/*
rpc.c - NSS lookup functions for rpc database
Copyright (C) 2006 West Consulting
Copyright (C) 2006-2015 Arthur de Jong
Copyright (C) 2010 Symas Corporation
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA
*/
#include "config.h"
#include <string.h>
#include <errno.h>
#include "prototypes.h"
#include "common.h"
#include "compat/attrs.h"
/* read a sinlge rpc entry from the stream */
static nss_status_t read_rpcent(TFILE *fp, struct rpcent *result,
char *buffer, size_t buflen, int *errnop)
{
int32_t tmpint32, tmp2int32, tmp3int32;
size_t bufptr = 0;
memset(result, 0, sizeof(struct rpcent));
READ_BUF_STRING(fp, result->r_name);
READ_BUF_STRINGLIST(fp, result->r_aliases);
READ_INT32(fp, result->r_number);
return NSS_STATUS_SUCCESS;
}
#ifdef NSS_FLAVOUR_GLIBC
/* get a rpc entry by name */
nss_status_t NSS_NAME(getrpcbyname_r)(const char *name,
struct rpcent *result, char *buffer,
size_t buflen, int *errnop)
{
NSS_GETONE(NSLCD_ACTION_RPC_BYNAME,
WRITE_STRING(fp, name),
read_rpcent(fp, result, buffer, buflen, errnop));
}
/* get a rpc entry by number */
nss_status_t NSS_NAME(getrpcbynumber_r)(int number, struct rpcent *result,
char *buffer, size_t buflen,
int *errnop)
{
NSS_GETONE(NSLCD_ACTION_RPC_BYNUMBER,
WRITE_INT32(fp, number),
read_rpcent(fp, result, buffer, buflen, errnop));
}
/* thread-local file pointer to an ongoing request */
static TLS TFILE *rpcentfp;
/* request a stream to list all rpc entries */
nss_status_t NSS_NAME(setrpcent)(int UNUSED(stayopen))
{
NSS_SETENT(rpcentfp);
}
/* get an rpc entry from the list */
nss_status_t NSS_NAME(getrpcent_r)(struct rpcent *result,
char *buffer, size_t buflen, int *errnop)
{
NSS_GETENT(rpcentfp, NSLCD_ACTION_RPC_ALL,
read_rpcent(rpcentfp, result, buffer, buflen, errnop));
}
/* close the stream opened by setrpcent() above */
nss_status_t NSS_NAME(endrpcent)(void)
{
NSS_ENDENT(rpcentfp);
}
#endif /* NSS_FLAVOUR_GLIBC */
#ifdef NSS_FLAVOUR_SOLARIS
#ifdef HAVE_STRUCT_NSS_XBYY_ARGS_RETURNLEN
static char *rpcent2str(struct rpcent *result, char *buffer, size_t buflen)
{
int res, i;
res = snprintf(buffer, buflen, "%s %d", result->r_name, result->r_number);
if ((res < 0) || (res >= (int)buflen))
return NULL;
if (result->r_aliases)
for (i = 0; result->r_aliases[i]; i++)
{
strlcat(buffer, " ", buflen);
strlcat(buffer, result->r_aliases[i], buflen);
}
if (strlen(buffer) >= buflen - 1)
return NULL;
return buffer;
}
#endif /* HAVE_STRUCT_NSS_XBYY_ARGS_RETURNLEN */
static nss_status_t read_result(TFILE *fp, nss_XbyY_args_t *args)
{
READ_RESULT(rpcent, &args->erange);
}
static nss_status_t rpc_getrpcbyname(nss_backend_t UNUSED(*be), void *args)
{
NSS_GETONE(NSLCD_ACTION_RPC_BYNAME,
WRITE_STRING(fp, NSS_ARGS(args)->key.name),
read_result(fp, args));
}
static nss_status_t rpc_getrpcbynumber(nss_backend_t UNUSED(*be), void *args)
{
NSS_GETONE(NSLCD_ACTION_RPC_BYNUMBER,
WRITE_INT32(fp, NSS_ARGS(args)->key.number),
read_result(fp, args));
}
static nss_status_t rpc_setrpcent(nss_backend_t *be, void UNUSED(*args))
{
NSS_SETENT(LDAP_BE(be)->fp);
}
static nss_status_t rpc_getrpcent(nss_backend_t *be, void *args)
{
NSS_GETENT(LDAP_BE(be)->fp, NSLCD_ACTION_RPC_ALL,
read_result(LDAP_BE(be)->fp, args));
}
static nss_status_t rpc_endrpcent(nss_backend_t *be, void UNUSED(*args))
{
NSS_ENDENT(LDAP_BE(be)->fp);
}
static nss_backend_op_t rpc_ops[] = {
nss_ldap_destructor,
rpc_endrpcent,
rpc_setrpcent,
rpc_getrpcent,
rpc_getrpcbyname,
rpc_getrpcbynumber
};
nss_backend_t *NSS_NAME(rpc_constr)(const char UNUSED(*db_name),
const char UNUSED(*src_name),
const char UNUSED(*cfg_args))
{
return nss_ldap_constructor(rpc_ops, sizeof(rpc_ops));
}
#endif /* NSS_FLAVOUR_SOLARIS */