', headers='krb5.h',
134                             define='HAVE_MAGIC_IN_KRB5_ADDRESS')
135 conf.CHECK_STRUCTURE_MEMBER('krb5_address', 'addrtype', headers='krb5.h',
136                             define='HAVE_ADDRTYPE_IN_KRB5_ADDRESS')
137 conf.CHECK_STRUCTURE_MEMBER('krb5_ap_req', 'ticket', headers='krb5.h',
138                             define='HAVE_TICKET_POINTER_IN_KRB5_AP_REQ')
139
140 conf.CHECK_TYPE('krb5_encrypt_block', headers='krb5.h')
141
142 conf.CHECK_CODE('''
143        krb5_context ctx;
144        krb5_get_init_creds_opt *opt = NULL;
145        krb5_get_init_creds_opt_free(ctx, opt);
146        ''',
147     'KRB5_CREDS_OPT_FREE_REQUIRES_CONTEXT',
148     headers='krb5.h', link=False,
149     msg="Checking whether krb5_get_init_creds_opt_free takes a context argument")
150 conf.CHECK_CODE('''
151        const krb5_data *pkdata;
152        krb5_context context;
153        krb5_principal principal;
154        pkdata = krb5_princ_component(context, principal, 0);
155        ''',
156     'HAVE_KRB5_PRINC_COMPONENT',
157     headers='krb5.h', lib='krb5',
158     msg="Checking whether krb5_princ_component is available")
159
160 conf.CHECK_CODE('''
161        int main(void) {
162        char buf[256];
163        krb5_enctype_to_string(1, buf, 256);
164        return 0;
165        }''',
166     'HAVE_KRB5_ENCTYPE_TO_STRING_WITH_SIZE_T_ARG',
167     headers='krb5.h', lib='krb5 k5crypto',
168     addmain=False, cflags=conf.env['WERROR_CFLAGS'],
169     msg="Checking whether krb5_enctype_to_string takes size_t argument")
170
171 conf.CHECK_CODE('''
172        int main(void) {
173        krb5_context context = NULL;
174        char *str = NULL;
175        krb5_enctype_to_string(context, 1, &str);
176        if (str) free (str);
177        return 0;
178        }''',
179     'HAVE_KRB5_ENCTYPE_TO_STRING_WITH_KRB5_CONTEXT_ARG',
180     headers='krb5.h stdlib.h', lib='krb5',
181     addmain=False, cflags=conf.env['WERROR_CFLAGS'],
182     msg="Checking whether krb5_enctype_to_string takes krb5_context argument")
183 conf.CHECK_CODE('''
184        int main(void) {
185        krb5_context ctx = NULL;
186        krb5_principal princ = NULL;
187        const char *str = krb5_princ_realm(ctx, princ)->data;
188        return 0;
189        }''',
190     'HAVE_KRB5_PRINC_REALM',
191     headers='krb5.h', lib='krb5',
192     addmain=False,
193     msg="Checking whether the macro krb5_princ_realm is defined")
194 conf.CHECK_CODE('''
195        int main(void) {
196            krb5_context context;
197            krb5_principal principal;
198            const char *realm; realm = krb5_principal_get_realm(context, principal);
199            return 0;
200        }''',
201     'HAVE_KRB5_PRINCIPAL_GET_REALM',
202     headers='krb5.h', lib='krb5',
203     addmain=False,
204     msg="Checking whether krb5_principal_get_realm is defined")
205 conf.CHECK_CODE('''
206        krb5_enctype enctype;
207        enctype = ENCTYPE_ARCFOUR_HMAC_MD5;
208        ''',
209     '_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5',
210     headers='krb5.h', lib='krb5',
211     msg="Checking whether the ENCTYPE_ARCFOUR_HMAC_MD5 key type definition is available");
212 conf.CHECK_CODE('''
213        krb5_enctype enctype;
214        enctype = ENCTYPE_ARCFOUR_HMAC_MD5_56;
215        ''',
216     '_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5_56',
217     headers='krb5.h', lib='krb5',
218     msg="Checking whether the ENCTYPE_ARCFOUR_HMAC_MD5_56 key type definition is available");
219 conf.CHECK_CODE('''
220        krb5_keytype keytype;
221        keytype = KEYTYPE_ARCFOUR_56;
222        ''',
223     '_HAVE_KEYTYPE_ARCFOUR_56',
224     headers='krb5.h', lib='krb5',
225     msg="Checking whether the HAVE_KEYTYPE_ARCFOUR_56 key type definition is available");
226 if conf.CONFIG_SET('_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5') and conf.CONFIG_SET('_HAVE_KEYTYPE_ARCFOUR_56'):
227     conf.DEFINE('HAVE_ENCTYPE_ARCFOUR_HMAC_MD5', '1')
228 if conf.CONFIG_SET('_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5_56') and conf.CONFIG_SET('_HAVE_KEYTYPE_ARCFOUR_56'):
229     conf.DEFINE('HAVE_ENCTYPE_ARCFOUR_HMAC_MD5_56', '1')
230
231 conf.CHECK_CODE('''
232        krb5_enctype enctype;
233        enctype = ENCTYPE_ARCFOUR_HMAC;
234        ''',
235     'HAVE_ENCTYPE_ARCFOUR_HMAC',
236     headers='krb5.h', lib='krb5',
237     msg="Checking whether the ENCTYPE_ARCFOUR_HMAC key type definition is available");
238 conf.CHECK_CODE('''
239        krb5_enctype enctype;
240        enctype = ENCTYPE_ARCFOUR_HMAC_EXP;
241        ''',
242     'HAVE_ENCTYPE_ARCFOUR_HMAC_EXP',
243     headers='krb5.h', lib='krb5',
244     msg="Checking whether the ENCTYPE_ARCFOUR_HMAC_EXP key type definition is available");
245
246 conf.CHECK_CODE('''
247        krb5_context context;
248        krb5_keytab keytab;
249        krb5_init_context(&context);
250        return krb5_kt_resolve(context, "WRFILE:api", &keytab);
251        ''',
252     'HAVE_WRFILE_KEYTAB',
253     headers='krb5.h', lib='krb5', execute=True,
254     msg="Checking whether the WRFILE:-keytab is supported");
255 # Check for KRB5_DEPRECATED handling
256 conf.CHECK_CODE('''#define KRB5_DEPRECATED 1
257        #include <krb5.h>''',
258    'HAVE_KRB5_DEPRECATED_WITH_IDENTIFIER', addmain=False,
259     link=False,
260     msg="Checking for KRB5_DEPRECATED define taking an identifier")
261
262 conf.CHECK_CODE('''
263        krb5_creds creds;
264        creds.flags.b.initial = 0;
265        ''',
266     'HAVE_FLAGS_IN_KRB5_CREDS',
267     headers='krb5.h', lib='krb5', execute=False,
268     msg="Checking whether krb5_creds have flags property")