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Diffstat (limited to 'source4/auth/session.c')
| -rw-r--r-- | source4/auth/session.c | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/source4/auth/session.c b/source4/auth/session.c new file mode 100644 index 0000000000..ef5646fd37 --- /dev/null +++ b/source4/auth/session.c @@ -0,0 +1,203 @@ +/* + Unix SMB/CIFS implementation. + Authentication utility functions + Copyright (C) Andrew Tridgell 1992-1998 + Copyright (C) Andrew Bartlett 2001 + Copyright (C) Jeremy Allison 2000-2001 + Copyright (C) Rafal Szczesniak 2002 + Copyright (C) Stefan Metzmacher 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 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/>. +*/ + +#include "includes.h" +#include "auth/auth.h" +#include "libcli/security/security.h" +#include "libcli/auth/libcli_auth.h" +#include "dsdb/samdb/samdb.h" +#include "auth/credentials/credentials.h" +#include "param/param.h" +#include "auth/session_proto.h" + +_PUBLIC_ struct auth_session_info *anonymous_session(TALLOC_CTX *mem_ctx, + struct tevent_context *event_ctx, + struct loadparm_context *lp_ctx) +{ + NTSTATUS nt_status; + struct auth_session_info *session_info = NULL; + nt_status = auth_anonymous_session_info(mem_ctx, event_ctx, lp_ctx, &session_info); + if (!NT_STATUS_IS_OK(nt_status)) { + return NULL; + } + return session_info; +} + +_PUBLIC_ NTSTATUS auth_anonymous_session_info(TALLOC_CTX *parent_ctx, + struct tevent_context *event_ctx, + struct loadparm_context *lp_ctx, + struct auth_session_info **_session_info) +{ + NTSTATUS nt_status; + struct auth_serversupplied_info *server_info = NULL; + struct auth_session_info *session_info = NULL; + TALLOC_CTX *mem_ctx = talloc_new(parent_ctx); + + nt_status = auth_anonymous_server_info(mem_ctx, + lp_netbios_name(lp_ctx), + &server_info); + if (!NT_STATUS_IS_OK(nt_status)) { + talloc_free(mem_ctx); + return nt_status; + } + + /* references the server_info into the session_info */ + nt_status = auth_generate_session_info(parent_ctx, event_ctx, lp_ctx, server_info, &session_info); + talloc_free(mem_ctx); + + NT_STATUS_NOT_OK_RETURN(nt_status); + + session_info->credentials = cli_credentials_init(session_info); + if (!session_info->credentials) { + return NT_STATUS_NO_MEMORY; + } + + cli_credentials_set_conf(session_info->credentials, lp_ctx); + cli_credentials_set_anonymous(session_info->credentials); + + *_session_info = session_info; + + return NT_STATUS_OK; +} + +_PUBLIC_ NTSTATUS auth_anonymous_server_info(TALLOC_CTX *mem_ctx, + const char *netbios_name, + struct auth_serversupplied_info **_server_info) +{ + struct auth_serversupplied_info *server_info; + server_info = talloc(mem_ctx, struct auth_serversupplied_info); + NT_STATUS_HAVE_NO_MEMORY(server_info); + + server_info->account_sid = dom_sid_parse_talloc(server_info, SID_NT_ANONYMOUS); + NT_STATUS_HAVE_NO_MEMORY(server_info->account_sid); + + /* is this correct? */ + server_info->primary_group_sid = dom_sid_parse_talloc(server_info, SID_BUILTIN_GUESTS); + NT_STATUS_HAVE_NO_MEMORY(server_info->primary_group_sid); + + server_info->n_domain_groups = 0; + server_info->domain_groups = NULL; + + /* annoying, but the Anonymous really does have a session key... */ + server_info->user_session_key = data_blob_talloc(server_info, NULL, 16); + NT_STATUS_HAVE_NO_MEMORY(server_info->user_session_key.data); + + server_info->lm_session_key = data_blob_talloc(server_info, NULL, 16); + NT_STATUS_HAVE_NO_MEMORY(server_info->lm_session_key.data); + + /* and it is all zeros! */ + data_blob_clear(&server_info->user_session_key); + data_blob_clear(&server_info->lm_session_key); + + server_info->account_name = talloc_strdup(server_info, "ANONYMOUS LOGON"); + NT_STATUS_HAVE_NO_MEMORY(server_info->account_name); + + server_info->domain_name = talloc_strdup(server_info, "NT AUTHORITY"); + NT_STATUS_HAVE_NO_MEMORY(server_info->domain_name); + + server_info->full_name = talloc_strdup(server_info, "Anonymous Logon"); + NT_STATUS_HAVE_NO_MEMORY(server_info->full_name); + + server_info->logon_script = talloc_strdup(server_info, ""); + NT_STATUS_HAVE_NO_MEMORY(server_info->logon_script); + + server_info->profile_path = talloc_strdup(server_info, ""); + NT_STATUS_HAVE_NO_MEMORY(server_info->profile_path); + + server_info->home_directory = talloc_strdup(server_info, ""); + NT_STATUS_HAVE_NO_MEMORY(server_info->home_directory); + + server_info->home_drive = talloc_strdup(server_info, ""); + NT_STATUS_HAVE_NO_MEMORY(server_info->home_drive); + + server_info->logon_server = talloc_strdup(server_info, netbios_name); + NT_STATUS_HAVE_NO_MEMORY(server_info->logon_server); + + server_info->last_logon = 0; + server_info->last_logoff = 0; + server_info->acct_expiry = 0; + server_info->last_password_change = 0; + server_info->allow_password_change = 0; + server_info->force_password_change = 0; + + server_info->logon_count = 0; + server_info->bad_password_count = 0; + + server_info->acct_flags = ACB_NORMAL; + + server_info->authenticated = false; + + *_server_info = server_info; + + return NT_STATUS_OK; +} + +_PUBLIC_ NTSTATUS auth_generate_session_info(TALLOC_CTX *mem_ctx, + struct tevent_context *event_ctx, + struct loadparm_context *lp_ctx, + struct auth_serversupplied_info *server_info, + struct auth_session_info **_session_info) +{ + struct auth_session_info *session_info; + NTSTATUS nt_status; + + session_info = talloc(mem_ctx, struct auth_session_info); + NT_STATUS_HAVE_NO_MEMORY(session_info); + + session_info->server_info = talloc_reference(session_info, server_info); + + /* unless set otherwise, the session key is the user session + * key from the auth subsystem */ + session_info->session_key = server_info->user_session_key; + + nt_status = security_token_create(session_info, + event_ctx, + lp_ctx, + server_info->account_sid, + server_info->primary_group_sid, + server_info->n_domain_groups, + server_info->domain_groups, + server_info->authenticated, + &session_info->security_token); + NT_STATUS_NOT_OK_RETURN(nt_status); + + session_info->credentials = NULL; + + *_session_info = session_info; + return NT_STATUS_OK; +} + +/** + * prints a struct auth_session_info security token to debug output. + */ +void auth_session_info_debug(int dbg_lev, + const struct auth_session_info *session_info) +{ + if (!session_info) { + DEBUG(dbg_lev, ("Session Info: (NULL)\n")); + return; + } + + security_token_debug(dbg_lev, session_info->security_token); +} + |