summaryrefslogtreecommitdiff
path: root/source4/libnet/libnet_samdump.c
diff options
context:
space:
mode:
Diffstat (limited to 'source4/libnet/libnet_samdump.c')
-rw-r--r--source4/libnet/libnet_samdump.c232
1 files changed, 232 insertions, 0 deletions
diff --git a/source4/libnet/libnet_samdump.c b/source4/libnet/libnet_samdump.c
new file mode 100644
index 0000000000..ecedc0264f
--- /dev/null
+++ b/source4/libnet/libnet_samdump.c
@@ -0,0 +1,232 @@
+/*
+ Unix SMB/CIFS implementation.
+
+ Extract the user/system database from a remote SamSync server
+
+ Copyright (C) Andrew Bartlett <abartlet@samba.org> 2004-2005
+
+ 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 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"
+#include "libnet/libnet.h"
+#include "librpc/gen_ndr/ndr_netlogon.h"
+#include "librpc/gen_ndr/ndr_samr.h"
+#include "dlinklist.h"
+
+
+struct samdump_secret {
+ struct samdump_secret *prev, *next;
+ DATA_BLOB secret;
+ char *name;
+ NTTIME mtime;
+};
+
+struct samdump_trusted_domain {
+ struct samdump_trusted_domain *prev, *next;
+ struct dom_sid *sid;
+ char *name;
+};
+
+struct samdump_state {
+ struct samdump_secret *secrets;
+ struct samdump_trusted_domain *trusted_domains;
+};
+
+static NTSTATUS vampire_samdump_handle_user(TALLOC_CTX *mem_ctx,
+ struct creds_CredentialState *creds,
+ struct netr_DELTA_ENUM *delta)
+{
+ uint32_t rid = delta->delta_id_union.rid;
+ struct netr_DELTA_USER *user = delta->delta_union.user;
+ const char *username = user->account_name.string;
+ char *hex_lm_password;
+ char *hex_nt_password;
+
+ hex_lm_password = smbpasswd_sethexpwd(mem_ctx,
+ user->lm_password_present ? &user->lmpassword : NULL,
+ user->acct_flags);
+ hex_nt_password = smbpasswd_sethexpwd(mem_ctx,
+ user->nt_password_present ? &user->ntpassword : NULL,
+ user->acct_flags);
+
+ printf("%s:%d:%s:%s:%s:LCT-%08X\n", username,
+ rid, hex_lm_password, hex_nt_password,
+ smbpasswd_encode_acb_info(mem_ctx, user->acct_flags),
+ (unsigned int)nt_time_to_unix(user->last_password_change));
+
+ return NT_STATUS_OK;
+}
+
+static NTSTATUS vampire_samdump_handle_secret(TALLOC_CTX *mem_ctx,
+ struct samdump_state *samdump_state,
+ struct creds_CredentialState *creds,
+ struct netr_DELTA_ENUM *delta)
+{
+ struct netr_DELTA_SECRET *secret = delta->delta_union.secret;
+ const char *name = delta->delta_id_union.name;
+ struct samdump_secret *new = talloc(samdump_state, struct samdump_secret);
+
+ new->name = talloc_steal(new, name);
+ new->secret = data_blob_talloc(new, secret->current_cipher.cipher_data, secret->current_cipher.maxlen);
+ new->mtime = secret->current_cipher_set_time;
+
+ DLIST_ADD(samdump_state->secrets, new);
+
+ return NT_STATUS_OK;
+}
+
+static NTSTATUS vampire_samdump_handle_trusted_domain(TALLOC_CTX *mem_ctx,
+ struct samdump_state *samdump_state,
+ struct creds_CredentialState *creds,
+ struct netr_DELTA_ENUM *delta)
+{
+ struct netr_DELTA_TRUSTED_DOMAIN *trusted_domain = delta->delta_union.trusted_domain;
+ struct dom_sid *dom_sid = delta->delta_id_union.sid;
+
+ struct samdump_trusted_domain *new = talloc(samdump_state, struct samdump_trusted_domain);
+
+ new->name = talloc_steal(new, trusted_domain->domain_name.string);
+ new->sid = talloc_steal(new, dom_sid);
+
+ DLIST_ADD(samdump_state->trusted_domains, new);
+
+ return NT_STATUS_OK;
+}
+
+static NTSTATUS libnet_samdump_fn(TALLOC_CTX *mem_ctx,
+ void *private,
+ struct creds_CredentialState *creds,
+ enum netr_SamDatabaseID database,
+ struct netr_DELTA_ENUM *delta,
+ char **error_string)
+{
+ NTSTATUS nt_status = NT_STATUS_OK;
+ struct samdump_state *samdump_state = private;
+
+ *error_string = NULL;
+ switch (delta->delta_type) {
+ case NETR_DELTA_USER:
+ {
+ /* not interested in builtin users */
+ if (database == SAM_DATABASE_DOMAIN) {
+ nt_status = vampire_samdump_handle_user(mem_ctx,
+ creds,
+ delta);
+ break;
+ }
+ }
+ case NETR_DELTA_SECRET:
+ {
+ nt_status = vampire_samdump_handle_secret(mem_ctx,
+ samdump_state,
+ creds,
+ delta);
+ break;
+ }
+ case NETR_DELTA_TRUSTED_DOMAIN:
+ {
+ nt_status = vampire_samdump_handle_trusted_domain(mem_ctx,
+ samdump_state,
+ creds,
+ delta);
+ break;
+ }
+ default:
+ /* Can't dump them all right now */
+ break;
+ }
+ return nt_status;
+}
+
+static NTSTATUS libnet_SamDump_netlogon(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct libnet_SamDump *r)
+{
+ NTSTATUS nt_status;
+ struct libnet_SamSync r2;
+ struct samdump_state *samdump_state = talloc(mem_ctx, struct samdump_state);
+
+ struct samdump_trusted_domain *t;
+ struct samdump_secret *s;
+
+ if (!samdump_state) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ samdump_state->secrets = NULL;
+ samdump_state->trusted_domains = NULL;
+
+ r2.error_string = NULL;
+ r2.delta_fn = libnet_samdump_fn;
+ r2.fn_ctx = samdump_state;
+ r2.machine_account = NULL; /* TODO: Create a machine account, fill this in, and the delete it */
+ nt_status = libnet_SamSync_netlogon(ctx, samdump_state, &r2);
+ r->error_string = r2.error_string;
+
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ talloc_free(samdump_state);
+ return nt_status;
+ }
+
+ printf("Trusted domains, sids and secrets:\n");
+ for (t=samdump_state->trusted_domains; t; t=t->next) {
+ char *secret_name = talloc_asprintf(mem_ctx, "G$$%s", t->name);
+ for (s=samdump_state->secrets; s; s=s->next) {
+ if (StrCaseCmp(s->name, secret_name) == 0) {
+ char *secret_string;
+ if (convert_string_talloc(mem_ctx, CH_UTF16, CH_UNIX,
+ s->secret.data, s->secret.length,
+ (void **)&secret_string) == -1) {
+ r->error_string = talloc_asprintf(mem_ctx,
+ "Could not convert secret for domain %s to a string\n",
+ t->name);
+ talloc_free(samdump_state);
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+ printf("%s\t%s\t%s\n",
+ t->name, dom_sid_string(mem_ctx, t->sid),
+ secret_string);
+ }
+ }
+ }
+ talloc_free(samdump_state);
+ return nt_status;
+}
+
+
+
+static NTSTATUS libnet_SamDump_generic(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct libnet_SamDump *r)
+{
+ NTSTATUS nt_status;
+ struct libnet_SamDump r2;
+ r2.level = LIBNET_SAMDUMP_NETLOGON;
+ r2.error_string = NULL;
+ nt_status = libnet_SamDump(ctx, mem_ctx, &r2);
+ r->error_string = r2.error_string;
+
+ return nt_status;
+}
+
+NTSTATUS libnet_SamDump(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct libnet_SamDump *r)
+{
+ switch (r->level) {
+ case LIBNET_SAMDUMP_GENERIC:
+ return libnet_SamDump_generic(ctx, mem_ctx, r);
+ case LIBNET_SAMDUMP_NETLOGON:
+ return libnet_SamDump_netlogon(ctx, mem_ctx, r);
+ }
+
+ return NT_STATUS_INVALID_LEVEL;
+}