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/* $OpenBSD: modify.c,v 1.2 2010/06/15 15:47:56 martinh Exp $ */
/*
* Copyright (c) 2009, 2010 Martin Hedenfalk <martin@bzero.se>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <sys/queue.h>
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include "ldapd.h"
#include "uuid.h"
int
ldap_delete(struct request *req)
{
int rc;
char *dn;
struct namespace *ns;
++stats.req_mod;
if (ber_scanf_elements(req->op, "s", &dn) != 0)
return ldap_respond(req, LDAP_PROTOCOL_ERROR);
normalize_dn(dn);
log_debug("deleting entry %s", dn);
if ((ns = namespace_for_base(dn)) == NULL)
return ldap_respond(req, LDAP_NAMING_VIOLATION);
if (!authorized(req->conn, ns, ACI_WRITE, dn, LDAP_SCOPE_BASE))
return ldap_respond(req, LDAP_INSUFFICIENT_ACCESS);
if ((rc = namespace_begin(ns)) == BT_DEAD) {
if (namespace_queue_request(ns, req) != 0)
return ldap_respond(req, LDAP_BUSY);
return LDAP_BUSY;
} else if (rc != BT_SUCCESS)
return ldap_respond(req, LDAP_OTHER);
switch (namespace_del(ns, dn)) {
case BT_NOTFOUND:
rc = LDAP_NO_SUCH_OBJECT;
break;
case BT_SUCCESS:
rc = LDAP_SUCCESS;
break;
default:
rc = LDAP_OTHER;
break;
}
namespace_commit(ns);
if (rc >= 0)
ldap_respond(req, rc);
return rc;
}
int
ldap_add(struct request *req)
{
char uuid_str[64];
struct uuid uuid;
char *dn;
struct ber_element *attrs, *set;
struct namespace *ns;
int rc;
++stats.req_mod;
if (ber_scanf_elements(req->op, "{se", &dn, &attrs) != 0)
return ldap_respond(req, LDAP_PROTOCOL_ERROR);
normalize_dn(dn);
log_debug("adding entry %s", dn);
if (*dn == '\0')
return ldap_respond(req, LDAP_INVALID_DN_SYNTAX);
if ((ns = namespace_for_base(dn)) == NULL)
return ldap_respond(req, LDAP_NAMING_VIOLATION);
if (!authorized(req->conn, ns, ACI_WRITE, dn, LDAP_SCOPE_BASE) != 0)
return ldap_respond(req, LDAP_INSUFFICIENT_ACCESS);
if ((rc = namespace_begin(ns)) == BT_DEAD) {
if (namespace_queue_request(ns, req) != 0)
return ldap_respond(req, LDAP_BUSY);
return LDAP_BUSY;
} else if (rc != BT_SUCCESS)
return ldap_respond(req, LDAP_OTHER);
/* add operational attributes
*/
set = ber_add_set(NULL);
ber_add_string(set, req->conn->binddn ?: "");
ldap_add_attribute(attrs, "creatorsName", set);
set = ber_add_set(NULL);
ber_add_string(set, ldap_now());
ldap_add_attribute(attrs, "createTimestamp", set);
uuid_create(&uuid);
uuid_to_string(&uuid, uuid_str, sizeof(uuid_str));
set = ber_add_set(NULL);
ber_add_string(set, uuid_str);
ldap_add_attribute(attrs, "entryUUID", set);
if ((rc = validate_entry(dn, attrs, ns->relax)) != LDAP_SUCCESS)
goto done;
switch (namespace_add(ns, dn, attrs)) {
case BT_SUCCESS:
rc = LDAP_SUCCESS;
break;
case BT_EXISTS:
rc = LDAP_ALREADY_EXISTS;
break;
default:
rc = LDAP_OTHER;
break;
}
done:
namespace_commit(ns);
if (rc >= 0)
ldap_respond(req, rc);
return rc;
}
int
ldap_modify(struct request *req)
{
int rc;
char *dn;
long long op;
const char *attr;
struct ber_element *mods, *entry, *mod, *vals, *a, *set;
struct namespace *ns;
struct attr_type *at;
++stats.req_mod;
if (ber_scanf_elements(req->op, "{se", &dn, &mods) != 0)
return ldap_respond(req, LDAP_PROTOCOL_ERROR);
normalize_dn(dn);
log_debug("modifying dn %s", dn);
if (*dn == 0)
return ldap_respond(req, LDAP_INVALID_DN_SYNTAX);
if ((ns = namespace_for_base(dn)) == NULL)
return ldap_respond(req, LDAP_NAMING_VIOLATION);
if (!authorized(req->conn, ns, ACI_WRITE, dn, LDAP_SCOPE_BASE) != 0)
return ldap_respond(req, LDAP_INSUFFICIENT_ACCESS);
if ((rc = namespace_begin(ns)) == BT_DEAD) {
if (namespace_queue_request(ns, req) != 0)
return ldap_respond(req, LDAP_BUSY);
return LDAP_BUSY;
} else if (rc != BT_SUCCESS)
return ldap_respond(req, LDAP_OTHER);
if ((entry = namespace_get(ns, dn)) == NULL) {
rc = LDAP_NO_SUCH_OBJECT;
goto done;
}
for (mod = mods->be_sub; mod; mod = mod->be_next) {
if (ber_scanf_elements(mod, "{E{se", &op, &attr, &vals) != 0) {
rc = LDAP_PROTOCOL_ERROR;
goto done;
}
if ((at = lookup_attribute(attr)) == NULL && !ns->relax) {
log_debug("unknown attribute type %s", attr);
rc = LDAP_NO_SUCH_ATTRIBUTE;
goto done;
}
if (at != NULL && at->immutable) {
log_debug("attempt to modify immutable attribute %s",
attr);
rc = LDAP_CONSTRAINT_VIOLATION;
goto done;
}
if (at != NULL && at->usage != USAGE_USER_APP) {
log_debug("attempt to modify operational attribute %s",
attr);
rc = LDAP_CONSTRAINT_VIOLATION;
goto done;
}
a = ldap_get_attribute(entry, attr);
switch (op) {
case LDAP_MOD_ADD:
if (a == NULL)
ldap_add_attribute(entry, attr, vals);
else
ldap_merge_values(a, vals);
break;
case LDAP_MOD_DELETE:
if (vals->be_sub &&
vals->be_sub->be_type == BER_TYPE_SET)
ldap_del_values(a, vals);
else
ldap_del_attribute(entry, attr);
break;
case LDAP_MOD_REPLACE:
if (vals->be_sub) {
if (a == NULL)
ldap_add_attribute(entry, attr, vals);
else
ldap_set_values(a, vals);
} else if (a == NULL)
ldap_del_attribute(entry, attr);
break;
}
}
if ((rc = validate_entry(dn, entry, ns->relax)) != LDAP_SUCCESS)
goto done;
set = ber_add_set(NULL);
ber_add_string(set, req->conn->binddn ?: "");
if ((a = ldap_get_attribute(entry, "modifiersName")) != NULL)
ldap_set_values(a, set);
else
ldap_add_attribute(entry, "modifiersName", set);
set = ber_add_set(NULL);
ber_add_string(set, ldap_now());
if ((a = ldap_get_attribute(entry, "modifyTimestamp")) != NULL)
ldap_set_values(a, set);
else
ldap_add_attribute(entry, "modifyTimestamp", set);
switch (namespace_update(ns, dn, entry)) {
case BT_SUCCESS:
rc = LDAP_SUCCESS;
break;
case BT_EXISTS:
rc = LDAP_ALREADY_EXISTS;
break;
default:
rc = LDAP_OTHER;
break;
}
done:
namespace_commit(ns);
if (rc >= 0)
ldap_respond(req, rc);
return rc;
}
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