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-rw-r--r--source4/libnet/config.m41
-rw-r--r--source4/libnet/config.mk6
-rw-r--r--source4/libnet/libnet.h67
-rw-r--r--source4/libnet/libnet_passwd.c117
4 files changed, 191 insertions, 0 deletions
diff --git a/source4/libnet/config.m4 b/source4/libnet/config.m4
new file mode 100644
index 0000000000..7246db1945
--- /dev/null
+++ b/source4/libnet/config.m4
@@ -0,0 +1 @@
+SMB_SUBSYSTEM_MK(LIBNET,libnet/config.mk)
diff --git a/source4/libnet/config.mk b/source4/libnet/config.mk
new file mode 100644
index 0000000000..ab2861f540
--- /dev/null
+++ b/source4/libnet/config.mk
@@ -0,0 +1,6 @@
+#################################
+# Start SUBSYSTEM LIBNET
+[SUBSYSTEM::LIBNET]
+ADD_OBJ_FILES = libnet/libnet_password.o
+# End SUBSYSTEM LIBNET
+#################################
diff --git a/source4/libnet/libnet.h b/source4/libnet/libnet.h
new file mode 100644
index 0000000000..f1ea6f4b02
--- /dev/null
+++ b/source4/libnet/libnet.h
@@ -0,0 +1,67 @@
+/*
+ Unix SMB/CIFS implementation.
+
+ Copyright (C) Stefan Metzmacher 2004
+
+ 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
+ (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, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+struct libnet_context {
+ TALLOC_CTX *mem_ctx;
+};
+
+/* struct for doing a remote password change */
+
+enum libnet_ChangePassword_level {
+ LIBNET_CHANGE_PASSWORD_GENERIC,
+ LIBNET_CHANGE_PASSWORD_RPC,
+ LIBNET_CHANGE_PASSWORD_ADS,
+ LIBNET_CHANGE_PASSWORD_RAP
+};
+
+union libnet_ChangePassword {
+ struct {
+ enum libnet_ChangePassword_level level;
+
+ struct _libnet_ChangePassword_in {
+ const char *account_name;
+ const char *domain_name;
+ const char *oldpassword;
+ const char *newpassword;
+ } in;
+
+ struct _libnet_ChangePassword_out {
+ const char *error_string;
+ } out;
+ } generic;
+
+ struct {
+ enum libnet_ChangePassword_level level;
+ struct _libnet_ChangePassword_in in;
+ struct _libnet_ChangePassword_out out;
+ } rpc;
+
+ struct {
+ enum libnet_ChangePassword_level level;
+ struct _libnet_ChangePassword_in in;
+ struct _libnet_ChangePassword_out out;
+ } ads;
+
+ struct {
+ enum libnet_ChangePassword_level level;
+ struct _libnet_ChangePassword_in in;
+ struct _libnet_ChangePassword_out out;
+ } rap;
+};
diff --git a/source4/libnet/libnet_passwd.c b/source4/libnet/libnet_passwd.c
new file mode 100644
index 0000000000..edf0d27b95
--- /dev/null
+++ b/source4/libnet/libnet_passwd.c
@@ -0,0 +1,117 @@
+/*
+ Unix SMB/CIFS implementation.
+
+ Copyright (C) Stefan Metzmacher 2004
+
+ 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
+ (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, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+/*
+ * 1. connect to the SAMR pipe of *our* PDC
+ * 2. try samr_ChangePassword3
+ */
+static NTSTATUS libnet_ChangePassword_rpc(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct net_ChangePassword *r)
+{
+ NTSTATUS status;
+ struct dcerpc_pipe *p = NULL;
+ struct samr_ChangePasswordUser3 pw3;
+ struct samr_Name server, 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];
+
+ /* connect to the SAMR pipe of the */
+ status = libnet_rpc_connect_pdc(ctx, mem_ctx,
+ r->rpc.in.domain_name,
+ DCERPC_SAMR_NAME,
+ DCERPC_SAMR_UUID,
+ DCERPC_SAMR_VERSION,
+ &p);
+ 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);
+ return status;
+ }
+
+ server.name = talloc_asprintf(mem_ctx, "\\\\%s", dcerpc_server_name(p));
+ init_samr_Name(&account, r->rpc.in.account_name);
+
+ E_md4hash(r->rpc.in.oldpassword, old_nt_hash);
+ E_md4hash(r->rpc.in.newpassword, new_nt_hash);
+
+ E_deshash(r->rpc.in.oldpassword, old_lm_hash);
+ E_deshash(r->rpc.in.newpassword, new_lm_hash);
+
+ encode_pw_buffer(lm_pass.data, r->rpc.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);
+ arcfour_crypt(nt_pass.data, old_nt_hash, 516);
+ E_old_pw_hash(new_nt_hash, old_nt_hash, nt_verifier.hash);
+
+ pw3.in.server = &server;
+ pw3.in.account = &account;
+ pw3.in.nt_password = &nt_pass;
+ pw3.in.nt_verifier = &nt_verifier;
+ pw3.in.lm_change = 1;
+ pw3.in.lm_password = &lm_pass;
+ pw3.in.lm_verifier = &lm_verifier;
+ pw3.in.password3 = NULL;
+
+ status = dcerpc_samr_ChangePassword3(p, 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);
+ return status;
+ }
+
+ if (!NT_STATUS_IS_OK(r->rpc.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,
+ nt_errstr(status));
+ /* TODO: give the reason of the reject */
+ return status;
+
+ }
+
+ dcerpc_diconnect(&p);
+
+ return NT_STATUS_OK;
+}
+
+static NTSTATUS libnet_ChangePassword_generic(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct net_ChangePassword *r)
+{
+ return NT_STATUS_NOT_IMPLEMTED;
+}
+
+NTSTATUS libnet_ChangePassword(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct net_ChangePassword *r)
+{
+ 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_ADS:
+ return NT_STATUS_NOT_IMPLEMTED;
+ case LIBNET_CHANGE_PASSWORD_RAP:
+ return NT_STATUS_NOT_IMPLEMTED;
+ }
+
+ return NT_STATUS_INVALID_LEVEL;
+}
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