/*
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
#include "libnet/libnet.h"
#include "librpc/gen_ndr/ndr_netlogon.h"
#include "librpc/gen_ndr/ndr_samr.h"
+#include "dlinklist.h"
-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;
+struct samsync_secret {
+ struct samsync_secret *prev, *next;
+ DATA_BLOB secret;
+ char *name;
+ NTTIME mtime;
+};
- 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);
+struct samsync_trusted_domain {
+ struct samsync_trusted_domain *prev, *next;
+ struct dom_sid *sid;
+ char *name;
+};
- 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;
-}
+struct samdump_state {
+ struct samsync_secret *secrets;
+ struct samsync_trusted_domain *trusted_domains;
+};
-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;
- *error_string = NULL;
- switch (database) {
- case SAM_DATABASE_DOMAIN:
- {
- switch (delta->delta_type) {
- case NETR_DELTA_USER:
- {
- nt_status = vampire_samdump_handle_user(mem_ctx,
- creds,
- delta);
- break;
- }
- }
- break;
- }
- }
- return nt_status;
-}
/**
* Decrypt and extract the user's passwords.
return NT_STATUS_OK;
}
+/**
+ * Decrypt and extract the secrets
+ *
+ * The writes decrypted secrets back into the structure
+ */
+static NTSTATUS fix_secret(TALLOC_CTX *mem_ctx,
+ struct creds_CredentialState *creds,
+ enum netr_SamDatabaseID database,
+ struct netr_DELTA_ENUM *delta,
+ char **error_string)
+{
+ struct netr_DELTA_SECRET *secret = delta->delta_union.secret;
+ creds_arcfour_crypt(creds, secret->current_cipher.cipher_data,
+ secret->current_cipher.maxlen);
+
+ creds_arcfour_crypt(creds, secret->old_cipher.cipher_data,
+ secret->old_cipher.maxlen);
+
+ return NT_STATUS_OK;
+}
+
/**
* Fix up the delta, dealing with encryption issues so that the final
* callback need only do the printing or application logic
error_string);
break;
}
+ case NETR_DELTA_SECRET:
+ {
+ nt_status = fix_secret(mem_ctx,
+ creds,
+ database,
+ delta,
+ error_string);
+ break;
+ }
}
return nt_status;
}
/* We like schannel */
b->flags &= ~DCERPC_AUTH_OPTIONS;
- b->flags |= DCERPC_SCHANNEL | DCERPC_SEAL | DCERPC_SCHANNEL_128;
+ b->flags |= DCERPC_SCHANNEL | DCERPC_SEAL /* | DCERPC_SCHANNEL_128 */;
/* Setup schannel */
nt_status = dcerpc_pipe_connect_b(mem_ctx, &p, b,
return nt_status;
}
+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 samsync_secret *new = talloc(samdump_state, struct samsync_secret);
+
+ new->name = talloc_reference(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 samsync_trusted_domain *new = talloc(samdump_state, struct samsync_trusted_domain);
+
+ new->name = talloc_reference(new, trusted_domain->domain_name.string);
+ new->sid = talloc_reference(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;
+ }
+ }
+ return nt_status;
+}
+
NTSTATUS libnet_SamDump_netlogon(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, union libnet_SamDump *r)
{
NTSTATUS nt_status;
union libnet_SamSync r2;
+ struct samdump_state *samdump_state = talloc(mem_ctx, struct samdump_state);
+
+ struct samsync_trusted_domain *t;
+ struct samsync_secret *s;
+
+ if (!samdump_state) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ samdump_state->secrets = NULL;
+ samdump_state->trusted_domains = NULL;
r2.netlogon.level = LIBNET_SAMDUMP_NETLOGON;
r2.netlogon.error_string = NULL;
r2.netlogon.delta_fn = libnet_samdump_fn;
- r2.netlogon.fn_ctx = NULL;
+ r2.netlogon.fn_ctx = samdump_state;
nt_status = libnet_SamSync_netlogon(ctx, mem_ctx, &r2);
r->generic.error_string = r2.netlogon.error_string;
-
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ 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->generic.error_string = talloc_asprintf(mem_ctx,
+ "Could not convert secret for domain %s to a string\n",
+ t->name);
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+ printf("%s\t%s\t%s\n",
+ t->name, dom_sid_string(mem_ctx, t->sid),
+ secret_string);
+ }
+ }
+ }
return nt_status;
}
{
NTSTATUS nt_status;
union libnet_SamDump r2;
-
r2.generic.level = LIBNET_SAMDUMP_NETLOGON;
r2.generic.error_string = NULL;
nt_status = libnet_SamDump(ctx, mem_ctx, &r2);
git.samba.org / kamenim / samba.git / commitdiff