-/*
+/*
Unix SMB/CIFS implementation.
Standardised Authentication types
Copyright (C) Andrew Bartlett 2001
Copyright (C) Stefan Metzmacher 2005
-
+
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
-
+
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
-
+
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
struct samr_Password *lanman;
struct samr_Password *nt;
} hash;
-
+
char *plaintext;
} password;
uint32_t flags;
};
-struct auth_serversupplied_info
+struct auth_serversupplied_info
{
struct dom_sid *account_sid;
struct dom_sid *primary_group_sid;
const char *home_directory;
const char *home_drive;
const char *logon_server;
-
+
NTTIME last_logon;
NTTIME last_logoff;
NTTIME acct_expiry;
struct auth_serversupplied_info **server_info);
/* Lookup a 'server info' return based only on the principal */
- NTSTATUS (*get_server_info_principal)(TALLOC_CTX *mem_ctx,
+ NTSTATUS (*get_server_info_principal)(TALLOC_CTX *mem_ctx,
struct auth_context *auth_context,
const char *principal,
struct auth_serversupplied_info **server_info);
struct auth_context {
struct {
- /* Who set this up in the first place? */
+ /* Who set this up in the first place? */
const char *set_by;
bool may_be_modified;
- DATA_BLOB data;
+ DATA_BLOB data;
} challenge;
/* methods, in the order they should be called */
NTSTATUS (*check_password)(struct auth_context *auth_ctx,
TALLOC_CTX *mem_ctx,
- const struct auth_usersupplied_info *user_info,
+ const struct auth_usersupplied_info *user_info,
struct auth_serversupplied_info **server_info);
-
+
NTSTATUS (*get_challenge)(struct auth_context *auth_ctx, uint8_t chal[8]);
bool (*challenge_may_be_modified)(struct auth_context *auth_ctx);
NTSTATUS (*set_challenge)(struct auth_context *auth_ctx, const uint8_t chal[8], const char *set_by);
-
- NTSTATUS (*get_server_info_principal)(TALLOC_CTX *mem_ctx,
+
+ NTSTATUS (*get_server_info_principal)(TALLOC_CTX *mem_ctx,
struct auth_context *auth_context,
const char *principal,
struct auth_serversupplied_info **server_info);
int sizeof_auth_serversupplied_info;
};
- NTSTATUS encrypt_user_info(TALLOC_CTX *mem_ctx, struct auth_context *auth_context,
+ NTSTATUS encrypt_user_info(TALLOC_CTX *mem_ctx, struct auth_context *auth_context,
enum auth_password_state to_state,
const struct auth_usersupplied_info *user_info_in,
const struct auth_usersupplied_info **user_info_encrypted);
NTSTATUS authsam_make_server_info(TALLOC_CTX *mem_ctx, struct ldb_context *sam_ctx,
const char *netbios_name,
const char *domain_name,
- struct ldb_dn *domain_dn,
+ struct ldb_dn *domain_dn,
struct ldb_message *msg,
DATA_BLOB user_sess_key, DATA_BLOB lm_sess_key,
struct auth_serversupplied_info **_server_info);
-NTSTATUS auth_system_session_info(TALLOC_CTX *parent_ctx,
+NTSTATUS auth_system_session_info(TALLOC_CTX *parent_ctx,
struct loadparm_context *lp_ctx,
struct auth_session_info **_session_info) ;
NTSTATUS auth_nt_status_squash(NTSTATUS nt_status);
-NTSTATUS auth_context_create_methods(TALLOC_CTX *mem_ctx, const char **methods,
+NTSTATUS auth_context_create_methods(TALLOC_CTX *mem_ctx, const char **methods,
struct tevent_context *ev,
struct messaging_context *msg,
struct loadparm_context *lp_ctx,
struct auth_context **auth_ctx);
-NTSTATUS auth_context_create(TALLOC_CTX *mem_ctx,
+NTSTATUS auth_context_create(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
struct messaging_context *msg,
struct loadparm_context *lp_ctx,
NTSTATUS auth_check_password(struct auth_context *auth_ctx,
TALLOC_CTX *mem_ctx,
- const struct auth_usersupplied_info *user_info,
+ const struct auth_usersupplied_info *user_info,
struct auth_serversupplied_info **server_info);
NTSTATUS auth_init(void);
NTSTATUS auth_register(const struct auth_operations *ops);
-/*
+/*
Unix SMB/CIFS implementation.
Create and parse the krb5 PAC
-
+
Copyright (C) Andrew Bartlett <abartlet@samba.org> 2004-2005,2008
Copyright (C) Andrew Tridgell 2001
Copyright (C) Luke Howard 2002-2003
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
-
+
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
-
+
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "lib/ldb/include/ldb.h"
#include "auth/auth_sam_reply.h"
-krb5_error_code check_pac_checksum(TALLOC_CTX *mem_ctx,
+krb5_error_code check_pac_checksum(TALLOC_CTX *mem_ctx,
DATA_BLOB pac_data,
struct PAC_SIGNATURE_DATA *sig,
krb5_context context,
0,
&crypto);
if (ret) {
- DEBUG(0,("krb5_crypto_init() failed: %s\n",
+ DEBUG(0,("krb5_crypto_init() failed: %s\n",
smb_get_krb5_error_message(context, ret, mem_ctx)));
return ret;
}
return NT_STATUS_NO_MEMORY;
}
- ndr_err = ndr_pull_struct_blob(&blob, pac_data,
+ ndr_err = ndr_pull_struct_blob(&blob, pac_data,
iconv_convenience, pac_data,
(ndr_pull_flags_fn_t)ndr_pull_PAC_DATA);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
return NT_STATUS_INVALID_PARAMETER;
}
- ndr_err = ndr_pull_struct_blob(&blob, pac_data_raw,
+ ndr_err = ndr_pull_struct_blob(&blob, pac_data_raw,
iconv_convenience, pac_data_raw,
(ndr_pull_flags_fn_t)ndr_pull_PAC_DATA_RAW);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
/* Find and zero out the signatures, as required by the signing algorithm */
/* We find the data blobs above, now we parse them to get at the exact portion we should zero */
- ndr_err = ndr_pull_struct_blob(kdc_sig_blob, kdc_sig_wipe,
+ ndr_err = ndr_pull_struct_blob(kdc_sig_blob, kdc_sig_wipe,
iconv_convenience, kdc_sig_wipe,
(ndr_pull_flags_fn_t)ndr_pull_PAC_SIGNATURE_DATA);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
nt_errstr(status)));
return status;
}
-
- ndr_err = ndr_pull_struct_blob(srv_sig_blob, srv_sig_wipe,
+
+ ndr_err = ndr_pull_struct_blob(srv_sig_blob, srv_sig_wipe,
iconv_convenience, srv_sig_wipe,
(ndr_pull_flags_fn_t)ndr_pull_PAC_SIGNATURE_DATA);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
/* Now zero the decoded structure */
memset(kdc_sig_wipe->signature.data, '\0', kdc_sig_wipe->signature.length);
memset(srv_sig_wipe->signature.data, '\0', srv_sig_wipe->signature.length);
-
+
/* and reencode, back into the same place it came from */
- ndr_err = ndr_push_struct_blob(kdc_sig_blob, pac_data_raw,
+ ndr_err = ndr_push_struct_blob(kdc_sig_blob, pac_data_raw,
iconv_convenience,
kdc_sig_wipe,
(ndr_push_flags_fn_t)ndr_push_PAC_SIGNATURE_DATA);
nt_errstr(status)));
return status;
}
- ndr_err = ndr_push_struct_blob(srv_sig_blob, pac_data_raw,
+ ndr_err = ndr_push_struct_blob(srv_sig_blob, pac_data_raw,
iconv_convenience,
srv_sig_wipe,
(ndr_push_flags_fn_t)ndr_push_PAC_SIGNATURE_DATA);
}
/* push out the whole structure, but now with zero'ed signatures */
- ndr_err = ndr_push_struct_blob(&modified_pac_blob, pac_data_raw,
+ ndr_err = ndr_push_struct_blob(&modified_pac_blob, pac_data_raw,
iconv_convenience,
pac_data_raw,
(ndr_push_flags_fn_t)ndr_push_PAC_DATA_RAW);
}
/* verify by service_key */
- ret = check_pac_checksum(mem_ctx,
- modified_pac_blob, srv_sig_ptr,
- context,
+ ret = check_pac_checksum(mem_ctx,
+ modified_pac_blob, srv_sig_ptr,
+ context,
service_keyblock);
if (ret) {
DEBUG(1, ("PAC Decode: Failed to verify the service signature: %s\n",
}
if (krbtgt_keyblock) {
- ret = check_pac_checksum(mem_ctx,
- srv_sig_ptr->signature, kdc_sig_ptr,
+ ret = check_pac_checksum(mem_ctx,
+ srv_sig_ptr->signature, kdc_sig_ptr,
context, krbtgt_keyblock);
if (ret) {
DEBUG(1, ("PAC Decode: Failed to verify the KDC signature: %s\n",
return NT_STATUS_ACCESS_DENIED;
}
- ret = krb5_parse_name_flags(context, logon_name->account_name, KRB5_PRINCIPAL_PARSE_NO_REALM,
+ ret = krb5_parse_name_flags(context, logon_name->account_name, KRB5_PRINCIPAL_PARSE_NO_REALM,
&client_principal_pac);
if (ret) {
- DEBUG(2, ("Could not parse name from incoming PAC: [%s]: %s\n",
- logon_name->account_name,
+ DEBUG(2, ("Could not parse name from incoming PAC: [%s]: %s\n",
+ logon_name->account_name,
smb_get_krb5_error_message(context, ret, mem_ctx)));
if (k5ret) {
*k5ret = ret;
}
if (!krb5_principal_compare_any_realm(context, client_principal, client_principal_pac)) {
- DEBUG(2, ("Name in PAC [%s] does not match principal name in ticket\n",
+ DEBUG(2, ("Name in PAC [%s] does not match principal name in ticket\n",
logon_name->account_name));
return NT_STATUS_ACCESS_DENIED;
}
-
+
#if 0
- if (strcasecmp(logon_info->info3.base.account_name.string,
+ if (strcasecmp(logon_info->info3.base.account_name.string,
"Administrator")== 0) {
file_save("tmp_pac_data-admin.dat",blob.data,blob.length);
}
#endif
DEBUG(3,("Found account name from PAC: %s [%s]\n",
- logon_info->info3.base.account_name.string,
+ logon_info->info3.base.account_name.string,
logon_info->info3.base.full_name.string));
*pac_data_out = pac_data;
const krb5_keyblock *krbtgt_keyblock,
const krb5_keyblock *service_keyblock,
krb5_const_principal client_principal,
- time_t tgs_authtime,
+ time_t tgs_authtime,
krb5_error_code *k5ret)
{
NTSTATUS nt_status;
struct PAC_DATA *pac_data;
int i;
- nt_status = kerberos_decode_pac(mem_ctx,
+ nt_status = kerberos_decode_pac(mem_ctx,
iconv_convenience,
&pac_data,
blob,
context,
krbtgt_keyblock,
service_keyblock,
- client_principal,
+ client_principal,
tgs_authtime,
k5ret);
if (!NT_STATUS_IS_OK(nt_status)) {
if (pac_data->buffers[i].type != PAC_TYPE_LOGON_INFO) {
continue;
}
- *logon_info = pac_data->buffers[i].info->logon_info.info;
+ *logon_info = pac_data->buffers[i].info->logon_info.info;
}
if (!*logon_info) {
return NT_STATUS_INVALID_PARAMETER;
return NT_STATUS_OK;
}
-static krb5_error_code make_pac_checksum(TALLOC_CTX *mem_ctx,
+static krb5_error_code make_pac_checksum(TALLOC_CTX *mem_ctx,
DATA_BLOB *pac_data,
struct PAC_SIGNATURE_DATA *sig,
krb5_context context,
pac_data->length,
&cksum);
if (ret) {
- DEBUG(2, ("PAC Verification failed: %s\n",
+ DEBUG(2, ("PAC Verification failed: %s\n",
smb_get_krb5_error_message(context, ret, mem_ctx)));
}
krb5_context context,
const krb5_keyblock *krbtgt_keyblock,
const krb5_keyblock *service_keyblock,
- DATA_BLOB *pac)
+ DATA_BLOB *pac)
{
NTSTATUS nt_status;
krb5_error_code ret;
if (pac_data->buffers[i].type != PAC_TYPE_KDC_CHECKSUM) {
continue;
}
- kdc_checksum = &pac_data->buffers[i].info->kdc_cksum,
+ kdc_checksum = &pac_data->buffers[i].info->kdc_cksum,
ret = make_pac_checksum(mem_ctx, &zero_blob,
- kdc_checksum,
+ kdc_checksum,
context, krbtgt_keyblock);
if (ret) {
- DEBUG(2, ("making krbtgt PAC checksum failed: %s\n",
+ DEBUG(2, ("making krbtgt PAC checksum failed: %s\n",
smb_get_krb5_error_message(context, ret, mem_ctx)));
talloc_free(pac_data);
return ret;
}
}
-
+
for (i=0; i < pac_data->num_buffers; i++) {
if (pac_data->buffers[i].type != PAC_TYPE_SRV_CHECKSUM) {
continue;
}
- srv_checksum = &pac_data->buffers[i].info->srv_cksum;
- ret = make_pac_checksum(mem_ctx, &zero_blob,
- srv_checksum,
+ srv_checksum = &pac_data->buffers[i].info->srv_cksum;
+ ret = make_pac_checksum(mem_ctx, &zero_blob,
+ srv_checksum,
context, service_keyblock);
if (ret) {
- DEBUG(2, ("making service PAC checksum failed: %s\n",
+ DEBUG(2, ("making service PAC checksum failed: %s\n",
smb_get_krb5_error_message(context, ret, mem_ctx)));
talloc_free(pac_data);
return ret;
memset(kdc_checksum->signature.data, '\0', kdc_checksum->signature.length);
memset(srv_checksum->signature.data, '\0', srv_checksum->signature.length);
- ndr_err = ndr_push_struct_blob(&tmp_blob, mem_ctx,
+ ndr_err = ndr_push_struct_blob(&tmp_blob, mem_ctx,
iconv_convenience,
pac_data,
(ndr_push_flags_fn_t)ndr_push_PAC_DATA);
/* Then sign Server checksum */
ret = make_pac_checksum(mem_ctx, &srv_checksum->signature, kdc_checksum, context, krbtgt_keyblock);
if (ret) {
- DEBUG(2, ("making krbtgt PAC checksum failed: %s\n",
+ DEBUG(2, ("making krbtgt PAC checksum failed: %s\n",
smb_get_krb5_error_message(context, ret, mem_ctx)));
talloc_free(pac_data);
return ret;
}
/* And push it out again, this time to the world. This relies on determanistic pointer values */
- ndr_err = ndr_push_struct_blob(&tmp_blob, mem_ctx,
+ ndr_err = ndr_push_struct_blob(&tmp_blob, mem_ctx,
iconv_convenience,
pac_data,
(ndr_push_flags_fn_t)ndr_push_PAC_DATA);
union PAC_INFO *u_SRV_CHECKSUM;
char *name;
-
+
enum {
PAC_BUF_LOGON_INFO = 0,
PAC_BUF_LOGON_NAME = 1,
pac_data->num_buffers = PAC_BUF_NUM_BUFFERS;
pac_data->version = 0;
- pac_data->buffers = talloc_array(pac_data,
+ pac_data->buffers = talloc_array(pac_data,
struct PAC_BUFFER,
pac_data->num_buffers);
if (!pac_data->buffers) {
u_LOGON_INFO->logon_info.info = LOGON_INFO;
LOGON_INFO->info3 = *sam3;
- ret = krb5_unparse_name_flags(context, client_principal,
+ ret = krb5_unparse_name_flags(context, client_principal,
KRB5_PRINCIPAL_UNPARSE_NO_REALM, &name);
if (ret) {
return ret;
*/
unix_to_nt_time(&LOGON_NAME->logon_time, tgs_authtime);
- ret = kerberos_encode_pac(mem_ctx,
+ ret = kerberos_encode_pac(mem_ctx,
iconv_convenience,
- pac_data,
+ pac_data,
context,
krbtgt_keyblock,
service_keyblock,
struct smb_iconv_convenience *iconv_convenience,
krb5_pac pac,
krb5_context context,
- struct auth_serversupplied_info **server_info)
+ struct auth_serversupplied_info **server_info)
{
NTSTATUS nt_status;
enum ndr_err_code ndr_err;
nt_status = make_server_info_netlogon_validation(mem_ctx,
"",
3, &validation,
- &server_info_out);
+ &server_info_out);
if (!NT_STATUS_IS_OK(nt_status)) {
talloc_free(tmp_ctx);
return EINVAL;
}
-
+
ret = krb5_pac_get_buffer(context, pac, PAC_TYPE_SRV_CHECKSUM, &k5pac_srv_checksum_in);
if (ret != 0) {
talloc_free(tmp_ctx);
}
pac_srv_checksum_in = data_blob_const(k5pac_srv_checksum_in.data, k5pac_srv_checksum_in.length);
-
- ndr_err = ndr_pull_struct_blob(&pac_srv_checksum_in, server_info_out,
+
+ ndr_err = ndr_pull_struct_blob(&pac_srv_checksum_in, server_info_out,
iconv_convenience, &server_info_out->pac_srv_sig,
(ndr_pull_flags_fn_t)ndr_pull_PAC_SIGNATURE_DATA);
krb5_data_free(&k5pac_srv_checksum_in);
}
pac_kdc_checksum_in = data_blob_const(k5pac_kdc_checksum_in.data, k5pac_kdc_checksum_in.length);
-
- ndr_err = ndr_pull_struct_blob(&pac_kdc_checksum_in, server_info_out,
+
+ ndr_err = ndr_pull_struct_blob(&pac_kdc_checksum_in, server_info_out,
iconv_convenience, &server_info_out->pac_kdc_sig,
(ndr_pull_flags_fn_t)ndr_pull_PAC_SIGNATURE_DATA);
krb5_data_free(&k5pac_kdc_checksum_in);
}
*server_info = server_info_out;
-
+
return 0;
}
NTSTATUS kerberos_pac_blob_to_server_info(TALLOC_CTX *mem_ctx,
struct smb_iconv_convenience *iconv_convenience,
- DATA_BLOB pac_blob,
+ DATA_BLOB pac_blob,
krb5_context context,
- struct auth_serversupplied_info **server_info)
+ struct auth_serversupplied_info **server_info)
{
krb5_error_code ret;
krb5_pac pac;
- ret = krb5_pac_parse(context,
- pac_blob.data, pac_blob.length,
+ ret = krb5_pac_parse(context,
+ pac_blob.data, pac_blob.length,
&pac);
if (ret) {
return map_nt_error_from_unix(ret);
git.samba.org / metze / samba / wip.git / commitdiff