diff options
Diffstat (limited to 'source4/libnet/libnet_samdump.c')
-rw-r--r-- | source4/libnet/libnet_samdump.c | 232 |
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; +} |