Unix SMB/CIFS implementation.
Copyright (C) Stefan Metzmacher 2004
+ Copyright (C) Andrew Bartlett <abartlet@samba.org> 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 2 of the License, or
+ 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,
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, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
+#include "libnet/libnet.h"
+#include "../lib/crypto/crypto.h"
+#include "libcli/auth/libcli_auth.h"
+#include "librpc/gen_ndr/ndr_samr_c.h"
/*
* do a password change using DCERPC/SAMR calls
* 1. connect to the SAMR pipe of users domain PDC (maybe a standalone server or workstation)
- * 2. try samr_ChangePassword3
+ * 2. try samr_ChangePasswordUser3
+ * 3. try samr_ChangePasswordUser2
+ * 4. try samr_OemChangePasswordUser2
+ * (not yet: 5. try samr_ChangePasswordUser)
*/
-static NTSTATUS libnet_ChangePassword_rpc(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, union libnet_ChangePassword *r)
+static NTSTATUS libnet_ChangePassword_samr(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, union libnet_ChangePassword *r)
{
NTSTATUS status;
- union libnet_rpc_connect c;
+ struct libnet_RpcConnect c;
+#if 0
+ struct policy_handle user_handle;
+ struct samr_Password hash1, hash2, hash3, hash4, hash5, hash6;
+ struct samr_ChangePasswordUser pw;
+#endif
+ struct samr_OemChangePasswordUser2 oe2;
+ struct samr_ChangePasswordUser2 pw2;
struct samr_ChangePasswordUser3 pw3;
- struct samr_Name server, account;
+ struct lsa_String server, account;
+ struct lsa_AsciiString a_server, a_account;
struct samr_CryptPassword nt_pass, lm_pass;
struct samr_Password nt_verifier, lm_verifier;
uint8_t old_nt_hash[16], new_nt_hash[16];
uint8_t old_lm_hash[16], new_lm_hash[16];
+ struct samr_DomInfo1 *dominfo = NULL;
+ struct userPwdChangeFailureInformation *reject = NULL;
- /* prepare connect to the SAMR pipe of the */
- c.pdc.level = LIBNET_RPC_CONNECT_PDC;
- c.pdc.in.domain_name = r->rpc.in.domain_name;
- c.pdc.in.dcerpc_iface_name = DCERPC_SAMR_NAME;
- c.pdc.in.dcerpc_iface_uuid = DCERPC_SAMR_UUID;
- c.pdc.in.dcerpc_iface_version = DCERPC_SAMR_VERSION;
+ ZERO_STRUCT(c);
- /* do connect to the SAMR pipe of the */
- status = libnet_rpc_connect(ctx, mem_ctx, &c);
+ /* prepare connect to the SAMR pipe of the users domain PDC */
+ c.level = LIBNET_RPC_CONNECT_PDC;
+ c.in.name = r->samr.in.domain_name;
+ c.in.dcerpc_iface = &ndr_table_samr;
+ c.in.dcerpc_flags = DCERPC_ANON_FALLBACK;
+
+ /* 1. connect to the SAMR pipe of users domain PDC (maybe a standalone server or workstation) */
+ status = libnet_RpcConnect(ctx, mem_ctx, &c);
if (!NT_STATUS_IS_OK(status)) {
- r->rpc.out.error_string = talloc_asprintf(mem_ctx,
- "Connection to SAMR pipe of PDC of domain '%s' failed\n",
- r->rpc.in.domain_name);
+ r->samr.out.error_string = talloc_asprintf(mem_ctx,
+ "Connection to SAMR pipe of PDC of domain '%s' failed: %s",
+ r->samr.in.domain_name, nt_errstr(status));
return status;
}
/* prepare password change for account */
- server.name = talloc_asprintf(mem_ctx, "\\\\%s", dcerpc_server_name(c.pdc.out.dcerpc_pipe));
- account.name = r->rpc.in.account_name;
+ server.string = talloc_asprintf(mem_ctx, "\\\\%s", dcerpc_server_name(c.out.dcerpc_pipe));
+ account.string = r->samr.in.account_name;
- E_md4hash(r->rpc.in.oldpassword, old_nt_hash);
- E_md4hash(r->rpc.in.newpassword, new_nt_hash);
+ E_md4hash(r->samr.in.oldpassword, old_nt_hash);
+ E_md4hash(r->samr.in.newpassword, new_nt_hash);
- E_deshash(r->rpc.in.oldpassword, old_lm_hash);
- E_deshash(r->rpc.in.newpassword, new_lm_hash);
+ E_deshash(r->samr.in.oldpassword, old_lm_hash);
+ E_deshash(r->samr.in.newpassword, new_lm_hash);
- encode_pw_buffer(lm_pass.data, r->rpc.in.newpassword, STR_UNICODE);
+ /* prepare samr_ChangePasswordUser3 */
+ encode_pw_buffer(lm_pass.data, r->samr.in.newpassword, STR_UNICODE);
arcfour_crypt(lm_pass.data, old_nt_hash, 516);
E_old_pw_hash(new_lm_hash, old_lm_hash, lm_verifier.hash);
- encode_pw_buffer(nt_pass.data, r->rpc.in.newpassword, STR_UNICODE);
+ encode_pw_buffer(nt_pass.data, r->samr.in.newpassword, STR_UNICODE);
arcfour_crypt(nt_pass.data, old_nt_hash, 516);
E_old_pw_hash(new_nt_hash, old_nt_hash, nt_verifier.hash);
pw3.in.lm_password = &lm_pass;
pw3.in.lm_verifier = &lm_verifier;
pw3.in.password3 = NULL;
+ pw3.out.dominfo = &dominfo;
+ pw3.out.reject = &reject;
- /* do password change for account */
- status = dcerpc_samr_ChangePasswordUser3(c.pdc.out.dcerpc_pipe, mem_ctx, &pw3);
- if (!NT_STATUS_IS_OK(status)) {
- r->rpc.out.error_string = talloc_asprintf(mem_ctx,
- "ChangePassword3 failed: %s\n",nt_errstr(status));
+ /* 2. try samr_ChangePasswordUser3 */
+ status = dcerpc_samr_ChangePasswordUser3(c.out.dcerpc_pipe, mem_ctx, &pw3);
+ if (!NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
+ if (!NT_STATUS_IS_OK(status)) {
+ r->samr.out.error_string = talloc_asprintf(mem_ctx,
+ "samr_ChangePasswordUser3 failed: %s",
+ nt_errstr(status));
+ r->samr.out.error_string = talloc_asprintf(mem_ctx,
+ "samr_ChangePasswordUser3 for '%s\\%s' failed: %s",
+ r->samr.in.domain_name, r->samr.in.account_name,
+ nt_errstr(status));
+ }
+ goto disconnect;
+ }
+
+ /* prepare samr_ChangePasswordUser2 */
+ encode_pw_buffer(lm_pass.data, r->samr.in.newpassword, STR_ASCII|STR_TERMINATE);
+ arcfour_crypt(lm_pass.data, old_lm_hash, 516);
+ E_old_pw_hash(new_lm_hash, old_lm_hash, lm_verifier.hash);
+
+ encode_pw_buffer(nt_pass.data, r->samr.in.newpassword, STR_UNICODE);
+ arcfour_crypt(nt_pass.data, old_nt_hash, 516);
+ E_old_pw_hash(new_nt_hash, old_nt_hash, nt_verifier.hash);
+
+ pw2.in.server = &server;
+ pw2.in.account = &account;
+ pw2.in.nt_password = &nt_pass;
+ pw2.in.nt_verifier = &nt_verifier;
+ pw2.in.lm_change = 1;
+ pw2.in.lm_password = &lm_pass;
+ pw2.in.lm_verifier = &lm_verifier;
+
+ /* 3. try samr_ChangePasswordUser2 */
+ status = dcerpc_samr_ChangePasswordUser2(c.out.dcerpc_pipe, mem_ctx, &pw2);
+ if (!NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
+ if (!NT_STATUS_IS_OK(status)) {
+ r->samr.out.error_string = talloc_asprintf(mem_ctx,
+ "samr_ChangePasswordUser2 for '%s\\%s' failed: %s",
+ r->samr.in.domain_name, r->samr.in.account_name,
+ nt_errstr(status));
+ }
goto disconnect;
}
- /* check result of password change */
- if (!NT_STATUS_IS_OK(pw3.out.result)) {
- r->rpc.out.error_string = talloc_asprintf(mem_ctx,
- "ChangePassword3 for '%s\\%s' failed: %s\n",
- r->rpc.in.domain_name, r->rpc.in.account_name,
+
+ /* prepare samr_OemChangePasswordUser2 */
+ a_server.string = talloc_asprintf(mem_ctx, "\\\\%s", dcerpc_server_name(c.out.dcerpc_pipe));
+ a_account.string = r->samr.in.account_name;
+
+ encode_pw_buffer(lm_pass.data, r->samr.in.newpassword, STR_ASCII);
+ arcfour_crypt(lm_pass.data, old_lm_hash, 516);
+ E_old_pw_hash(new_lm_hash, old_lm_hash, lm_verifier.hash);
+
+ oe2.in.server = &a_server;
+ oe2.in.account = &a_account;
+ oe2.in.password = &lm_pass;
+ oe2.in.hash = &lm_verifier;
+
+ /* 4. try samr_OemChangePasswordUser2 */
+ status = dcerpc_samr_OemChangePasswordUser2(c.out.dcerpc_pipe, mem_ctx, &oe2);
+ if (!NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
+ if (!NT_STATUS_IS_OK(oe2.out.result)) {
+ r->samr.out.error_string = talloc_asprintf(mem_ctx,
+ "samr_OemChangePasswordUser2 for '%s\\%s' failed: %s",
+ r->samr.in.domain_name, r->samr.in.account_name,
+ nt_errstr(status));
+ }
+ goto disconnect;
+ }
+
+#if 0
+ /* prepare samr_ChangePasswordUser */
+ E_old_pw_hash(new_lm_hash, old_lm_hash, hash1.hash);
+ E_old_pw_hash(old_lm_hash, new_lm_hash, hash2.hash);
+ E_old_pw_hash(new_nt_hash, old_nt_hash, hash3.hash);
+ E_old_pw_hash(old_nt_hash, new_nt_hash, hash4.hash);
+ E_old_pw_hash(old_lm_hash, new_nt_hash, hash5.hash);
+ E_old_pw_hash(old_nt_hash, new_lm_hash, hash6.hash);
+
+ /* TODO: ask for a user_handle */
+ pw.in.handle = &user_handle;
+ pw.in.lm_present = 1;
+ pw.in.old_lm_crypted = &hash1;
+ pw.in.new_lm_crypted = &hash2;
+ pw.in.nt_present = 1;
+ pw.in.old_nt_crypted = &hash3;
+ pw.in.new_nt_crypted = &hash4;
+ pw.in.cross1_present = 1;
+ pw.in.nt_cross = &hash5;
+ pw.in.cross2_present = 1;
+ pw.in.lm_cross = &hash6;
+
+ /* 5. try samr_ChangePasswordUser */
+ status = dcerpc_samr_ChangePasswordUser(c.pdc.out.dcerpc_pipe, mem_ctx, &pw);
+ if (!NT_STATUS_IS_OK(status)) {
+ r->samr.out.error_string = talloc_asprintf(mem_ctx,
+ "samr_ChangePasswordUser failed: %s",
nt_errstr(status));
- /* TODO: give the reason of the reject */
goto disconnect;
}
+ /* check result of samr_ChangePasswordUser */
+ if (!NT_STATUS_IS_OK(pw.out.result)) {
+ r->samr.out.error_string = talloc_asprintf(mem_ctx,
+ "samr_ChangePasswordUser for '%s\\%s' failed: %s",
+ r->samr.in.domain_name, r->samr.in.account_name,
+ nt_errstr(pw.out.result));
+ if (NT_STATUS_EQUAL(pw.out.result, NT_STATUS_PASSWORD_RESTRICTION)) {
+ status = pw.out.result;
+ goto disconnect;
+ }
+ goto disconnect;
+ }
+#endif
disconnect:
/* close connection */
- dcerpc_pipe_close(c.pdc.out.dcerpc_pipe);
+ talloc_free(c.out.dcerpc_pipe);
return status;
}
NTSTATUS status;
union libnet_ChangePassword r2;
- r2.rpc.level = LIBNET_CHANGE_PASSWORD_RPC;
- r2.rpc.in.account_name = r->generic.in.account_name;
- r2.rpc.in.domain_name = r->generic.in.domain_name;
- r2.rpc.in.oldpassword = r->generic.in.oldpassword;
- r2.rpc.in.newpassword = r->generic.in.newpassword;
+ r2.samr.level = LIBNET_CHANGE_PASSWORD_SAMR;
+ r2.samr.in.account_name = r->generic.in.account_name;
+ r2.samr.in.domain_name = r->generic.in.domain_name;
+ r2.samr.in.oldpassword = r->generic.in.oldpassword;
+ r2.samr.in.newpassword = r->generic.in.newpassword;
status = libnet_ChangePassword(ctx, mem_ctx, &r2);
- r->generic.out.error_string = r2.rpc.out.error_string;
+ r->generic.out.error_string = r2.samr.out.error_string;
return status;
}
switch (r->generic.level) {
case LIBNET_CHANGE_PASSWORD_GENERIC:
return libnet_ChangePassword_generic(ctx, mem_ctx, r);
- case LIBNET_CHANGE_PASSWORD_RPC:
- return libnet_ChangePassword_rpc(ctx, mem_ctx, r);
+ case LIBNET_CHANGE_PASSWORD_SAMR:
+ return libnet_ChangePassword_samr(ctx, mem_ctx, r);
case LIBNET_CHANGE_PASSWORD_KRB5:
return NT_STATUS_NOT_IMPLEMENTED;
case LIBNET_CHANGE_PASSWORD_LDAP:
return NT_STATUS_INVALID_LEVEL;
}
+static NTSTATUS libnet_SetPassword_samr_handle_26(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, union libnet_SetPassword *r)
+{
+ NTSTATUS status;
+ struct samr_SetUserInfo2 sui;
+ union samr_UserInfo u_info;
+ DATA_BLOB session_key;
+ DATA_BLOB confounded_session_key = data_blob_talloc(mem_ctx, NULL, 16);
+ uint8_t confounder[16];
+ struct MD5Context md5;
+
+ if (r->samr_handle.in.info21) {
+ return NT_STATUS_INVALID_PARAMETER_MIX;
+ }
+
+ /* prepare samr_SetUserInfo2 level 26 */
+ ZERO_STRUCT(u_info);
+ encode_pw_buffer(u_info.info26.password.data, r->samr_handle.in.newpassword, STR_UNICODE);
+ u_info.info26.password_expired = 0;
+
+ status = dcerpc_fetch_session_key(r->samr_handle.in.dcerpc_pipe, &session_key);
+ if (!NT_STATUS_IS_OK(status)) {
+ r->samr_handle.out.error_string = talloc_asprintf(mem_ctx,
+ "dcerpc_fetch_session_key failed: %s",
+ nt_errstr(status));
+ return status;
+ }
+
+ generate_random_buffer((uint8_t *)confounder, 16);
+
+ MD5Init(&md5);
+ MD5Update(&md5, confounder, 16);
+ MD5Update(&md5, session_key.data, session_key.length);
+ MD5Final(confounded_session_key.data, &md5);
+
+ arcfour_crypt_blob(u_info.info26.password.data, 516, &confounded_session_key);
+ memcpy(&u_info.info26.password.data[516], confounder, 16);
+
+ sui.in.user_handle = r->samr_handle.in.user_handle;
+ sui.in.info = &u_info;
+ sui.in.level = 26;
+
+ /* 7. try samr_SetUserInfo2 level 26 to set the password */
+ status = dcerpc_samr_SetUserInfo2(r->samr_handle.in.dcerpc_pipe, mem_ctx, &sui);
+ /* check result of samr_SetUserInfo2 level 26 */
+ if (!NT_STATUS_IS_OK(status)) {
+ r->samr_handle.out.error_string
+ = talloc_asprintf(mem_ctx,
+ "SetUserInfo2 level 26 for [%s] failed: %s",
+ r->samr_handle.in.account_name, nt_errstr(status));
+ }
+ return status;
+}
+
+static NTSTATUS libnet_SetPassword_samr_handle_25(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, union libnet_SetPassword *r)
+{
+ NTSTATUS status;
+ struct samr_SetUserInfo2 sui;
+ union samr_UserInfo u_info;
+ DATA_BLOB session_key;
+ DATA_BLOB confounded_session_key = data_blob_talloc(mem_ctx, NULL, 16);
+ uint8_t confounder[16];
+ struct MD5Context md5;
+
+ if (!r->samr_handle.in.info21) {
+ return NT_STATUS_INVALID_PARAMETER_MIX;
+ }
+
+ /* prepare samr_SetUserInfo2 level 25 */
+ ZERO_STRUCT(u_info);
+ u_info.info25.info = *r->samr_handle.in.info21;
+ u_info.info25.info.fields_present |= SAMR_FIELD_NT_PASSWORD_PRESENT;
+ encode_pw_buffer(u_info.info25.password.data, r->samr_handle.in.newpassword, STR_UNICODE);
+
+ status = dcerpc_fetch_session_key(r->samr_handle.in.dcerpc_pipe, &session_key);
+ if (!NT_STATUS_IS_OK(status)) {
+ r->samr_handle.out.error_string = talloc_asprintf(mem_ctx,
+ "dcerpc_fetch_session_key failed: %s",
+ nt_errstr(status));
+ return status;
+ }
+
+ generate_random_buffer((uint8_t *)confounder, 16);
+
+ MD5Init(&md5);
+ MD5Update(&md5, confounder, 16);
+ MD5Update(&md5, session_key.data, session_key.length);
+ MD5Final(confounded_session_key.data, &md5);
+
+ arcfour_crypt_blob(u_info.info25.password.data, 516, &confounded_session_key);
+ memcpy(&u_info.info25.password.data[516], confounder, 16);
+
+ sui.in.user_handle = r->samr_handle.in.user_handle;
+ sui.in.info = &u_info;
+ sui.in.level = 25;
+
+ /* 8. try samr_SetUserInfo2 level 25 to set the password */
+ status = dcerpc_samr_SetUserInfo2(r->samr_handle.in.dcerpc_pipe, mem_ctx, &sui);
+ if (!NT_STATUS_IS_OK(status)) {
+ r->samr_handle.out.error_string
+ = talloc_asprintf(mem_ctx,
+ "SetUserInfo2 level 25 for [%s] failed: %s",
+ r->samr_handle.in.account_name, nt_errstr(status));
+ }
+ return status;
+}
+
+static NTSTATUS libnet_SetPassword_samr_handle_24(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, union libnet_SetPassword *r)
+{
+ NTSTATUS status;
+ struct samr_SetUserInfo2 sui;
+ union samr_UserInfo u_info;
+ DATA_BLOB session_key;
+
+ if (r->samr_handle.in.info21) {
+ return NT_STATUS_INVALID_PARAMETER_MIX;
+ }
+
+ /* prepare samr_SetUserInfo2 level 24 */
+ ZERO_STRUCT(u_info);
+ encode_pw_buffer(u_info.info24.password.data, r->samr_handle.in.newpassword, STR_UNICODE);
+ u_info.info24.password_expired = 0;
+
+ status = dcerpc_fetch_session_key(r->samr_handle.in.dcerpc_pipe, &session_key);
+ if (!NT_STATUS_IS_OK(status)) {
+ r->samr_handle.out.error_string = talloc_asprintf(mem_ctx,
+ "dcerpc_fetch_session_key failed: %s",
+ nt_errstr(status));
+ return status;
+ }
+
+ arcfour_crypt_blob(u_info.info24.password.data, 516, &session_key);
+
+ sui.in.user_handle = r->samr_handle.in.user_handle;
+ sui.in.info = &u_info;
+ sui.in.level = 24;
+
+ /* 9. try samr_SetUserInfo2 level 24 to set the password */
+ status = dcerpc_samr_SetUserInfo2(r->samr_handle.in.dcerpc_pipe, mem_ctx, &sui);
+ if (!NT_STATUS_IS_OK(status)) {
+ r->samr_handle.out.error_string
+ = talloc_asprintf(mem_ctx,
+ "SetUserInfo2 level 24 for [%s] failed: %s",
+ r->samr_handle.in.account_name, nt_errstr(status));
+ }
+ return status;
+}
+
+static NTSTATUS libnet_SetPassword_samr_handle_23(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, union libnet_SetPassword *r)
+{
+ NTSTATUS status;
+ struct samr_SetUserInfo2 sui;
+ union samr_UserInfo u_info;
+ DATA_BLOB session_key;
+
+ if (!r->samr_handle.in.info21) {
+ return NT_STATUS_INVALID_PARAMETER_MIX;
+ }
+
+ /* prepare samr_SetUserInfo2 level 23 */
+ ZERO_STRUCT(u_info);
+ u_info.info23.info = *r->samr_handle.in.info21;
+ u_info.info23.info.fields_present |= SAMR_FIELD_NT_PASSWORD_PRESENT;
+ encode_pw_buffer(u_info.info23.password.data, r->samr_handle.in.newpassword, STR_UNICODE);
+
+ status = dcerpc_fetch_session_key(r->samr_handle.in.dcerpc_pipe, &session_key);
+ if (!NT_STATUS_IS_OK(status)) {
+ r->samr_handle.out.error_string
+ = talloc_asprintf(mem_ctx,
+ "dcerpc_fetch_session_key failed: %s",
+ nt_errstr(status));
+ return status;
+ }
+
+ arcfour_crypt_blob(u_info.info23.password.data, 516, &session_key);
+
+ sui.in.user_handle = r->samr_handle.in.user_handle;
+ sui.in.info = &u_info;
+ sui.in.level = 23;
+
+ /* 10. try samr_SetUserInfo2 level 23 to set the password */
+ status = dcerpc_samr_SetUserInfo2(r->samr_handle.in.dcerpc_pipe, mem_ctx, &sui);
+ if (!NT_STATUS_IS_OK(status)) {
+ r->samr_handle.out.error_string
+ = talloc_asprintf(mem_ctx,
+ "SetUserInfo2 level 23 for [%s] failed: %s",
+ r->samr_handle.in.account_name, nt_errstr(status));
+ }
+ return status;
+}
+
+/*
+ * 1. try samr_SetUserInfo2 level 26 to set the password
+ * 2. try samr_SetUserInfo2 level 25 to set the password
+ * 3. try samr_SetUserInfo2 level 24 to set the password
+ * 4. try samr_SetUserInfo2 level 23 to set the password
+*/
+static NTSTATUS libnet_SetPassword_samr_handle(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, union libnet_SetPassword *r)
+{
+
+ NTSTATUS status;
+ enum libnet_SetPassword_level levels[] = {
+ LIBNET_SET_PASSWORD_SAMR_HANDLE_26,
+ LIBNET_SET_PASSWORD_SAMR_HANDLE_25,
+ LIBNET_SET_PASSWORD_SAMR_HANDLE_24,
+ LIBNET_SET_PASSWORD_SAMR_HANDLE_23,
+ };
+ int i;
+
+ for (i=0; i < ARRAY_SIZE(levels); i++) {
+ r->generic.level = levels[i];
+ status = libnet_SetPassword(ctx, mem_ctx, r);
+ if (NT_STATUS_EQUAL(status, NT_STATUS_INVALID_INFO_CLASS)
+ || NT_STATUS_EQUAL(status, NT_STATUS_INVALID_PARAMETER_MIX)
+ || NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
+ /* Try another password set mechanism */
+ continue;
+ }
+ break;
+ }
+
+ return status;
+}
/*
* set a password with DCERPC/SAMR calls
+ * 1. connect to the SAMR pipe of users domain PDC (maybe a standalone server or workstation)
+ * is it correct to contact the the pdc of the domain of the user who's password should be set?
+ * 2. do a samr_Connect to get a policy handle
+ * 3. do a samr_LookupDomain to get the domain sid
+ * 4. do a samr_OpenDomain to get a domain handle
+ * 5. do a samr_LookupNames to get the users rid
+ * 6. do a samr_OpenUser to get a user handle
+ * 7 call libnet_SetPassword_samr_handle to set the password
*/
-static NTSTATUS libnet_SetPassword_rpc(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, union libnet_SetPassword *r)
+static NTSTATUS libnet_SetPassword_samr(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, union libnet_SetPassword *r)
{
- return NT_STATUS_NOT_IMPLEMENTED;
+ NTSTATUS status;
+ struct libnet_RpcConnect c;
+ struct samr_Connect sc;
+ struct policy_handle p_handle;
+ struct samr_LookupDomain ld;
+ struct dom_sid2 *sid = NULL;
+ struct lsa_String d_name;
+ struct samr_OpenDomain od;
+ struct policy_handle d_handle;
+ struct samr_LookupNames ln;
+ struct samr_Ids rids, types;
+ struct samr_OpenUser ou;
+ struct policy_handle u_handle;
+ union libnet_SetPassword r2;
+
+ ZERO_STRUCT(c);
+ /* prepare connect to the SAMR pipe of users domain PDC */
+ c.level = LIBNET_RPC_CONNECT_PDC;
+ c.in.name = r->samr.in.domain_name;
+ c.in.dcerpc_iface = &ndr_table_samr;
+
+ /* 1. connect to the SAMR pipe of users domain PDC (maybe a standalone server or workstation) */
+ status = libnet_RpcConnect(ctx, mem_ctx, &c);
+ if (!NT_STATUS_IS_OK(status)) {
+ r->samr.out.error_string = talloc_asprintf(mem_ctx,
+ "Connection to SAMR pipe of PDC of domain '%s' failed: %s",
+ r->samr.in.domain_name, nt_errstr(status));
+ return status;
+ }
+
+ /* prepare samr_Connect */
+ ZERO_STRUCT(p_handle);
+ sc.in.system_name = NULL;
+ sc.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
+ sc.out.connect_handle = &p_handle;
+
+ /* 2. do a samr_Connect to get a policy handle */
+ status = dcerpc_samr_Connect(c.out.dcerpc_pipe, mem_ctx, &sc);
+ if (!NT_STATUS_IS_OK(status)) {
+ r->samr.out.error_string = talloc_asprintf(mem_ctx,
+ "samr_Connect failed: %s",
+ nt_errstr(status));
+ goto disconnect;
+ }
+
+ /* prepare samr_LookupDomain */
+ d_name.string = r->samr.in.domain_name;
+ ld.in.connect_handle = &p_handle;
+ ld.in.domain_name = &d_name;
+ ld.out.sid = &sid;
+
+ /* 3. do a samr_LookupDomain to get the domain sid */
+ status = dcerpc_samr_LookupDomain(c.out.dcerpc_pipe, mem_ctx, &ld);
+ if (!NT_STATUS_IS_OK(status)) {
+ r->samr.out.error_string = talloc_asprintf(mem_ctx,
+ "samr_LookupDomain for [%s] failed: %s",
+ r->samr.in.domain_name, nt_errstr(status));
+ goto disconnect;
+ }
+
+ /* prepare samr_OpenDomain */
+ ZERO_STRUCT(d_handle);
+ od.in.connect_handle = &p_handle;
+ od.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
+ od.in.sid = *ld.out.sid;
+ od.out.domain_handle = &d_handle;
+
+ /* 4. do a samr_OpenDomain to get a domain handle */
+ status = dcerpc_samr_OpenDomain(c.out.dcerpc_pipe, mem_ctx, &od);
+ if (!NT_STATUS_IS_OK(status)) {
+ r->samr.out.error_string = talloc_asprintf(mem_ctx,
+ "samr_OpenDomain for [%s] failed: %s",
+ r->samr.in.domain_name, nt_errstr(status));
+ goto disconnect;
+ }
+
+ /* prepare samr_LookupNames */
+ ln.in.domain_handle = &d_handle;
+ ln.in.num_names = 1;
+ ln.in.names = talloc_array(mem_ctx, struct lsa_String, 1);
+ ln.out.rids = &rids;
+ ln.out.types = &types;
+ if (!ln.in.names) {
+ r->samr.out.error_string = "Out of Memory";
+ return NT_STATUS_NO_MEMORY;
+ }
+ ln.in.names[0].string = r->samr.in.account_name;
+
+ /* 5. do a samr_LookupNames to get the users rid */
+ status = dcerpc_samr_LookupNames(c.out.dcerpc_pipe, mem_ctx, &ln);
+ if (!NT_STATUS_IS_OK(status)) {
+ r->samr.out.error_string = talloc_asprintf(mem_ctx,
+ "samr_LookupNames for [%s] failed: %s",
+ r->samr.in.account_name, nt_errstr(status));
+ goto disconnect;
+ }
+
+ /* check if we got one RID for the user */
+ if (ln.out.rids->count != 1) {
+ r->samr.out.error_string = talloc_asprintf(mem_ctx,
+ "samr_LookupNames for [%s] returns %d RIDs",
+ r->samr.in.account_name, ln.out.rids->count);
+ status = NT_STATUS_INVALID_PARAMETER;
+ goto disconnect;
+ }
+
+ /* prepare samr_OpenUser */
+ ZERO_STRUCT(u_handle);
+ ou.in.domain_handle = &d_handle;
+ ou.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
+ ou.in.rid = ln.out.rids->ids[0];
+ ou.out.user_handle = &u_handle;
+
+ /* 6. do a samr_OpenUser to get a user handle */
+ status = dcerpc_samr_OpenUser(c.out.dcerpc_pipe, mem_ctx, &ou);
+ if (!NT_STATUS_IS_OK(status)) {
+ r->samr.out.error_string = talloc_asprintf(mem_ctx,
+ "samr_OpenUser for [%s] failed: %s",
+ r->samr.in.account_name, nt_errstr(status));
+ goto disconnect;
+ }
+
+ r2.samr_handle.level = LIBNET_SET_PASSWORD_SAMR_HANDLE;
+ r2.samr_handle.in.account_name = r->samr.in.account_name;
+ r2.samr_handle.in.newpassword = r->samr.in.newpassword;
+ r2.samr_handle.in.user_handle = &u_handle;
+ r2.samr_handle.in.dcerpc_pipe = c.out.dcerpc_pipe;
+ r2.samr_handle.in.info21 = NULL;
+
+ status = libnet_SetPassword(ctx, mem_ctx, &r2);
+
+ r->generic.out.error_string = r2.samr_handle.out.error_string;
+
+disconnect:
+ /* close connection */
+ talloc_free(c.out.dcerpc_pipe);
+
+ return status;
}
static NTSTATUS libnet_SetPassword_generic(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, union libnet_SetPassword *r)
{
- return NT_STATUS_NOT_IMPLEMENTED;
+ NTSTATUS status;
+ union libnet_SetPassword r2;
+
+ r2.samr.level = LIBNET_SET_PASSWORD_SAMR;
+ r2.samr.in.account_name = r->generic.in.account_name;
+ r2.samr.in.domain_name = r->generic.in.domain_name;
+ r2.samr.in.newpassword = r->generic.in.newpassword;
+
+ r->generic.out.error_string = "Unknown Error";
+ status = libnet_SetPassword(ctx, mem_ctx, &r2);
+
+ r->generic.out.error_string = r2.samr.out.error_string;
+
+ return status;
}
NTSTATUS libnet_SetPassword(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, union libnet_SetPassword *r)
switch (r->generic.level) {
case LIBNET_SET_PASSWORD_GENERIC:
return libnet_SetPassword_generic(ctx, mem_ctx, r);
- case LIBNET_SET_PASSWORD_RPC:
- return libnet_SetPassword_rpc(ctx, mem_ctx, r);
+ case LIBNET_SET_PASSWORD_SAMR:
+ return libnet_SetPassword_samr(ctx, mem_ctx, r);
+ case LIBNET_SET_PASSWORD_SAMR_HANDLE:
+ return libnet_SetPassword_samr_handle(ctx, mem_ctx, r);
+ case LIBNET_SET_PASSWORD_SAMR_HANDLE_26:
+ return libnet_SetPassword_samr_handle_26(ctx, mem_ctx, r);
+ case LIBNET_SET_PASSWORD_SAMR_HANDLE_25:
+ return libnet_SetPassword_samr_handle_25(ctx, mem_ctx, r);
+ case LIBNET_SET_PASSWORD_SAMR_HANDLE_24:
+ return libnet_SetPassword_samr_handle_24(ctx, mem_ctx, r);
+ case LIBNET_SET_PASSWORD_SAMR_HANDLE_23:
+ return libnet_SetPassword_samr_handle_23(ctx, mem_ctx, r);
case LIBNET_SET_PASSWORD_KRB5:
return NT_STATUS_NOT_IMPLEMENTED;
case LIBNET_SET_PASSWORD_LDAP: