getauuser.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
* or http://www.opensolaris.org/os/licensing.
* 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 <secdb.h>
#include "ldap_common.h"
#include <bsm/libbsm.h>
/* audit_user attributes */
#define _AU_NAME "uid"
#define _AU_ALWAYS "SolarisAuditAlways"
#define _AU_NEVER "SolarisAuditNever"
#define _AU_GETAUUSERNAME "(&(objectClass=SolarisAuditUser)(uid=%s))"
#define _AU_GETAUUSERNAME_SSD "(&(%%s)(uid=%s))"
static const char *auuser_attrs[] = {
_AU_NAME,
_AU_ALWAYS,
_AU_NEVER,
(char *)NULL
};
static int
_nss_ldap_au2ent(ldap_backend_ptr be, nss_XbyY_args_t *argp)
{
int i, nss_result;
int buflen = (int)0;
unsigned long len = 0L;
char *nullstring = (char *)NULL;
char *buffer = (char *)NULL;
char *ceiling = (char *)NULL;
au_user_str_t *au_user = (au_user_str_t *)NULL;
ns_ldap_attr_t *attrptr;
ns_ldap_result_t *result = be->result;
buffer = argp->buf.buffer;
buflen = (size_t)argp->buf.buflen;
if (!argp->buf.result) {
nss_result = (int)NSS_STR_PARSE_ERANGE;
goto result_au2ent;
}
au_user = (au_user_str_t *)(argp->buf.result);
ceiling = buffer + buflen;
au_user->au_name = (char *)NULL;
au_user->au_always = (char *)NULL;
au_user->au_never = (char *)NULL;
nss_result = (int)NSS_STR_PARSE_SUCCESS;
(void) memset(argp->buf.buffer, 0, buflen);
attrptr = getattr(result, 0);
if (attrptr == NULL) {
nss_result = (int)NSS_STR_PARSE_PARSE;
goto result_au2ent;
}
for (i = 0; i < result->entry->attr_count; i++) {
attrptr = getattr(result, i);
if (attrptr == NULL) {
nss_result = (int)NSS_STR_PARSE_PARSE;
goto result_au2ent;
}
if (strcasecmp(attrptr->attrname, _AU_NAME) == 0) {
if ((attrptr->attrvalue[0] == NULL) ||
(len = strlen(attrptr->attrvalue[0])) < 1) {
nss_result = (int)NSS_STR_PARSE_PARSE;
goto result_au2ent;
}
au_user->au_name = buffer;
buffer += len + 1;
if (buffer >= ceiling) {
nss_result = (int)NSS_STR_PARSE_ERANGE;
goto result_au2ent;
}
(void) strcpy(au_user->au_name, attrptr->attrvalue[0]);
continue;
}
if (strcasecmp(attrptr->attrname, _AU_ALWAYS) == 0) {
if ((attrptr->attrvalue[0] == NULL) ||
(len = strlen(attrptr->attrvalue[0])) < 1) {
au_user->au_always = nullstring;
} else {
au_user->au_always = buffer;
buffer += len + 1;
if (buffer >= ceiling) {
nss_result = (int)NSS_STR_PARSE_ERANGE;
goto result_au2ent;
}
(void) strcpy(au_user->au_always,
attrptr->attrvalue[0]);
}
continue;
}
if (strcasecmp(attrptr->attrname, _AU_NEVER) == 0) {
if ((attrptr->attrvalue[0] == NULL) ||
(len = strlen(attrptr->attrvalue[0])) < 1) {
au_user->au_never = nullstring;
} else {
au_user->au_never = buffer;
buffer += len + 1;
if (buffer >= ceiling) {
nss_result = (int)NSS_STR_PARSE_ERANGE;
goto result_au2ent;
}
(void) strcpy(au_user->au_never,
attrptr->attrvalue[0]);
}
continue;
}
}
#ifdef DEBUG
(void) fprintf(stdout, "\n[getauuser.c: _nss_ldap_au2ent]\n");
(void) fprintf(stdout, " au_name: [%s]\n", au_user->au_name);
if (au_user->au_always != (char *)NULL) {
(void) fprintf(stdout, " au_always: [%s]\n",
au_user->au_always);
}
if (au_user->au_never != (char *)NULL) {
(void) fprintf(stdout, " au_never: [%s]\n",
au_user->au_never);
}
#endif /* DEBUG */
result_au2ent:
(void) __ns_ldap_freeResult(&be->result);
return ((int)nss_result);
}
static nss_status_t
getbyname(ldap_backend_ptr be, void *a)
{
char searchfilter[SEARCHFILTERLEN];
char userdata[SEARCHFILTERLEN];
char name[SEARCHFILTERLEN];
nss_XbyY_args_t *argp = (nss_XbyY_args_t *)a;
int ret;
#ifdef DEBUG
(void) fprintf(stdout, "\n[getauuser.c: getbyname]\n");
#endif /* DEBUG */
if (_ldap_filter_name(name, argp->key.name, sizeof (name)) != 0)
return ((nss_status_t)NSS_NOTFOUND);
ret = snprintf(searchfilter, sizeof (searchfilter),
_AU_GETAUUSERNAME, name);
if (ret >= sizeof (searchfilter) || ret < 0)
return ((nss_status_t)NSS_NOTFOUND);
ret = snprintf(userdata, sizeof (userdata),
_AU_GETAUUSERNAME_SSD, name);
if (ret >= sizeof (userdata) || ret < 0)
return ((nss_status_t)NSS_NOTFOUND);
return (_nss_ldap_lookup(be, argp, _AUUSER, searchfilter, NULL,
_merge_SSD_filter, userdata));
}
static ldap_backend_op_t auuser_ops[] = {
_nss_ldap_destr,
_nss_ldap_endent,
_nss_ldap_setent,
_nss_ldap_getent,
getbyname
};
/*ARGSUSED0*/
nss_backend_t *
_nss_ldap_audit_user_constr(const char *dummy1,
const char *dummy2,
const char *dummy3,
const char *dummy4,
const char *dummy5)
{
#ifdef DEBUG
(void) fprintf(stdout,
"\n[getauuser.c: _nss_ldap_audit_user_constr]\n");
#endif
return ((nss_backend_t *)_nss_ldap_constr(auuser_ops,
sizeof (auuser_ops)/sizeof (auuser_ops[0]), _AUUSER,
auuser_attrs, _nss_ldap_au2ent));
}