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https://github.com/samba-team/samba.git
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r6928: Add support for printing trusted domain names, sids and passwords in
the Samba4 'net samdump'. Andrew Bartlett (This used to be commit b7eeea53b2f0e7b3a25a739e6b4774e2505735d3)
This commit is contained in:
Andrew Bartlett
Gerald (Jerry) Carter
parent
ed8144154a
commit
c214a612df
@ -1,6 +1,8 @@
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/*
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Unix SMB/CIFS implementation.
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Extract the user/system database from a remote SamSync server
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Copyright (C) Andrew Bartlett <abartlet@samba.org> 2004-2005
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This program is free software; you can redistribute it and/or modify
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@ -23,58 +25,26 @@
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#include "libnet/libnet.h"
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#include "librpc/gen_ndr/ndr_netlogon.h"
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#include "librpc/gen_ndr/ndr_samr.h"
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#include "dlinklist.h"
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static NTSTATUS vampire_samdump_handle_user(TALLOC_CTX *mem_ctx,
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struct creds_CredentialState *creds,
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struct netr_DELTA_ENUM *delta)
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{
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uint32_t rid = delta->delta_id_union.rid;
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struct netr_DELTA_USER *user = delta->delta_union.user;
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const char *username = user->account_name.string;
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char *hex_lm_password;
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char *hex_nt_password;
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struct samsync_secret {
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struct samsync_secret *prev, *next;
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DATA_BLOB secret;
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char *name;
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NTTIME mtime;
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};
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hex_lm_password = smbpasswd_sethexpwd(mem_ctx,
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user->lm_password_present ? &user->lmpassword : NULL,
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user->acct_flags);
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hex_nt_password = smbpasswd_sethexpwd(mem_ctx,
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user->nt_password_present ? &user->ntpassword : NULL,
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user->acct_flags);
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struct samsync_trusted_domain {
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struct samsync_trusted_domain *prev, *next;
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struct dom_sid *sid;
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char *name;
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};
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printf("%s:%d:%s:%s:%s:LCT-%08X\n", username,
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rid, hex_lm_password, hex_nt_password,
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smbpasswd_encode_acb_info(mem_ctx, user->acct_flags),
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(unsigned int)nt_time_to_unix(user->last_password_change));
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struct samdump_state {
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struct samsync_secret *secrets;
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struct samsync_trusted_domain *trusted_domains;
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};
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return NT_STATUS_OK;
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}
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static NTSTATUS libnet_samdump_fn(TALLOC_CTX *mem_ctx,
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void *private,
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struct creds_CredentialState *creds,
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enum netr_SamDatabaseID database,
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struct netr_DELTA_ENUM *delta,
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char **error_string)
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{
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NTSTATUS nt_status = NT_STATUS_OK;
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*error_string = NULL;
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switch (database) {
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case SAM_DATABASE_DOMAIN:
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{
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switch (delta->delta_type) {
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case NETR_DELTA_USER:
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{
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nt_status = vampire_samdump_handle_user(mem_ctx,
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creds,
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delta);
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break;
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}
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}
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break;
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}
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}
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return nt_status;
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}
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/**
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* Decrypt and extract the user's passwords.
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@ -135,6 +105,27 @@ static NTSTATUS fix_user(TALLOC_CTX *mem_ctx,
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return NT_STATUS_OK;
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}
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/**
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* Decrypt and extract the secrets
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*
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* The writes decrypted secrets back into the structure
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*/
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static NTSTATUS fix_secret(TALLOC_CTX *mem_ctx,
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struct creds_CredentialState *creds,
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enum netr_SamDatabaseID database,
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struct netr_DELTA_ENUM *delta,
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char **error_string)
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{
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struct netr_DELTA_SECRET *secret = delta->delta_union.secret;
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creds_arcfour_crypt(creds, secret->current_cipher.cipher_data,
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secret->current_cipher.maxlen);
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creds_arcfour_crypt(creds, secret->old_cipher.cipher_data,
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secret->old_cipher.maxlen);
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return NT_STATUS_OK;
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}
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/**
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* Fix up the delta, dealing with encryption issues so that the final
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* callback need only do the printing or application logic
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@ -158,6 +149,15 @@ static NTSTATUS fix_delta(TALLOC_CTX *mem_ctx,
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error_string);
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break;
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}
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case NETR_DELTA_SECRET:
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{
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nt_status = fix_secret(mem_ctx,
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creds,
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database,
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delta,
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error_string);
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break;
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}
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}
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return nt_status;
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}
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@ -215,7 +215,7 @@ static NTSTATUS libnet_SamSync_netlogon(struct libnet_context *ctx, TALLOC_CTX *
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/* We like schannel */
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b->flags &= ~DCERPC_AUTH_OPTIONS;
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b->flags |= DCERPC_SCHANNEL | DCERPC_SEAL | DCERPC_SCHANNEL_128;
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b->flags |= DCERPC_SCHANNEL | DCERPC_SEAL /* | DCERPC_SCHANNEL_128 */;
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/* Setup schannel */
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nt_status = dcerpc_pipe_connect_b(mem_ctx, &p, b,
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@ -296,19 +296,156 @@ static NTSTATUS libnet_SamSync_netlogon(struct libnet_context *ctx, TALLOC_CTX *
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return nt_status;
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}
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static NTSTATUS vampire_samdump_handle_user(TALLOC_CTX *mem_ctx,
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struct creds_CredentialState *creds,
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struct netr_DELTA_ENUM *delta)
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{
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uint32_t rid = delta->delta_id_union.rid;
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struct netr_DELTA_USER *user = delta->delta_union.user;
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const char *username = user->account_name.string;
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char *hex_lm_password;
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char *hex_nt_password;
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hex_lm_password = smbpasswd_sethexpwd(mem_ctx,
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user->lm_password_present ? &user->lmpassword : NULL,
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user->acct_flags);
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hex_nt_password = smbpasswd_sethexpwd(mem_ctx,
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user->nt_password_present ? &user->ntpassword : NULL,
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user->acct_flags);
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printf("%s:%d:%s:%s:%s:LCT-%08X\n", username,
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rid, hex_lm_password, hex_nt_password,
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smbpasswd_encode_acb_info(mem_ctx, user->acct_flags),
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(unsigned int)nt_time_to_unix(user->last_password_change));
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return NT_STATUS_OK;
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}
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static NTSTATUS vampire_samdump_handle_secret(TALLOC_CTX *mem_ctx,
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struct samdump_state *samdump_state,
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struct creds_CredentialState *creds,
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struct netr_DELTA_ENUM *delta)
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{
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struct netr_DELTA_SECRET *secret = delta->delta_union.secret;
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const char *name = delta->delta_id_union.name;
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struct samsync_secret *new = talloc(samdump_state, struct samsync_secret);
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new->name = talloc_reference(new, name);
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new->secret = data_blob_talloc(new, secret->current_cipher.cipher_data, secret->current_cipher.maxlen);
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new->mtime = secret->current_cipher_set_time;
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DLIST_ADD(samdump_state->secrets, new);
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return NT_STATUS_OK;
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}
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static NTSTATUS vampire_samdump_handle_trusted_domain(TALLOC_CTX *mem_ctx,
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struct samdump_state *samdump_state,
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struct creds_CredentialState *creds,
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struct netr_DELTA_ENUM *delta)
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{
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struct netr_DELTA_TRUSTED_DOMAIN *trusted_domain = delta->delta_union.trusted_domain;
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struct dom_sid *dom_sid = delta->delta_id_union.sid;
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struct samsync_trusted_domain *new = talloc(samdump_state, struct samsync_trusted_domain);
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new->name = talloc_reference(new, trusted_domain->domain_name.string);
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new->sid = talloc_reference(new, dom_sid);
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DLIST_ADD(samdump_state->trusted_domains, new);
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return NT_STATUS_OK;
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}
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static NTSTATUS libnet_samdump_fn(TALLOC_CTX *mem_ctx,
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void *private,
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struct creds_CredentialState *creds,
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enum netr_SamDatabaseID database,
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struct netr_DELTA_ENUM *delta,
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char **error_string)
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{
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NTSTATUS nt_status = NT_STATUS_OK;
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struct samdump_state *samdump_state = private;
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*error_string = NULL;
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switch (delta->delta_type) {
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case NETR_DELTA_USER:
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{
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/* not interested in builtin users */
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if (database == SAM_DATABASE_DOMAIN) {
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nt_status = vampire_samdump_handle_user(mem_ctx,
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creds,
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delta);
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break;
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}
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}
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case NETR_DELTA_SECRET:
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{
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nt_status = vampire_samdump_handle_secret(mem_ctx,
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samdump_state,
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creds,
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delta);
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break;
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}
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case NETR_DELTA_TRUSTED_DOMAIN:
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{
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nt_status = vampire_samdump_handle_trusted_domain(mem_ctx,
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samdump_state,
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creds,
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delta);
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break;
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}
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}
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return nt_status;
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}
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NTSTATUS libnet_SamDump_netlogon(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, union libnet_SamDump *r)
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{
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NTSTATUS nt_status;
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union libnet_SamSync r2;
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struct samdump_state *samdump_state = talloc(mem_ctx, struct samdump_state);
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struct samsync_trusted_domain *t;
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struct samsync_secret *s;
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if (!samdump_state) {
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return NT_STATUS_NO_MEMORY;
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}
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samdump_state->secrets = NULL;
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samdump_state->trusted_domains = NULL;
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r2.netlogon.level = LIBNET_SAMDUMP_NETLOGON;
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r2.netlogon.error_string = NULL;
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r2.netlogon.delta_fn = libnet_samdump_fn;
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r2.netlogon.fn_ctx = NULL;
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r2.netlogon.fn_ctx = samdump_state;
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nt_status = libnet_SamSync_netlogon(ctx, mem_ctx, &r2);
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r->generic.error_string = r2.netlogon.error_string;
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if (!NT_STATUS_IS_OK(nt_status)) {
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return nt_status;
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}
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printf("Trusted domains, sids and secrets:\n");
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for (t=samdump_state->trusted_domains; t; t=t->next) {
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char *secret_name = talloc_asprintf(mem_ctx, "G$$%s", t->name);
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for (s=samdump_state->secrets; s; s=s->next) {
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if (StrCaseCmp(s->name, secret_name) == 0) {
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char *secret_string;
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if (convert_string_talloc(mem_ctx, CH_UTF16, CH_UNIX,
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s->secret.data, s->secret.length,
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(void **)&secret_string) == -1) {
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r->generic.error_string = talloc_asprintf(mem_ctx,
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"Could not convert secret for domain %s to a string\n",
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t->name);
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return NT_STATUS_INVALID_PARAMETER;
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}
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printf("%s\t%s\t%s\n",
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t->name, dom_sid_string(mem_ctx, t->sid),
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secret_string);
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}
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}
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}
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return nt_status;
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}
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@ -318,7 +455,6 @@ NTSTATUS libnet_SamDump_generic(struct libnet_context *ctx, TALLOC_CTX *mem_ctx,
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{
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NTSTATUS nt_status;
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union libnet_SamDump r2;
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r2.generic.level = LIBNET_SAMDUMP_NETLOGON;
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r2.generic.error_string = NULL;
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nt_status = libnet_SamDump(ctx, mem_ctx, &r2);
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