return NT_STATUS_OK;
}
-/******************************************************************************
- Generic code for client and server.
- gss-api decrypt an incoming buffer. We insist that the size of the
- unwrapped buffer must be smaller or identical to the incoming buffer.
-******************************************************************************/
-
-#if defined(HAVE_GSSAPI) && defined(HAVE_KRB5)
-static NTSTATUS common_gss_decrypt_buffer(struct smb_tran_enc_state_gss *gss_state, char *buf)
-{
- gss_ctx_id_t gss_ctx = gss_state->gss_ctx;
- OM_uint32 ret = 0;
- OM_uint32 minor = 0;
- int flags_got = 0;
- gss_buffer_desc in_buf, out_buf;
- size_t buf_len = smb_len_nbt(buf) + 4; /* Don't forget the 4 length bytes. */
-
- if (buf_len < 8) {
- return NT_STATUS_BUFFER_TOO_SMALL;
- }
-
- in_buf.value = buf + 8;
- in_buf.length = buf_len - 8;
-
- ret = gss_unwrap(&minor,
- gss_ctx,
- &in_buf,
- &out_buf,
- &flags_got, /* did we get sign+seal ? */
- (gss_qop_t *) NULL);
-
- if (ret != GSS_S_COMPLETE) {
- NTSTATUS status = NT_STATUS_ACCESS_DENIED;
- char *gss_err;
-
- gss_err = gssapi_error_string(talloc_tos(),
- ret, minor,
- GSS_C_NULL_OID);
- DEBUG(0,("common_gss_decrypt_buffer: gss_unwrap failed. "
- "Error [%d/%d] - %s - %s\n",
- ret, minor, nt_errstr(status),
- gss_err ? gss_err : "<unknown>"));
- talloc_free(gss_err);
-
- return status;
- }
-
- if (out_buf.length > in_buf.length) {
- DEBUG(0,("common_gss_decrypt_buffer: gss_unwrap size (%u) too large (%u) !\n",
- (unsigned int)out_buf.length,
- (unsigned int)in_buf.length ));
- gss_release_buffer(&minor, &out_buf);
- return NT_STATUS_INVALID_PARAMETER;
- }
-
- memcpy(buf + 8, out_buf.value, out_buf.length);
- /* Reset the length and overwrite the header. */
- smb_setlen_nbt(buf, out_buf.length + 4);
-
- gss_release_buffer(&minor, &out_buf);
- return NT_STATUS_OK;
-}
-
-/******************************************************************************
- Generic code for client and server.
- gss-api encrypt an outgoing buffer. Return the alloced encrypted pointer in buf_out.
-******************************************************************************/
-
-static NTSTATUS common_gss_encrypt_buffer(struct smb_tran_enc_state_gss *gss_state,
- uint16_t enc_ctx_num,
- char *buf,
- char **ppbuf_out)
-{
- gss_ctx_id_t gss_ctx = gss_state->gss_ctx;
- OM_uint32 ret = 0;
- OM_uint32 minor = 0;
- int flags_got = 0;
- gss_buffer_desc in_buf, out_buf;
- size_t buf_len = smb_len_nbt(buf) + 4; /* Don't forget the 4 length bytes. */
-
- *ppbuf_out = NULL;
-
- if (buf_len < 8) {
- return NT_STATUS_BUFFER_TOO_SMALL;
- }
-
- in_buf.value = buf + 8;
- in_buf.length = buf_len - 8;
-
- ret = gss_wrap(&minor,
- gss_ctx,
- true, /* we want sign+seal. */
- GSS_C_QOP_DEFAULT,
- &in_buf,
- &flags_got, /* did we get sign+seal ? */
- &out_buf);
-
- if (ret != GSS_S_COMPLETE) {
- NTSTATUS status = NT_STATUS_ACCESS_DENIED;
- char *gss_err;
-
- gss_err = gssapi_error_string(talloc_tos(),
- ret, minor,
- GSS_C_NULL_OID);
- DEBUG(0,("common_gss_encrypt_buffer: gss_unwrap failed. "
- "Error [%d/%d] - %s - %s\n",
- ret, minor, nt_errstr(status),
- gss_err ? gss_err : "<unknown>"));
- talloc_free(gss_err);
-
- return status;
- }
-
- if (!flags_got) {
- /* Sign+seal not supported. */
- gss_release_buffer(&minor, &out_buf);
- return NT_STATUS_NOT_SUPPORTED;
- }
-
- /* Ya see - this is why I *hate* gss-api. I don't
- * want to have to malloc another buffer of the
- * same size + 8 bytes just to get a continuous
- * header + buffer, but gss won't let me pass in
- * a pre-allocated buffer. Bastards (and you know
- * who you are....). I might fix this by
- * going to "encrypt_and_send" passing in a file
- * descriptor and doing scatter-gather write with
- * TCP cork on Linux. But I shouldn't have to
- * bother :-*(. JRA.
- */
-
- *ppbuf_out = (char *)malloc(out_buf.length + 8); /* We know this can't wrap. */
- if (!*ppbuf_out) {
- gss_release_buffer(&minor, &out_buf);
- return NT_STATUS_NO_MEMORY;
- }
-
- memcpy(*ppbuf_out+8, out_buf.value, out_buf.length);
- smb_set_enclen(*ppbuf_out, out_buf.length + 4, enc_ctx_num);
-
- gss_release_buffer(&minor, &out_buf);
- return NT_STATUS_OK;
-}
-#endif
-
/******************************************************************************
Generic code for client and server.
Encrypt an outgoing buffer. Return the alloced encrypted pointer in buf_out.
return NT_STATUS_OK;
}
- switch (es->smb_enc_type) {
- case SMB_TRANS_ENC_NTLM:
- return common_gensec_encrypt_buffer(es->s.gensec_security, es->enc_ctx_num, buffer, buf_out);
-#if defined(HAVE_GSSAPI) && defined(HAVE_KRB5)
- case SMB_TRANS_ENC_GSS:
- return common_gss_encrypt_buffer(es->s.gss_state, es->enc_ctx_num, buffer, buf_out);
-#endif
- default:
- return NT_STATUS_NOT_SUPPORTED;
- }
+ return common_gensec_encrypt_buffer(es->s.gensec_security, es->enc_ctx_num, buffer, buf_out);
}
/******************************************************************************
return NT_STATUS_OK;
}
- switch (es->smb_enc_type) {
- case SMB_TRANS_ENC_NTLM:
- return common_gensec_decrypt_buffer(es->s.gensec_security, buf);
-#if defined(HAVE_GSSAPI) && defined(HAVE_KRB5)
- case SMB_TRANS_ENC_GSS:
- return common_gss_decrypt_buffer(es->s.gss_state, buf);
-#endif
- default:
- return NT_STATUS_NOT_SUPPORTED;
- }
+ return common_gensec_decrypt_buffer(es->s.gensec_security, buf);
}
-#if defined(HAVE_GSSAPI) && defined(HAVE_KRB5)
-/******************************************************************************
- Shutdown a gss encryption state.
-******************************************************************************/
-
-static void common_free_gss_state(struct smb_tran_enc_state_gss **pp_gss_state)
-{
- OM_uint32 minor = 0;
- struct smb_tran_enc_state_gss *gss_state = *pp_gss_state;
-
- if (gss_state->creds != GSS_C_NO_CREDENTIAL) {
- gss_release_cred(&minor, &gss_state->creds);
- }
- if (gss_state->gss_ctx != GSS_C_NO_CONTEXT) {
- gss_delete_sec_context(&minor, &gss_state->gss_ctx, NULL);
- }
- SAFE_FREE(*pp_gss_state);
-}
-#endif
-
/******************************************************************************
Shutdown an encryption state.
******************************************************************************/
return;
}
- if (es->smb_enc_type == SMB_TRANS_ENC_NTLM) {
- if (es->s.gensec_security) {
- TALLOC_FREE(es->s.gensec_security);
- }
- }
-#if defined(HAVE_GSSAPI) && defined(HAVE_KRB5)
- if (es->smb_enc_type == SMB_TRANS_ENC_GSS) {
- /* Free the gss context handle. */
- if (es->s.gss_state) {
- common_free_gss_state(&es->s.gss_state);
- }
+ if (es->s.gensec_security) {
+ TALLOC_FREE(es->s.gensec_security);
}
-#endif
SAFE_FREE(es);
*pp_es = NULL;
}
bool enc_on;
union {
struct gensec_security *gensec_security;
-#if defined(HAVE_GSSAPI) && defined(HAVE_KRB5)
- struct smb_tran_enc_state_gss *gss_state;
-#endif
} s;
};
^samba3.blackbox.rpcclient over ncacn_np with \[spnego,smb2,bigendian\]
^samba3.blackbox.rpcclient over ncacn_np with \[spnego,connect,smb2\]
^samba3.blackbox.rpcclient over ncacn_np with \[spnego,connect,smb2,bigendian\]
-# GSSAPI/krb5 encrypted CIFS fails in the test environment at the moment
-^samba3.blackbox.smbclient_krb5 -e.smbclient
-^samba3.blackbox.smbclient_krb5 old ccache -e.smbclient
# these show that we still have some differences between our system
# with our internal iconv because it passes except when we bypass our
# internal iconv modules
#include "auth_generic.h"
#include "auth/gensec/gensec.h"
#include "../libcli/smb/smbXcli_base.h"
+#include "auth/credentials/credentials.h"
/****************************************************************************
Get UNIX extensions version info.
ZERO_STRUCTP(es);
es->smb_enc_type = smb_enc_type;
-#if defined(HAVE_GSSAPI) && defined(HAVE_KRB5)
- if (smb_enc_type == SMB_TRANS_ENC_GSS) {
- es->s.gss_state = SMB_MALLOC_P(struct smb_tran_enc_state_gss);
- if (!es->s.gss_state) {
- SAFE_FREE(es);
- return NULL;
- }
- ZERO_STRUCTP(es->s.gss_state);
- }
-#endif
return es;
}
return status;
}
-#if defined(HAVE_GSSAPI) && defined(HAVE_KRB5)
-
-#ifndef SMB_GSS_REQUIRED_FLAGS
-#define SMB_GSS_REQUIRED_FLAGS (GSS_C_CONF_FLAG|GSS_C_INTEG_FLAG|GSS_C_MUTUAL_FLAG|GSS_C_REPLAY_FLAG|GSS_C_SEQUENCE_FLAG)
-#endif
-
/******************************************************************************
Get client gss blob to send to a server.
******************************************************************************/
static NTSTATUS make_cli_gss_blob(TALLOC_CTX *ctx,
- struct smb_trans_enc_state *es,
- const char *service,
- const char *host,
+ struct gensec_security *gensec_security,
NTSTATUS status_in,
DATA_BLOB spnego_blob_in,
DATA_BLOB *p_blob_out)
{
const char *krb_mechs[] = {OID_KERBEROS5, NULL};
- OM_uint32 ret;
- OM_uint32 min;
- gss_name_t srv_name;
- gss_buffer_desc input_name;
- gss_buffer_desc *p_tok_in;
- gss_buffer_desc tok_out, tok_in;
DATA_BLOB blob_out = data_blob_null;
DATA_BLOB blob_in = data_blob_null;
- OM_uint32 ret_flags = 0;
NTSTATUS status = NT_STATUS_OK;
- memset(&tok_out, '\0', sizeof(tok_out));
-
- /* Guess the realm based on the supplied service, and avoid the GSS libs
- doing DNS lookups which may fail.
-
- TODO: Loop with the KDC on some more combinations (local
- realm in particular), possibly falling back to
- GSS_C_NT_HOSTBASED_SERVICE
- */
- input_name.value = kerberos_get_principal_from_service_hostname(talloc_tos(),
- service, host);
- if (!input_name.value) {
- return NT_STATUS_NO_MEMORY;
- }
- input_name.length = strlen((char *)input_name.value);
- ret = gss_import_name(&min, &input_name,
- GSS_C_NT_USER_NAME,
- &srv_name);
- if (ret != GSS_S_COMPLETE) {
- TALLOC_FREE(input_name.value);
- return map_nt_error_from_gss(ret, min);
- }
-
if (spnego_blob_in.length == 0) {
- p_tok_in = GSS_C_NO_BUFFER;
+ blob_in = spnego_blob_in;
} else {
/* Remove the SPNEGO wrapper */
if (!spnego_parse_auth_response(ctx, spnego_blob_in, status_in, OID_KERBEROS5, &blob_in)) {
status = NT_STATUS_UNSUCCESSFUL;
goto fail;
}
- tok_in.value = blob_in.data;
- tok_in.length = blob_in.length;
- p_tok_in = &tok_in;
- }
-
- ret = gss_init_sec_context(&min,
- GSS_C_NO_CREDENTIAL, /* Use our default cred. */
- &es->s.gss_state->gss_ctx,
- srv_name,
- GSS_C_NO_OID, /* default OID. */
- GSS_C_MUTUAL_FLAG | GSS_C_REPLAY_FLAG | GSS_C_SEQUENCE_FLAG | GSS_C_DELEG_FLAG,
- GSS_C_INDEFINITE, /* requested ticket lifetime. */
- NULL, /* no channel bindings */
- p_tok_in,
- NULL, /* ignore mech type */
- &tok_out,
- &ret_flags,
- NULL); /* ignore time_rec */
-
- status = map_nt_error_from_gss(ret, min);
- if (!NT_STATUS_IS_OK(status) && !NT_STATUS_EQUAL(status,NT_STATUS_MORE_PROCESSING_REQUIRED)) {
- ADS_STATUS adss = ADS_ERROR_GSS(ret, min);
- DEBUG(10,("make_cli_gss_blob: gss_init_sec_context failed with %s\n",
- ads_errstr(adss)));
- goto fail;
- }
-
- if ((ret_flags & SMB_GSS_REQUIRED_FLAGS) != SMB_GSS_REQUIRED_FLAGS) {
- status = NT_STATUS_ACCESS_DENIED;
}
- blob_out = data_blob_talloc(ctx, tok_out.value, tok_out.length);
+ status = gensec_update(gensec_security, ctx,
+ NULL, blob_in, &blob_out);
/* Wrap in an SPNEGO wrapper */
*p_blob_out = spnego_gen_negTokenInit(ctx, krb_mechs, &blob_out, NULL);
data_blob_free(&blob_out);
data_blob_free(&blob_in);
- TALLOC_FREE(input_name.value);
- gss_release_name(&min, &srv_name);
- if (tok_out.value) {
- gss_release_buffer(&min, &tok_out);
- }
return status;
}
DATA_BLOB blob_send = data_blob_null;
DATA_BLOB param_out = data_blob_null;
NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
- fstring fqdn;
- const char *servicename;
+ struct auth_generic_state *auth_generic_state;
struct smb_trans_enc_state *es = make_cli_enc_state(SMB_TRANS_ENC_GSS);
if (!es) {
return NT_STATUS_NO_MEMORY;
}
- servicename = "cifs";
- status = make_cli_gss_blob(talloc_tos(), es, servicename, cli_state_remote_name(cli), NT_STATUS_OK, blob_recv, &blob_send);
+ status = auth_generic_client_prepare(NULL,
+ &auth_generic_state);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto fail;
+ }
+
+ gensec_want_feature(auth_generic_state->gensec_security, GENSEC_FEATURE_SESSION_KEY);
+ gensec_want_feature(auth_generic_state->gensec_security, GENSEC_FEATURE_SEAL);
+
+ cli_credentials_set_kerberos_state(auth_generic_state->credentials,
+ CRED_MUST_USE_KERBEROS);
+
+ status = gensec_set_target_service(auth_generic_state->gensec_security, "cifs");
+ if (!NT_STATUS_IS_OK(status)) {
+ goto fail;
+ }
+
+ status = gensec_set_target_hostname(auth_generic_state->gensec_security,
+ cli_state_remote_name(cli));
+ if (!NT_STATUS_IS_OK(status)) {
+ goto fail;
+ }
+
+ if (!NT_STATUS_IS_OK(status = auth_generic_client_start(auth_generic_state, GENSEC_OID_KERBEROS5))) {
+ goto fail;
+ }
+
+ status = make_cli_gss_blob(talloc_tos(), auth_generic_state->gensec_security, NT_STATUS_OK, blob_recv, &blob_send);
do {
data_blob_free(&blob_recv);
status = enc_blob_send_receive(cli, &blob_send, &blob_recv, ¶m_out);
es->enc_ctx_num = SVAL(param_out.data, 0);
}
data_blob_free(&blob_send);
- status = make_cli_gss_blob(talloc_tos(), es, servicename, fqdn, status, blob_recv, &blob_send);
+ status = make_cli_gss_blob(talloc_tos(), auth_generic_state->gensec_security, status, blob_recv, &blob_send);
} while (NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED));
data_blob_free(&blob_recv);
+ if (NT_STATUS_IS_OK(status)) {
+ if (!gensec_have_feature(auth_generic_state->gensec_security,
+ GENSEC_FEATURE_SIGN) ||
+ !gensec_have_feature(auth_generic_state->gensec_security,
+ GENSEC_FEATURE_SEAL)) {
+ status = NT_STATUS_ACCESS_DENIED;
+ }
+ }
+
if (NT_STATUS_IS_OK(status)) {
es->enc_on = true;
/* Replace the old state, if any. */
+ /* We only need the gensec_security part from here.
+ * es is a malloc()ed pointer, so we cannot make
+ * gensec_security a talloc child */
+ es->s.gensec_security = talloc_move(NULL,
+ &auth_generic_state->gensec_security);
smb1cli_conn_set_encryption(cli->conn, es);
es = NULL;
}
+fail:
common_free_encryption_state(&es);
return status;
}
-#else
-NTSTATUS cli_gss_smb_encryption_start(struct cli_state *cli)
-{
- return NT_STATUS_NOT_SUPPORTED;
-}
-#endif
/********************************************************************
Ensure a connection is encrypted.
gensec_want_feature(gensec_security, GENSEC_FEATURE_SEAL);
- status = gensec_start_mech_by_oid(gensec_security, oid);
-
- if (!NT_STATUS_IS_OK(status)) {
- TALLOC_FREE(gensec_security);
- return nt_status_squash(status);
- }
-
- es->s.gensec_security = gensec_security;
-
- return status;
-}
-
-#if defined(HAVE_GSSAPI) && defined(HAVE_KRB5)
-
-/******************************************************************************
- Import a name.
-******************************************************************************/
-
-static NTSTATUS get_srv_gss_creds(const char *service,
- const char *name,
- gss_cred_usage_t cred_type,
- gss_cred_id_t *p_srv_cred)
-{
- OM_uint32 ret;
- OM_uint32 min;
- gss_name_t srv_name;
- gss_buffer_desc input_name;
- char *host_princ_s = NULL;
- NTSTATUS status = NT_STATUS_OK;
-
- gss_OID_desc nt_hostbased_service =
- {10, discard_const_p(char, "\x2a\x86\x48\x86\xf7\x12\x01\x02\x01\x04")};
-
- if (asprintf(&host_princ_s, "%s@%s", service, name) == -1) {
- return NT_STATUS_NO_MEMORY;
- }
-
- input_name.value = host_princ_s;
- input_name.length = strlen(host_princ_s) + 1;
-
- ret = gss_import_name(&min,
- &input_name,
- &nt_hostbased_service,
- &srv_name);
-
- DEBUG(10,("get_srv_gss_creds: imported name %s\n",
- host_princ_s ));
-
- if (ret != GSS_S_COMPLETE) {
- SAFE_FREE(host_princ_s);
- return map_nt_error_from_gss(ret, min);
- }
-
/*
- * We're accessing the krb5.keytab file here.
+ * We could be accessing the secrets.tdb or krb5.keytab file here.
* ensure we have permissions to do so.
*/
become_root();
- ret = gss_acquire_cred(&min,
- srv_name,
- GSS_C_INDEFINITE,
- GSS_C_NULL_OID_SET,
- cred_type,
- p_srv_cred,
- NULL,
- NULL);
- unbecome_root();
-
- if (ret != GSS_S_COMPLETE) {
- ADS_STATUS adss = ADS_ERROR_GSS(ret, min);
- DEBUG(10,("get_srv_gss_creds: gss_acquire_cred failed with %s\n",
- ads_errstr(adss)));
- status = map_nt_error_from_gss(ret, min);
- }
-
- SAFE_FREE(host_princ_s);
- gss_release_name(&min, &srv_name);
- return status;
-}
-
-/******************************************************************************
- Create a gss state.
- Try and get the cifs/server@realm principal first, then fall back to
- host/server@realm.
-******************************************************************************/
-
-static NTSTATUS make_auth_gss(struct smb_trans_enc_state *es)
-{
- NTSTATUS status;
- gss_cred_id_t srv_cred;
- fstring fqdn;
+ status = gensec_start_mech_by_oid(gensec_security, oid);
- name_to_fqdn(fqdn, lp_netbios_name());
- strlower_m(fqdn);
+ unbecome_root();
- status = get_srv_gss_creds("cifs", fqdn, GSS_C_ACCEPT, &srv_cred);
if (!NT_STATUS_IS_OK(status)) {
- status = get_srv_gss_creds("host", fqdn, GSS_C_ACCEPT, &srv_cred);
- if (!NT_STATUS_IS_OK(status)) {
- return nt_status_squash(status);
- }
- }
-
- es->s.gss_state = SMB_MALLOC_P(struct smb_tran_enc_state_gss);
- if (!es->s.gss_state) {
- OM_uint32 min;
- gss_release_cred(&min, &srv_cred);
- return NT_STATUS_NO_MEMORY;
+ TALLOC_FREE(gensec_security);
+ return nt_status_squash(status);
}
- ZERO_STRUCTP(es->s.gss_state);
- es->s.gss_state->creds = srv_cred;
- /* No context yet. */
- es->s.gss_state->gss_ctx = GSS_C_NO_CONTEXT;
+ es->s.gensec_security = gensec_security;
- return NT_STATUS_OK;
+ return status;
}
-#endif
/******************************************************************************
Shutdown a server encryption context.
enum smb_trans_enc_type smb_enc_type,
struct smb_trans_enc_state **pp_es)
{
+ NTSTATUS status;
+ const char *oid;
struct smb_trans_enc_state *es;
*pp_es = NULL;
es->smb_enc_type = smb_enc_type;
switch (smb_enc_type) {
case SMB_TRANS_ENC_NTLM:
- {
- NTSTATUS status = make_auth_gensec(remote_address,
- es, GENSEC_OID_NTLMSSP);
- if (!NT_STATUS_IS_OK(status)) {
- srv_free_encryption_context(&es);
- return status;
- }
- }
+ oid = GENSEC_OID_NTLMSSP;
break;
-
-#if defined(HAVE_GSSAPI) && defined(HAVE_KRB5)
case SMB_TRANS_ENC_GSS:
- /* Acquire our credentials by calling gss_acquire_cred here. */
- {
- NTSTATUS status = make_auth_gss(es);
- if (!NT_STATUS_IS_OK(status)) {
- srv_free_encryption_context(&es);
- return status;
- }
- }
+ oid = GENSEC_OID_KERBEROS5;
break;
-#endif
default:
srv_free_encryption_context(&es);
return NT_STATUS_INVALID_PARAMETER;
}
+ status = make_auth_gensec(remote_address,
+ es, oid);
+ if (!NT_STATUS_IS_OK(status)) {
+ srv_free_encryption_context(&es);
+ return status;
+ }
*pp_es = es;
return NT_STATUS_OK;
}
Until success we do everything on the partial enc ctx.
******************************************************************************/
-#if defined(HAVE_GSSAPI) && defined(HAVE_KRB5)
static NTSTATUS srv_enc_spnego_gss_negotiate(const struct tsocket_address *remote_address,
unsigned char **ppdata,
size_t *p_data_size,
DATA_BLOB secblob)
{
- OM_uint32 ret;
- OM_uint32 min;
- OM_uint32 flags = 0;
- gss_buffer_desc in_buf, out_buf;
- struct smb_tran_enc_state_gss *gss_state;
- DATA_BLOB auth_reply = data_blob_null;
- DATA_BLOB response = data_blob_null;
NTSTATUS status;
+ DATA_BLOB unwrapped_response = data_blob_null;
+ DATA_BLOB response = data_blob_null;
- if (!partial_srv_trans_enc_ctx) {
- status = make_srv_encryption_context(remote_address,
- SMB_TRANS_ENC_GSS,
- &partial_srv_trans_enc_ctx);
- if (!NT_STATUS_IS_OK(status)) {
- return status;
- }
+ status = make_srv_encryption_context(remote_address,
+ SMB_TRANS_ENC_GSS,
+ &partial_srv_trans_enc_ctx);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
}
- gss_state = partial_srv_trans_enc_ctx->s.gss_state;
-
- in_buf.value = secblob.data;
- in_buf.length = secblob.length;
-
- out_buf.value = NULL;
- out_buf.length = 0;
-
become_root();
- ret = gss_accept_sec_context(&min,
- &gss_state->gss_ctx,
- gss_state->creds,
- &in_buf,
- GSS_C_NO_CHANNEL_BINDINGS,
- NULL,
- NULL, /* Ignore oids. */
- &out_buf, /* To return. */
- &flags,
- NULL, /* Ingore time. */
- NULL); /* Ignore delegated creds. */
- unbecome_root();
-
- status = gss_err_to_ntstatus(ret, min);
- if (ret != GSS_S_COMPLETE && ret != GSS_S_CONTINUE_NEEDED) {
- return status;
- }
+ status = gensec_update(partial_srv_trans_enc_ctx->s.gensec_security,
+ talloc_tos(), NULL,
+ secblob, &unwrapped_response);
- /* Ensure we've got sign+seal available. */
- if (ret == GSS_S_COMPLETE) {
- if ((flags & (GSS_C_INTEG_FLAG|GSS_C_CONF_FLAG|GSS_C_REPLAY_FLAG|GSS_C_SEQUENCE_FLAG)) !=
- (GSS_C_INTEG_FLAG|GSS_C_CONF_FLAG|GSS_C_REPLAY_FLAG|GSS_C_SEQUENCE_FLAG)) {
- DEBUG(0,("srv_enc_spnego_gss_negotiate: quality of service not good enough "
- "for SMB sealing.\n"));
- gss_release_buffer(&min, &out_buf);
- return NT_STATUS_ACCESS_DENIED;
- }
- }
+ unbecome_root();
- auth_reply = data_blob(out_buf.value, out_buf.length);
- gss_release_buffer(&min, &out_buf);
+ /* status here should be NT_STATUS_MORE_PROCESSING_REQUIRED
+ * for success ... */
- /* Wrap in SPNEGO. */
- response = spnego_gen_auth_response(talloc_tos(), &auth_reply, status, OID_KERBEROS5);
- data_blob_free(&auth_reply);
+ response = spnego_gen_auth_response(talloc_tos(), &unwrapped_response, status, OID_KERBEROS5);
+ data_blob_free(&unwrapped_response);
SAFE_FREE(*ppdata);
*ppdata = (unsigned char *)memdup(response.data, response.length);
status = NT_STATUS_NO_MEMORY;
}
*p_data_size = response.length;
-
data_blob_free(&response);
return status;
}
-#endif
/******************************************************************************
Do the NTLM SPNEGO (or raw) encryption negotiation. Parameters are in/out.
if (kerb_mech) {
TALLOC_FREE(kerb_mech);
-#if defined(HAVE_GSSAPI) && defined(HAVE_KRB5)
status = srv_enc_spnego_gss_negotiate(conn->sconn->remote_address,
ppdata,
p_data_size,
secblob);
-#else
- /* Currently we don't SPNEGO negotiate
- * back to NTLMSSP as we do in sessionsetupX. We should... */
- return NT_STATUS_LOGON_FAILURE;
-#endif
} else {
status = srv_enc_ntlm_negotiate(conn->sconn->remote_address,
ppdata,
git.samba.org / sfrench / samba-autobuild / .git / commitdiff