nscd/nscd.h

   1 /* Copyright (c) 1998 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1998.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Library General Public License as
   7    published by the Free Software Foundation; either version 2 of the
   8    License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Library General Public License for more details.
  14
  15    You should have received a copy of the GNU Library General Public
  16    License along with the GNU C Library; see the file COPYING.LIB.  If not,
  17    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18    Boston, MA 02111-1307, USA. */
  19
  20 #ifndef _NSCD_H
  21 #define _NSCD_H 1
  22
  23 #include <grp.h>
  24 #include <pwd.h>
  25
  26 /* Version number of the daemon interface */
  27 #define NSCD_VERSION 1
  28
  29 /* How many threads do we spawn maximal ? */
  30 #define MAX_NUM_CONNECTIONS 16
  31
  32 /* Services provided */
  33 typedef enum
  34 {
  35   GETPWBYNAME,
  36   GETPWBYUID,
  37   GETGRBYNAME,
  38   GETGRBYGID,
  39   GETHOSTBYNAME,
  40   GETHOSTBYADDR,
  41   SHUTDOWN,             /* Shut the server down */
  42   GETSTAT               /* Get the server statistic */
  43 } request_type;
  44
  45 /* Header common to all requests */
  46 typedef struct
  47 {
  48   /* Version number of the daemon interface */
  49   int version;
  50   /* Service requested */
  51   request_type type;
  52   /* key len */
  53   ssize_t key_len;
  54 } request_header;
  55
  56 typedef struct
  57 {
  58   int version;
  59   int found;
  60   ssize_t pw_name_len;
  61   ssize_t pw_passwd_len;
  62   uid_t pw_uid;
  63   gid_t pw_gid;
  64   ssize_t pw_gecos_len;
  65   ssize_t pw_dir_len;
  66   ssize_t pw_shell_len;
  67 } pw_response_header;
  68
  69 typedef struct
  70 {
  71   int version;
  72   int found;
  73   ssize_t gr_name_len;
  74   ssize_t gr_passwd_len;
  75   gid_t gr_gid;
  76   ssize_t gr_mem_len;
  77 } gr_response_header;
  78
  79 typedef struct
  80 {
  81   int debug_level;
  82   int pw_enabled;
  83   unsigned long pw_poshit;
  84   unsigned long pw_posmiss;
  85   unsigned long pw_neghit;
  86   unsigned long pw_negmiss;
  87   unsigned long pw_size;
  88   unsigned long pw_posttl;
  89   unsigned long pw_negttl;
  90   int gr_enabled;
  91   unsigned long gr_poshit;
  92   unsigned long gr_posmiss;
  93   unsigned long gr_neghit;
  94   unsigned long gr_negmiss;
  95   unsigned long gr_size;
  96   unsigned long gr_posttl;
  97   unsigned long gr_negttl;
  98 } stat_response_header;
  99
 100 #define _PATH_NSCDPID    "/var/run/nscd.pid"
 101 #define _PATH_NSCDSOCKET "/var/run/.nscd_socket"
 102 #define _PATH_NSCDCONF   "/etc/nscd.conf"
 103
 104 typedef struct
 105 {
 106   char *key;
 107   int conn;
 108 } param_t;
 109
 110 extern int  do_shutdown; /* 1 if we should quit the programm.  */
 111 extern int  disabled_passwd;
 112 extern int  disabled_group;
 113
 114 extern int  nscd_parse_file __P ((const char *fname));
 115 extern int  set_logfile __P ((const char *logfile));
 116 extern void set_pos_pwd_ttl __P ((unsigned long));
 117 extern void set_neg_pwd_ttl __P ((unsigned long));
 118 extern void set_pos_grp_ttl __P ((unsigned long));
 119 extern void set_neg_grp_ttl __P ((unsigned long));
 120 extern void set_pwd_modulo __P ((unsigned long));
 121 extern void set_grp_modulo __P ((unsigned long));
 122
 123 extern void init_sockets __P ((void));
 124 extern void close_socket __P ((int conn));
 125 extern void close_sockets __P ((void));
 126 extern void get_request __P ((int *conn, request_header *req, char **key));
 127 extern void pw_send_answer __P ((int conn, struct passwd *pwd));
 128 extern void pw_send_disabled __P ((int conn));
 129 extern void gr_send_answer __P ((int conn, struct group *grp));
 130 extern void gr_send_disabled __P ((int conn));
 131
 132 extern int  cache_pwdinit __P ((void));
 133 extern void *cache_getpwnam __P ((void *param));
 134 extern void *cache_getpwuid __P ((void *param));
 135 extern void *cache_pw_disabled __P ((void *param));
 136
 137 extern int  cache_grpinit __P ((void));
 138 extern void *cache_getgrnam __P ((void *param));
 139 extern void *cache_getgrgid __P ((void *param));
 140 extern void *cache_gr_disabled __P ((void *param));
 141
 142 extern int __nscd_open_socket __P ((void));
 143
 144 extern void get_pw_stat __P ((stat_response_header *resp));
 145 extern void get_gr_stat __P ((stat_response_header *resp));
 146 extern void print_stat __P ((void));
 147 extern void stat_send __P ((int conn, stat_response_header *resp));
 148
 149 #endif