Exemple #1
0
/** strdup_upper with a talloc */
char *talloc_strdup_upper(TALLOC_CTX *t, const char *p)
{
	char *r;
	if (p) {
		char *q = strdup_upper(p);
		if (q) { 
			r = talloc_strdup(t, q);
			SAFE_FREE(q);
			return r;
		} else {
			return NULL;
		}
	} else {
		return NULL;
	}
}
static bool test_plaintext(enum ntlm_break break_which)
{
	NTSTATUS nt_status;
	uint32 flags = 0;
	DATA_BLOB nt_response = data_blob_null;
	DATA_BLOB lm_response = data_blob_null;
	char *password;
	smb_ucs2_t *nt_response_ucs2;
	size_t converted_size;

	uchar user_session_key[16];
	uchar lm_key[16];
	static const uchar zeros[8] = { 0, };
	DATA_BLOB chall = data_blob(zeros, sizeof(zeros));
	char *error_string;

	ZERO_STRUCT(user_session_key);
	
	flags |= WBFLAG_PAM_LMKEY;
	flags |= WBFLAG_PAM_USER_SESSION_KEY;

	if (!push_ucs2_allocate(&nt_response_ucs2, opt_password,
				&converted_size))
	{
		DEBUG(0, ("push_ucs2_allocate failed!\n"));
		exit(1);
	}

	nt_response.data = (unsigned char *)nt_response_ucs2;
	nt_response.length = strlen_w(nt_response_ucs2)*sizeof(smb_ucs2_t);

	if ((password = strdup_upper(opt_password)) == NULL) {
		DEBUG(0, ("strdup_upper failed!\n"));
		exit(1);
	}

	if (!convert_string_allocate(NULL, CH_UNIX,
				     CH_DOS, password,
				     strlen(password)+1, 
				     &lm_response.data,
				     &lm_response.length, True)) {
		DEBUG(0, ("convert_string_allocate failed!\n"));
		exit(1);
	}

	SAFE_FREE(password);

	switch (break_which) {
	case BREAK_NONE:
		break;
	case BREAK_LM:
		lm_response.data[0]++;
		break;
	case BREAK_NT:
		nt_response.data[0]++;
		break;
	case NO_LM:
		SAFE_FREE(lm_response.data);
		lm_response.length = 0;
		break;
	case NO_NT:
		SAFE_FREE(nt_response.data);
		nt_response.length = 0;
		break;
	}

	nt_status = contact_winbind_auth_crap(opt_username, opt_domain, 
					      opt_workstation,
					      &chall,
					      &lm_response,
					      &nt_response,
					      flags,
					      lm_key,
					      user_session_key,
					      &error_string, NULL);
	
	SAFE_FREE(nt_response.data);
	SAFE_FREE(lm_response.data);
	data_blob_free(&chall);

	if (!NT_STATUS_IS_OK(nt_status)) {
		d_printf("%s (0x%x)\n", 
			 error_string,
			 NT_STATUS_V(nt_status));
		SAFE_FREE(error_string);
		return break_which == BREAK_NT;
	}

        return break_which != BREAK_NT;
}
Exemple #3
0
char *alloc_sub_basic(const char *smb_name, const char *str)
{
	char *b, *p, *s, *t, *r, *a_string;
	fstring pidstr;
	struct passwd *pass;
	const char *local_machine_name = get_local_machine_name();

	/* workaround to prevent a crash while lookinf at bug #687 */
	
	if ( !str ) {
		DEBUG(0,("alloc_sub_basic: NULL source string!  This should not happen\n"));
		return NULL;
	}
	
	a_string = strdup(str);
	if (a_string == NULL) {
		DEBUG(0, ("alloc_sub_specified: Out of memory!\n"));
		return NULL;
	}
	
	for (b = s = a_string; (p = strchr_m(s, '%')); s = a_string + (p - b)) {

		r = NULL;
		b = t = a_string;
		
		switch (*(p+1)) {
		case 'U' : 
			r = strdup_lower(smb_name);
			if (r == NULL) goto error;
			t = realloc_string_sub(t, "%U", r);
			break;
		case 'G' :
			r = strdup(smb_name);
			if (r == NULL) goto error;
			if ((pass = Get_Pwnam(r))!=NULL) {
				t = realloc_string_sub(t, "%G", gidtoname(pass->pw_gid));
			} 
			break;
		case 'D' :
			r = strdup_upper(current_user_info.domain);
			if (r == NULL) goto error;
			t = realloc_string_sub(t, "%D", r);
			break;
		case 'I' :
			t = realloc_string_sub(t, "%I", client_addr());
			break;
		case 'L' : 
			if (local_machine_name && *local_machine_name)
				t = realloc_string_sub(t, "%L", local_machine_name); 
			else
				t = realloc_string_sub(t, "%L", global_myname()); 
			break;
		case 'N':
			t = realloc_string_sub(t, "%N", automount_server(smb_name));
			break;
		case 'M' :
			t = realloc_string_sub(t, "%M", client_name());
			break;
		case 'R' :
			t = realloc_string_sub(t, "%R", remote_proto);
			break;
		case 'T' :
			t = realloc_string_sub(t, "%T", timestring(False));
			break;
		case 'a' :
			t = realloc_string_sub(t, "%a", remote_arch);
			break;
		case 'd' :
			slprintf(pidstr,sizeof(pidstr)-1, "%d",(int)sys_getpid());
			t = realloc_string_sub(t, "%d", pidstr);
			break;
		case 'h' :
			t = realloc_string_sub(t, "%h", myhostname());
			break;
		case 'm' :
			t = realloc_string_sub(t, "%m", remote_machine);
			break;
		case 'v' :
			t = realloc_string_sub(t, "%v", SAMBA_VERSION_STRING);
			break;
		case '$' :
			t = realloc_expand_env_var(t, p); /* Expand environment variables */
			break;
			
		default: 
			break;
		}

		p++;
		SAFE_FREE(r);
		if (t == NULL) goto error;
		a_string = t;
	}

	return a_string;
error:
	SAFE_FREE(a_string);
	return NULL;
}