#ifdef HAVE_KRB5
-#ifdef HAVE_KRB5_KEYBLOCK_KEYVALUE
-#define KRB5_KEY_TYPE(k) ((k)->keytype)
+#ifdef HAVE_KRB5_KEYBLOCK_KEYVALUE /* Heimdal */
+#define KRB5_KEY_TYPE(k) ((k)->keytype)
#define KRB5_KEY_LENGTH(k) ((k)->keyvalue.length)
#define KRB5_KEY_DATA(k) ((k)->keyvalue.data)
-#else
+#else /* MIT */
#define KRB5_KEY_TYPE(k) ((k)->enctype)
#define KRB5_KEY_LENGTH(k) ((k)->length)
#define KRB5_KEY_DATA(k) ((k)->contents)
#endif /* HAVE_KRB5_KEYBLOCK_KEYVALUE */
+/**************************************************************
+ Wrappers around kerberos string functions that convert from
+ utf8 -> unix charset and vica versa.
+**************************************************************/
+
+/**************************************************************
+ krb5_parse_name that takes a UNIX charset.
+**************************************************************/
+
+ krb5_error_code smb_krb5_parse_name(krb5_context context,
+ const char *name, /* in unix charset */
+ krb5_principal *principal)
+{
+ krb5_error_code ret;
+ char *utf8_name;
+
+ if (push_utf8_allocate(&utf8_name, name) == (size_t)-1) {
+ return ENOMEM;
+ }
+
+ ret = krb5_parse_name(context, utf8_name, principal);
+ SAFE_FREE(utf8_name);
+ return ret;
+}
+
+#ifdef HAVE_KRB5_PARSE_NAME_NOREALM
+/**************************************************************
+ krb5_parse_name_norealm that takes a UNIX charset.
+**************************************************************/
+
+static krb5_error_code smb_krb5_parse_name_norealm_conv(krb5_context context,
+ const char *name, /* in unix charset */
+ krb5_principal *principal)
+{
+ krb5_error_code ret;
+ char *utf8_name;
+
+ *principal = NULL;
+ if (push_utf8_allocate(&utf8_name, name) == (size_t)-1) {
+ return ENOMEM;
+ }
+
+ ret = krb5_parse_name_norealm(context, utf8_name, principal);
+ SAFE_FREE(utf8_name);
+ return ret;
+}
+#endif
+
+/**************************************************************
+ krb5_parse_name that returns a UNIX charset name. Must
+ be freed with normal free() call.
+**************************************************************/
+
+ krb5_error_code smb_krb5_unparse_name(krb5_context context,
+ krb5_const_principal principal,
+ char **unix_name)
+{
+ krb5_error_code ret;
+ char *utf8_name;
+
+ *unix_name = NULL;
+ ret = krb5_unparse_name(context, principal, &utf8_name);
+ if (ret) {
+ return ret;
+ }
+
+ if (pull_utf8_allocate(unix_name, utf8_name)==-1) {
+ krb5_free_unparsed_name(context, utf8_name);
+ return ENOMEM;
+ }
+ krb5_free_unparsed_name(context, utf8_name);
+ return 0;
+}
+
#ifndef HAVE_KRB5_SET_REAL_TIME
/*
* This function is not in the Heimdal mainline.
}
#endif
-#if defined(HAVE_KRB5_SET_DEFAULT_IN_TKT_ETYPES) && !defined(HAVE_KRB5_SET_DEFAULT_TGS_KTYPES)
+#if !defined(HAVE_KRB5_SET_DEFAULT_TGS_KTYPES)
+
+#if defined(HAVE_KRB5_SET_DEFAULT_TGS_ENCTYPES)
+
+/* With MIT kerberos, we should use krb5_set_default_tgs_enctypes in preference
+ * to krb5_set_default_tgs_ktypes. See
+ * http://lists.samba.org/archive/samba-technical/2006-July/048271.html
+ *
+ * If the MIT libraries are not exporting internal symbols, we will end up in
+ * this branch, which is correct. Otherwise we will continue to use the
+ * internal symbol
+ */
+ krb5_error_code krb5_set_default_tgs_ktypes(krb5_context ctx, const krb5_enctype *enc)
+{
+ return krb5_set_default_tgs_enctypes(ctx, enc);
+}
+
+#elif defined(HAVE_KRB5_SET_DEFAULT_IN_TKT_ETYPES)
+
+/* Heimdal */
krb5_error_code krb5_set_default_tgs_ktypes(krb5_context ctx, const krb5_enctype *enc)
{
return krb5_set_default_in_tkt_etypes(ctx, enc);
}
-#endif
+
+#endif /* HAVE_KRB5_SET_DEFAULT_TGS_ENCTYPES */
+
+#endif /* HAVE_KRB5_SET_DEFAULT_TGS_KTYPES */
#if defined(HAVE_ADDR_TYPE_IN_KRB5_ADDRESS)
/* HEIMDAL */
return ret;
}
- ret = krb5_string_to_key_salt(context, enctype, password->data, salt, key);
+ ret = krb5_string_to_key_salt(context, enctype, (const char *)password->data, salt, key);
krb5_free_salt(context, salt);
return ret;
}
#error UNKNOWN_GET_ENCTYPES_FUNCTIONS
#endif
- void free_kerberos_etypes(krb5_context context,
- krb5_enctype *enctypes)
-{
-#if defined(HAVE_KRB5_FREE_KTYPES)
- krb5_free_ktypes(context, enctypes);
- return;
-#else
- SAFE_FREE(enctypes);
- return;
-#endif
-}
-
#if defined(HAVE_KRB5_AUTH_CON_SETKEY) && !defined(HAVE_KRB5_AUTH_CON_SETUSERUSERKEY)
krb5_error_code krb5_auth_con_setuseruserkey(krb5_context context,
krb5_auth_context auth_context,
}
#endif
+BOOL unwrap_edata_ntstatus(TALLOC_CTX *mem_ctx,
+ DATA_BLOB *edata,
+ DATA_BLOB *edata_out)
+{
+ DATA_BLOB edata_contents;
+ ASN1_DATA data;
+ int edata_type;
+
+ if (!edata->length) {
+ return False;
+ }
+
+ asn1_load(&data, *edata);
+ asn1_start_tag(&data, ASN1_SEQUENCE(0));
+ asn1_start_tag(&data, ASN1_CONTEXT(1));
+ asn1_read_Integer(&data, &edata_type);
+
+ if (edata_type != KRB5_PADATA_PW_SALT) {
+ DEBUG(0,("edata is not of required type %d but of type %d\n",
+ KRB5_PADATA_PW_SALT, edata_type));
+ asn1_free(&data);
+ return False;
+ }
+
+ asn1_start_tag(&data, ASN1_CONTEXT(2));
+ asn1_read_OctetString(&data, &edata_contents);
+ asn1_end_tag(&data);
+ asn1_end_tag(&data);
+ asn1_end_tag(&data);
+ asn1_free(&data);
+
+ *edata_out = data_blob_talloc(mem_ctx, edata_contents.data, edata_contents.length);
+
+ data_blob_free(&edata_contents);
+
+ return True;
+}
+
+
BOOL unwrap_pac(TALLOC_CTX *mem_ctx, DATA_BLOB *auth_data, DATA_BLOB *unwrapped_pac_data)
{
DATA_BLOB pac_contents;
}
#if !defined(HAVE_KRB5_LOCATE_KDC)
- krb5_error_code krb5_locate_kdc(krb5_context ctx, const krb5_data *realm, struct sockaddr **addr_pp, int *naddrs, int get_masters)
+
+/* krb5_locate_kdc is an internal MIT symbol. MIT are not yet willing to commit
+ * to a public interface for this functionality, so we have to be able to live
+ * without it if the MIT libraries are hiding their internal symbols.
+ */
+
+#if defined(KRB5_KRBHST_INIT)
+/* Heimdal */
+ krb5_error_code smb_krb5_locate_kdc(krb5_context ctx, const krb5_data *realm, struct sockaddr **addr_pp, int *naddrs, int get_masters)
{
krb5_krbhst_handle hnd;
krb5_krbhst_info *hinfo;
rc = krb5_krbhst_init(ctx, realm->data, KRB5_KRBHST_KDC, &hnd);
if (rc) {
- DEBUG(0, ("krb5_locate_kdc: krb5_krbhst_init failed (%s)\n", error_message(rc)));
+ DEBUG(0, ("smb_krb5_locate_kdc: krb5_krbhst_init failed (%s)\n", error_message(rc)));
return rc;
}
krb5_krbhst_reset(ctx, hnd);
if (!num_kdcs) {
- DEBUG(0, ("krb5_locate_kdc: zero kdcs found !\n"));
+ DEBUG(0, ("smb_krb5_locate_kdc: zero kdcs found !\n"));
krb5_krbhst_free(ctx, hnd);
return -1;
}
sa = SMB_MALLOC_ARRAY( struct sockaddr, num_kdcs );
if (!sa) {
- DEBUG(0, ("krb5_locate_kdc: malloc failed\n"));
+ DEBUG(0, ("smb_krb5_locate_kdc: malloc failed\n"));
krb5_krbhst_free(ctx, hnd);
naddrs = 0;
return -1;
*addr_pp = sa;
return 0;
}
-#endif
+
+#else /* ! defined(KRB5_KRBHST_INIT) */
+
+ krb5_error_code smb_krb5_locate_kdc(krb5_context ctx, const krb5_data *realm,
+ struct sockaddr **addr_pp, int *naddrs, int get_masters)
+{
+ DEBUG(0, ("unable to explicitly locate the KDC on this platform\n"));
+ return KRB5_KDC_UNREACH;
+}
+
+#endif /* KRB5_KRBHST_INIT */
+
+#else /* ! HAVE_KRB5_LOCATE_KDC */
+
+ krb5_error_code smb_krb5_locate_kdc(krb5_context ctx, const krb5_data *realm,
+ struct sockaddr **addr_pp, int *naddrs, int get_masters)
+{
+ return krb5_locate_kdc(ctx, realm, addr_pp, naddrs, get_masters);
+}
+
+#endif /* HAVE_KRB5_LOCATE_KDC */
#if !defined(HAVE_KRB5_FREE_UNPARSED_NAME)
void krb5_free_unparsed_name(krb5_context context, char *val)
krb5_creds *credsp)
{
krb5_error_code retval;
+ const char *cc_type = krb5_cc_get_type(context, ccache);
- DEBUG(3, ("Ticket in ccache[%s] expiration %s\n",
- krb5_cc_default_name(context),
+ DEBUG(3, ("ads_cleanup_expired_creds: Ticket in ccache[%s:%s] expiration %s\n",
+ cc_type, krb5_cc_get_name(context, ccache),
http_timestring(credsp->times.endtime)));
/* we will probably need new tickets if the current ones
use memory ccaches, and a FILE one probably means that
we're using creds obtained outside of our exectuable
*/
- if (StrCaseCmp(krb5_cc_get_type(context, ccache), "FILE") == 0) {
- DEBUG(5, ("ads_cleanup_expired_creds: We do not remove creds from a FILE ccache\n"));
+ if (strequal(cc_type, "FILE")) {
+ DEBUG(5, ("ads_cleanup_expired_creds: We do not remove creds from a %s ccache\n", cc_type));
return False;
}
-
+
retval = krb5_cc_remove_cred(context, ccache, 0, credsp);
if (retval) {
DEBUG(1, ("ads_cleanup_expired_creds: krb5_cc_remove_cred failed, err %s\n",
const krb5_flags ap_req_options,
const char *principal,
krb5_ccache ccache,
- krb5_data *outbuf)
+ krb5_data *outbuf,
+ time_t *expire_time)
{
krb5_error_code retval;
krb5_principal server;
krb5_creds creds;
krb5_data in_data;
BOOL creds_ready = False;
+ int i = 0, maxtries = 3;
- retval = krb5_parse_name(context, principal, &server);
+ retval = smb_krb5_parse_name(context, principal, &server);
if (retval) {
DEBUG(1,("ads_krb5_mk_req: Failed to parse principal %s\n", principal));
return retval;
/* obtain ticket & session key */
ZERO_STRUCT(creds);
if ((retval = krb5_copy_principal(context, server, &creds.server))) {
- DEBUG(1,("krb5_copy_principal failed (%s)\n",
+ DEBUG(1,("ads_krb5_mk_req: krb5_copy_principal failed (%s)\n",
error_message(retval)));
goto cleanup_princ;
}
goto cleanup_creds;
}
- while(!creds_ready) {
+ while (!creds_ready && (i < maxtries)) {
+
if ((retval = krb5_get_credentials(context, 0, ccache,
&creds, &credsp))) {
DEBUG(1,("ads_krb5_mk_req: krb5_get_credentials failed for %s (%s)\n",
krb5_set_real_time(context, t + time_offset + 1, 0);
}
- if (!ads_cleanup_expired_creds(context, ccache, credsp))
+ if (!ads_cleanup_expired_creds(context, ccache, credsp)) {
creds_ready = True;
+ }
+
+ i++;
}
- DEBUG(10,("ads_krb5_mk_req: Ticket (%s) in ccache (%s) is valid until: (%s - %u)\n",
- principal, krb5_cc_default_name(context),
+ DEBUG(10,("ads_krb5_mk_req: Ticket (%s) in ccache (%s:%s) is valid until: (%s - %u)\n",
+ principal, krb5_cc_get_type(context, ccache), krb5_cc_get_name(context, ccache),
http_timestring((unsigned)credsp->times.endtime),
(unsigned)credsp->times.endtime));
+ if (expire_time) {
+ *expire_time = (time_t)credsp->times.endtime;
+ }
+
in_data.length = 0;
retval = krb5_mk_req_extended(context, auth_context, ap_req_options,
&in_data, credsp, outbuf);
get a kerberos5 ticket for the given service
*/
int cli_krb5_get_ticket(const char *principal, time_t time_offset,
- DATA_BLOB *ticket, DATA_BLOB *session_key_krb5, uint32 extra_ap_opts)
+ DATA_BLOB *ticket, DATA_BLOB *session_key_krb5,
+ uint32 extra_ap_opts, const char *ccname,
+ time_t *tgs_expire)
+
{
krb5_error_code retval;
krb5_data packet;
ENCTYPE_DES_CBC_MD5,
ENCTYPE_DES_CBC_CRC,
ENCTYPE_NULL};
-
+
initialize_krb5_error_table();
retval = krb5_init_context(&context);
if (retval) {
krb5_set_real_time(context, time(NULL) + time_offset, 0);
}
- if ((retval = krb5_cc_default(context, &ccdef))) {
+ if ((retval = krb5_cc_resolve(context, ccname ?
+ ccname : krb5_cc_default_name(context), &ccdef))) {
DEBUG(1,("cli_krb5_get_ticket: krb5_cc_default failed (%s)\n",
error_message(retval)));
goto failed;
&auth_context,
AP_OPTS_USE_SUBKEY | (krb5_flags)extra_ap_opts,
principal,
- ccdef, &packet))) {
+ ccdef, &packet,
+ tgs_expire))) {
goto failed;
}
else
err = krb5_auth_con_getlocalsubkey(context, auth_context, &skey);
if (err == 0 && skey != NULL) {
- DEBUG(10, ("Got KRB5 session key of length %d\n", KRB5_KEY_LENGTH(skey)));
+ DEBUG(10, ("Got KRB5 session key of length %d\n", (int)KRB5_KEY_LENGTH(skey)));
*session_key = data_blob(KRB5_KEY_DATA(skey), KRB5_KEY_LENGTH(skey));
dump_data_pw("KRB5 Session Key:\n", session_key->data, session_key->length);
static krb5_data kdata;
kdata.data = (char *)krb5_principal_get_comp_string(context, principal, i);
- kdata.length = strlen(kdata.data);
+ kdata.length = strlen((const char *)kdata.data);
return &kdata;
}
#endif
#endif
}
+#ifdef HAVE_KRB5_DECODE_AP_REQ /* Heimdal */
static int get_kvno_from_ap_req(krb5_ap_req *ap_req)
{
#ifdef HAVE_TICKET_POINTER_IN_KRB5_AP_REQ /* MIT */
return ap_req->ticket->enc_part.enctype;
#endif
}
+#endif /* HAVE_KRB5_DECODE_AP_REQ */
static krb5_error_code
get_key_from_keytab(krb5_context context,
- krb5_keytab keytab,
krb5_const_principal server,
krb5_enctype enctype,
krb5_kvno kvno,
{
krb5_keytab_entry entry;
krb5_error_code ret;
- krb5_keytab real_keytab;
+ krb5_keytab keytab;
char *name = NULL;
- if (keytab == NULL) {
- krb5_kt_default(context, &real_keytab);
- } else {
- real_keytab = keytab;
+ /* We have to open a new keytab handle here, as MIT does
+ an implicit open/getnext/close on krb5_kt_get_entry. We
+ may be in the middle of a keytab enumeration when this is
+ called. JRA. */
+
+ ret = krb5_kt_default(context, &keytab);
+ if (ret) {
+ DEBUG(0,("get_key_from_keytab: failed to open keytab: %s\n", error_message(ret)));
+ return ret;
}
if ( DEBUGLEVEL >= 10 ) {
- krb5_unparse_name(context, server, &name);
- DEBUG(10,("get_key_from_keytab: will look for kvno %d, enctype %d and name: %s\n",
- kvno, enctype, name));
- krb5_free_unparsed_name(context, name);
+ if (smb_krb5_unparse_name(context, server, &name) == 0) {
+ DEBUG(10,("get_key_from_keytab: will look for kvno %d, enctype %d and name: %s\n",
+ kvno, enctype, name));
+ SAFE_FREE(name);
+ }
}
ret = krb5_kt_get_entry(context,
- real_keytab,
+ keytab,
server,
kvno,
enctype,
smb_krb5_kt_free_entry(context, &entry);
out:
- if (keytab == NULL) {
- krb5_kt_close(context, real_keytab);
- }
-
+ krb5_kt_close(context, keytab);
return ret;
}
- void smb_krb5_free_ap_req(krb5_context context,
- krb5_ap_req *ap_req)
-{
-#ifdef HAVE_KRB5_FREE_AP_REQ /* MIT */
- krb5_free_ap_req(context, ap_req);
-#elif defined(HAVE_FREE_AP_REQ) /* Heimdal */
- free_AP_REQ(ap_req);
-#else
-#error UNKNOWN_KRB5_AP_REQ_FREE_FUNCTION
-#endif
-}
-
/* Prototypes */
-#if defined(HAVE_DECODE_KRB5_AP_REQ) /* MIT */
-krb5_error_code decode_krb5_ap_req(const krb5_data *code, krb5_ap_req **rep);
-#endif
krb5_error_code smb_krb5_get_keyinfo_from_ap_req(krb5_context context,
const krb5_data *inbuf,
krb5_kvno *kvno,
krb5_enctype *enctype)
{
- krb5_error_code ret;
#ifdef HAVE_KRB5_DECODE_AP_REQ /* Heimdal */
{
+ krb5_error_code ret;
krb5_ap_req ap_req;
ret = krb5_decode_ap_req(context, inbuf, &ap_req);
*kvno = get_kvno_from_ap_req(&ap_req);
*enctype = get_enctype_from_ap_req(&ap_req);
- smb_krb5_free_ap_req(context, &ap_req);
- }
-#elif defined(HAVE_DECODE_KRB5_AP_REQ) /* MIT */
- {
- krb5_ap_req *ap_req = NULL;
-
- ret = decode_krb5_ap_req(inbuf, &ap_req);
- if (ret)
- return ret;
-
- *kvno = get_kvno_from_ap_req(ap_req);
- *enctype = get_enctype_from_ap_req(ap_req);
-
- smb_krb5_free_ap_req(context, ap_req);
+ free_AP_REQ(&ap_req);
+ return 0;
}
-#else
-#error UNKOWN_KRB5_AP_REQ_DECODING_FUNCTION
#endif
- return ret;
+
+ /* Possibly not an appropriate error code. */
+ return KRB5KDC_ERR_BADOPTION;
}
krb5_error_code krb5_rd_req_return_keyblock_from_keytab(krb5_context context,
krb5_keyblock **keyblock)
{
krb5_error_code ret;
- krb5_ap_req *ap_req = NULL;
krb5_kvno kvno;
krb5_enctype enctype;
krb5_keyblock *local_keyblock;
return ret;
}
+#ifdef KRB5_TICKET_HAS_KEYINFO
+ enctype = (*ticket)->enc_part.enctype;
+ kvno = (*ticket)->enc_part.kvno;
+#else
ret = smb_krb5_get_keyinfo_from_ap_req(context, inbuf, &kvno, &enctype);
if (ret) {
return ret;
}
+#endif
ret = get_key_from_keytab(context,
- keytab,
server,
enctype,
kvno,
}
out:
- if (ap_req) {
- smb_krb5_free_ap_req(context, ap_req);
- }
-
if (ret && local_keyblock != NULL) {
krb5_free_keyblock(context, local_keyblock);
} else {
krb5_principal *principal)
{
#ifdef HAVE_KRB5_PARSE_NAME_NOREALM
- return krb5_parse_name_norealm(context, name, principal);
+ return smb_krb5_parse_name_norealm_conv(context, name, principal);
#endif
/* we are cheating here because parse_name will in fact set the realm.
* ignores the realm anyway when calling
* smb_krb5_principal_compare_any_realm later - Guenther */
- return krb5_parse_name(context, name, principal);
+ return smb_krb5_parse_name(context, name, principal);
}
BOOL smb_krb5_principal_compare_any_realm(krb5_context context,
#else
#error NO_SUITABLE_PRINCIPAL_COMPARE_FUNCTION
#endif
+}
+
+ krb5_error_code smb_krb5_renew_ticket(const char *ccache_string, /* FILE:/tmp/krb5cc_0 */
+ const char *client_string, /* gd@BER.SUSE.DE */
+ const char *service_string, /* krbtgt/BER.SUSE.DE@BER.SUSE.DE */
+ time_t *expire_time)
+{
+ krb5_error_code ret;
+ krb5_context context = NULL;
+ krb5_ccache ccache = NULL;
+ krb5_principal client = NULL;
+
+ initialize_krb5_error_table();
+ ret = krb5_init_context(&context);
+ if (ret) {
+ goto done;
+ }
+
+ if (!ccache_string) {
+ ccache_string = krb5_cc_default_name(context);
+ }
+
+ DEBUG(10,("smb_krb5_renew_ticket: using %s as ccache\n", ccache_string));
+
+ /* FIXME: we should not fall back to defaults */
+ ret = krb5_cc_resolve(context, CONST_DISCARD(char *, ccache_string), &ccache);
+ if (ret) {
+ goto done;
+ }
+
+#ifdef HAVE_KRB5_GET_RENEWED_CREDS /* MIT */
+ {
+ krb5_creds creds;
+
+ if (client_string) {
+ ret = smb_krb5_parse_name(context, client_string, &client);
+ if (ret) {
+ goto done;
+ }
+ } else {
+ ret = krb5_cc_get_principal(context, ccache, &client);
+ if (ret) {
+ goto done;
+ }
+ }
+
+ ret = krb5_get_renewed_creds(context, &creds, client, ccache, CONST_DISCARD(char *, service_string));
+ if (ret) {
+ DEBUG(10,("smb_krb5_renew_ticket: krb5_get_kdc_cred failed: %s\n", error_message(ret)));
+ goto done;
+ }
+
+ /* hm, doesn't that create a new one if the old one wasn't there? - Guenther */
+ ret = krb5_cc_initialize(context, ccache, client);
+ if (ret) {
+ goto done;
+ }
+
+ ret = krb5_cc_store_cred(context, ccache, &creds);
+
+ if (expire_time) {
+ *expire_time = (time_t) creds.times.endtime;
+ }
+
+ krb5_free_cred_contents(context, &creds);
+ }
+#elif defined(HAVE_KRB5_GET_KDC_CRED) /* Heimdal */
+ {
+ krb5_kdc_flags flags;
+ krb5_creds creds_in;
+ krb5_realm *client_realm;
+ krb5_creds *creds;
+
+ memset(&creds_in, 0, sizeof(creds_in));
+
+ if (client_string) {
+ ret = smb_krb5_parse_name(context, client_string, &creds_in.client);
+ if (ret) {
+ goto done;
+ }
+ } else {
+ ret = krb5_cc_get_principal(context, ccache, &creds_in.client);
+ if (ret) {
+ goto done;
+ }
+ }
+
+ if (service_string) {
+ ret = smb_krb5_parse_name(context, service_string, &creds_in.server);
+ if (ret) {
+ goto done;
+ }
+ } else {
+ /* build tgt service by default */
+ client_realm = krb5_princ_realm(context, creds_in.client);
+ if (!client_realm) {
+ ret = ENOMEM;
+ goto done;
+ }
+ ret = krb5_make_principal(context, &creds_in.server, *client_realm, KRB5_TGS_NAME, *client_realm, NULL);
+ if (ret) {
+ goto done;
+ }
+ }
+
+ flags.i = 0;
+ flags.b.renewable = flags.b.renew = True;
+
+ ret = krb5_get_kdc_cred(context, ccache, flags, NULL, NULL, &creds_in, &creds);
+ if (ret) {
+ DEBUG(10,("smb_krb5_renew_ticket: krb5_get_kdc_cred failed: %s\n", error_message(ret)));
+ goto done;
+ }
+
+ /* hm, doesn't that create a new one if the old one wasn't there? - Guenther */
+ ret = krb5_cc_initialize(context, ccache, creds_in.client);
+ if (ret) {
+ goto done;
+ }
+
+ ret = krb5_cc_store_cred(context, ccache, creds);
+
+ if (expire_time) {
+ *expire_time = (time_t) creds->times.endtime;
+ }
+
+ krb5_free_cred_contents(context, &creds_in);
+ krb5_free_creds(context, creds);
+ }
+#else
+#error NO_SUITABKE_KRB5_TICKET_RENEW_FUNCTION_AVAILABLE
+#endif
+
+
+done:
+ if (client) {
+ krb5_free_principal(context, client);
+ }
+ if (context) {
+ krb5_free_context(context);
+ }
+ if (ccache) {
+ krb5_cc_close(context, ccache);
+ }
+
+ return ret;
+
+}
+
+ krb5_error_code smb_krb5_free_addresses(krb5_context context, smb_krb5_addresses *addr)
+{
+ krb5_error_code ret = 0;
+ if (addr == NULL) {
+ return ret;
+ }
+#if defined(HAVE_MAGIC_IN_KRB5_ADDRESS) && defined(HAVE_ADDRTYPE_IN_KRB5_ADDRESS) /* MIT */
+ krb5_free_addresses(context, addr->addrs);
+#elif defined(HAVE_ADDR_TYPE_IN_KRB5_ADDRESS) /* Heimdal */
+ ret = krb5_free_addresses(context, addr->addrs);
+ SAFE_FREE(addr->addrs);
+#endif
+ SAFE_FREE(addr);
+ addr = NULL;
+ return ret;
+}
+
+ krb5_error_code smb_krb5_gen_netbios_krb5_address(smb_krb5_addresses **kerb_addr)
+{
+ krb5_error_code ret = 0;
+ nstring buf;
+#if defined(HAVE_MAGIC_IN_KRB5_ADDRESS) && defined(HAVE_ADDRTYPE_IN_KRB5_ADDRESS) /* MIT */
+ krb5_address **addrs = NULL;
+#elif defined(HAVE_ADDR_TYPE_IN_KRB5_ADDRESS) /* Heimdal */
+ krb5_addresses *addrs = NULL;
+#endif
+
+ *kerb_addr = (smb_krb5_addresses *)SMB_MALLOC(sizeof(smb_krb5_addresses));
+ if (*kerb_addr == NULL) {
+ return ENOMEM;
+ }
+
+ put_name(buf, global_myname(), ' ', 0x20);
+
+#if defined(HAVE_MAGIC_IN_KRB5_ADDRESS) && defined(HAVE_ADDRTYPE_IN_KRB5_ADDRESS) /* MIT */
+ {
+ int num_addr = 2;
+
+ addrs = (krb5_address **)SMB_MALLOC(sizeof(krb5_address *) * num_addr);
+ if (addrs == NULL) {
+ SAFE_FREE(kerb_addr);
+ return ENOMEM;
+ }
+
+ memset(addrs, 0, sizeof(krb5_address *) * num_addr);
+
+ addrs[0] = (krb5_address *)SMB_MALLOC(sizeof(krb5_address));
+ if (addrs[0] == NULL) {
+ SAFE_FREE(addrs);
+ SAFE_FREE(kerb_addr);
+ return ENOMEM;
+ }
+
+ addrs[0]->magic = KV5M_ADDRESS;
+ addrs[0]->addrtype = KRB5_ADDR_NETBIOS;
+ addrs[0]->length = MAX_NETBIOSNAME_LEN;
+ addrs[0]->contents = (unsigned char *)SMB_MALLOC(addrs[0]->length);
+ if (addrs[0]->contents == NULL) {
+ SAFE_FREE(addrs[0]);
+ SAFE_FREE(addrs);
+ SAFE_FREE(kerb_addr);
+ return ENOMEM;
+ }
+
+ memcpy(addrs[0]->contents, buf, addrs[0]->length);
+
+ addrs[1] = NULL;
+ }
+#elif defined(HAVE_ADDR_TYPE_IN_KRB5_ADDRESS) /* Heimdal */
+ {
+ addrs = (krb5_addresses *)SMB_MALLOC(sizeof(krb5_addresses));
+ if (addrs == NULL) {
+ SAFE_FREE(kerb_addr);
+ return ENOMEM;
+ }
+
+ memset(addrs, 0, sizeof(krb5_addresses));
+
+ addrs->len = 1;
+ addrs->val = (krb5_address *)SMB_MALLOC(sizeof(krb5_address));
+ if (addrs->val == NULL) {
+ SAFE_FREE(addrs);
+ SAFE_FREE(kerb_addr);
+ return ENOMEM;
+ }
+
+ addrs->val[0].addr_type = KRB5_ADDR_NETBIOS;
+ addrs->val[0].address.length = MAX_NETBIOSNAME_LEN;
+ addrs->val[0].address.data = (unsigned char *)SMB_MALLOC(addrs->val[0].address.length);
+ if (addrs->val[0].address.data == NULL) {
+ SAFE_FREE(addrs->val);
+ SAFE_FREE(addrs);
+ SAFE_FREE(kerb_addr);
+ return ENOMEM;
+ }
+
+ memcpy(addrs->val[0].address.data, buf, addrs->val[0].address.length);
+ }
+#else
+#error UNKNOWN_KRB5_ADDRESS_FORMAT
+#endif
+ (*kerb_addr)->addrs = addrs;
+
+ return ret;
+}
+
+ void smb_krb5_free_error(krb5_context context, krb5_error *krberror)
+{
+#ifdef HAVE_KRB5_FREE_ERROR_CONTENTS /* Heimdal */
+ krb5_free_error_contents(context, krberror);
+#else /* MIT */
+ krb5_free_error(context, krberror);
+#endif
+}
+
+ krb5_error_code handle_krberror_packet(krb5_context context,
+ krb5_data *packet)
+{
+ krb5_error_code ret;
+ BOOL got_error_code = False;
+
+ DEBUG(10,("handle_krberror_packet: got error packet\n"));
+
+#ifdef HAVE_E_DATA_POINTER_IN_KRB5_ERROR /* Heimdal */
+ {
+ krb5_error krberror;
+
+ if ((ret = krb5_rd_error(context, packet, &krberror))) {
+ DEBUG(10,("handle_krberror_packet: krb5_rd_error failed with: %s\n",
+ error_message(ret)));
+ return ret;
+ }
+
+ if (krberror.e_data == NULL || krberror.e_data->data == NULL) {
+ ret = (krb5_error_code) krberror.error_code;
+ got_error_code = True;
+ }
+
+ smb_krb5_free_error(context, &krberror);
+ }
+#else /* MIT */
+ {
+ krb5_error *krberror;
+
+ if ((ret = krb5_rd_error(context, packet, &krberror))) {
+ DEBUG(10,("handle_krberror_packet: krb5_rd_error failed with: %s\n",
+ error_message(ret)));
+ return ret;
+ }
+
+ if (krberror->e_data.data == NULL) {
+ ret = ERROR_TABLE_BASE_krb5 + (krb5_error_code) krberror->error;
+ got_error_code = True;
+ }
+ smb_krb5_free_error(context, krberror);
+ }
+#endif
+ if (got_error_code) {
+ DEBUG(5,("handle_krberror_packet: got KERBERR from kpasswd: %s (%d)\n",
+ error_message(ret), ret));
+ }
+ return ret;
+}
+
+ krb5_error_code smb_krb5_get_init_creds_opt_alloc(krb5_context context,
+ krb5_get_init_creds_opt **opt)
+{
+#ifdef HAVE_KRB5_GET_INIT_CREDS_OPT_ALLOC
+ /* Heimdal or modern MIT version */
+ return krb5_get_init_creds_opt_alloc(context, opt);
+#else
+ /* Historical MIT version */
+ krb5_get_init_creds_opt *my_opt;
+
+ *opt = NULL;
+
+ if ((my_opt = SMB_MALLOC_P(krb5_get_init_creds_opt)) == NULL) {
+ return ENOMEM;
+ }
+
+ krb5_get_init_creds_opt_init(my_opt);
+
+ *opt = my_opt;
+ return 0;
+#endif /* HAVE_KRB5_GET_INIT_CREDS_OPT_ALLOC */
+}
+
+ void smb_krb5_get_init_creds_opt_free(krb5_context context,
+ krb5_get_init_creds_opt *opt)
+{
+#ifdef HAVE_KRB5_GET_INIT_CREDS_OPT_FREE
+
+#ifdef KRB5_CREDS_OPT_FREE_REQUIRES_CONTEXT
+ /* Modern MIT or Heimdal version */
+ krb5_get_init_creds_opt_free(context, opt);
+#else
+ /* Heimdal version */
+ krb5_get_init_creds_opt_free(opt);
+#endif /* KRB5_CREDS_OPT_FREE_REQUIRES_CONTEXT */
+
+#else /* HAVE_KRB5_GET_INIT_CREDS_OPT_FREE */
+ /* Historical MIT version */
+ SAFE_FREE(opt);
+ opt = NULL;
+#endif /* HAVE_KRB5_GET_INIT_CREDS_OPT_FREE */
+}
+
+ krb5_enctype smb_get_enctype_from_kt_entry(const krb5_keytab_entry *kt_entry)
+{
+#ifdef HAVE_KRB5_KEYTAB_ENTRY_KEY /* MIT */
+ return kt_entry->key.enctype;
+#elif defined(HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK) /* Heimdal */
+ return kt_entry->keyblock.keytype;
+#else
+#error UNKNOWN_KRB5_KEYTAB_ENTRY_KEYBLOCK_FORMAT
+#endif
+}
+
+
+/* caller needs to free etype_s */
+ krb5_error_code smb_krb5_enctype_to_string(krb5_context context,
+ krb5_enctype enctype,
+ char **etype_s)
+{
+#ifdef HAVE_KRB5_ENCTYPE_TO_STRING_WITH_KRB5_CONTEXT_ARG
+ return krb5_enctype_to_string(context, enctype, etype_s); /* Heimdal */
+#elif defined(HAVE_KRB5_ENCTYPE_TO_STRING_WITH_SIZE_T_ARG)
+ char buf[256];
+ krb5_error_code ret = krb5_enctype_to_string(enctype, buf, 256); /* MIT */
+ if (ret) {
+ return ret;
+ }
+ *etype_s = SMB_STRDUP(buf);
+ if (!*etype_s) {
+ return ENOMEM;
+ }
+ return ret;
+#else
+#error UNKNOWN_KRB5_ENCTYPE_TO_STRING_FUNCTION
+#endif
+}
+
+ krb5_error_code smb_krb5_mk_error(krb5_context context,
+ krb5_error_code error_code,
+ const krb5_principal server,
+ krb5_data *reply)
+{
+#ifdef HAVE_SHORT_KRB5_MK_ERROR_INTERFACE /* MIT */
+ /*
+ * The MIT interface is *terrible*.
+ * We have to construct this ourselves...
+ */
+ krb5_error e;
+
+ memset(&e, 0, sizeof(e));
+ krb5_us_timeofday(context, &e.stime, &e.susec);
+ e.server = server;
+#if defined(krb5_err_base)
+ e.error = error_code - krb5_err_base;
+#elif defined(ERROR_TABLE_BASE_krb5)
+ e.error = error_code - ERROR_TABLE_BASE_krb5;
+#else
+ e.error = error_code; /* Almost certainly wrong, but what can we do... ? */
+#endif
+
+ return krb5_mk_error(context, &e, reply);
+#else /* Heimdal. */
+ return krb5_mk_error(context,
+ error_code,
+ NULL,
+ NULL, /* e_data */
+ NULL,
+ server,
+ NULL,
+ NULL,
+ reply);
+#endif
}
#else /* HAVE_KRB5 */
/* this saves a few linking headaches */
int cli_krb5_get_ticket(const char *principal, time_t time_offset,
- DATA_BLOB *ticket, DATA_BLOB *session_key_krb5, uint32 extra_ap_opts)
+ DATA_BLOB *ticket, DATA_BLOB *session_key_krb5, uint32 extra_ap_opts,
+ const char *ccname, time_t *tgs_expire)
{
DEBUG(0,("NO KERBEROS SUPPORT\n"));
return 1;
git.samba.org / sfrench / samba-autobuild / .git / blobdiff