getkeyent.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2003 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <pwd.h>
#include <ctype.h>
#include "ldap_common.h"
/* publickey attributes filters */
#define _KEY_CN "cn"
#define _KEY_NISPUBLICKEY "nisPublickey"
#define _KEY_NISSECRETKEY "nisSecretkey"
#define _KEY_UIDNUMBER "uidnumber"
#define _F_GETKEY_USER "(&(objectClass=nisKeyObject)(uidNumber=%s))"
#define _F_GETKEY_USER_SSD "(&(%%s)(uidNumber=%s))"
#define _F_GETKEY_HOST "(&(objectClass=nisKeyObject)(cn=%s))"
#define _F_GETKEY_HOST_SSD "(&(%%s)(cn=%s))"
static const char *keys_attrs[] = {
(char *)NULL
};
/*
* _nss_ldap_key2ent is the data marshaling method for the publickey getXbyY
* (e.g., getpublickey() and getsecretkey()) backend processes. This method
* is called after a successful ldap search has been performed. This method
* will parse the ldap search values into "public:secret" key string =
* argp->buf.buffer which the frontend process expects. Three error
* conditions are expected and returned to nsswitch.
*/
static int
{
int nss_result;
int key_len;
char **key_array;
#ifdef DEBUG
#endif /* DEBUG */
nss_result = (int)NSS_STR_PARSE_ERANGE;
goto result_key2ent;
}
nss_result = (int)NSS_STR_PARSE_SUCCESS;
/* get the publickey */
nss_result = (int)NSS_STR_PARSE_PARSE;
goto result_key2ent;
}
while (*key_array) {
break;
key_array++;
}
nss_result = (int)NSS_STR_PARSE_PARSE;
goto result_key2ent;
}
nss_result = (int)NSS_STR_PARSE_ERANGE;
goto result_key2ent;
}
/* get the secretkey */
/*
* if we got this far, it's possible that the secret
* key is actually missing or no permission to read it.
* For the current implementation, we assume that the
* clients have read permission to the secret key. So,
* the only possibility of reaching this here is due to
* missing secret key.
*/
nss_result = (int)NSS_STR_PARSE_PARSE;
goto result_key2ent;
}
while (*key_array) {
break;
key_array++;
}
nss_result = (int)NSS_STR_PARSE_PARSE;
goto result_key2ent;
}
nss_result = (int)NSS_STR_PARSE_ERANGE;
goto result_key2ent;
}
#ifdef DEBUG
#endif /* DEBUG */
return ((int)nss_result);
}
/*
* getkeys gets both the public and secret keys from publickey entry by either
* uid name or host name. This function constructs an ldap search filter using
* the name invocation parameter and the getpwnam search filter defined. Once
* the filter is constructed, we search for a matching entry and marshal the
* data results into struct passwd for the frontend process. The function
* _nss_ldap_key2ent performs the data marshaling.
* The lookups will be done using the proxy credential. We don't want to use
* the user's credential for lookup at this point because we don't have any
* secure transport.
*/
static nss_status_t
{
char searchfilter[SEARCHFILTERLEN];
char userdata[SEARCHFILTERLEN];
char netname[SEARCHFILTERLEN];
int ret;
#ifdef DEBUG
#endif /* DEBUG */
/*
* We need to break it down to find if this is a netname for host
* or user. We'll pass the domain as is to the LDAP call.
*/
!= 0)
return ((nss_status_t)NSS_NOTFOUND);
if (!domain)
return ((nss_status_t)NSS_NOTFOUND);
*domain++ = '\0';
return ((nss_status_t)NSS_NOTFOUND);
name = ++p;
/* user keys lookup */
return ((nss_status_t)NSS_NOTFOUND);
return ((nss_status_t)NSS_NOTFOUND);
} else {
/* host keys lookup */
return ((nss_status_t)NSS_NOTFOUND);
return ((nss_status_t)NSS_NOTFOUND);
}
return (rc);
}
static ldap_backend_op_t keys_ops[] = {
0,
0,
0,
};
/*
* _nss_ldap_publickey_constr is where life begins. This function calls the
* generic ldap constructor function to define and build the abstract
* data types required to support ldap operations.
*/
/*ARGSUSED0*/
const char *dummy3)
{
#ifdef DEBUG
#endif /* DEBUG */
}