From d3e7a22630aa931d55ed44a695a0b05344bc6098 Mon Sep 17 00:00:00 2001 From: Stefan Metzmacher Date: Mon, 16 Aug 2004 16:52:57 +0000 Subject: r1836: - as abartlet said to me, we need to contact the users domain pdcfor doing a password change - add start of libnet_SetPassword - use KRB5 and LDAP instead of ADS as ADS isn't a protocol - add start of lib_rpc_connect() metze (This used to be commit 05c40dca8ad1ab020aa75282da046f1dbce2a52a) --- source4/libnet/config.mk | 4 +- source4/libnet/libnet.h | 90 ++++++++++++++++++++++++++++++++++++++-- source4/libnet/libnet_passwd.c | 94 ++++++++++++++++++++++++++++++------------ source4/libnet/libnet_rpc.c | 27 ++++++++++++ 4 files changed, 185 insertions(+), 30 deletions(-) create mode 100644 source4/libnet/libnet_rpc.c (limited to 'source4/libnet') diff --git a/source4/libnet/config.mk b/source4/libnet/config.mk index ab2861f540..1918f2e095 100644 --- a/source4/libnet/config.mk +++ b/source4/libnet/config.mk @@ -1,6 +1,8 @@ ################################# # Start SUBSYSTEM LIBNET [SUBSYSTEM::LIBNET] -ADD_OBJ_FILES = libnet/libnet_password.o +ADD_OBJ_FILES = \ + libnet/libnet_passwd.o \ + libnet/libnet_rpc.o # End SUBSYSTEM LIBNET ################################# diff --git a/source4/libnet/libnet.h b/source4/libnet/libnet.h index f1ea6f4b02..65dba4ff78 100644 --- a/source4/libnet/libnet.h +++ b/source4/libnet/libnet.h @@ -20,14 +20,43 @@ struct libnet_context { TALLOC_CTX *mem_ctx; + + /* here we need: + * a client env context + * a user env context + */ +}; + +/* struct and enum for connecting to a dcerpc inferface */ +enum libnet_rpc_connect_level { + LIBNET_RPC_CONNECT_PDC +}; + +union libnet_rpc_connect { + /* connect to a domains PDC */ + struct { + enum libnet_rpc_connect_level level; + + struct { + const char *domain_name; + const char *dcerpc_iface_name; + const char *dcerpc_iface_uuid; + uint32 dcerpc_iface_version; + } in; + + struct { + struct dcerpc_pipe *dcerpc_pipe; + } out; + } pdc; }; -/* struct for doing a remote password change */ +/* struct and enum 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_KRB5, + LIBNET_CHANGE_PASSWORD_LDAP, LIBNET_CHANGE_PASSWORD_RAP }; @@ -57,11 +86,66 @@ union libnet_ChangePassword { enum libnet_ChangePassword_level level; struct _libnet_ChangePassword_in in; struct _libnet_ChangePassword_out out; - } ads; + } krb5; struct { enum libnet_ChangePassword_level level; struct _libnet_ChangePassword_in in; struct _libnet_ChangePassword_out out; + } ldap; + + struct { + enum libnet_ChangePassword_level level; + struct _libnet_ChangePassword_in in; + struct _libnet_ChangePassword_out out; + } rap; +}; + +/* struct and enum for doing a remote password set */ +enum libnet_SetPassword_level { + LIBNET_SET_PASSWORD_GENERIC, + LIBNET_SET_PASSWORD_RPC, + LIBNET_SET_PASSWORD_KRB5, + LIBNET_SET_PASSWORD_LDAP, + LIBNET_SET_PASSWORD_RAP +}; + +union libnet_SetPassword { + struct { + enum libnet_SetPassword_level level; + + struct _libnet_SetPassword_in { + const char *account_name; + const char *domain_name; + const char *newpassword; + } in; + + struct _libnet_SetPassword_out { + const char *error_string; + } out; + } generic; + + struct { + enum libnet_SetPassword_level level; + struct _libnet_SetPassword_in in; + struct _libnet_SetPassword_out out; + } rpc; + + struct { + enum libnet_SetPassword_level level; + struct _libnet_SetPassword_in in; + struct _libnet_SetPassword_out out; + } krb5; + + struct { + enum libnet_SetPassword_level level; + struct _libnet_SetPassword_in in; + struct _libnet_SetPassword_out out; + } ldap; + + struct { + enum libnet_ChangePassword_level level; + struct _libnet_SetPassword_in in; + struct _libnet_SetPassword_out out; } rap; }; diff --git a/source4/libnet/libnet_passwd.c b/source4/libnet/libnet_passwd.c index edf0d27b95..6164aed9ad 100644 --- a/source4/libnet/libnet_passwd.c +++ b/source4/libnet/libnet_passwd.c @@ -18,14 +18,17 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ +#include "includes.h" + /* - * 1. connect to the SAMR pipe of *our* PDC + * 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 */ -static NTSTATUS libnet_ChangePassword_rpc(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct net_ChangePassword *r) +static NTSTATUS libnet_ChangePassword_rpc(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, union libnet_ChangePassword *r) { NTSTATUS status; - struct dcerpc_pipe *p = NULL; + union libnet_rpc_connect c; struct samr_ChangePasswordUser3 pw3; struct samr_Name server, account; struct samr_CryptPassword nt_pass, lm_pass; @@ -33,13 +36,15 @@ static NTSTATUS libnet_ChangePassword_rpc(struct libnet_context *ctx, TALLOC_CTX 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); + /* 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; + + /* do connect to the SAMR pipe of the */ + status = libnet_rpc_connect(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", @@ -47,8 +52,9 @@ static NTSTATUS libnet_ChangePassword_rpc(struct libnet_context *ctx, TALLOC_CTX return status; } - server.name = talloc_asprintf(mem_ctx, "\\\\%s", dcerpc_server_name(p)); - init_samr_Name(&account, r->rpc.in.account_name); + /* 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; E_md4hash(r->rpc.in.oldpassword, old_nt_hash); E_md4hash(r->rpc.in.newpassword, new_nt_hash); @@ -73,44 +79,80 @@ static NTSTATUS libnet_ChangePassword_rpc(struct libnet_context *ctx, TALLOC_CTX pw3.in.lm_verifier = &lm_verifier; pw3.in.password3 = NULL; - status = dcerpc_samr_ChangePassword3(p, mem_ctx, &pw3); + /* 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); - return status; + "ChangePassword3 failed: %s\n",nt_errstr(status)); + goto disconnect; } - if (!NT_STATUS_IS_OK(r->rpc.out.result)) { + /* 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, nt_errstr(status)); /* TODO: give the reason of the reject */ - return status; - + goto disconnect; } - dcerpc_diconnect(&p); +disconnect: + /* close connection */ + dcerpc_pipe_close(c.pdc.out.dcerpc_pipe); - return NT_STATUS_OK; + return status; } -static NTSTATUS libnet_ChangePassword_generic(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct net_ChangePassword *r) +static NTSTATUS libnet_ChangePassword_generic(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, union libnet_ChangePassword *r) { - return NT_STATUS_NOT_IMPLEMTED; + return NT_STATUS_NOT_IMPLEMENTED; } -NTSTATUS libnet_ChangePassword(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct net_ChangePassword *r) +NTSTATUS libnet_ChangePassword(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, union libnet_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_KRB5: + return NT_STATUS_NOT_IMPLEMENTED; + case LIBNET_CHANGE_PASSWORD_LDAP: + return NT_STATUS_NOT_IMPLEMENTED; case LIBNET_CHANGE_PASSWORD_RAP: - return NT_STATUS_NOT_IMPLEMTED; + return NT_STATUS_NOT_IMPLEMENTED; + } + + return NT_STATUS_INVALID_LEVEL; +} + +/* + * set a password with DCERPC/SAMR calls + */ +static NTSTATUS libnet_SetPassword_rpc(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, union libnet_SetPassword *r) +{ + return NT_STATUS_NOT_IMPLEMENTED; +} + +static NTSTATUS libnet_SetPassword_generic(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, union libnet_SetPassword *r) +{ + return NT_STATUS_NOT_IMPLEMENTED; +} + +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_KRB5: + return NT_STATUS_NOT_IMPLEMENTED; + case LIBNET_SET_PASSWORD_LDAP: + return NT_STATUS_NOT_IMPLEMENTED; + case LIBNET_SET_PASSWORD_RAP: + return NT_STATUS_NOT_IMPLEMENTED; } return NT_STATUS_INVALID_LEVEL; diff --git a/source4/libnet/libnet_rpc.c b/source4/libnet/libnet_rpc.c new file mode 100644 index 0000000000..0ab07fa4a5 --- /dev/null +++ b/source4/libnet/libnet_rpc.c @@ -0,0 +1,27 @@ +/* + 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. +*/ + +#include "includes.h" + +/* connect to a dcerpc interface */ +NTSTATUS libnet_rpc_connect(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, union libnet_rpc_connect *r) +{ + return NT_STATUS_NOT_IMPLEMENTED; +} -- cgit