support/include/exportfs.h

   1 /*
   2  * support/include/exportfs.h
   3  *
   4  * Declarations for exportfs and mountd
   5  *
   6  * Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de>
   7  */
   8
   9 #ifndef EXPORTFS_H
  10 #define EXPORTFS_H
  11
  12 #include <netdb.h>
  13 #include "nfslib.h"
  14
  15 enum {
  16         MCL_FQDN = 0,
  17         MCL_SUBNETWORK,
  18         MCL_IPADDR = MCL_SUBNETWORK,
  19         MCL_WILDCARD,
  20         MCL_NETGROUP,
  21         MCL_ANONYMOUS,
  22         MCL_GSS,
  23         MCL_MAXTYPES
  24 };
  25
  26 enum {
  27         FSLOC_NONE = 0,
  28         FSLOC_REFER,
  29         FSLOC_REPLICA,
  30         FSLOC_STUB
  31 };
  32
  33 typedef struct mclient {
  34         struct mclient *        m_next;
  35         char *                  m_hostname;
  36         int                     m_type;
  37         int                     m_naddr;
  38         struct in_addr          m_addrlist[NFSCLNT_ADDRMAX];
  39         int                     m_exported;     /* exported to nfsd */
  40         int                     m_count;
  41 } nfs_client;
  42
  43 typedef struct mexport {
  44         struct mexport *        m_next;
  45         struct mclient *        m_client;
  46         struct exportent        m_export;
  47         int                     m_exported;     /* known to knfsd. -1 means not sure */
  48         int                     m_xtabent  : 1, /* xtab entry exists */
  49                                 m_mayexport: 1, /* derived from xtabbed */
  50                                 m_changed  : 1, /* options (may) have changed */
  51                                 m_warned   : 1; /* warned about multiple exports
  52                                                  * matching one client */
  53 } nfs_export;
  54
  55 #define HASH_TABLE_SIZE 1021
  56
  57 typedef struct _exp_hash_entry {
  58         nfs_export * p_first;
  59         nfs_export * p_last;
  60 } exp_hash_entry;
  61
  62 typedef struct _exp_hash_table {
  63         nfs_export * p_head;
  64         exp_hash_entry entries[HASH_TABLE_SIZE];
  65 } exp_hash_table;
  66
  67 extern exp_hash_table exportlist[MCL_MAXTYPES];
  68
  69 extern nfs_client *             clientlist[MCL_MAXTYPES];
  70
  71 nfs_client *                    client_lookup(char *hname, int canonical);
  72 nfs_client *                    client_dup(nfs_client *, struct hostent *);
  73 int                             client_gettype(char *hname);
  74 int                             client_check(nfs_client *, struct hostent *);
  75 void                            client_release(nfs_client *);
  76 void                            client_freeall(void);
  77 char *                          client_compose(struct hostent *he);
  78 struct hostent *                client_resolve(struct in_addr addr);
  79 int                             client_member(const char *client,
  80                                                 const char *name);
  81
  82 int                             export_read(char *fname);
  83 void                    export_add(nfs_export *);
  84 void                            export_reset(nfs_export *);
  85 nfs_export *                    export_lookup(char *hname, char *path, int caconical);
  86 nfs_export *                    export_find(struct hostent *, char *path);
  87 nfs_export *                    export_allowed(struct hostent *, char *path);
  88 nfs_export *                    export_create(struct exportent *, int canonical);
  89 nfs_export *                    export_dup(nfs_export *, struct hostent *);
  90 void                            export_freeall(void);
  91 int                             export_export(nfs_export *);
  92 int                             export_unexport(nfs_export *);
  93
  94 int                             xtab_mount_read(void);
  95 int                             xtab_export_read(void);
  96 int                             xtab_mount_write(void);
  97 int                             xtab_export_write(void);
  98 void                            xtab_append(nfs_export *);
  99
 100 int                             secinfo_addflavor(struct flav_info *, struct exportent *);
 101
 102 int                             rmtab_read(void);
 103
 104 struct nfskey *                 key_lookup(char *hname);
 105
 106 struct export_features {
 107         unsigned int flags;
 108         unsigned int secinfo_flags;
 109 };
 110
 111 struct export_features *get_export_features(void);
 112
 113 /* Record export error.  */
 114 extern int export_errno;
 115
 116 #endif /* EXPORTFS_H */