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/*
common.h - common server code routines
This file is part of the nss-ldapd library.
Copyright (C) 2006 West Consulting
Copyright (C) 2006, 2007 Arthur de Jong
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
*/
#ifndef _SERVER_COMMON_H
#define _SERVER_COMMON_H 1
#include "nslcd.h"
#include "nslcd-common.h"
#include "common/tio.h"
#include "compat/attrs.h"
#include "ldap-nss.h"
/* macros for basic read and write operations, the following
ERROR_OUT* marcos define the action taken on errors
the stream is not closed because the caller closes the
stream */
#define ERROR_OUT_WRITEERROR(fp) \
log_log(LOG_WARNING,"error writing to client"); \
return -1;
#define ERROR_OUT_READERROR(fp) \
log_log(LOG_WARNING,"error reading from client"); \
return -1;
#define ERROR_OUT_BUFERROR(fp) \
log_log(LOG_WARNING,"client supplied argument too large"); \
return -1;
/* a simple wrapper around snprintf,
returns 0 if ok, -1 on error */
int mysnprintf(char *buffer,size_t buflen,const char *format, ...)
LIKE_PRINTF(3,4);
/* these are the different functions that handle the database
specific actions, see nslcd.h for the action descriptions */
int nslcd_alias_byname(TFILE *fp,MYLDAP_SESSION *session);
int nslcd_alias_all(TFILE *fp,MYLDAP_SESSION *session);
int nslcd_ether_byname(TFILE *fp,MYLDAP_SESSION *session);
int nslcd_ether_byether(TFILE *fp,MYLDAP_SESSION *session);
int nslcd_ether_all(TFILE *fp,MYLDAP_SESSION *session);
int nslcd_group_byname(TFILE *fp,MYLDAP_SESSION *session);
int nslcd_group_bygid(TFILE *fp,MYLDAP_SESSION *session);
int nslcd_group_bymember(TFILE *fp,MYLDAP_SESSION *session);
int nslcd_group_all(TFILE *fp,MYLDAP_SESSION *session);
int nslcd_host_byname(TFILE *fp,MYLDAP_SESSION *session);
int nslcd_host_byaddr(TFILE *fp,MYLDAP_SESSION *session);
int nslcd_host_all(TFILE *fp,MYLDAP_SESSION *session);
int nslcd_netgroup_byname(TFILE *fp,MYLDAP_SESSION *session);
int nslcd_network_byname(TFILE *fp,MYLDAP_SESSION *session);
int nslcd_network_byaddr(TFILE *fp,MYLDAP_SESSION *session);
int nslcd_network_all(TFILE *fp,MYLDAP_SESSION *session);
int nslcd_passwd_byname(TFILE *fp,MYLDAP_SESSION *session);
int nslcd_passwd_byuid(TFILE *fp,MYLDAP_SESSION *session);
int nslcd_passwd_all(TFILE *fp,MYLDAP_SESSION *session);
int nslcd_protocol_byname(TFILE *fp,MYLDAP_SESSION *session);
int nslcd_protocol_bynumber(TFILE *fp,MYLDAP_SESSION *session);
int nslcd_protocol_all(TFILE *fp,MYLDAP_SESSION *session);
int nslcd_rpc_byname(TFILE *fp,MYLDAP_SESSION *session);
int nslcd_rpc_bynumber(TFILE *fp,MYLDAP_SESSION *session);
int nslcd_rpc_all(TFILE *fp,MYLDAP_SESSION *session);
int nslcd_service_byname(TFILE *fp,MYLDAP_SESSION *session);
int nslcd_service_bynumber(TFILE *fp,MYLDAP_SESSION *session);
int nslcd_service_all(TFILE *fp,MYLDAP_SESSION *session);
int nslcd_shadow_byname(TFILE *fp,MYLDAP_SESSION *session);
int nslcd_shadow_all(TFILE *fp,MYLDAP_SESSION *session);
/* macro for generating service handling code */
#define NSLCD_HANDLE(db,fn,readfn,logcall,action,mkfilter,writefn) \
int nslcd_##db##_##fn(TFILE *fp,MYLDAP_SESSION *session) \
{ \
/* define commong variables */ \
int32_t tmpint32; \
MYLDAP_SEARCH *search; \
MYLDAP_ENTRY *entry; \
/* read request parameters */ \
readfn; \
/* log call */ \
logcall; \
/* write the response header */ \
WRITE_INT32(fp,NSLCD_VERSION); \
WRITE_INT32(fp,action); \
/* prepare the search filter */ \
if (mkfilter) \
{ \
log_log(LOG_WARNING,"nslcd_" __STRING(db) "_" __STRING(fn) "(): filter buffer too small"); \
return -1; \
} \
/* build the list of attributes */ \
db##_init(); \
/* do the LDAP search */ \
if ((search=myldap_search(session,db##_base,db##_scope,filter,db##_attrs))==NULL) \
return -1; \
/* go over results */ \
while ((entry=myldap_get_entry(search))!=NULL) \
{ \
writefn; \
} \
/* write the final result code */ \
WRITE_INT32(fp,NSLCD_RESULT_NOTFOUND); \
/* we're done */ \
WRITE_FLUSH(fp); \
return 0; \
}
#endif /* not _SERVER_COMMON_H */
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