diff options
Diffstat (limited to 'source4/auth/auth_sam_reply.c')
| -rw-r--r-- | source4/auth/auth_sam_reply.c | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/source4/auth/auth_sam_reply.c b/source4/auth/auth_sam_reply.c index 839553632e..dfa76234b4 100644 --- a/source4/auth/auth_sam_reply.c +++ b/source4/auth/auth_sam_reply.c @@ -147,3 +147,142 @@ NTSTATUS auth_convert_server_info_saminfo3(TALLOC_CTX *mem_ctx, return NT_STATUS_OK; } +/** + * Make a server_info struct from the info3 returned by a domain logon + */ +NTSTATUS make_server_info_netlogon_validation(TALLOC_CTX *mem_ctx, + const char *account_name, + uint16_t validation_level, + union netr_Validation *validation, + struct auth_serversupplied_info **_server_info) +{ + struct auth_serversupplied_info *server_info; + struct netr_SamBaseInfo *base = NULL; + int i; + + switch (validation_level) { + case 2: + if (!validation || !validation->sam2) { + return NT_STATUS_INVALID_PARAMETER; + } + base = &validation->sam2->base; + break; + case 3: + if (!validation || !validation->sam3) { + return NT_STATUS_INVALID_PARAMETER; + } + base = &validation->sam3->base; + break; + case 6: + if (!validation || !validation->sam6) { + return NT_STATUS_INVALID_PARAMETER; + } + base = &validation->sam6->base; + break; + default: + return NT_STATUS_INVALID_LEVEL; + } + + server_info = talloc(mem_ctx, struct auth_serversupplied_info); + NT_STATUS_HAVE_NO_MEMORY(server_info); + + /* + Here is where we should check the list of + trusted domains, and verify that the SID + matches. + */ + server_info->account_sid = dom_sid_add_rid(server_info, base->domain_sid, base->rid); + NT_STATUS_HAVE_NO_MEMORY(server_info->account_sid); + + + server_info->primary_group_sid = dom_sid_add_rid(server_info, base->domain_sid, base->primary_gid); + NT_STATUS_HAVE_NO_MEMORY(server_info->primary_group_sid); + + server_info->n_domain_groups = base->groups.count; + if (base->groups.count) { + server_info->domain_groups = talloc_array(server_info, struct dom_sid*, base->groups.count); + NT_STATUS_HAVE_NO_MEMORY(server_info->domain_groups); + } else { + server_info->domain_groups = NULL; + } + + for (i = 0; i < base->groups.count; i++) { + server_info->domain_groups[i] = dom_sid_add_rid(server_info, base->domain_sid, base->groups.rids[i].rid); + NT_STATUS_HAVE_NO_MEMORY(server_info->domain_groups[i]); + } + + /* Copy 'other' sids. We need to do sid filtering here to + prevent possible elevation of privileges. See: + + http://www.microsoft.com/windows2000/techinfo/administration/security/sidfilter.asp + */ + + if (validation_level == 3) { + struct dom_sid **dgrps = server_info->domain_groups; + size_t sidcount = server_info->n_domain_groups + validation->sam3->sidcount; + size_t n_dgrps = server_info->n_domain_groups; + + if (validation->sam3->sidcount > 0) { + dgrps = talloc_realloc(server_info, dgrps, struct dom_sid*, sidcount); + NT_STATUS_HAVE_NO_MEMORY(dgrps); + + for (i = 0; i < validation->sam3->sidcount; i++) { + dgrps[n_dgrps + i] = talloc_reference(dgrps, validation->sam3->sids[i].sid); + } + } + + server_info->n_domain_groups = sidcount; + server_info->domain_groups = dgrps; + + /* Where are the 'global' sids?... */ + } + + if (base->account_name.string) { + server_info->account_name = talloc_reference(server_info, base->account_name.string); + } else { + server_info->account_name = talloc_strdup(server_info, account_name); + NT_STATUS_HAVE_NO_MEMORY(server_info->account_name); + } + + server_info->domain_name = talloc_reference(server_info, base->domain.string); + server_info->full_name = talloc_reference(server_info, base->full_name.string); + server_info->logon_script = talloc_reference(server_info, base->logon_script.string); + server_info->profile_path = talloc_reference(server_info, base->profile_path.string); + server_info->home_directory = talloc_reference(server_info, base->home_directory.string); + server_info->home_drive = talloc_reference(server_info, base->home_drive.string); + server_info->logon_server = talloc_reference(server_info, base->logon_server.string); + server_info->last_logon = base->last_logon; + server_info->last_logoff = base->last_logoff; + server_info->acct_expiry = base->acct_expiry; + server_info->last_password_change = base->last_password_change; + server_info->allow_password_change = base->allow_password_change; + server_info->force_password_change = base->force_password_change; + server_info->logon_count = base->logon_count; + server_info->bad_password_count = base->bad_password_count; + server_info->acct_flags = base->acct_flags; + + server_info->authenticated = true; + + /* ensure we are never given NULL session keys */ + + if (all_zero(base->key.key, sizeof(base->key.key))) { + server_info->user_session_key = data_blob(NULL, 0); + } else { + server_info->user_session_key = data_blob_talloc(server_info, base->key.key, sizeof(base->key.key)); + NT_STATUS_HAVE_NO_MEMORY(server_info->user_session_key.data); + } + + if (all_zero(base->LMSessKey.key, sizeof(base->LMSessKey.key))) { + server_info->lm_session_key = data_blob(NULL, 0); + } else { + server_info->lm_session_key = data_blob_talloc(server_info, base->LMSessKey.key, sizeof(base->LMSessKey.key)); + NT_STATUS_HAVE_NO_MEMORY(server_info->lm_session_key.data); + } + + ZERO_STRUCT(server_info->pac_srv_sig); + ZERO_STRUCT(server_info->pac_kdc_sig); + + *_server_info = server_info; + return NT_STATUS_OK; +} + |