static int
prldap_switch_gethostbyname_r(const char *name,
struct hostent *result, char *buffer, int buflen,
int *h_errnop)
{
nss_XbyY_args_t arg;
nss_status_t res;
struct hostent *resp;
/*
* Log the information indicating that we are trying to
* resolve the LDAP server name.
*/
syslog(LOG_INFO, "libldap: Resolving server name \"%s\"", name);
NSS_XbyY_INIT(&arg, result, buffer, buflen, str2hostent);
arg.key.name = name;
arg.stayopen = 0;
res = nss_search(&db_root_hosts, prldap_initf_hosts,
NSS_DBOP_HOSTS_BYNAME, &arg);
arg.status = res;
*h_errnop = arg.h_errno;
resp = (struct hostent *)NSS_XbyY_FINI(&arg);
return (resp != NULL ? PR_SUCCESS : PR_FAILURE);
}
/*
* BSD-compatible getgrouplist(3) using nss_search(3)
*/
int
getgrouplist(const char *name, gid_t basegid, gid_t *groups, int *ngroupsp)
{
struct nss_groupsbymem gbm;
static DEFINE_NSS_DB_ROOT(db_root);
/* We support BSD semantics where the first element is the base gid */
if (*ngroupsp <= 0)
return -1;
groups[0] = basegid;
memset(&gbm, 0, sizeof(gbm));
gbm.username = name;
gbm.gid_array = groups;
gbm.maxgids = *ngroupsp;
gbm.numgids = 1; /* for basegid */
gbm.force_slow_way = 1;
gbm.str2ent = str2grp;
gbm.process_cstr = process_cstr;
/*
* Can't use nss_search return value since it may return NSS_UNAVAIL
* when no nsswitch.conf entry (e.g. compat mode).
*/
(void)nss_search(&db_root, _nss_initf_group, NSS_DBOP_GROUP_BYMEMBER, &gbm);
if (gbm.numgids <= gbm.maxgids) {
*ngroupsp = gbm.numgids;
return 0;
}
*ngroupsp = gbm.maxgids;
return -1;
}
/*
* POSIX.1c Draft-6 version of the function getpwuid_r.
* It was implemented by Solaris 2.3.
*/
struct passwd *
getpwuid_r(uid_t uid, struct passwd *result, char *buffer, int buflen)
{
nss_XbyY_args_t arg;
NSS_XbyY_INIT(&arg, result, buffer, buflen, str2passwd);
arg.key.uid = uid;
(void) nss_search(&db_root, _nss_initf_passwd, NSS_DBOP_PASSWD_BYUID,
&arg);
return ((struct passwd *)NSS_XbyY_FINI(&arg));
}
struct passwd *
_uncached_getpwnam_r(const char *name, struct passwd *result, char *buffer,
int buflen)
{
nss_XbyY_args_t arg;
NSS_XbyY_INIT(&arg, result, buffer, buflen, str2passwd);
arg.key.name = name;
(void) nss_search(&db_root, _nss_initf_passwd, NSS_DBOP_PASSWD_BYNAME,
&arg);
return ((struct passwd *)NSS_XbyY_FINI(&arg));
}
authstr_t *
_getauthnam(const char *name, authstr_t *result, char *buffer, int buflen,
int *errnop)
{
nss_XbyY_args_t arg;
nss_status_t res;
NSS_XbyY_INIT(&arg, result, buffer, buflen, str2authattr);
arg.key.name = name;
arg.stayopen = authattr_stayopen;
res = nss_search(&db_root, _nss_initf_authattr,
NSS_DBOP_AUTHATTR_BYNAME, &arg);
arg.status = res;
*errnop = arg.h_errno;
return ((authstr_t *)NSS_XbyY_FINI(&arg));
}
au_user_str_t *
_getauusernam(const char *name, au_user_str_t *result, char *buffer,
int buflen, int *errnop)
{
nss_XbyY_args_t arg;
nss_status_t res;
if (result == NULL) {
*errnop = AUDITUSER_PARSE_ERANGE;
return (NULL);
}
NSS_XbyY_INIT(&arg, result, buffer, buflen, str2auuser);
arg.key.name = name;
arg.stayopen = auuser_stayopen;
arg.h_errno = AUDITUSER_NOT_FOUND;
res = nss_search(&db_root, _nss_initf_auuser,
NSS_DBOP_AUDITUSER_BYNAME, &arg);
arg.status = res;
*errnop = arg.h_errno;
return ((au_user_str_t *)NSS_XbyY_FINI(&arg));
}
/*
* Given a 32 bit key look it up in the netmasks database
* based on the "netmasks" policy in /etc/nsswitch.conf.
* If the key is a network number with the trailing zero's removed
* (e.g. "192.9.200") this routine can't use inet_ntoa to convert
* the address to the string key.
* Returns zero if successful, non-zero otherwise.
*/
static int
getnetmaskbykey(const struct in_addr addr, struct in_addr *mask)
{
nss_XbyY_args_t arg;
nss_status_t res;
char tmp[NSS_LINELEN_NETMASKS];
/*
* let the backend do the allocation to store stuff for parsing.
* To simplify things, we put the dotted internet address form of
* the network address in the 'name' field as a filter to speed
* up the lookup.
*/
if (inet_nettoa(addr, tmp, NSS_LINELEN_NETMASKS) == NULL)
return (NSS_NOTFOUND);
NSS_XbyY_INIT(&arg, mask, NULL, 0, str2addr);
arg.key.name = tmp;
res = nss_search(&db_root, _nss_initf_netmasks,
NSS_DBOP_NETMASKS_BYNET, &arg);
(void) NSS_XbyY_FINI(&arg);
return (arg.status = res);
}
