Example #1
0
/** Convert CONFIG_PAIR to VALUE_PAIR_MAP.
 *
 * Treats the left operand as a
 * @verbatim<request>.<list>.<attribute>@endverbatim reference and the right
 * operand as a module specific value.
 *
 * The left operand will be pre-parsed into request ref, dst list, and da,
 * the right operand will be left as a string.
 *
 * Return must be freed with radius_mapfree.
 *
 * @param[in] cp to convert to map.
 * @param[in] request_def The default request to insert unqualified
 *	attributes into.
 * @param[in] list_def The default list to insert unqualified attributes into.
 * @return VALUE_PAIR_MAP if successful or NULL on error.
 */
VALUE_PAIR_MAP *radius_cp2map(CONF_PAIR *cp, request_refs_t request_def,
			      pair_lists_t list_def)
{
	VALUE_PAIR_MAP *map;
	const char *attr;
	const char *value;
	
	map = rad_malloc(sizeof(VALUE_PAIR_MAP));
	memset(map, 0, sizeof(VALUE_PAIR_MAP));
     
	attr = cf_pair_attr(cp);
	
	map->dst = radius_attr2tmpl(attr, request_def, list_def);
	if (!map->dst){
		goto error;
	}

	value = cf_pair_value(cp);
	if (!value) {
		radlog(L_ERR, "Missing attribute name");
		
		goto error;
	}
	
	map->src = radius_str2tmpl(value);
	if (!map->src) {
		goto error;
	}
	
	map->op_token = cf_pair_operator(cp);
	
	/*
	 *	Infer whether we need to expand the mapping values
	 *	The old style attribute map allowed the user to specify
	 *	whether the LDAP value should be expanded. 
	 *	We can't really support that easily, but equivalent
	 *	functionality should be available with %{eval:}
	 */
	switch (cf_pair_value_type(cp))
	{
		case T_BARE_WORD:
		case T_SINGLE_QUOTED_STRING:
			map->src->do_xlat = FALSE;
		break;
		case T_BACK_QUOTED_STRING:
		case T_DOUBLE_QUOTED_STRING:
			map->src->do_xlat = TRUE;		
		break;
		default:
			rad_assert(0);
			goto error;
	}
	
	return map;
	
	error:
		radius_mapfree(&map);
		return NULL;
}
Example #2
0
/** Modify user's object in LDAP
 *
 * Process a modifcation map to update a user object in the LDAP directory.
 *
 * @param inst rlm_ldap instance.
 * @param request Current request.
 * @param section that holds the map to process.
 * @return one of the RLM_MODULE_* values.
 */
static rlm_rcode_t user_modify(ldap_instance_t *inst, REQUEST *request, ldap_acct_section_t *section)
{
	rlm_rcode_t	rcode = RLM_MODULE_OK;
	ldap_rcode_t	status;

	ldap_handle_t	*conn = NULL;

	LDAPMod		*mod_p[LDAP_MAX_ATTRMAP + 1], mod_s[LDAP_MAX_ATTRMAP];
	LDAPMod		**modify = mod_p;

	char		*passed[LDAP_MAX_ATTRMAP * 2];
	int		i, total = 0, last_pass = 0;

	char 		*expanded[LDAP_MAX_ATTRMAP];
	int		last_exp = 0;

	char const	*attr;
	char const	*value;

	char const	*dn;
	/*
	 *	Build our set of modifications using the update sections in
	 *	the config.
	 */
	CONF_ITEM  	*ci;
	CONF_PAIR	*cp;
	CONF_SECTION 	*cs;
	FR_TOKEN	op;
	char		path[MAX_STRING_LEN];

	char		*p = path;

	rad_assert(section);

	/*
	 *	Locate the update section were going to be using
	 */
	if (section->reference[0] != '.') {
		*p++ = '.';
	}

	if (radius_xlat(p, (sizeof(path) - (p - path)) - 1, request, section->reference, NULL, NULL) < 0) {
		goto error;
	}

	ci = cf_reference_item(NULL, section->cs, path);
	if (!ci) {
		goto error;
	}

	if (!cf_item_is_section(ci)){
		REDEBUG("Reference must resolve to a section");

		goto error;
	}

	cs = cf_section_sub_find(cf_itemtosection(ci), "update");
	if (!cs) {
		REDEBUG("Section must contain 'update' subsection");

		goto error;
	}

	/*
	 *	Iterate over all the pairs, building our mods array
	 */
	for (ci = cf_item_find_next(cs, NULL); ci != NULL; ci = cf_item_find_next(cs, ci)) {
		bool do_xlat = false;

		if (total == LDAP_MAX_ATTRMAP) {
			REDEBUG("Modify map size exceeded");

			goto error;
		}

		if (!cf_item_is_pair(ci)) {
			REDEBUG("Entry is not in \"ldap-attribute = value\" format");

			goto error;
		}

		/*
		 *	Retrieve all the information we need about the pair
		 */
		cp = cf_itemtopair(ci);
		value = cf_pair_value(cp);
		attr = cf_pair_attr(cp);
		op = cf_pair_operator(cp);

		if (!value || (*value == '\0')) {
			RDEBUG("Empty value string, skipping attribute \"%s\"", attr);

			continue;
		}

		switch (cf_pair_value_type(cp)) {
		case T_BARE_WORD:
		case T_SINGLE_QUOTED_STRING:
			break;

		case T_BACK_QUOTED_STRING:
		case T_DOUBLE_QUOTED_STRING:
			do_xlat = true;
			break;

		default:
			rad_assert(0);
			goto error;
		}

		if (op == T_OP_CMP_FALSE) {
			passed[last_pass] = NULL;
		} else if (do_xlat) {
			char *exp = NULL;

			if (radius_axlat(&exp, request, value, NULL, NULL) <= 0) {
				RDEBUG("Skipping attribute \"%s\"", attr);

				talloc_free(exp);

				continue;
			}

			expanded[last_exp++] = exp;
			passed[last_pass] = exp;
		/*
		 *	Static strings
		 */
		} else {
			memcpy(&(passed[last_pass]), &value, sizeof(passed[last_pass]));
		}

		passed[last_pass + 1] = NULL;

		mod_s[total].mod_values = &(passed[last_pass]);

		last_pass += 2;

		switch (op) {
		/*
		 *  T_OP_EQ is *NOT* supported, it is impossible to
		 *  support because of the lack of transactions in LDAP
		 */
		case T_OP_ADD:
			mod_s[total].mod_op = LDAP_MOD_ADD;
			break;

		case T_OP_SET:
			mod_s[total].mod_op = LDAP_MOD_REPLACE;
			break;

		case T_OP_SUB:
		case T_OP_CMP_FALSE:
			mod_s[total].mod_op = LDAP_MOD_DELETE;
			break;

#ifdef LDAP_MOD_INCREMENT
		case T_OP_INCRM:
			mod_s[total].mod_op = LDAP_MOD_INCREMENT;
			break;
#endif
		default:
			REDEBUG("Operator '%s' is not supported for LDAP modify operations",
				fr_int2str(fr_tokens, op, "<INVALID>"));

			goto error;
		}

		/*
		 *	Now we know the value is ok, copy the pointers into
		 *	the ldapmod struct.
		 */
		memcpy(&(mod_s[total].mod_type), &attr, sizeof(mod_s[total].mod_type));

		mod_p[total] = &(mod_s[total]);
		total++;
	}

	if (total == 0) {
		rcode = RLM_MODULE_NOOP;
		goto release;
	}

	mod_p[total] = NULL;

	conn = mod_conn_get(inst, request);
	if (!conn) return RLM_MODULE_FAIL;


	dn = rlm_ldap_find_user(inst, request, &conn, NULL, false, NULL, &rcode);
	if (!dn || (rcode != RLM_MODULE_OK)) {
		goto error;
	}

	status = rlm_ldap_modify(inst, request, &conn, dn, modify);
	switch (status) {
	case LDAP_PROC_SUCCESS:
		break;

	case LDAP_PROC_REJECT:
	case LDAP_PROC_BAD_DN:
		rcode = RLM_MODULE_INVALID;
		break;

	default:
		rcode = RLM_MODULE_FAIL;
		break;
	};

	release:
	error:
	/*
	 *	Free up any buffers we allocated for xlat expansion
	 */
	for (i = 0; i < last_exp; i++) {
		talloc_free(expanded[i]);
	}

	mod_conn_release(inst, conn);

	return rcode;
}
Example #3
0
/** Convert CONFIG_PAIR (which may contain refs) to value_pair_map_t.
 *
 * Treats the left operand as an attribute reference
 * @verbatim<request>.<list>.<attribute>@endverbatim
 *
 * Treatment of left operand depends on quotation, barewords are treated as
 * attribute references, double quoted values are treated as expandable strings,
 * single quoted values are treated as literal strings.
 *
 * Return must be freed with talloc_free
 *
 * @param[in] ctx for talloc
 * @param[in] cp to convert to map.
 * @param[in] dst_request_def The default request to insert unqualified
 *	attributes into.
 * @param[in] dst_list_def The default list to insert unqualified attributes
 *	into.
 * @param[in] src_request_def The default request to resolve attribute
 *	references in.
 * @param[in] src_list_def The default list to resolve unqualified attributes
 *	in.
 * @return value_pair_map_t if successful or NULL on error.
 */
value_pair_map_t *radius_cp2map(TALLOC_CTX *ctx, CONF_PAIR *cp,
				request_refs_t dst_request_def,
				pair_lists_t dst_list_def,
				request_refs_t src_request_def,
				pair_lists_t src_list_def)
{
	value_pair_map_t *map;
	char const *attr;
	char const *value;
	FR_TOKEN type;
	CONF_ITEM *ci = cf_pairtoitem(cp);

	if (!cp) return NULL;

	map = talloc_zero(ctx, value_pair_map_t);

	attr = cf_pair_attr(cp);
	value = cf_pair_value(cp);
	if (!value) {
		cf_log_err(ci, "Missing attribute value");
		goto error;
	}

	map->dst = radius_attr2tmpl(map, attr, dst_request_def, dst_list_def);
	if (!map->dst) {
		cf_log_err(ci, "Syntax error in attribute definition");
		goto error;
	}

	/*
	 *	Bare words always mean attribute references.
	 */
	type = cf_pair_value_type(cp);
	if (type == T_BARE_WORD) {
		if (*value == '&') {
			map->src = radius_attr2tmpl(map, value + 1, src_request_def, src_list_def);

		} else {
			if (!isdigit((int) *value) &&
			    ((strchr(value, ':') != NULL) ||
			     (dict_attrbyname(value) != NULL))) {
				map->src = radius_attr2tmpl(map, value, src_request_def, src_list_def);
			}
			if (map->src) {
				WDEBUG("%s[%d]: Please add '&' for attribute reference '%s = &%s'",
				       cf_pair_filename(cp), cf_pair_lineno(cp),
				       attr, value);
			} else {
				map->src = radius_str2tmpl(map, value, type);
			}
		}
	} else {
		map->src = radius_str2tmpl(map, value, type);
	}

	if (!map->src) {
		goto error;
	}

	map->op = cf_pair_operator(cp);
	map->ci = ci;

	/*
	 *	Lots of sanity checks for insane people...
	 */

	/*
	 *	We don't support implicit type conversion,
	 *	except for "octets"
	 */
	if (map->dst->da && map->src->da &&
	    (map->src->da->type != map->dst->da->type) &&
	    (map->src->da->type != PW_TYPE_OCTETS) &&
	    (map->dst->da->type != PW_TYPE_OCTETS)) {
		cf_log_err(ci, "Attribute type mismatch");
		goto error;
	}

	/*
	 *	What exactly where you expecting to happen here?
	 */
	if ((map->dst->type == VPT_TYPE_ATTR) &&
	    (map->src->type == VPT_TYPE_LIST)) {
		cf_log_err(ci, "Can't copy list into an attribute");
		goto error;
	}

	/*
	 *	Can't copy an xlat expansion or literal into a list,
	 *	we don't know what type of attribute we'd need
	 *	to create
	 */
	if ((map->dst->type == VPT_TYPE_LIST) &&
	    ((map->src->type == VPT_TYPE_XLAT) || (map->src->type == VPT_TYPE_LITERAL))) {
		cf_log_err(ci, "Can't copy value into list (we don't know which attribute to create)");
		goto error;
	}

	/*
	 *	Depending on the attribute type, some operators are
	 *	disallowed.
	 */
	if (map->dst->type == VPT_TYPE_ATTR) {
		if ((map->op != T_OP_EQ) &&
		    (map->op != T_OP_CMP_EQ) &&
		    (map->op != T_OP_ADD) &&
		    (map->op != T_OP_SUB) &&
		    (map->op != T_OP_LE) &&
		    (map->op != T_OP_GE) &&
		    (map->op != T_OP_CMP_FALSE) &&
		    (map->op != T_OP_SET)) {
			cf_log_err(ci, "Invalid operator for attribute");
			goto error;
		}
	}

	switch (map->src->type) {
		/*
		 *	Only += and -= operators are supported for list copy.
		 */
		case VPT_TYPE_LIST:
			switch (map->op) {
			case T_OP_SUB:
			case T_OP_ADD:
				break;

			default:
				cf_log_err(ci, "Operator \"%s\" not allowed "
					   "for list copy",
					   fr_int2str(fr_tokens, map->op, "<INVALID>"));
				goto error;
			}
		break;

		default:
			break;
	}

	return map;

error:
	talloc_free(map);
	return NULL;
}
/** Convert CONFIG_PAIR (which may contain refs) to value_pair_map_t.
 *
 * Treats the left operand as an attribute reference
 * @verbatim<request>.<list>.<attribute>@endverbatim 
 *
 * Treatment of left operand depends on quotation, barewords are treated as
 * attribute references, double quoted values are treated as expandable strings,
 * single quoted values are treated as literal strings.
 *
 * Return must be freed with radius_mapfree.
 *
 * @param[in] cp to convert to map.
 * @param[in] dst_request_def The default request to insert unqualified
 *	attributes into.
 * @param[in] dst_list_def The default list to insert unqualified attributes
 *	into.
 * @param[in] src_request_def The default request to resolve attribute
 *	references in.
 * @param[in] src_list_def The default list to resolve unqualified attributes
 *	in.
 * @return value_pair_map_t if successful or NULL on error.
 */
value_pair_map_t *radius_cp2map(CONF_PAIR *cp,
				request_refs_t dst_request_def,
				pair_lists_t dst_list_def,
				request_refs_t src_request_def,
				pair_lists_t src_list_def)
{
	value_pair_map_t *map;
	const char *attr;
	const char *value;
	FR_TOKEN type;
	CONF_ITEM *ci = cf_pairtoitem(cp); 
	
	if (!cp) return NULL;
	
	map = rad_calloc(sizeof(value_pair_map_t));

	attr = cf_pair_attr(cp);
	value = cf_pair_value(cp);
	if (!value) {
		cf_log_err(ci, "Missing attribute value");
		
		goto error;
	}
	
	map->dst = radius_attr2tmpl(attr, dst_request_def, dst_list_def);
	if (!map->dst){
		goto error;
	}

	/*
	 *	Bare words always mean attribute references.
	 */
	type = cf_pair_value_type(cp);
	map->src = type == T_BARE_WORD ?
		   radius_attr2tmpl(value, src_request_def, src_list_def) :
		   radius_str2tmpl(value, type);

	if (!map->src) {
		goto error;
	}

	map->op = cf_pair_operator(cp);
	map->ci = ci;
	
	/*
	 *	Lots of sanity checks for insane people...
	 */
	 
	/*
	 *	We don't support implicit type conversion
	 */
	if (map->dst->da && map->src->da &&
	    (map->src->da->type != map->dst->da->type)) {
		cf_log_err(ci, "Attribute type mismatch");
		
		goto error;
	}
	
	/*
	 *	What exactly where you expecting to happen here?
	 */
	if ((map->dst->type == VPT_TYPE_ATTR) &&
	    (map->src->type == VPT_TYPE_LIST)) {
		cf_log_err(ci, "Can't copy list into an attribute");
		
		goto error;
	}

	switch (map->src->type) 
	{
	
		/*
		 *	Only += and -= operators are supported for list copy.
		 */
		case VPT_TYPE_LIST:
			switch (map->op) {
			case T_OP_SUB:
			case T_OP_ADD:
				break;
			
			default:
				cf_log_err(ci, "Operator \"%s\" not allowed "
					   "for list copy",
					   fr_int2str(fr_tokens, map->op,
						      "¿unknown?"));
				goto error;
			}
		break;
		/*
		 *	@todo add support for exec expansion.
		 */
		case VPT_TYPE_EXEC:
			cf_log_err(ci, "Exec values are not allowed");
			break;
		default:
			break;
	}
	
	return map;
	
	error:
		radius_mapfree(&map);
		return NULL;
}
Example #5
0
/** Convert CONFIG_PAIR (which may contain refs) to value_pair_map_t.
 *
 * Treats the left operand as an attribute reference
 * @verbatim<request>.<list>.<attribute>@endverbatim
 *
 * Treatment of left operand depends on quotation, barewords are treated as
 * attribute references, double quoted values are treated as expandable strings,
 * single quoted values are treated as literal strings.
 *
 * Return must be freed with talloc_free
 *
 * @param[in] ctx for talloc
 * @param[in] cp to convert to map.
 * @param[in] dst_request_def The default request to insert unqualified
 *	attributes into.
 * @param[in] dst_list_def The default list to insert unqualified attributes
 *	into.
 * @param[in] src_request_def The default request to resolve attribute
 *	references in.
 * @param[in] src_list_def The default list to resolve unqualified attributes
 *	in.
 * @return value_pair_map_t if successful or NULL on error.
 */
value_pair_map_t *radius_cp2map(TALLOC_CTX *ctx, CONF_PAIR *cp,
				request_refs_t dst_request_def,
				pair_lists_t dst_list_def,
				request_refs_t src_request_def,
				pair_lists_t src_list_def)
{
	value_pair_map_t *map;
	char const *attr;
	char const *value;
	FR_TOKEN type;
	CONF_ITEM *ci = cf_pairtoitem(cp);

	if (!cp) return NULL;

	map = talloc_zero(ctx, value_pair_map_t);
	map->op = cf_pair_operator(cp);
	map->ci = ci;

	attr = cf_pair_attr(cp);
	value = cf_pair_value(cp);
	if (!value) {
		cf_log_err(ci, "Missing attribute value");
		goto error;
	}

	/*
	 *	LHS must always be an attribute reference.
	 */
	map->dst = radius_attr2tmpl(map, attr, dst_request_def, dst_list_def);
	if (!map->dst) {
		cf_log_err(ci, "Syntax error in attribute definition");
		goto error;
	}

	/*
	 *	RHS might be an attribute reference.
	 */
	type = cf_pair_value_type(cp);
	map->src = radius_str2tmpl(map, value, type, src_request_def, src_list_def);
	if (!map->src) {
		goto error;
	}

	/*
	 *	Anal-retentive checks.
	 */
	if (debug_flag > 2) {
		if ((map->dst->type == VPT_TYPE_ATTR) && (*attr != '&')) {
			WARN("%s[%d]: Please change attribute reference to '&%s %s ...'",
			       cf_pair_filename(cp), cf_pair_lineno(cp),
			       attr, fr_int2str(fr_tokens, map->op, "<INVALID>"));
		}

		if ((map->src->type == VPT_TYPE_ATTR) && (*value != '&')) {
			WARN("%s[%d]: Please change attribute reference to '... %s &%s'",
			       cf_pair_filename(cp), cf_pair_lineno(cp),
			       fr_int2str(fr_tokens, map->op, "<INVALID>"), value);
		}
	}

	/*
	 *	Lots of sanity checks for insane people...
	 */

	/*
	 *	We don't support implicit type conversion,
	 *	except for "octets"
	 */
	if (map->dst->vpt_da && map->src->vpt_da &&
	    (map->src->vpt_da->type != map->dst->vpt_da->type) &&
	    (map->src->vpt_da->type != PW_TYPE_OCTETS) &&
	    (map->dst->vpt_da->type != PW_TYPE_OCTETS)) {
		cf_log_err(ci, "Attribute type mismatch");
		goto error;
	}

	/*
	 *	What exactly where you expecting to happen here?
	 */
	if ((map->dst->type == VPT_TYPE_ATTR) &&
	    (map->src->type == VPT_TYPE_LIST)) {
		cf_log_err(ci, "Can't copy list into an attribute");
		goto error;
	}

	/*
	 *	Depending on the attribute type, some operators are
	 *	disallowed.
	 */
	if (map->dst->type == VPT_TYPE_ATTR) {
		if ((map->op != T_OP_EQ) &&
		    (map->op != T_OP_CMP_EQ) &&
		    (map->op != T_OP_ADD) &&
		    (map->op != T_OP_SUB) &&
		    (map->op != T_OP_LE) &&
		    (map->op != T_OP_GE) &&
		    (map->op != T_OP_CMP_FALSE) &&
		    (map->op != T_OP_SET)) {
			cf_log_err(ci, "Invalid operator for attribute");
			goto error;
		}

		/*
		 *	This will be an error in future versions of
		 *	the server.
		 */
		if ((map->op == T_OP_CMP_FALSE) &&
		    ((map->src->type != VPT_TYPE_LITERAL) ||
		     (strcmp(map->src->name, "ANY") != 0))) {
			WARN("%s[%d] Attribute deletion MUST use '!* ANY'",
			       cf_pair_filename(cp), cf_pair_lineno(cp));
		}
	}

	if (map->dst->type == VPT_TYPE_LIST) {
		/*
		 *	Only += and :=, and !* operators are supported
		 *	for lists.
		 */
		switch (map->op) {
		case T_OP_CMP_FALSE:
			if ((map->src->type != VPT_TYPE_LITERAL) ||
			    (strcmp(map->src->name, "ANY") != 0)) {
				cf_log_err(ci, "List deletion MUST use '!* ANY'");
				goto error;
			}
			break;

		case T_OP_ADD:
			if ((map->src->type != VPT_TYPE_LIST) &&
			    (map->src->type != VPT_TYPE_EXEC)) {
				cf_log_err(ci, "Invalid source for list '+='");
				goto error;
			}
			break;

		case T_OP_SET:
			if (map->src->type == VPT_TYPE_EXEC) {
				WARN("%s[%d] Please change ':=' to '=' for list assignment",
				       cf_pair_filename(cp), cf_pair_lineno(cp));
				break;
			}

			if (map->src->type != VPT_TYPE_LIST) {
				cf_log_err(ci, "Invalid source for ':=' operator");
				goto error;
			}
			break;

		case T_OP_EQ:
			if (map->src->type != VPT_TYPE_EXEC) {
				cf_log_err(ci, "Invalid source for '=' operator");
				goto error;
			}
			break;

		default:
			cf_log_err(ci, "Operator \"%s\" not allowed for list assignment",
				   fr_int2str(fr_tokens, map->op, "<INVALID>"));
			goto error;
		}
	}

	return map;

error:
	talloc_free(map);
	return NULL;
}
Example #6
0
/** Convert an 'update' config section into an attribute map.
 *
 * Uses 'name2' of section to set default request and lists.
 * Copied from map_afrom_cs, except that list assignments can have the RHS
 * be a bare word.
 *
 * @param[in] cs the update section
 * @param[out] out Where to store the head of the map.
 * @param[in] dst_list_def The default destination list, usually dictated by
 * 	the section the module is being called in.
 * @param[in] src_list_def The default source list, usually dictated by the
 *	section the module is being called in.
 * @param[in] max number of mappings to process.
 * @return -1 on error, else 0.
 */
static int ldap_map_afrom_cs(value_pair_map_t **out, CONF_SECTION *cs, pair_lists_t dst_list_def, pair_lists_t src_list_def,
			     unsigned int max)
{
	char const *cs_list, *p;

	request_refs_t request_def = REQUEST_CURRENT;

	CONF_ITEM *ci;

	unsigned int total = 0;
	value_pair_map_t **tail, *map;
	TALLOC_CTX *ctx;

	*out = NULL;
	tail = out;

	if (!cs) return 0;

	/*
	 *	The first map has cs as the parent.
	 *	The rest have the previous map as the parent.
	 */
	ctx = cs;

	ci = cf_sectiontoitem(cs);

	cs_list = p = cf_section_name2(cs);
	if (cs_list) {
		request_def = radius_request_name(&p, REQUEST_CURRENT);
		if (request_def == REQUEST_UNKNOWN) {
			cf_log_err(ci, "Default request specified "
				   "in mapping section is invalid");
			return -1;
		}

		dst_list_def = fr_str2int(pair_lists, p, PAIR_LIST_UNKNOWN);
		if (dst_list_def == PAIR_LIST_UNKNOWN) {
			cf_log_err(ci, "Default list \"%s\" specified "
				   "in mapping section is invalid", p);
			return -1;
		}
	}

	for (ci = cf_item_find_next(cs, NULL);
	     ci != NULL;
	     ci = cf_item_find_next(cs, ci)) {
		char const *attr;
		FR_TOKEN type;
		CONF_PAIR *cp;

		cp = cf_itemtopair(ci);

		type = cf_pair_value_type(cp);

		if (total++ == max) {
			cf_log_err(ci, "Map size exceeded");
			goto error;
		}

		if (!cf_item_is_pair(ci)) {
			cf_log_err(ci, "Entry is not in \"attribute = value\" format");
			goto error;
		}

		cp = cf_itemtopair(ci);

		/*
		 *	Look for "list: OP BARE_WORD".  If it exists,
		 *	we can make the RHS a bare word.  Otherwise,
		 *	just call map_afrom_cp()
		 *
		 *	Otherwise, the map functions check the RHS of
		 *	list assignments, and complain that the RHS
		 *	isn't another list.
		 */
		attr = cf_pair_attr(cp);

		p = strrchr(attr, ':');
		if (!p || (p[1] != '\0') || (type == T_DOUBLE_QUOTED_STRING)) {
			if (map_afrom_cp(ctx, &map, cp, request_def, dst_list_def, REQUEST_CURRENT, src_list_def) < 0) {
				goto error;
			}
		} else {
			ssize_t slen;
			char const *value;

			map = talloc_zero(ctx, value_pair_map_t);
			map->op = cf_pair_operator(cp);
			map->ci = cf_pairtoitem(cp);

			slen = tmpl_afrom_attr_str(ctx, &map->lhs, attr, request_def, dst_list_def);
			if (slen <= 0) {
				char *spaces, *text;

				fr_canonicalize_error(ctx, &spaces, &text, slen, attr);
				
				cf_log_err(ci, "Failed parsing list reference");
				cf_log_err(ci, "%s", text);
				cf_log_err(ci, "%s^ %s", spaces, fr_strerror());

				talloc_free(spaces);
				talloc_free(text);
				goto error;
			}
		      
			if (map->lhs->type != TMPL_TYPE_LIST) {
				cf_log_err(map->ci, "Invalid list name");
				goto error;
			}
			
			if (map->op != T_OP_ADD) {
				cf_log_err(map->ci, "Only '+=' operator is permitted for valuepair to list mapping");
				goto error;
			}

			value = cf_pair_value(cp);
			if (!value) {
				cf_log_err(map->ci, "No value specified for list assignment");
				goto error;
			}

			/*
			 *	the RHS type is a bare word or single
			 *	quoted string.  We don't want it being
			 *	interpreted as a list or attribute
			 *	reference, so we force the RHS to be a
			 *	literal.
			 */
			slen = tmpl_afrom_str(ctx, &map->rhs, value, T_SINGLE_QUOTED_STRING, request_def, dst_list_def);
			if (slen <= 0) {
				char *spaces, *text;

				fr_canonicalize_error(ctx, &spaces, &text, slen, value);
				
				cf_log_err(ci, "Failed parsing string");
				cf_log_err(ci, "%s", text);
				cf_log_err(ci, "%s^ %s", spaces, fr_strerror());

				talloc_free(spaces);
				talloc_free(text);
				goto error;
			}

			/*
			 *	And unlike map_afrom_cp(), we do NOT
			 *	try to parse the RHS as a list
			 *	reference.  It's a literal, and we
			 *	leave it as a literal.
			 */
			rad_assert(map->rhs->type == TMPL_TYPE_LITERAL);
		}

		ctx = *tail = map;
		tail = &(map->next);
	}

	return 0;
error:
	TALLOC_FREE(*out);
	return -1;
}