Introduce system MIT krb5 build with --with-system-mitkrb5 option.
[samba.git] / wscript_configure_system_mitkrb5
1 import Logs, Options
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 conf.find_program('krb5-config', var='KRB5_CONFIG')
17 if conf.env.KRB5_CONFIG:
18     conf.check_cfg(path="krb5-config", args="--cflags --libs",
19                package="", uselib_store="KRB5")
20     krb5_define_syslib(conf, "krb5", conf.env['LIB_KRB5'])
21     for lib in conf.env['LIB_KRB5']:
22         krb5_define_syslib(conf, lib, lib)
23
24     conf.check_cfg(path="krb5-config", args="--cflags --libs",
25                package="gssapi", uselib_store="GSSAPI")
26     krb5_define_syslib(conf, "gssapi", conf.env['LIB_GSSAPI'])
27
28     vendor = conf.cmd_and_log("%(path)s --vendor" % dict(path=conf.env.KRB5_CONFIG), dict())
29     conf.env.KRB5_VENDOR = vendor.strip().lower()
30     if conf.env.KRB5_VENDOR != 'heimdal':
31         conf.define('USING_SYSTEM_KRB5', 1)
32         del conf.env.HEIMDAL_KRB5_CONFIG
33
34 conf.check_cfg(args="--cflags --libs", package="com_err", uselib_store="com_err")
35 conf.CHECK_FUNCS_IN('_et_list', 'com_err')
36 conf.CHECK_HEADERS('com_err.h', lib='com_err')
37
38 conf.CHECK_HEADERS('krb5.h krb5/locate_plugin.h', lib='krb5')
39 conf.CHECK_HEADERS('gssapi.h gssapi/gssapi_generic.h gssapi/gssapi.h gssapi/gssapi_ext.h gssapi/gssapi_krb5.h', lib='gssapi')
40
41 conf.CHECK_FUNCS_IN('krb5_encrypt_data', 'k5crypto')
42 conf.CHECK_FUNCS_IN('des_set_key','crypto')
43 conf.CHECK_FUNCS_IN('copy_Authenticator', 'asn1')
44 conf.CHECK_FUNCS_IN('roken_getaddrinfo_hostspec', 'roken')
45 if conf.CHECK_FUNCS_IN('gss_display_status', 'gssapi') or \
46    conf.CHECK_FUNCS_IN('gss_display_status', 'gssapi_krb5'):
47     have_gssapi=True
48 conf.CHECK_FUNCS_IN('''
49        gss_wrap_iov
50        gss_krb5_import_cred
51        gss_get_name_attribute
52        gss_mech_krb5
53        gss_oid_equal
54        gss_inquire_sec_context_by_oid
55        gsskrb5_extract_authz_data_from_sec_context
56        gss_krb5_export_lucid_sec_context
57        gss_import_cred gss_export_cred
58        ''', 'gssapi gssapi_krb5 krb5')
59 conf.CHECK_FUNCS_IN('krb5_mk_req_extended krb5_kt_compare', 'krb5')
60 conf.CHECK_FUNCS('''
61        krb5_set_default_in_tkt_etypes krb5_set_default_tgs_enctypes
62        krb5_set_default_tgs_ktypes krb5_principal2salt
63        krb5_c_string_to_key krb5_get_pw_salt krb5_string_to_key_salt krb5_auth_con_setkey
64        krb5_auth_con_setuseruserkey krb5_get_permitted_enctypes
65        krb5_get_default_in_tkt_etypes krb5_free_data_contents
66        krb5_principal_get_comp_string krb5_free_unparsed_name
67        krb5_free_keytab_entry_contents krb5_kt_free_entry krb5_krbhst_init
68        krb5_krbhst_get_addrinfo
69        krb5_crypto_init krb5_crypto_destroy
70        krb5_c_verify_checksum krb5_principal_compare_any_realm
71        krb5_parse_name_norealm krb5_princ_size krb5_get_init_creds_opt_set_pac_request
72        krb5_get_renewed_creds krb5_free_error_contents
73        initialize_krb5_error_table krb5_get_init_creds_opt_alloc
74        krb5_get_init_creds_opt_free krb5_get_init_creds_opt_get_error
75        krb5_enctype_to_string krb5_fwd_tgt_creds krb5_auth_con_set_req_cksumtype
76        krb5_get_creds_opt_alloc krb5_get_creds_opt_set_impersonate krb5_get_creds
77        krb5_get_credentials_for_user krb5_get_host_realm krb5_free_host_realm
78        krb5_get_init_creds_keyblock krb5_get_init_creds_keytab
79        krb5_make_principal krb5_build_principal_alloc_va
80        krb5_cc_get_lifetime krb5_cc_retrieve_cred
81        krb5_free_checksum_contents krb5_c_make_checksum''',
82      lib='krb5 k5crypto')
83 conf.CHECK_DECLS('''krb5_get_credentials_for_user
84                     krb5_auth_con_set_req_cksumtype''',
85                     headers='krb5.h', always=True)
86 conf.CHECK_VARIABLE('AP_OPTS_USE_SUBKEY', headers='krb5.h')
87 conf.CHECK_VARIABLE('KV5M_KEYTAB', headers='krb5.h')
88 conf.CHECK_VARIABLE('KRB5_KU_OTHER_CKSUM', headers='krb5.h')
89 conf.CHECK_VARIABLE('KRB5_KEYUSAGE_APP_DATA_CKSUM', headers='krb5.h')
90 conf.CHECK_VARIABLE('ENCTYPE_AES128_CTS_HMAC_SHA1_96', headers='krb5.h')
91 conf.CHECK_VARIABLE('ENCTYPE_AES256_CTS_HMAC_SHA1_96', headers='krb5.h')
92 conf.CHECK_DECLS('KRB5_PDU_NONE', reverse=True, headers='krb5.h')
93 conf.CHECK_STRUCTURE_MEMBER('krb5_keytab_entry', 'key', headers='krb5.h',
94                             define='HAVE_KRB5_KEYTAB_ENTRY_KEY')
95 conf.CHECK_STRUCTURE_MEMBER('krb5_keytab_entry', 'keyblock', headers='krb5.h',
96                             define='HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK')
97 conf.CHECK_STRUCTURE_MEMBER('krb5_address', 'magic', headers='krb5.h',
98                             define='HAVE_MAGIC_IN_KRB5_ADDRESS')
99 conf.CHECK_STRUCTURE_MEMBER('krb5_address', 'addrtype', headers='krb5.h',
100                             define='HAVE_ADDRTYPE_IN_KRB5_ADDRESS')
101 conf.CHECK_STRUCTURE_MEMBER('krb5_ap_req', 'ticket', headers='krb5.h',
102                             define='HAVE_TICKET_POINTER_IN_KRB5_AP_REQ')
103
104 conf.CHECK_TYPE('krb5_encrypt_block', headers='krb5.h')
105
106 conf.CHECK_CODE('''
107        krb5_context ctx;
108        krb5_get_init_creds_opt *opt = NULL;
109        krb5_get_init_creds_opt_free(ctx, opt);
110        ''',
111     'KRB5_CREDS_OPT_FREE_REQUIRES_CONTEXT',
112     headers='krb5.h', link=False,
113     msg="Checking whether krb5_get_init_creds_opt_free takes a context argument")
114 conf.CHECK_CODE('''
115        const krb5_data *pkdata;
116        krb5_context context;
117        krb5_principal principal;
118        pkdata = krb5_princ_component(context, principal, 0);
119        ''',
120     'HAVE_KRB5_PRINC_COMPONENT',
121     headers='krb5.h', lib='krb5',
122     msg="Checking whether krb5_princ_component is available")
123
124 conf.CHECK_CODE('''
125        int main(void) {
126        char buf[256];
127        krb5_enctype_to_string(1, buf, 256);
128        return 0;
129        }''',
130     'HAVE_KRB5_ENCTYPE_TO_STRING_WITH_SIZE_T_ARG',
131     headers='krb5.h', lib='krb5 k5crypto',
132     addmain=False, cflags='-Werror',
133     msg="Checking whether krb5_enctype_to_string takes size_t argument")
134
135 conf.CHECK_CODE('''
136        int main(void) {
137        krb5_context context = NULL;
138        char *str = NULL;
139        krb5_enctype_to_string(context, 1, &str);
140        if (str) free (str);
141        return 0;
142        }''',
143     'HAVE_KRB5_ENCTYPE_TO_STRING_WITH_KRB5_CONTEXT_ARG',
144     headers='krb5.h stdlib.h', lib='krb5',
145     addmain=False, cflags='-Werror',
146     msg="Checking whether krb5_enctype_to_string takes krb5_context argument")
147 conf.CHECK_CODE('''
148        int main(void) {
149        krb5_context ctx = NULL;
150        krb5_principal princ = NULL;
151        const char *str = krb5_princ_realm(ctx, princ)->data;
152        return 0;
153        }''',
154     'HAVE_KRB5_PRINC_REALM',
155     headers='krb5.h', lib='krb5',
156     addmain=False,
157     msg="Checking whether the macro krb5_princ_realm is defined")
158 conf.CHECK_CODE('''
159        int main(void) {
160            krb5_context context;
161            krb5_principal principal;
162            const char *realm; realm = krb5_principal_get_realm(context, principal);
163            return 0;
164        }''',
165     'HAVE_KRB5_PRINCIPAL_GET_REALM',
166     headers='krb5.h', lib='krb5',
167     addmain=False,
168     msg="Checking whether krb5_principal_get_realm is defined")
169 conf.CHECK_CODE('''
170        krb5_enctype enctype;
171        enctype = ENCTYPE_ARCFOUR_HMAC_MD5;
172        ''',
173     '_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5',
174     headers='krb5.h', lib='krb5',
175     msg="Checking whether the ENCTYPE_ARCFOUR_HMAC_MD5 key type definition is available");
176 conf.CHECK_CODE('''
177        krb5_enctype enctype;
178        enctype = ENCTYPE_ARCFOUR_HMAC_MD5_56;
179        ''',
180     '_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5_56',
181     headers='krb5.h', lib='krb5',
182     msg="Checking whether the ENCTYPE_ARCFOUR_HMAC_MD5_56 key type definition is available");
183 conf.CHECK_CODE('''
184        krb5_keytype keytype;
185        keytype = KEYTYPE_ARCFOUR_56;
186        ''',
187     '_HAVE_KEYTYPE_ARCFOUR_56',
188     headers='krb5.h', lib='krb5',
189     msg="Checking whether the HAVE_KEYTYPE_ARCFOUR_56 key type definition is available");
190 if conf.CONFIG_SET('_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5') and conf.CONFIG_SET('_HAVE_KEYTYPE_ARCFOUR_56'):
191     conf.DEFINE('HAVE_ENCTYPE_ARCFOUR_HMAC_MD5', '1')
192 if conf.CONFIG_SET('_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5_56') and conf.CONFIG_SET('_HAVE_KEYTYPE_ARCFOUR_56'):
193     conf.DEFINE('HAVE_ENCTYPE_ARCFOUR_HMAC_MD5_56', '1')
194
195 conf.CHECK_CODE('''
196        krb5_enctype enctype;
197        enctype = ENCTYPE_ARCFOUR_HMAC;
198        ''',
199     'HAVE_ENCTYPE_ARCFOUR_HMAC',
200     headers='krb5.h', lib='krb5',
201     msg="Checking whether the ENCTYPE_ARCFOUR_HMAC key type definition is available");
202 conf.CHECK_CODE('''
203        krb5_enctype enctype;
204        enctype = ENCTYPE_ARCFOUR_HMAC_EXP;
205        ''',
206     'HAVE_ENCTYPE_ARCFOUR_HMAC_EXP',
207     headers='krb5.h', lib='krb5',
208     msg="Checking whether the ENCTYPE_ARCFOUR_HMAC_EXP key type definition is available");
209
210 conf.CHECK_CODE('''
211        krb5_context context;
212        krb5_keytab keytab;
213        krb5_init_context(&context);
214        return krb5_kt_resolve(context, "WRFILE:api", &keytab);
215        ''',
216     'HAVE_WRFILE_KEYTAB',
217     headers='krb5.h', lib='krb5', execute=True,
218     msg="Checking whether the WRFILE:-keytab is supported");
219 # Check for KRB5_DEPRECATED handling
220 conf.CHECK_CODE('''#define KRB5_DEPRECATED 1
221        #include <krb5.h>''',
222    'HAVE_KRB5_DEPRECATED_WITH_IDENTIFIER', addmain=False,
223     link=False,
224     msg="Checking for KRB5_DEPRECATED define taking an identifier")