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/*
* support/include/nfslib.h
*
* General support functions for NFS user-space programs.
*
* Copyright (C) 1995 Olaf Kirch <okir@monad.swb.de>
*/
#ifndef NFSLIB_H
#define NFSLIB_H
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <stdio.h>
#include <paths.h>
#include <rpcsvc/nfs_prot.h>
#include <nfs/nfs.h>
#include "xlog.h"
#ifndef _PATH_EXPORTS
#define _PATH_EXPORTS "/etc/exports"
#endif
#ifndef _PATH_EXPORTS_D
#define _PATH_EXPORTS_D "/etc/exports.d"
#endif
#ifndef _EXT_EXPORT
#define _EXT_EXPORT ".exports"
#endif
#ifndef _PATH_IDMAPDCONF
#define _PATH_IDMAPDCONF "/etc/idmapd.conf"
#endif
#ifndef _PATH_XTAB
#define _PATH_XTAB NFS_STATEDIR "/xtab"
#endif
#ifndef _PATH_XTABTMP
#define _PATH_XTABTMP NFS_STATEDIR "/xtab.tmp"
#endif
#ifndef _PATH_XTABLCK
#define _PATH_XTABLCK NFS_STATEDIR "/.xtab.lock"
#endif
#ifndef _PATH_ETAB
#define _PATH_ETAB NFS_STATEDIR "/etab"
#endif
#ifndef _PATH_ETABTMP
#define _PATH_ETABTMP NFS_STATEDIR "/etab.tmp"
#endif
#ifndef _PATH_ETABLCK
#define _PATH_ETABLCK NFS_STATEDIR "/.etab.lock"
#endif
#ifndef _PATH_RMTAB
#define _PATH_RMTAB NFS_STATEDIR "/rmtab"
#endif
#ifndef _PATH_RMTABTMP
#define _PATH_RMTABTMP _PATH_RMTAB ".tmp"
#endif
#ifndef _PATH_RMTABLCK
#define _PATH_RMTABLCK NFS_STATEDIR "/.rmtab.lock"
#endif
#ifndef _PATH_PROC_EXPORTS
#define _PATH_PROC_EXPORTS "/proc/fs/nfs/exports"
#define _PATH_PROC_EXPORTS_ALT "/proc/fs/nfsd/exports"
#endif
/* Maximum number of security flavors on an export: */
#define SECFLAVOR_COUNT 8
struct sec_entry {
struct flav_info *flav;
int flags;
};
/*
* Data related to a single exports entry as returned by getexportent.
* FIXME: export options should probably be parsed at a later time to
* allow overrides when using exportfs.
*/
struct exportent {
char * e_hostname;
char e_path[NFS_MAXPATHLEN+1];
int e_flags;
int e_anonuid;
int e_anongid;
int * e_squids;
int e_nsquids;
int * e_sqgids;
int e_nsqgids;
unsigned int e_fsid;
char * e_mountpoint;
int e_fslocmethod;
char * e_fslocdata;
char * e_uuid;
struct sec_entry e_secinfo[SECFLAVOR_COUNT+1];
unsigned int e_ttl;
};
struct rmtabent {
char r_client[NFSCLNT_IDMAX+1];
char r_path[NFS_MAXPATHLEN+1];
int r_count;
};
/*
* configuration file parsing
*/
void setexportent(char *fname, char *type);
struct exportent * getexportent(int,int);
void secinfo_show(FILE *fp, struct exportent *ep);
void putexportent(struct exportent *xep);
void endexportent(void);
struct exportent * mkexportent(char *hname, char *path, char *opts);
void dupexportent(struct exportent *dst,
struct exportent *src);
int updateexportent(struct exportent *eep, char *options);
int setrmtabent(char *type);
struct rmtabent * getrmtabent(int log, long *pos);
void putrmtabent(struct rmtabent *xep, long *pos);
void endrmtabent(void);
void rewindrmtabent(void);
FILE * fsetrmtabent(char *fname, char *type);
struct rmtabent * fgetrmtabent(FILE *fp, int log, long *pos);
void fputrmtabent(FILE *fp, struct rmtabent *xep, long *pos);
void fendrmtabent(FILE *fp);
void frewindrmtabent(FILE *fp);
/*
* wildmat borrowed from INN
*/
int wildmat(char *text, char *pattern);
/*
* nfsd library functions.
*/
int nfsctl(int, struct nfsctl_arg *, union nfsctl_res *);
int nfsaddclient(struct nfsctl_client *clp);
int nfsdelclient(struct nfsctl_client *clp);
int nfsexport(struct nfsctl_export *exp);
int nfsunexport(struct nfsctl_export *exp);
struct nfs_fh_len * getfh_old(const struct sockaddr_in *sin,
const dev_t dev, const ino_t ino);
struct nfs_fh_len * getfh(const struct sockaddr_in *sin, const char *path);
struct nfs_fh_len * getfh_size(const struct sockaddr_in *sin,
const char *path, int const size);
void qword_print(FILE *f, char *str);
void qword_printhex(FILE *f, char *str, int slen);
void qword_printint(FILE *f, int num);
int qword_eol(FILE *f);
int readline(int fd, char **buf, int *lenp);
int qword_get(char **bpp, char *dest, int bufsize);
int qword_get_int(char **bpp, int *anint);
void cache_flush(int force);
int check_new_cache(void);
void qword_add(char **bpp, int *lp, char *str);
void qword_addhex(char **bpp, int *lp, char *buf, int blen);
void qword_addint(char **bpp, int *lp, int n);
void qword_adduint(char **bpp, int *lp, unsigned int n);
void qword_addeol(char **bpp, int *lp);
int qword_get_uint(char **bpp, unsigned int *anint);
void qword_printuint(FILE *f, unsigned int num);
void qword_printtimefrom(FILE *f, unsigned int num);
void closeall(int min);
int svctcp_socket (u_long __number, int __reuse);
int svcudp_socket (u_long __number);
/* Misc shared code prototypes */
size_t strlcat(char *, const char *, size_t);
size_t strlcpy(char *, const char *, size_t);
ssize_t atomicio(ssize_t (*f) (int, void*, size_t),
int, void *, size_t);
#define UNUSED(x) UNUSED_ ## x __attribute__((unused))
#endif /* NFSLIB_H */
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