NetBSD/gnu/libexec/uucp/libuuconf/uucnfi.h

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/* uucnfi.h
Internal header file for the uuconf package.
Copyright (C) 1992 Ian Lance Taylor
This file is part of the Taylor UUCP uuconf library.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License
as published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
The author of the program may be contacted at ian@airs.com or
c/o Infinity Development Systems, P.O. Box 520, Waltham, MA 02254.
*/
/* This is the internal header file for the uuconf package. It should
not be included by anything other than the uuconf code itself. */
/* Get all the general definitions. */
#include "uucp.h"
/* Get the uuconf header file itself. */
#include "uuconf.h"
/* We need the system dependent header file. */
#include "syshdr.h"
/* This is the generic information structure. This holds all the
per-thread global information needed by the uuconf code. The
per-process global information is held in an sprocess structure,
which this structure points to. This permits the code to not have
any global variables at all. */
struct sglobal
{
/* A pointer to the per-process global information. */
struct sprocess *qprocess;
/* A memory block in which all the memory for these fields is
allocated. */
pointer pblock;
/* The value of errno after an error. */
int ierrno;
/* The filename for which an error occurred. */
const char *zfilename;
/* The line number at which an error occurred. */
int ilineno;
};
/* This is the per-process information structure. This essentially
holds all the global variables used by uuconf. */
struct sprocess
{
/* The name of the local machine. This will be NULL if it is not
specified in a configuration file. */
const char *zlocalname;
/* The spool directory. */
const char *zspooldir;
/* The default public directory. */
const char *zpubdir;
/* The lock directory. */
const char *zlockdir;
/* The log file. */
const char *zlogfile;
/* The statistics file. */
const char *zstatsfile;
/* The debugging file. */
const char *zdebugfile;
/* The default debugging level. */
const char *zdebug;
/* The maximum number of simultaneously executing uuxqts. */
int cmaxuuxqts;
/* Whether we are reading the V2 configuration files. */
boolean fv2;
/* Whether we are reading the HDB configuration files. */
boolean fhdb;
/* The names of the dialcode files. */
char **pzdialcodefiles;
/* Timetables. These are in pairs. The first element is the name,
the second is the time string. */
char **pztimetables;
/* Taylor UUCP config file name. */
char *zconfigfile;
/* Taylor UUCP sys file names. */
char **pzsysfiles;
/* Taylor UUCP port file names. */
char **pzportfiles;
/* Taylor UUCP dial file names. */
char **pzdialfiles;
/* Taylor UUCP passwd file names. */
char **pzpwdfiles;
/* Taylor UUCP call file names. */
char **pzcallfiles;
/* List of "unknown" commands from config file. */
struct sunknown *qunknown;
/* Whether the Taylor UUCP system information locations have been
read. */
boolean fread_syslocs;
/* Taylor UUCP system information locations. */
struct stsysloc *qsyslocs;
/* Taylor UUCP validation restrictions. */
struct svalidate *qvalidate;
/* Whether the "myname" command is used in a Taylor UUCP file. */
boolean fuses_myname;
/* V2 system file name (L.sys). */
char *zv2systems;
/* V2 device file name (L-devices). */
char *zv2devices;
/* V2 user permissions file name (USERFILE). */
char *zv2userfile;
/* V2 user permitted commands file (L.cmds). */
char *zv2cmds;
/* HDB system file names (Systems). */
char **pzhdb_systems;
/* HDB device file names (Devices). */
char **pzhdb_devices;
/* HDB dialer file names (Dialers). */
char **pzhdb_dialers;
/* Whether the HDB Permissions file has been read. */
boolean fhdb_read_permissions;
/* The HDB Permissions file entries. */
struct shpermissions *qhdb_permissions;
};
/* This structure is used to hold the "unknown" commands from the
Taylor UUCP config file before they have been parsed. */
struct sunknown
{
/* Next element in linked list. */
struct sunknown *qnext;
/* Line number in config file. */
int ilineno;
/* Number of arguments. */
int cargs;
/* Arguments. */
char **pzargs;
};
/* This structure is used to hold the locations of systems within the
Taylor UUCP sys files. */
struct stsysloc
{
/* Next element in linked list. */
struct stsysloc *qnext;
/* System name. */
const char *zname;
/* Whether system is an alias or a real system. If this is an
alias, the real system is the next entry in the linked list which
is not an alias. */
boolean falias;
/* File name (one of the sys files). */
const char *zfile;
/* Open file. */
FILE *e;
/* Location within file (from ftell). */
long iloc;
/* Line number within file. */
int ilineno;
};
/* This structure is used to hold validation restrictions. This is a
list of machines which are permitted to use a particular login
name. If a machine logs in, and there is no called login entry for
it, the login name and machine name must be passed to
uuconf_validate to confirm that either there is no entry for this
login name or that the machine name appears on the entry. */
struct svalidate
{
/* Next element in linked list. */
struct svalidate *qnext;
/* Login name. */
const char *zlogname;
/* NULL terminated list of machine names. */
char **pzmachines;
};
/* This structure is used to hold a linked list of HDB Permissions
file entries. */
struct shpermissions
{
/* Next entry in linked list. */
struct shpermissions *qnext;
/* NULL terminated array of LOGNAME values. */
char **pzlogname;
/* NULL terminated array of MACHINE values. */
char **pzmachine;
/* Boolean REQUEST value. */
int frequest;
/* Boolean SENDFILES value ("call" is taken as "no"). */
int fsendfiles;
/* NULL terminated array of READ values. */
char **pzread;
/* NULL terminated array of WRITE values. */
char **pzwrite;
/* Boolean CALLBACK value. */
int fcallback;
/* NULL terminated array of COMMANDS values. */
char **pzcommands;
/* NULL terminated array of VALIDATE values. */
char **pzvalidate;
/* String MYNAME value. */
char *zmyname;
/* String PUBDIR value. */
const char *zpubdir;
/* NULL terminated array of ALIAS values. */
char **pzalias;
};
/* This structure is used to build reentrant uuconf_cmdtab tables.
The ioff field is either (size_t) -1 or an offsetof macro. The
table is then copied into a uuconf_cmdtab, except that offsets of
(size_t) -1 are converted to pvar elements of NULL, and other
offsets are converted to an offset off some base address. */
struct cmdtab_offset
{
const char *zcmd;
int itype;
size_t ioff;
uuconf_cmdtabfn pifn;
};
/* A value in a uuconf_system structure which holds the address of
this special variable is known to be uninitialized. */
extern char *_uuconf_unset;
/* Internal function to read a system from the Taylor UUCP
configuration files. This does not apply the basic defaults. */
extern int _uuconf_itaylor_system_internal P((struct sglobal *qglobal,
const char *zsystem,
struct uuconf_system *qsys));
/* Read the system locations and validation information from the
Taylor UUCP configuration files. This sets the qsyslocs,
qvalidate, and fread_syslocs elements of the global structure. */
extern int _uuconf_iread_locations P((struct sglobal *qglobal));
/* Process a command for a port from a Taylor UUCP file. */
extern int _uuconf_iport_cmd P((struct sglobal *qglobal, int argc,
char **argv, struct uuconf_port *qport));
/* Process a command for a dialer from a Taylor UUCP file. */
extern int _uuconf_idialer_cmd P((struct sglobal *qglobal, int argc,
char **argv,
struct uuconf_dialer *qdialer));
/* Process a command for a chat script from a Taylor UUCP file; this
is also called for HDB or V2 files, with a made up command. */
extern int _uuconf_ichat_cmd P((struct sglobal *qglobal, int argc,
char **argv, struct uuconf_chat *qchat,
pointer pblock));
/* Process a protocol-parameter command from a Taylor UUCP file. */
extern int _uuconf_iadd_proto_param P((struct sglobal *qglobal,
int argc, char **argv,
struct uuconf_proto_param **pq,
pointer pblock));
/* Handle a "seven-bit", "reliable", or "half-duplex" command from a
Taylor UUCP port or dialer file. The pvar field should point to
the ireliable element of the structure. */
extern int _uuconf_iseven_bit P((pointer pglobal, int argc, char **argv,
pointer pvar, pointer pinfo));
extern int _uuconf_ireliable P((pointer pglobal, int argc, char **argv,
pointer pvar, pointer pinfo));
extern int _uuconf_ihalf_duplex P((pointer pglobal, int argc, char **argv,
pointer pvar, pointer pinfo));
/* Internal function to read a system from the V2 configuration files.
This does not apply the basic defaults. */
extern int _uuconf_iv2_system_internal P((struct sglobal *qglobal,
const char *zsystem,
struct uuconf_system *qsys));
/* Internal function to read a system from the HDB configuration
files. This does not apply the basic defaults. */
extern int _uuconf_ihdb_system_internal P((struct sglobal *qglobal,
const char *zsystem,
struct uuconf_system *qsys));
/* Read the HDB Permissions file. */
extern int _uuconf_ihread_permissions P((struct sglobal *qglobal));
/* Initialize the global information structure. */
extern int _uuconf_iinit_global P((struct sglobal **pqglobal));
/* Clear system information. */
extern void _uuconf_uclear_system P((struct uuconf_system *qsys));
/* Default unset aspects of one system to the contents of another. */
extern int _uuconf_isystem_default P((struct sglobal *qglobal,
struct uuconf_system *q,
struct uuconf_system *qdefault,
boolean faddalternates));
/* Put in the basic system defaults. */
extern int _uuconf_isystem_basic_default P((struct sglobal *qglobal,
struct uuconf_system *qsys));
/* Clear port information. */
extern void _uuconf_uclear_port P((struct uuconf_port *qport));
/* Clear dialer information. */
extern void _uuconf_uclear_dialer P((struct uuconf_dialer *qdialer));
/* Add a timetable. */
extern int _uuconf_itimetable P((pointer pglobal, int argc, char **argv,
pointer pvar, pointer pinfo));
/* Parse a time string. */
extern int _uuconf_itime_parse P((struct sglobal *qglobal, char *ztime,
long ival, int cretry,
int (*picmp) P((long, long)),
struct uuconf_timespan **pqspan,
pointer pblock));
/* A grade comparison function to pass to _uuconf_itime_parse. */
extern int _uuconf_itime_grade_cmp P((long, long));
/* Add a string to a NULL terminated list of strings. */
extern int _uuconf_iadd_string P((struct sglobal *qglobal,
char *zadd, boolean fcopy,
boolean fdupcheck, char ***ppzstrings,
pointer pblock));
/* Parse a string into a boolean value. */
extern int _uuconf_iboolean P((struct sglobal *qglobal, const char *zval,
int *pi));
/* Parse a string into an integer value. The argument p is either an
int * or a long *, according to the argument fint. */
extern int _uuconf_iint P((struct sglobal *qglobal, const char *zval,
pointer p, boolean fint));
/* Turn a cmdtab_offset table into a uuconf_cmdtab table. */
extern void _uuconf_ucmdtab_base P((const struct cmdtab_offset *qoff,
size_t celes, char *pbase,
struct uuconf_cmdtab *qset));
/* Merge two memory blocks into one. This cannot fail. */
extern pointer _uuconf_pmalloc_block_merge P((pointer, pointer));
/* A wrapper for getline that continues lines if they end in a
backslash. It needs qglobal so that it can increment ilineno
correctly. */
extern int _uuconf_getline P((struct sglobal *qglobal,
char **, size_t *, FILE *));
/* Split a string into tokens. */
extern int _uuconf_istrsplit P((char *zline, int bsep,
char ***ppzsplit, size_t *csplit));