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Diffstat (limited to 'source4/auth/ntlm/auth_developer.c')
| -rw-r--r-- | source4/auth/ntlm/auth_developer.c | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/source4/auth/ntlm/auth_developer.c b/source4/auth/ntlm/auth_developer.c new file mode 100644 index 0000000000..3b8c83c349 --- /dev/null +++ b/source4/auth/ntlm/auth_developer.c @@ -0,0 +1,207 @@ +/* + Unix SMB/CIFS implementation. + Generic authentication types + Copyright (C) Andrew Bartlett 2001-2002 + Copyright (C) Jelmer Vernooij 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 "auth/ntlm/auth_proto.h" +#include "libcli/security/security.h" +#include "librpc/gen_ndr/ndr_samr.h" + +static NTSTATUS name_to_ntstatus_want_check(struct auth_method_context *ctx, + TALLOC_CTX *mem_ctx, + const struct auth_usersupplied_info *user_info) +{ + return NT_STATUS_OK; +} + +/** + * Return an error based on username + * + * This function allows the testing of obsure errors, as well as the generation + * of NT_STATUS -> DOS error mapping tables. + * + * This module is of no value to end-users. + * + * The password is ignored. + * + * @return An NTSTATUS value based on the username + **/ + +static NTSTATUS name_to_ntstatus_check_password(struct auth_method_context *ctx, + TALLOC_CTX *mem_ctx, + const struct auth_usersupplied_info *user_info, + struct auth_serversupplied_info **_server_info) +{ + NTSTATUS nt_status; + struct auth_serversupplied_info *server_info; + uint32_t error_num; + const char *user; + + user = user_info->client.account_name; + + if (strncasecmp("NT_STATUS", user, strlen("NT_STATUS")) == 0) { + nt_status = nt_status_string_to_code(user); + } else { + error_num = strtoul(user, NULL, 16); + DEBUG(5,("name_to_ntstatus_check_password: Error for user %s was 0x%08X\n", user, error_num)); + nt_status = NT_STATUS(error_num); + } + NT_STATUS_NOT_OK_RETURN(nt_status); + + 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, + and it is all zeros! */ + 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); + + data_blob_clear(&server_info->user_session_key); + data_blob_clear(&server_info->lm_session_key); + + server_info->account_name = talloc_asprintf(server_info, "NAME TO NTSTATUS %s ANONYMOUS LOGON", user); + 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_asprintf(server_info, "NAME TO NTSTATUS %s Anonymous Logon", user); + 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->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; +} + +static const struct auth_operations name_to_ntstatus_auth_ops = { + .name = "name_to_ntstatus", + .get_challenge = auth_get_challenge_not_implemented, + .want_check = name_to_ntstatus_want_check, + .check_password = name_to_ntstatus_check_password +}; + +/** + * Return a 'fixed' challenge instead of a variable one. + * + * The idea of this function is to make packet snifs consistant + * with a fixed challenge, so as to aid debugging. + * + * This module is of no value to end-users. + * + * This module does not actually authenticate the user, but + * just pretenteds to need a specified challenge. + * This module removes *all* security from the challenge-response system + * + * @return NT_STATUS_UNSUCCESSFUL + **/ +static NTSTATUS fixed_challenge_get_challenge(struct auth_method_context *ctx, TALLOC_CTX *mem_ctx, DATA_BLOB *_blob) +{ + DATA_BLOB blob; + const char *challenge = "I am a teapot"; + + blob = data_blob_talloc(mem_ctx, challenge, 8); + NT_STATUS_HAVE_NO_MEMORY(blob.data); + + *_blob = blob; + return NT_STATUS_OK; +} + +static NTSTATUS fixed_challenge_want_check(struct auth_method_context *ctx, + TALLOC_CTX *mem_ctx, + const struct auth_usersupplied_info *user_info) +{ + /* don't handle any users */ + return NT_STATUS_NOT_IMPLEMENTED; +} + +static NTSTATUS fixed_challenge_check_password(struct auth_method_context *ctx, + TALLOC_CTX *mem_ctx, + const struct auth_usersupplied_info *user_info, + struct auth_serversupplied_info **_server_info) +{ + /* don't handle any users */ + return NT_STATUS_NO_SUCH_USER; +} + +static const struct auth_operations fixed_challenge_auth_ops = { + .name = "fixed_challenge", + .get_challenge = fixed_challenge_get_challenge, + .want_check = fixed_challenge_want_check, + .check_password = fixed_challenge_check_password +}; + +_PUBLIC_ NTSTATUS auth_developer_init(void) +{ + NTSTATUS ret; + + ret = auth_register(&name_to_ntstatus_auth_ops); + if (!NT_STATUS_IS_OK(ret)) { + DEBUG(0,("Failed to register 'name_to_ntstatus' auth backend!\n")); + return ret; + } + + ret = auth_register(&fixed_challenge_auth_ops); + if (!NT_STATUS_IS_OK(ret)) { + DEBUG(0,("Failed to register 'fixed_challenge' auth backend!\n")); + return ret; + } + + return ret; +} |