2 * Copyright (c) 1997 - 2003 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
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34 #include <krb5_locl.h>
36 static krb5_error_code
37 make_etypelist(krb5_context context,
38 krb5_authdata **auth_data)
47 ret = krb5_init_etype(context, &etypes.len, &etypes.val, NULL);
51 ASN1_MALLOC_ENCODE(EtypeList, buf, buf_size, &etypes, &len, ret);
53 free_EtypeList(&etypes);
57 krb5_abortx(context, "internal error in ASN.1 encoder");
58 free_EtypeList(&etypes);
63 krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
67 ad.val[0].ad_type = KRB5_AUTHDATA_GSS_API_ETYPE_NEGOTIATION;
68 ad.val[0].ad_data.length = len;
69 ad.val[0].ad_data.data = buf;
71 ASN1_MALLOC_ENCODE(AD_IF_RELEVANT, buf, buf_size, &ad, &len, ret);
73 free_AuthorizationData(&ad);
77 krb5_abortx(context, "internal error in ASN.1 encoder");
78 free_AuthorizationData(&ad);
81 if (*auth_data == NULL) {
83 krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
87 ALLOC_SEQ(*auth_data, 1);
88 if ((*auth_data)->val == NULL) {
91 krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
95 (*auth_data)->val[0].ad_type = KRB5_AUTHDATA_IF_RELEVANT;
96 (*auth_data)->val[0].ad_data.length = len;
97 (*auth_data)->val[0].ad_data.data = buf;
102 krb5_error_code KRB5_LIB_FUNCTION
103 _krb5_build_authenticator(krb5_context context,
104 krb5_auth_context auth_context,
105 krb5_enctype enctype,
109 krb5_key_usage usage)
118 memset(&auth, 0, sizeof(auth));
120 auth.authenticator_vno = 5;
121 copy_Realm(&cred->client->realm, &auth.crealm);
122 copy_PrincipalName(&cred->client->name, &auth.cname);
124 krb5_us_timeofday (context, &auth.ctime, &auth.cusec);
126 ret = krb5_auth_con_getlocalsubkey(context, auth_context, &auth.subkey);
130 if (auth_context->flags & KRB5_AUTH_CONTEXT_DO_SEQUENCE) {
131 if(auth_context->local_seqnumber == 0)
132 krb5_generate_seq_number (context,
134 &auth_context->local_seqnumber);
135 ALLOC(auth.seq_number, 1);
136 if(auth.seq_number == NULL) {
140 *auth.seq_number = auth_context->local_seqnumber;
142 auth.seq_number = NULL;
143 auth.authorization_data = NULL;
146 ALLOC(auth.cksum, 1);
147 if (auth.cksum == NULL) {
151 ret = copy_Checksum(cksum, auth.cksum);
155 if (auth.cksum->cksumtype == CKSUMTYPE_GSSAPI) {
157 * This is not GSS-API specific, we only enable it for
160 ret = make_etypelist(context, &auth.authorization_data);
166 /* XXX - Copy more to auth_context? */
168 auth_context->authenticator->ctime = auth.ctime;
169 auth_context->authenticator->cusec = auth.cusec;
171 ASN1_MALLOC_ENCODE(Authenticator, buf, buf_size, &auth, &len, ret);
175 krb5_abortx(context, "internal error in ASN.1 encoder");
177 ret = krb5_crypto_init(context, &cred->session, enctype, &crypto);
180 ret = krb5_encrypt (context,
182 usage /* KRB5_KU_AP_REQ_AUTH */,
186 krb5_crypto_destroy(context, crypto);
192 free_Authenticator (&auth);