ldap/common/getauthattr.c

	getauthattr.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 <auth_attr.h>
#include "ldap_common.h"


/* auth_attr attributes filters */
#define _AUTH_NAME      "cn"
#define _AUTH_RES1      "SolarisAttrReserved1"
#define _AUTH_RES2      "SolarisAttrReserved2"
#define _AUTH_SHORTDES      "SolarisAttrShortDesc"
#define _AUTH_LONGDES       "SolarisAttrLongDesc"
#define _AUTH_ATTRS     "SolarisAttrKeyValue"
#define _AUTH_GETAUTHNAME   "(&(objectClass=SolarisAuthAttr)(cn=%s))"
#define _AUTH_GETAUTHNAME_SSD   "(&(%%s)(cn=%s))"


static const char *auth_attrs[] = {
    _AUTH_NAME,
    _AUTH_RES1,
    _AUTH_RES2,
    _AUTH_SHORTDES,
    _AUTH_LONGDES,
    _AUTH_ATTRS,
    (char *)NULL
};


static int
_nss_ldap_auth2ent(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;
    authstr_t       *auth = (authstr_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_auth2ent;
    }
    auth = (authstr_t *)(argp->buf.result);
    ceiling = buffer + buflen;
    auth->name = (char *)NULL;
    auth->res1 = (char *)NULL;
    auth->res2 = (char *)NULL;
    auth->short_desc = (char *)NULL;
    auth->long_desc = (char *)NULL;
    auth->attr = (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_auth2ent;
    }

    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_auth2ent;
        }
        if (strcasecmp(attrptr->attrname, _AUTH_NAME) == 0) {
            if ((attrptr->attrvalue[0] == NULL) ||
                (len = strlen(attrptr->attrvalue[0])) < 1) {
                nss_result = (int)NSS_STR_PARSE_PARSE;
                goto result_auth2ent;
            }
            auth->name = buffer;
            buffer += len + 1;
            if (buffer >= ceiling) {
                nss_result = (int)NSS_STR_PARSE_ERANGE;
                goto result_auth2ent;
            }
            (void) strcpy(auth->name, attrptr->attrvalue[0]);
            continue;
        }
        if (strcasecmp(attrptr->attrname, _AUTH_RES1) == 0) {
            if ((attrptr->attrvalue[0] == NULL) ||
                (len = strlen(attrptr->attrvalue[0])) < 1) {
                auth->res1 = nullstring;
            } else {
                auth->res1 = buffer;
                buffer += len + 1;
                if (buffer >= ceiling) {
                    nss_result = (int)NSS_STR_PARSE_ERANGE;
                    goto result_auth2ent;
                }
                (void) strcpy(auth->res1,
                    attrptr->attrvalue[0]);
            }
            continue;
        }
        if (strcasecmp(attrptr->attrname, _AUTH_RES2) == 0) {
            if ((attrptr->attrvalue[0] == NULL) ||
                (len = strlen(attrptr->attrvalue[0])) < 1) {
                auth->res2 = nullstring;
            } else {
                auth->res2 = buffer;
                buffer += len + 1;
                if (buffer >= ceiling) {
                    nss_result = (int)NSS_STR_PARSE_ERANGE;
                    goto result_auth2ent;
                }
                (void) strcpy(auth->res2,
                    attrptr->attrvalue[0]);
            }
            continue;
        }
        if (strcasecmp(attrptr->attrname, _AUTH_SHORTDES) == 0) {
            if ((attrptr->attrvalue[0] == NULL) ||
                (len = strlen(attrptr->attrvalue[0])) < 1) {
                auth->short_desc = nullstring;
            } else {
                auth->short_desc = buffer;
                buffer += len + 1;
                if (buffer >= ceiling) {
                    nss_result = (int)NSS_STR_PARSE_ERANGE;
                    goto result_auth2ent;
                }
                (void) strcpy(auth->short_desc,
                    attrptr->attrvalue[0]);
            }
            continue;
        }
        if (strcasecmp(attrptr->attrname, _AUTH_LONGDES) == 0) {
            if ((attrptr->attrvalue[0] == NULL) ||
                (len = strlen(attrptr->attrvalue[0])) < 1) {
                auth->long_desc = nullstring;
            } else {
                auth->long_desc = buffer;
                buffer += len + 1;
                if (buffer >= ceiling) {
                    nss_result = (int)NSS_STR_PARSE_ERANGE;
                    goto result_auth2ent;
                }
                (void) strcpy(auth->long_desc,
                    attrptr->attrvalue[0]);
            }
            continue;
        }
        if (strcasecmp(attrptr->attrname, _AUTH_ATTRS) == 0) {
            if ((attrptr->attrvalue[0] == NULL) ||
                (len = strlen(attrptr->attrvalue[0])) < 1) {
                auth->attr = nullstring;
            } else {
                auth->attr = buffer;
                buffer += len + 1;
                if (buffer >= ceiling) {
                    nss_result = (int)NSS_STR_PARSE_ERANGE;
                    goto result_auth2ent;
                }
                (void) strcpy(auth->attr,
                    attrptr->attrvalue[0]);
            }
            continue;
        }
    }

#ifdef  DEBUG
    (void) fprintf(stdout, "\n[getauthattr.c: _nss_ldap_auth2ent]\n");
    (void) fprintf(stdout, "      auth-name: [%s]\n", auth->name);
    if (auth->res1 != (char *)NULL) {
        (void) fprintf(stdout, "      res1: [%s]\n", auth->res1);
    }
    if (auth->res2 != (char *)NULL) {
        (void) fprintf(stdout, "      res2: [%s]\n", auth->res2);
    }
    if (auth->short_desc != (char *)NULL) {
        (void) fprintf(stdout, "      short_desc: [%s]\n",
            auth->short_desc);
    }
    if (auth->long_desc != (char *)NULL) {
        (void) fprintf(stdout, "      long_desc: [%s]\n",
            auth->long_desc);
    }
    if (auth->attr != (char *)NULL) {
        (void) fprintf(stdout, "      attr: [%s]\n", auth->attr);
    }
#endif  /* DEBUG */

result_auth2ent:
    (void) __ns_ldap_freeResult(&be->result);
    return ((int)nss_result);
}


static nss_status_t
getbyname(ldap_backend_ptr be, void *a)
{
    nss_XbyY_args_t *argp = (nss_XbyY_args_t *)a;
    char        searchfilter[SEARCHFILTERLEN];
    char        userdata[SEARCHFILTERLEN];
    char        name[SEARCHFILTERLEN];
    int     ret;

#ifdef  DEBUG
    (void) fprintf(stdout, "\n[getauthattr.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, SEARCHFILTERLEN,
        _AUTH_GETAUTHNAME, name);
    if (ret >= sizeof (searchfilter) || ret < 0)
        return ((nss_status_t)NSS_NOTFOUND);

    ret = snprintf(userdata, sizeof (userdata),
        _AUTH_GETAUTHNAME_SSD, name);
    if (ret >= sizeof (userdata) || ret < 0)
        return ((nss_status_t)NSS_NOTFOUND);

    return ((nss_status_t)_nss_ldap_lookup(be, argp,
        _AUTHATTR, searchfilter, NULL, _merge_SSD_filter, userdata));
}


static ldap_backend_op_t authattr_ops[] = {
    _nss_ldap_destr,
    _nss_ldap_endent,
    _nss_ldap_setent,
    _nss_ldap_getent,
    getbyname
};


/*ARGSUSED0*/
nss_backend_t *
_nss_ldap_auth_attr_constr(const char *dummy1,
    const char *dummy2,
    const char *dummy3,
    const char *dummy4,
    const char *dummy5)
{
#ifdef  DEBUG
    (void) fprintf(stdout,
        "\n[getauthattr.c: _nss_ldap_auth_attr_constr]\n");
#endif
    return ((nss_backend_t *)_nss_ldap_constr(authattr_ops,
        sizeof (authattr_ops)/sizeof (authattr_ops[0]), _AUTHATTR,
        auth_attrs, _nss_ldap_auth2ent));
}