Some more cleanup in authdata.c.
[gd/samba/.git] / source / libads / authdata.c
index 1f90f76267169d9aaedc37644d908870ca884a94..79972875acfd9f57252514c5c60930eb531a9a61 100644 (file)
@@ -1,23 +1,23 @@
-/* 
+/*
    Unix SMB/CIFS implementation.
    kerberos authorization data (PAC) utility library
-   Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2003   
+   Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2003
    Copyright (C) Andrew Bartlett <abartlet@samba.org> 2004-2005
    Copyright (C) Andrew Tridgell 2001
    Copyright (C) Luke Howard 2002-2003
    Copyright (C) Stefan Metzmacher 2004-2005
    Copyright (C) Guenther Deschner 2005,2007
-   
+
    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/>.
 */
 
 #ifdef HAVE_KRB5
 
-static bool pac_io_logon_name(const char *desc, PAC_LOGON_NAME *logon_name,
-                             prs_struct *ps, int depth)
-{
-       if (NULL == logon_name)
-               return False;
-
-       prs_debug(ps, depth, desc, "pac_io_logon_name");
-       depth++;
-
-       if (!smb_io_time("logon_time", &logon_name->logon_time, ps, depth))
-               return False;
-
-       if (!prs_uint16("len", ps, depth, &logon_name->len))
-               return False;
-
-       /* The following string is always in little endian 16 bit values,
-          copy as 8 bits to avoid endian reversal on big-endian machines.
-          len is the length in bytes. */
-
-       if (UNMARSHALLING(ps) && logon_name->len) {
-               logon_name->username = PRS_ALLOC_MEM(ps, uint8, logon_name->len);
-               if (!logon_name->username) {
-                       DEBUG(3, ("No memory available\n"));
-                       return False;
-               }
-       }
-
-       if (!prs_uint8s(True, "name", ps, depth, logon_name->username, logon_name->len))
-               return False;
-
-       return True;
-}
-
-#if 0 /* Unused (handled now in net_io_user_info3()) - Guenther */
-static bool pac_io_krb_sids(const char *desc, KRB_SID_AND_ATTRS *sid_and_attr,
-                           prs_struct *ps, int depth)
-{
-       if (NULL == sid_and_attr)
-               return False;
-
-       prs_debug(ps, depth, desc, "pac_io_krb_sids");
-       depth++;
-
-       if (UNMARSHALLING(ps)) {
-               sid_and_attr->sid = PRS_ALLOC_MEM(ps, DOM_SID2, 1);
-               if (!sid_and_attr->sid) {
-                       DEBUG(3, ("No memory available\n"));
-                       return False;
-               }
-       }
-
-       if(!smb_io_dom_sid2("sid", sid_and_attr->sid, ps, depth))
-               return False;
-
-       return True;
-}
-
-
-static bool pac_io_krb_attrs(const char *desc, KRB_SID_AND_ATTRS *sid_and_attr,
-                            prs_struct *ps, int depth)
-{
-       if (NULL == sid_and_attr)
-               return False;
-
-       prs_debug(ps, depth, desc, "pac_io_krb_attrs");
-       depth++;
-
-       if (!prs_uint32("sid_ptr", ps, depth, &sid_and_attr->sid_ptr))
-               return False;
-       if (!prs_uint32("attrs", ps, depth, &sid_and_attr->attrs))
-               return False;
-
-       return True;
-}
-
-static bool pac_io_krb_sid_and_attr_array(const char *desc, 
-                                         KRB_SID_AND_ATTR_ARRAY *array,
-                                         uint32 num,
-                                         prs_struct *ps, int depth)
-{
-       int i;
-
-       if (NULL == array)
-               return False;
-
-       prs_debug(ps, depth, desc, "pac_io_krb_sid_and_attr_array");
-       depth++;
-
-
-       if (!prs_uint32("count", ps, depth, &array->count))
-               return False;
-
-       if (UNMARSHALLING(ps)) {
-               if (num) {
-                       array->krb_sid_and_attrs = PRS_ALLOC_MEM(ps, KRB_SID_AND_ATTRS, num);
-                       if (!array->krb_sid_and_attrs) {
-                               DEBUG(3, ("No memory available\n"));
-                               return False;
-                       }
-               } else {
-                       array->krb_sid_and_attrs = NULL;
-               }
-       }
-
-       for (i=0; i<num; i++) {
-               if (!pac_io_krb_attrs(desc, 
-                                     &array->krb_sid_and_attrs[i],
-                                     ps, depth))
-                       return False;
-
-       }
-       for (i=0; i<num; i++) {
-               if (!pac_io_krb_sids(desc, 
-                                    &array->krb_sid_and_attrs[i],
-                                    ps, depth))
-                       return False;
-
-       }
-
-       return True;
-
-}
-#endif
-
-static bool pac_io_group_membership(const char *desc, 
-                                   GROUP_MEMBERSHIP *membership,
-                                   prs_struct *ps, int depth)
-{
-       if (NULL == membership)
-               return False;
-
-       prs_debug(ps, depth, desc, "pac_io_group_membership");
-       depth++;
-
-       if (!prs_uint32("rid", ps, depth, &membership->rid))
-               return False;
-       if (!prs_uint32("attrs", ps, depth, &membership->attrs))
-               return False;
-
-       return True;
-}
-
-
-static bool pac_io_group_membership_array(const char *desc, 
-                                         GROUP_MEMBERSHIP_ARRAY *array,
-                                         uint32 num,
-                                         prs_struct *ps, int depth)
-{
-       int i;
-
-       if (NULL == array)
-               return False;
-
-       prs_debug(ps, depth, desc, "pac_io_group_membership_array");
-       depth++;
-
-
-       if (!prs_uint32("count", ps, depth, &array->count))
-               return False;
-
-       if (UNMARSHALLING(ps)) {
-               if (num) {
-                       array->group_membership = PRS_ALLOC_MEM(ps, GROUP_MEMBERSHIP, num);
-                       if (!array->group_membership) {
-                               DEBUG(3, ("No memory available\n"));
-                               return False;
-                       }
-               } else {
-                       array->group_membership = NULL;
-               }
-       }
-
-       for (i=0; i<num; i++) {
-               if (!pac_io_group_membership(desc, 
-                                            &array->group_membership[i],
-                                            ps, depth))
-                       return False;
-
-       }
-
-       return True;
-
-}
-
-#if 0 /* Unused, replaced using an expanded net_io_user_info3() now - Guenther */
-static bool pac_io_pac_logon_info(const char *desc, PAC_LOGON_INFO *info, 
-                                 prs_struct *ps, int depth)
-{
-       uint32 garbage = 0, i;
-
-       if (NULL == info)
-               return False;
-
-       prs_debug(ps, depth, desc, "pac_io_pac_logon_info");
-       depth++;
-
-       if (!prs_align(ps))
-               return False;
-       if (!prs_uint32("unknown", ps, depth, &garbage)) /* 00081001 */
-               return False;
-       if (!prs_uint32("unknown", ps, depth, &garbage)) /* cccccccc */
-               return False;
-       if (!prs_uint32("bufferlen", ps, depth, &garbage))
-               return False;
-       if (!prs_uint32("bufferlenhi", ps, depth, &garbage)) /* 00000000 */
-               return False;
-
-       if (!prs_uint32("pointer", ps, depth, &garbage))
-               return False;
-
-       if (!prs_align(ps))
-               return False;
-       if (!smb_io_time("logon_time", &info->logon_time, ps, depth))
-               return False;
-       if (!smb_io_time("logoff_time", &info->logoff_time, ps, depth))
-               return False;
-       if (!smb_io_time("kickoff_time", &info->kickoff_time, ps, depth))
-               return False;
-       if (!smb_io_time("pass_last_set_time", &info->pass_last_set_time, 
-                        ps, depth))
-               return False;
-       if (!smb_io_time("pass_can_change_time", &info->pass_can_change_time, 
-                        ps, depth))
-               return False;
-       if (!smb_io_time("pass_must_change_time", &info->pass_must_change_time,
-                        ps, depth))
-               return False;
-
-       if (!smb_io_unihdr("hdr_user_name", &info->hdr_user_name, ps, depth))
-               return False;
-       if (!smb_io_unihdr("hdr_full_name", &info->hdr_full_name, ps, depth))
-               return False;
-       if (!smb_io_unihdr("hdr_logon_script", &info->hdr_logon_script, 
-                          ps, depth))
-               return False;
-       if (!smb_io_unihdr("hdr_profile_path", &info->hdr_profile_path, 
-                          ps, depth))
-               return False;
-       if (!smb_io_unihdr("hdr_home_dir", &info->hdr_home_dir, ps, depth))
-               return False;
-       if (!smb_io_unihdr("hdr_dir_drive", &info->hdr_dir_drive, ps, depth))
-               return False;
-
-       if (!prs_uint16("logon_count", ps, depth, &info->logon_count))
-               return False;
-       if (!prs_uint16("bad_password_count", ps, depth, &info->bad_password_count))
-               return False;
-       if (!prs_uint32("user_rid", ps, depth, &info->user_rid))
-               return False;
-       if (!prs_uint32("group_rid", ps, depth, &info->group_rid))
-               return False;
-       if (!prs_uint32("group_count", ps, depth, &info->group_count))
-               return False;
-       /* I haven't seen this contain anything yet, but when it does
-          we will have to make sure we decode the contents in the middle
-          all the unistr2s ... */
-       if (!prs_uint32("group_mem_ptr", ps, depth, 
-                       &info->group_membership_ptr))
-               return False;
-       if (!prs_uint32("user_flags", ps, depth, &info->user_flags))
-               return False;
-
-       if (!prs_uint8s(False, "session_key", ps, depth, info->session_key, 16)) 
-               return False;
-       
-       if (!smb_io_unihdr("hdr_dom_controller", 
-                          &info->hdr_dom_controller, ps, depth))
-               return False;
-       if (!smb_io_unihdr("hdr_dom_name", &info->hdr_dom_name, ps, depth))
-               return False;
-
-       /* this should be followed, but just get ptr for now */
-       if (!prs_uint32("ptr_dom_sid", ps, depth, &info->ptr_dom_sid))
-               return False;
-
-       if (!prs_uint8s(False, "lm_session_key", ps, depth, info->lm_session_key, 8)) 
-               return False;
-
-       if (!prs_uint32("acct_flags", ps, depth, &info->acct_flags))
-               return False;
-
-       for (i = 0; i < 7; i++)
-       {
-               if (!prs_uint32("unkown", ps, depth, &info->unknown[i])) /* unknown */
-                        return False;
-       }
-
-       if (!prs_uint32("sid_count", ps, depth, &info->sid_count))
-               return False;
-       if (!prs_uint32("ptr_extra_sids", ps, depth, &info->ptr_extra_sids))
-               return False;
-       if (!prs_uint32("ptr_res_group_dom_sid", ps, depth, 
-                       &info->ptr_res_group_dom_sid))
-               return False;
-       if (!prs_uint32("res_group_count", ps, depth, &info->res_group_count))
-               return False;
-       if (!prs_uint32("ptr_res_groups", ps, depth, &info->ptr_res_groups))
-               return False;
-
-       if(!smb_io_unistr2("uni_user_name", &info->uni_user_name, 
-                          info->hdr_user_name.buffer, ps, depth))
-               return False;
-       if(!smb_io_unistr2("uni_full_name", &info->uni_full_name, 
-                          info->hdr_full_name.buffer, ps, depth))
-               return False;
-       if(!smb_io_unistr2("uni_logon_script", &info->uni_logon_script, 
-                          info->hdr_logon_script.buffer, ps, depth))
-               return False;
-       if(!smb_io_unistr2("uni_profile_path", &info->uni_profile_path,
-                          info->hdr_profile_path.buffer, ps, depth))
-               return False;
-       if(!smb_io_unistr2("uni_home_dir", &info->uni_home_dir,
-                          info->hdr_home_dir.buffer, ps, depth))
-               return False;
-       if(!smb_io_unistr2("uni_dir_drive", &info->uni_dir_drive,
-                          info->hdr_dir_drive.buffer, ps, depth))
-               return False;
-
-       if (info->group_membership_ptr) {
-               if (!pac_io_group_membership_array("group membership",
-                                                  &info->groups,
-                                                  info->group_count,
-                                                  ps, depth))
-                       return False;
-       }
-
-
-       if(!smb_io_unistr2("uni_dom_controller", &info->uni_dom_controller,
-                          info->hdr_dom_controller.buffer, ps, depth))
-               return False;
-       if(!smb_io_unistr2("uni_dom_name", &info->uni_dom_name, 
-                          info->hdr_dom_name.buffer, ps, depth))
-               return False;
-
-       if(info->ptr_dom_sid)
-               if(!smb_io_dom_sid2("dom_sid", &info->dom_sid, ps, depth))
-                       return False;
-
-       
-       if (info->sid_count && info->ptr_extra_sids)
-               if (!pac_io_krb_sid_and_attr_array("extra_sids", 
-                                                  &info->extra_sids,
-                                                  info->sid_count,
-                                                  ps, depth))
-                       return False;
-
-       if (info->ptr_res_group_dom_sid)
-               if (!smb_io_dom_sid2("res_group_dom_sid", 
-                                    &info->res_group_dom_sid, ps, depth))
-                       return False;
-
-       if (info->ptr_res_groups) {
-
-               if (!(info->user_flgs & LOGON_RESOURCE_GROUPS)) {
-                       DEBUG(0,("user_flgs attribute does not have LOGON_RESOURCE_GROUPS\n"));
-                       /* return False; */
-               }
-
-               if (!pac_io_group_membership_array("res group membership",
-                                                  &info->res_groups,
-                                                  info->res_group_count,
-                                                  ps, depth))
-                       return False;
-       }
-
-       return True;
-}
-#endif
-
-static bool pac_io_pac_logon_info(const char *desc, PAC_LOGON_INFO *info, 
-                                 prs_struct *ps, int depth)
-{
-       uint32 garbage = 0;
-       bool kerb_validation_info = True;
-
-       if (NULL == info)
-               return False;
-
-       prs_debug(ps, depth, desc, "pac_io_pac_logon_info");
-       depth++;
-
-       if (!prs_align(ps))
-               return False;
-       if (!prs_uint32("unknown", ps, depth, &garbage)) /* 00081001 */
-               return False;
-       if (!prs_uint32("unknown", ps, depth, &garbage)) /* cccccccc */
-               return False;
-       if (!prs_uint32("bufferlen", ps, depth, &garbage))
-               return False;
-       if (!prs_uint32("bufferlenhi", ps, depth, &garbage)) /* 00000000 */
-               return False;
-
-       if(!net_io_user_info3("", &info->info3, ps, depth, 3, kerb_validation_info))
-               return False;
-
-       if (info->info3.ptr_res_group_dom_sid) {
-               if (!smb_io_dom_sid2("res_group_dom_sid", 
-                                    &info->res_group_dom_sid, ps, depth))
-                       return False;
-       }
-
-       if (info->info3.ptr_res_groups) {
-
-               if (!(info->info3.user_flgs & NETLOGON_RESOURCE_GROUPS)) {
-                       DEBUG(0,("user_flgs attribute does not have NETLOGON_RESOURCE_GROUPS\n"));
-                       /* return False; */
-               }
-
-               if (!pac_io_group_membership_array("res group membership",
-                                                  &info->res_groups,
-                                                  info->info3.res_group_count,
-                                                  ps, depth))
-                       return False;
-       }
-
-       return True;
-}
-
-
-
-static bool pac_io_pac_signature_data(const char *desc, 
-                                     PAC_SIGNATURE_DATA *data, uint32 length,
-                                     prs_struct *ps, int depth)
-{
-       uint32 siglen = 0;
-
-       prs_debug(ps, depth, desc, "pac_io_pac_signature_data");
-       depth++;
-
-       if (data == NULL)
-               return False;
-
-       if (!prs_align(ps))
-               return False;
-       if (!prs_uint32("type", ps, depth, &data->type))
-               return False;
-
-       if ( length > sizeof(uint32) )
-               siglen = length - sizeof(uint32);       
-
-       if (UNMARSHALLING(ps) && length) {
-               if (siglen) {
-                       data->signature.buffer = PRS_ALLOC_MEM(ps, uint8, siglen);
-                       if (!data->signature.buffer) {
-                               DEBUG(3, ("No memory available\n"));
-                               return False;
-                       }
-               } else {
-                       data->signature.buffer = NULL;
-               }
-       }
-
-       data->signature.buf_len = siglen;
-
-       if (!prs_uint8s(False, "signature", ps, depth, data->signature.buffer, data->signature.buf_len))
-               return False;
-
-
-       return True;
-}
-
-static bool pac_io_pac_info_hdr_ctr(const char *desc, PAC_BUFFER *hdr,
-                                   prs_struct *ps, int depth)
-{
-       if (NULL == hdr)
-               return False;
-
-       prs_debug(ps, depth, desc, "pac_io_pac_info_hdr_ctr");
-       depth++;
-
-       if (!prs_align(ps))
-               return False;
-
-       if (hdr->offset != prs_offset(ps)) {
-               DEBUG(5,("offset in header(x%x) and data(x%x) do not match, correcting\n",
-                        hdr->offset, prs_offset(ps)));
-               prs_set_offset(ps, hdr->offset);
-       }
-
-       if (UNMARSHALLING(ps) && hdr->size > 0) {
-               hdr->ctr = PRS_ALLOC_MEM(ps, PAC_INFO_CTR, 1);
-               if (!hdr->ctr) {
-                       DEBUG(3, ("No memory available\n"));
-                       return False;
-               }
-       }
-
-       switch(hdr->type) {
-       case PAC_TYPE_LOGON_INFO:
-               DEBUG(5, ("PAC_TYPE_LOGON_INFO\n"));
-               if (UNMARSHALLING(ps))
-                       hdr->ctr->pac.logon_info = PRS_ALLOC_MEM(ps, PAC_LOGON_INFO, 1);
-               if (!hdr->ctr->pac.logon_info) {
-                       DEBUG(3, ("No memory available\n"));
-                       return False;
-               }
-               if (!pac_io_pac_logon_info(desc, hdr->ctr->pac.logon_info,
-                                          ps, depth))
-                       return False;
-               break;
-
-       case PAC_TYPE_SERVER_CHECKSUM:
-               DEBUG(5, ("PAC_TYPE_SERVER_CHECKSUM\n"));
-               if (UNMARSHALLING(ps))
-                       hdr->ctr->pac.srv_cksum = PRS_ALLOC_MEM(ps, PAC_SIGNATURE_DATA, 1);
-               if (!hdr->ctr->pac.srv_cksum) {
-                       DEBUG(3, ("No memory available\n"));
-                       return False;
-               }
-               if (!pac_io_pac_signature_data(desc, hdr->ctr->pac.srv_cksum,
-                                              hdr->size, ps, depth))
-                       return False;
-               break;
-
-       case PAC_TYPE_PRIVSVR_CHECKSUM:
-               DEBUG(5, ("PAC_TYPE_PRIVSVR_CHECKSUM\n"));
-               if (UNMARSHALLING(ps))
-                       hdr->ctr->pac.privsrv_cksum = PRS_ALLOC_MEM(ps, PAC_SIGNATURE_DATA, 1);
-               if (!hdr->ctr->pac.privsrv_cksum) {
-                       DEBUG(3, ("No memory available\n"));
-                       return False;
-               }
-               if (!pac_io_pac_signature_data(desc, 
-                                              hdr->ctr->pac.privsrv_cksum,
-                                              hdr->size, ps, depth))
-                       return False;
-               break;
-
-       case PAC_TYPE_LOGON_NAME:
-               DEBUG(5, ("PAC_TYPE_LOGON_NAME\n"));
-               if (UNMARSHALLING(ps))
-                       hdr->ctr->pac.logon_name = PRS_ALLOC_MEM(ps, PAC_LOGON_NAME, 1);
-               if (!hdr->ctr->pac.logon_name) {
-                       DEBUG(3, ("No memory available\n"));
-                       return False;
-               }
-               if (!pac_io_logon_name(desc, hdr->ctr->pac.logon_name,
-                                           ps, depth))
-                       return False;
-               break;
-
-       default:
-               /* dont' know, so we need to skip it */
-               DEBUG(3, ("unknown PAC type %d\n", hdr->type));
-               prs_set_offset(ps, prs_offset(ps) + hdr->size);
-       }
-
-#if 0
-       /* obscure pad */
-       if (!prs_uint32("pad", ps, depth, &hdr->pad))
-               return False;
-#endif
-       return True;
-}
-
-static bool pac_io_pac_info_hdr(const char *desc, PAC_BUFFER *hdr, 
-                               prs_struct *ps, int depth)
-{
-       if (NULL == hdr)
-               return False;
-
-       prs_debug(ps, depth, desc, "pac_io_pac_info_hdr");
-       depth++;
-
-       if (!prs_align(ps))
-               return False;
-       if (!prs_uint32("type", ps, depth, &hdr->type))
-               return False;
-       if (!prs_uint32("size", ps, depth, &hdr->size))
-               return False;
-       if (!prs_uint32("offset", ps, depth, &hdr->offset))
-               return False;
-       if (!prs_uint32("offsethi", ps, depth, &hdr->offsethi))
-               return False;
-
-       return True;
-}
-
-static bool pac_io_pac_data(const char *desc, PAC_DATA *data, 
-                           prs_struct *ps, int depth)
-{
-       int i;
-
-       if (NULL == data)
-               return False;
-
-       prs_debug(ps, depth, desc, "pac_io_pac_data");
-       depth++;
-
-       if (!prs_align(ps))
-               return False;
-       if (!prs_uint32("num_buffers", ps, depth, &data->num_buffers))
-               return False;
-       if (!prs_uint32("version", ps, depth, &data->version))
-               return False;
-
-       if (UNMARSHALLING(ps) && data->num_buffers > 0) {
-               if ((data->pac_buffer = PRS_ALLOC_MEM(ps, PAC_BUFFER, data->num_buffers)) == NULL) {
-                       return False;
-               }
-       }
-
-       for (i=0; i<data->num_buffers; i++) {
-               if (!pac_io_pac_info_hdr(desc, &data->pac_buffer[i], ps, 
-                                        depth))
-                       return False;
-       }
-
-       for (i=0; i<data->num_buffers; i++) {
-               if (!pac_io_pac_info_hdr_ctr(desc, &data->pac_buffer[i],
-                                            ps, depth))
-                       return False;
-       }
-
-       return True;
-}
+/****************************************************************
+****************************************************************/
 
 static krb5_error_code check_pac_checksum(TALLOC_CTX *mem_ctx,
                                          DATA_BLOB pac_data,