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/* bnu.c
Read BNU configuration files.
Copyright (C) 1991, 1992 Ian Lance Taylor
This file is part of the Taylor UUCP package.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
This program 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
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; 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 AIRS, P.O. Box 520, Waltham, MA 02254.
$Log: bnu.c,v $
Revision 1.1.1.1 1993/03/21 09:45:37 cgd
initial import of 386bsd-0.1 sources
Revision 1.35 1992/04/06 19:49:49 ian
Erik Forsberg: support multiple character modem classes
Revision 1.34 1992/03/15 05:21:12 ian
Scott Ballantyne: accept "Any" as a device speed
Revision 1.33 1992/03/12 19:56:10 ian
Debugging based on types rather than number
Revision 1.32 1992/03/11 22:06:37 ian
Marty Shannon: added max-uuxqts command
Revision 1.31 1992/03/10 21:47:39 ian
Added protocol command for ports
Revision 1.30 1992/02/24 20:36:27 ian
Roberto Biancardi: skip spaces after strtok (NULL, "")
Revision 1.29 1992/02/24 04:58:47 ian
Only permit files to be received into directories that are world-writeable
Revision 1.28 1992/02/24 04:02:45 ian
Doug Evans: WRITE only applies to remote requests
Revision 1.27 1992/02/23 19:50:50 ian
Handle READ and WRITE in Permissions correctly
Revision 1.26 1992/02/14 16:45:09 ian
This time for sure
Revision 1.25 1992/02/14 16:43:07 ian
Make the last patch better
Revision 1.24 1992/02/14 16:39:31 ian
T. William Wells: must xstrdup before calling uadd_validate
Revision 1.23 1992/02/08 03:54:18 ian
Include <string.h> only in <uucp.h>, added 1992 copyright
Revision 1.22 1992/01/30 23:18:59 ian
Michael Nolan: stupid error in ubadd_perm
Revision 1.21 1992/01/15 07:06:29 ian
Set configuration directory in Makefile rather than sysdep.h
Revision 1.20 1991/12/28 03:49:23 ian
Added HAVE_MEMFNS and HAVE_BFNS; changed uses of memset to bzero
Revision 1.19 1991/12/17 23:14:08 ian
T. William Wells: allow dialer complete and abort to be chat scripts
Revision 1.18 1991/12/16 16:25:57 ian
Mike Bernson: ignore lines beginning with whitespace
Revision 1.17 1991/12/15 03:42:33 ian
Added tprocess_chat_cmd for all chat commands, and added CMDTABTYPE_PREFIX
Revision 1.16 1991/12/09 19:20:51 ian
Arne Ludwig: devices entry can be followed by list of protocols
Revision 1.15 1991/12/03 03:43:36 ian
Dave Buck: time strings with grades were not parsed correctly
Revision 1.14 1991/12/01 19:35:38 ian
David Nugent: read V2 and BNU files by default even with TAYLOR_CONFIG
Revision 1.13 1991/12/01 03:10:36 ian
Niels Baggesen: accept dialers with no substitutions
Revision 1.12 1991/12/01 03:04:20 ian
Niels Baggesen: don't free up zline in ubadd_perm; don't even pass it in
Revision 1.11 1991/12/01 02:44:12 ian
Niels Baggesen: didn't handle combinations of multiple MACHINE/LOGNAME
Revision 1.10 1991/12/01 02:31:36 ian
Made zread and zwrite fields of sperm structure const char *
Revision 1.9 1991/11/30 23:39:37 ian
Marty Shannon: allow comments in Sysfiles
Revision 1.8 1991/11/30 22:39:39 ian
Marty Shannon: don't initialize an auto array
Revision 1.7 1991/11/26 01:04:04 ian
Marty Shannon: initialize ireliable for BNU and V2 configuration files
Revision 1.6 1991/11/13 20:38:00 ian
Added TCP port type for connections over TCP
Revision 1.5 1991/11/11 23:47:24 ian
Added chat-program to run a program to do a chat script
Revision 1.4 1991/11/11 16:59:05 ian
Eliminate fread_port_info, allow NULL pflock arg to ffind_port
Revision 1.3 1991/11/07 18:26:13 ian
Chip Salzenberg: can't portably take address of casted value, obviously
Revision 1.2 1991/09/19 02:22:44 ian
Chip Salzenberg's patch to allow ";retrytime" at the end of a time string
Revision 1.1 1991/09/10 19:37:52 ian
Initial revision
*/
#include "uucp.h"
#if HAVE_BNU_CONFIG
#if USE_RCS_ID
char bnu_rcsid[] = "$Id: bnu.c,v 1.1.1.1 1993/03/21 09:45:37 cgd Exp $";
#endif
#include <ctype.h>
#include "port.h"
#include "sysdep.h"
/* Whether to use BNU configuration files. */
boolean fBnu = TRUE;
/* A list of space separated file names to interpret as Systems. */
char *zBnu_systems;
/* A list of space separated file names to interpret as Dialers. */
char *zBnu_dialers;
/* A list of space separated file names to interpret as Devices. */
char *zBnu_devices;
/* Local functions. */
static void ubadd_perm P((int csystems, struct ssysteminfo *passystems,
boolean **paffound));
static void ubadd_perm_alternate P((struct ssysteminfo *q,
boolean fmachine,
boolean flogname));
/* Read Sysfiles to get the file names to use. */
void
ubnu_read_sysfiles ()
{
char ab[sizeof OLDCONFIGLIB + sizeof BNU_SYSFILES - 1];
FILE *e;
char *zline;
zBnu_systems = NULL;
zBnu_dialers = NULL;
zBnu_devices = NULL;
sprintf (ab, "%s%s", OLDCONFIGLIB, BNU_SYSFILES);
e = fopen (ab, "r");
if (e != NULL)
{
while ((zline = zfgets (e, TRUE)) != NULL)
{
int inl;
char *ztok;
inl = strlen (zline) - 1;
if (zline[inl] == '\n')
zline[inl] = '\0';
if (isspace (BUCHAR (zline[0])) || zline[0] == '#')
{
xfree ((pointer) zline);
continue;
}
ztok = strtok (zline, " \t");
if (ztok == NULL)
{
xfree ((pointer) zline);
continue;
}
if (strncmp (ztok, "service=", sizeof "service=" - 1) != 0)
{
ulog (LOG_ERROR, "Unrecognized Sysfiles line: %s", ztok);
xfree ((pointer) zline);
continue;
}
do
{
int c;
c = strcspn (ztok, ":");
if (c == sizeof "uucico" - 1
&& strncmp (ztok, "uucico", sizeof "uucico" - 1) == 0)
break;
ztok += c;
if (*ztok == ':')
++ztok;
}
while (*ztok != '\0');
if (*ztok == '\0')
{
xfree ((pointer) zline);
continue;
}
while ((ztok = strtok ((char *) NULL, " \t")) != NULL)
{
char **pz;
char *z;
boolean fend;
if (strncmp (ztok, "systems=", sizeof "systems=" - 1) == 0)
{
pz = &zBnu_systems;
ztok += sizeof "systems=" - 1;
}
else if (strncmp (ztok, "dialers=", sizeof "dialers=" - 1) == 0)
{
pz = &zBnu_dialers;
ztok += sizeof "dialers=" - 1;
}
else if (strncmp (ztok, "devices=", sizeof "devices=" - 1) == 0)
{
pz = &zBnu_devices;
ztok += sizeof "devices=" - 1;
}
else
{
ulog (LOG_ERROR, "Unrecognized Sysfiles command: %s", ztok);
continue;
}
/* Stick the configuration file directory in front of each
file. */
z = ztok;
do
{
int c;
c = strcspn (z, ":");
fend = z[c] == '\0';
z[c] = '\0';
/* Looking for a leading '/' is Unix dependent, and
should be changed. */
if (*z == '/')
uadd_string (pz, z, ' ');
else
{
char *zdir;
zdir = (char *) xmalloc (sizeof OLDCONFIGLIB
+ strlen (z));
sprintf (zdir, "%s%s", OLDCONFIGLIB, z);
uadd_string (pz, zdir, ' ');
xfree ((pointer) zdir);
}
z += c + 1;
}
while (! fend);
}
xfree ((pointer) zline);
}
(void) fclose (e);
}
if (zBnu_systems == NULL)
{
zBnu_systems = (char *) xmalloc (sizeof OLDCONFIGLIB
+ sizeof BNU_SYSTEMS - 1);
sprintf (zBnu_systems, "%s%s", OLDCONFIGLIB, BNU_SYSTEMS);
}
if (zBnu_dialers == NULL)
{
zBnu_dialers = (char *) xmalloc (sizeof OLDCONFIGLIB
+ sizeof BNU_DIALERS - 1);
sprintf (zBnu_dialers, "%s%s", OLDCONFIGLIB, BNU_DIALERS);
}
if (zBnu_devices == NULL)
{
zBnu_devices = (char *) xmalloc (sizeof OLDCONFIGLIB
+ sizeof BNU_DEVICES - 1);
sprintf (zBnu_devices, "%s%s", OLDCONFIGLIB, BNU_DEVICES);
}
#if ! HAVE_TAYLOR_CONFIG
/* If we are NOT reading the new configuration files, then look for
Maxuuxqts. It would be more efficient to only read the file in
uuxqt.c. Too bad. */
{
char *zmax;
zmax = (char *) alloca (sizeof OLDCONFIGLIB +
sizeof BNU_MAXUUXQTS - 1);
sprintf (zmax, "%s%s", OLDCONFIGLIB, BNU_MAXUUXQTS);
e = fopen (zmax, "r");
if (e != NULL)
{
zline = zfgets (e, FALSE);
if (zline != NULL)
{
cMaxuuxqts = atoi (zline);
if (cMaxuuxqts < 0)
cMaxuuxqts = 0;
xfree ((pointer) zline);
}
(void) fclose (e);
}
}
#endif /* ! HAVE_TAYLOR_CONFIG */
}
/* A little routine to add a grade and a time string to a system. */
static void ubadd_time P((struct ssysteminfo *q, int bgrade,
const char *ztime, int cretry));
static void
ubadd_time (q, bgrade, ztime, cretry)
struct ssysteminfo *q;
int bgrade;
const char *ztime;
int cretry;
{
char *zset;
zset = (char *) alloca (strlen (ztime) + 20);
if (cretry == 0)
sprintf (zset, "%c%s", bgrade, ztime);
else
sprintf (zset, "%c%s;%d", bgrade, ztime, cretry);
uadd_string (&q->ztime, zset, ' ');
}
/* These structures are used to read the Permissions file. */
static struct sperm
{
char *zlogname;
char *zmachine;
boolean frequest;
enum { SENDFILES_YES, SENDFILES_CALL, SENDFILES_NO } tsendfiles;
const char *zread;
const char *zwrite;
char *znoread;
char *znowrite;
boolean fcallback;
const char *zcommands;
char *zvalidate;
char *zmyname;
char *zpubdir;
} sBperm;
static enum tcmdtabret tbsendfiles P((int argc, char **argv,
pointer pvar, const char *zerr));
static struct scmdtab asBperm_cmds[] =
{
{ "LOGNAME", CMDTABTYPE_STRING, (pointer) &sBperm.zlogname, NULL },
{ "MACHINE", CMDTABTYPE_STRING, (pointer) &sBperm.zmachine, NULL },
{ "REQUEST", CMDTABTYPE_BOOLEAN, (pointer) &sBperm.frequest, NULL },
{ "SENDFILES", CMDTABTYPE_FN | 2, NULL, tbsendfiles },
{ "READ", CMDTABTYPE_STRING, (pointer) &sBperm.zread, NULL },
{ "WRITE", CMDTABTYPE_STRING, (pointer) &sBperm.zwrite, NULL },
{ "NOREAD", CMDTABTYPE_STRING, (pointer) &sBperm.znoread, NULL },
{ "NOWRITE", CMDTABTYPE_STRING, (pointer) &sBperm.znowrite, NULL },
{ "CALLBACK", CMDTABTYPE_BOOLEAN, (pointer) &sBperm.fcallback, NULL },
{ "COMMANDS", CMDTABTYPE_STRING, (pointer) &sBperm.zcommands, NULL },
{ "VALIDATE", CMDTABTYPE_STRING, (pointer) &sBperm.zvalidate, NULL },
{ "MYNAME", CMDTABTYPE_STRING, (pointer) &sBperm.zmyname, NULL },
{ "PUBDIR", CMDTABTYPE_STRING, (pointer) &sBperm.zpubdir, NULL },
{ NULL, 0, NULL, NULL }
};
static struct spermlist
{
struct spermlist *qnext;
struct sperm sperm;
} *qBothers;
/* Read BNU system information. This means reading the Systems file
and the Permissions file. */
void
ubnu_read_systems (pc, ppas)
int *pc;
struct ssysteminfo **ppas;
{
int calc;
struct smulti_file *qmulti;
char *zline;
*pc = 0;
*ppas = NULL;
calc = 0;
/* Read the Systems file(s) first. */
qmulti = qmulti_open (zBnu_systems);
if (qmulti == NULL)
return;
while ((zline = zmulti_gets (qmulti, (boolean *) NULL,
(const char **) NULL, TRUE)) != NULL)
{
int inl;
char *ztok;
int i, cretry;
struct ssysteminfo *qset;
char *zsemi, *zslash;
inl = strlen (zline) - 1;
if (zline[inl] == '\n')
zline[inl] = '\0';
if (isspace (BUCHAR (zline[0])) || zline[0] == '#')
{
xfree ((pointer) zline);
continue;
}
ztok = strtok (zline, " \t");
if (ztok == NULL)
{
xfree ((pointer) zline);
continue;
}
DEBUG_MESSAGE1 (DEBUG_CONFIG,
"ubnu_read_systems: Reading system %s", ztok);
/* See if we already have information for this system. */
for (i = 0; i < *pc; i++)
if (strcmp ((*ppas)[i].zname, ztok) == 0)
break;
if (i >= *pc)
{
if (*pc >= calc)
{
calc += 10;
*ppas = ((struct ssysteminfo *)
xrealloc ((pointer) *ppas,
calc * sizeof (struct ssysteminfo)));
}
qset = &(*ppas)[*pc];
(*pc)++;
}
else
{
struct ssysteminfo **pq;
for (pq = &(*ppas)[i].qalternate;
*pq != NULL;
pq = &(*pq)->qalternate)
;
*pq = (struct ssysteminfo *) xmalloc (sizeof (struct ssysteminfo));
qset = *pq;
}
uset_system_defaults (qset);
qset->zname = ztok;
/* Under BNU, a local request is permitted to write into any
directory that is world writeable. */
qset->zlocal_receive = "/";
/* Get the time string. */
ztok = strtok ((char *) NULL, " \t");
if (ztok == NULL)
continue;
/* The time string is "time/grade,time/grade;retry". A missing
grade is taken as 'z'. */
cretry = 0;
zsemi = strchr (ztok, ';');
if (zsemi != NULL)
{
*zsemi = '\0';
cretry = atoi (zsemi + 1);
}
qset->ztime = NULL;
while (TRUE)
{
char *zcomma;
zcomma = strchr (ztok, ',');
if (zcomma != NULL)
*zcomma = '\0';
zslash = strchr (ztok, '/');
if (zslash == NULL || zslash[1] == '\0')
ubadd_time (qset, BGRADE_LOW, ztok, cretry);
else
{
*zslash = '\0';
ubadd_time (qset, zslash[1], ztok, cretry);
}
if (zcomma == NULL)
break;
ztok = zcomma + 1;
}
/* Get the devices entry. */
qset->zport = strtok ((char *) NULL, " \t");
/* Get the speed entry. If it starts with a nondigit, it's a
modem class. We append it to the device name, and do the
same thing when reading the Devices file, since we don't need
to preserve the ``ACU''. I've heard that the modem class is
permitted at either end, but this code doesn't support that.
A range of speeds is also permitted. */
if (qset->zport != NULL)
{
/* According to Arne Ludwig, the devices entry can be
followed by a comma and a list of protocols. */
ztok = strrchr (qset->zport, ',');
if (ztok != NULL && ztok[1] != '\0')
{
qset->zprotocols = ztok + 1;
*ztok = '\0';
}
ztok = strtok ((char *) NULL, " \t");
if (ztok != NULL)
{
boolean fany;
fany = (strcmp (ztok, "Any") == 0
|| strcmp (ztok, "-") == 0);
if (! isdigit (*ztok) && ! fany)
{
int clen;
char *zport, *zset;
clen = strlen (qset->zport);
zport = (char *) xmalloc (clen + strlen (ztok) + 1);
strcpy (zport, qset->zport);
zset = zport + clen;
while (*ztok != '\0' && ! isdigit (*ztok))
*zset++ = *ztok++;
*zset = '\0';
qset->zport = zport;
}
if (fany)
qset->ibaud = 0;
else
{
qset->ibaud = strtol (ztok, &ztok, 10);
if (*ztok == '-')
qset->ihighbaud = atol (ztok + 1);
}
/* Get the phone number. */
qset->zphone = strtok ((char *) NULL, " \t");
/* The rest of the line is the login script. */
if (qset->zphone != NULL)
{
qset->schat.zchat = strtok ((char *) NULL, "");
qset->schat.zchat += strspn (qset->schat.zchat, " \t");
}
}
}
}
(void) fmulti_close (qmulti);
/* Now we have to read the Permissions file. */
{
char abperm[sizeof OLDCONFIGLIB + sizeof BNU_PERMISSIONS - 1];
const char * const zpubdir = PUBDIR;
FILE *e;
boolean *affound;
sprintf (abperm, "%s%s", OLDCONFIGLIB, BNU_PERMISSIONS);
e = fopen (abperm, "r");
if (e == NULL)
return;
affound = (boolean *) alloca (*pc * sizeof (boolean));
bzero (affound, *pc * sizeof (boolean));
while ((zline = zfgets (e, TRUE)) != NULL)
{
int inl;
char *ztok;
boolean fany;
inl = strlen (zline) - 1;
if (zline[inl] == '\n')
zline[inl] = '\0';
if (isspace (BUCHAR (zline[0])) || zline[0] == '#')
{
xfree ((pointer) zline);
continue;
}
sBperm.zlogname = NULL;
sBperm.zmachine = NULL;
sBperm.frequest = FALSE;
sBperm.tsendfiles = SENDFILES_CALL;
sBperm.zread = zpubdir;
sBperm.zwrite = zpubdir;
sBperm.znoread = NULL;
sBperm.znowrite = NULL;
sBperm.fcallback = FALSE;
sBperm.zcommands = "rnews rmail";
sBperm.zvalidate = NULL;
sBperm.zmyname = NULL;
sBperm.zpubdir = NULL;
fany = FALSE;
for (ztok = strtok (zline, " \t");
ztok != NULL;
ztok = strtok ((char *) NULL, " \t"))
{
char *zeq;
char *azargs[2];
fany = TRUE;
zeq = strchr (ztok, '=');
if (zeq == NULL)
{
ulog (LOG_ERROR, "Bad %s entry: %s", BNU_PERMISSIONS,
ztok);
continue;
}
*zeq = '\0';
azargs[0] = ztok;
azargs[1] = zeq + 1;
(void) tprocess_one_cmd (2, azargs, asBperm_cmds,
BNU_PERMISSIONS, CMDFLAG_WARNUNRECOG);
}
if (! fany)
continue;
if (sBperm.zlogname != NULL)
{
char *zstart;
boolean fend;
/* Process each LOGNAME separately. */
zstart = sBperm.zlogname;
do
{
int c;
c = strcspn (zstart, ":");
fend = zstart[c] == '\0';
zstart[c] = '\0';
sBperm.zlogname = zstart;
ubadd_perm (*pc, *ppas, &affound);
zstart += c + 1;
}
while (! fend);
}
else if (sBperm.zmachine != NULL)
ubadd_perm (*pc, *ppas, &affound);
else
{
ulog (LOG_ERROR,
"%s: No MACHINE or LOGNAME entry: \"%s\"",
BNU_PERMISSIONS, zline);
xfree ((pointer) zline);
}
}
(void) fclose (e);
/* If there were any MACHINE=OTHER entry, add the permissions for
each machine that was not specified by name. */
while (qBothers != NULL)
{
int i;
struct spermlist *qnext;
sBperm = qBothers->sperm;
for (i = 0; i < *pc; i++)
{
if (! affound[i])
{
sBperm.zmachine = xstrdup ((*ppas)[i].zname);
ubadd_perm (*pc, *ppas, &affound);
xfree ((pointer) sBperm.zmachine);
}
}
qnext = qBothers->qnext;
xfree ((pointer) qBothers);
qBothers = qnext;
}
}
}
/* Look up a machine and attach permissions to it. */
static void
ubadd_perm (csystems, passystems, paffound)
int csystems;
struct ssysteminfo *passystems;
boolean **paffound;
{
if (sBperm.zmachine != NULL)
{
char *zcopy;
char *ztok;
if (strcmp (sBperm.zmachine, "OTHER") == 0)
{
struct spermlist *qnew;
qnew = (struct spermlist *) xmalloc (sizeof (struct spermlist));
qnew->qnext = qBothers;
qnew->sperm = sBperm;
qBothers = qnew;
return;
}
zcopy = (char *) alloca (strlen (sBperm.zmachine) + 1);
strcpy (zcopy, sBperm.zmachine);
for (ztok = strtok (zcopy, ":");
ztok != NULL;
ztok = strtok ((char *) NULL, ":"))
{
int i;
struct ssysteminfo *q;
for (i = 0; i < csystems; i++)
if (strcmp (passystems[i].zname, ztok) == 0)
break;
if (i >= csystems)
{
/* We just ignore Permissions entries for unknown
systems. */
continue;
}
if ((*paffound)[i])
{
struct ssysteminfo **pq;
/* We have already handled this machine. Make a copy of
the first alternate and set the login name to
whatever this entry wants. Then put the new entry at
the end of list of alternates. This will make
whatever we saw first the default. */
q = ((struct ssysteminfo *)
xmalloc (sizeof (struct ssysteminfo)));
*q = passystems[i];
q->qalternate = NULL;
for (pq = &passystems[i].qalternate;
*pq != NULL;
pq = &(*pq)->qalternate)
;
*pq = q;
q->zcalled_login = "ANY";
ubadd_perm_alternate (q, TRUE, sBperm.zlogname != NULL);
}
else
{
(*paffound)[i] = TRUE;
for (q = &passystems[i]; q != NULL; q = q->qalternate)
ubadd_perm_alternate (q, TRUE,
sBperm.zlogname != NULL);
}
}
}
else
{
int i;
#if DEBUG > 0
if (sBperm.zlogname == NULL)
ulog (LOG_FATAL, "bnu.c: ubadd_perm: Can't happen");
#endif
/* There was a LOGNAME= but no MACHINE=. We must add an
alternate specifying this LOGNAME to all machines. */
for (i = 0; i < csystems; i++)
{
struct ssysteminfo *q;
if (passystems[i].zcalled_login == NULL)
passystems[i].zcalled_login = "ANY";
q = (struct ssysteminfo *) xmalloc (sizeof (struct ssysteminfo));
*q = passystems[i];
q->qalternate = passystems[i].qalternate;
passystems[i].qalternate = q;
ubadd_perm_alternate (q, FALSE, TRUE);
}
}
}
/* Attach permissions to a specific alternate of a machine. */
static void
ubadd_perm_alternate (q, fmachine, flogname)
struct ssysteminfo *q;
boolean fmachine;
boolean flogname;
{
char *z, *zset;
if (flogname)
{
if (q->zcalled_login != NULL
&& strcmp (q->zcalled_login, "ANY") != 0)
ulog (LOG_ERROR, "%s: Can't handle two login names for one machine",
q->zname);
else
q->zcalled_login = sBperm.zlogname;
}
if (fmachine)
q->fcall_request = sBperm.frequest;
if (flogname)
q->fcalled_request = sBperm.frequest;
if (flogname)
{
q->fcall_transfer = (sBperm.tsendfiles == SENDFILES_CALL
|| (sBperm.tsendfiles == SENDFILES_YES));
q->fcalled_transfer = sBperm.tsendfiles == SENDFILES_YES;
}
zset = xstrdup (sBperm.zread);
while ((z = strchr (zset, ':')) != NULL)
*z = ' ';
if (sBperm.znoread != NULL)
{
char *zstart;
boolean fend;
zstart = xstrdup (sBperm.znoread);
do
{
char *zalloc;
int c;
c = strcspn (zstart, ":");
fend = zstart[c] == '\0';
zstart[c] = '\0';
zalloc = (char *) xmalloc (c + 2);
sprintf (zalloc, "!%s", zstart);
uadd_string (&zset, zalloc, ' ');
xfree ((pointer) zalloc);
zstart += c + 1;
}
while (! fend);
}
if (fmachine)
q->zremote_send = zset;
if (flogname)
{
if (fmachine)
q->zcalled_remote_send = NULL;
else
q->zcalled_remote_send = zset;
}
zset = xstrdup (sBperm.zwrite);
while ((z = strchr (zset, ':')) != NULL)
*z = ' ';
if (sBperm.znowrite != NULL)
{
char *zstart;
boolean fend;
zstart = xstrdup (sBperm.znowrite);
do
{
char *zalloc;
int c;
c = strcspn (zstart, ":");
fend = zstart[c] == '\0';
zstart[c] = '\0';
zalloc = (char *) xmalloc (c + 2);
sprintf (zalloc, "!%s", zstart);
uadd_string (&zset, zalloc, ' ');
xfree ((pointer) zalloc);
zstart += c + 1;
}
while (! fend);
}
if (fmachine)
q->zremote_receive = zset;
if (flogname)
{
if (fmachine)
q->zcalled_remote_receive = NULL;
else
q->zcalled_remote_receive = zset;
}
if (flogname)
q->fcallback = sBperm.fcallback;
if (fmachine && sBperm.zcommands != NULL)
{
q->zcmds = sBperm.zcommands;
while ((z = strchr (q->zcmds, ':')) != NULL)
*z = ' ';
}
if (flogname && sBperm.zvalidate != NULL)
{
char *zcopy;
boolean fend;
zcopy = xstrdup (sBperm.zvalidate);
do
{
int c;
c = strcspn (zcopy, ":");
fend = zcopy[c] == '\0';
zcopy[c] = '\0';
uadd_validate (sBperm.zlogname, 1, (const char **) &zcopy);
zcopy += c + 1;
}
while (! fend);
}
if (fmachine)
q->zlocalname = sBperm.zmyname;
/* This isn't quite right, since the BNU Permissions file can
specify a different public directory based on whether we are
calling out or are being called. */
if (sBperm.zpubdir != NULL)
q->zpubdir = sBperm.zpubdir;
}
/* Handle SENDFILES=string, where string can be YES, NO or CALL. We
actually only switch off on the first letter. */
/*ARGSUSED*/
static enum tcmdtabret
tbsendfiles (argc, argv, pvar, zerr)
int argc;
char **argv;
pointer pvar;
const char *zerr;
{
switch (argv[1][0])
{
case 'C':
case 'c':
sBperm.tsendfiles = SENDFILES_CALL;
break;
case 'N':
case 'n':
sBperm.tsendfiles = SENDFILES_NO;
break;
case 'Y':
case 'y':
sBperm.tsendfiles = SENDFILES_YES;
break;
default:
ulog (LOG_ERROR, "%s: Unrecognized SENDFILES=%s", zerr, argv[1]);
break;
}
return CMDTABRET_FREE;
}
/* Find a port with a given name and baud rate in the Devices file,
and lock it. If found and locked, fill in the structure pointed at
by qport. Set *pffound to TRUE if a port was found but could not
be locked. */
boolean
fbnu_find_port (zname, ibaud, ihighbaud, qport, pflock, pffound)
const char *zname;
long ibaud;
long ihighbaud;
struct sport *qport;
boolean (*pflock) P((struct sport *, boolean fin));
boolean *pffound;
{
struct smulti_file *qmulti;
char *zline;
qmulti = qmulti_open (zBnu_devices);
if (qmulti == NULL)
return FALSE;
while ((zline = zmulti_gets (qmulti, (boolean *) NULL,
(const char **) NULL, TRUE)) != NULL)
{
int inl;
char *ztok, *zportname, *zprotocols, *zdevice, *zdial_device;
long ilow, ihigh;
inl = strlen (zline) - 1;
if (zline[inl] == '\n')
zline[inl] = '\0';
if (isspace (BUCHAR (zline[0])) || zline[0] == '#')
{
xfree ((pointer) zline);
continue;
}
/* An entry in Devices is type device dial-device baud
dialer-token pairs. */
/* Get the port type. */
zportname = strtok (zline, " \t");
if (zportname == NULL)
{
xfree ((pointer) zline);
continue;
}
/* There may be a comma separated list of protocols following
the port name. */
zprotocols = strchr (zportname, ',');
if (zprotocols != NULL)
{
*zprotocols = '\0';
++zprotocols;
}
/* Get the device name. */
zdevice = strtok ((char *) NULL, " \t");
if (zdevice == NULL)
{
xfree ((pointer) zline);
continue;
}
/* Some systems seem to permit ,M at the end of the device name;
this means to open the port with O_NDELAY and then allow
delays later. We always do this anyhow, so I just ignore the
,M. There may be portability problems here. */
zdevice[strcspn (zdevice, ",")] = '\0';
/* Get the dial-device. A value of ``-'' means none. */
zdial_device = strtok ((char *) NULL, " \t");
if (zdial_device == NULL)
{
xfree ((pointer) zline);
continue;
}
if (strcmp (zdial_device, "-") == 0)
zdial_device = NULL;
/* Get the speed. */
ztok = strtok ((char *) NULL, " \t");
if (ztok == NULL)
{
xfree ((pointer) zline);
continue;
}
/* See whether we match the port name we are looking for. If
the speed starts with a non-digit, it is a modem class (but
"-" or "Any" mean any speed). When reading the Systems file
we appended the modem class to the device name, so we must
match appropriately. */
if (isdigit (*ztok)
|| strcmp (ztok, "-") == 0
|| strcmp (ztok, "Any") == 0)
{
if (zname != NULL && strcmp (zname, zportname) != 0)
{
xfree ((pointer) zline);
continue;
}
}
else
{
char *zclass, *zset;
zclass = (char *) alloca (strlen (ztok) + 1);
zset = zclass;
while (*ztok != '\0' && ! isdigit (*ztok))
*zset++ = *ztok++;
*zset = '\0';
if (zname != NULL)
{
int clen;
clen = strlen (zportname);
if (strncmp (zname, zportname, clen) != 0
|| strlen (zname) <= clen
|| strcmp (zname + clen, zclass) != 0)
{
xfree ((pointer) zline);
continue;
}
}
}
ilow = strtol (ztok, &ztok, 10);
if (ilow == 0)
ihigh = 38400L;
else
{
if (*ztok == '-')
ihigh = atol (ztok + 1);
else
ihigh = ilow;
}
/* Now we must match the range ibaud to ihighbaud against to
range ilow to ihigh. */
if (ibaud != 0
&& (ihighbaud < ilow || ibaud > ihigh))
{
xfree ((pointer) zline);
continue;
}
/* We have found a matching port. We now fill in the sport
structure so that we can try to lock it. */
if (zname != NULL)
qport->zname = zname;
else
qport->zname = zportname;
qport->zprotocols = zprotocols;
qport->cproto_params = 0;
qport->qproto_params = NULL;
qport->ireliable = 0;
qport->zlockname = NULL;
if (strcmp (qport->zname, "Direct") == 0)
{
qport->ttype = PORTTYPE_DIRECT;
qport->u.sdirect.zdevice = zdevice;
qport->u.sdirect.ibaud = ilow;
#ifdef SYSDEP_DIRECT_INIT
SYSDEP_DIRECT_INIT (&qport->u.sdirect.s);
#endif
}
#if HAVE_TCP
else if (strcmp (qport->zname, "TCP") == 0)
{
qport->ttype = PORTTYPE_TCP;
qport->ireliable = (RELIABLE_ENDTOEND
| RELIABLE_RELIABLE
| RELIABLE_EIGHT
| RELIABLE_SPECIFIED);
qport->u.stcp.o = -1;
qport->u.stcp.zport = zdevice;
}
#endif /* HAVE_TCP */
else
{
qport->ttype = PORTTYPE_MODEM;
qport->u.smodem.zdevice = zdevice;
qport->u.smodem.zdial_device = zdial_device;
if (ilow != ihigh)
qport->u.smodem.ibaud = 0;
else
qport->u.smodem.ibaud = ilow;
qport->u.smodem.ilowbaud = ilow;
qport->u.smodem.ihighbaud = ihigh;
qport->u.smodem.fcarrier = TRUE;
qport->u.smodem.zdialer = strtok ((char *) NULL, "");
qport->u.smodem.zdialer += strspn (qport->u.smodem.zdialer,
" \t");
qport->u.smodem.qdialer = NULL;
#ifdef SYSDEP_MODEM_INIT
SYSDEP_MODEM_INIT (&qport->u.smodem.s);
#endif
}
if (pffound != NULL)
*pffound = TRUE;
if (pflock != NULL
&& ! (*pflock) (qport, FALSE))
{
xfree ((pointer) zline);
continue;
}
(void) fmulti_close (qmulti);
return TRUE;
}
(void) fmulti_close (qmulti);
return FALSE;
}
/* Read dialer information from the Dialers file. */
boolean
fbnu_read_dialer_info (zdialer, qdialer)
const char *zdialer;
struct sdialer *qdialer;
{
struct smulti_file *qmulti;
char *zline;
qmulti = qmulti_open (zBnu_dialers);
if (qmulti == NULL)
return FALSE;
while ((zline = zmulti_gets (qmulti, (boolean *) NULL,
(const char **) NULL, TRUE)) != NULL)
{
int inl;
char *zname, *zsubs;
inl = strlen (zline) - 1;
if (zline[inl] == '\n')
zline[inl] = '\0';
if (isspace (BUCHAR (zline[0])) || zline[0] == '#')
{
xfree ((pointer) zline);
continue;
}
zname = strtok (zline, " \t");
if (zname == NULL
|| strcmp (zname, zdialer) != 0)
{
xfree ((pointer) zline);
continue;
}
/* We found the dialer we want. Get information from it. */
qdialer->zname = zdialer;
INIT_CHAT (&qdialer->schat);
qdialer->zdialtone = ",";
qdialer->zpause = ",";
qdialer->fcarrier = TRUE;
qdialer->ccarrier_wait = 60;
qdialer->fdtr_toggle = FALSE;
qdialer->fdtr_toggle_wait = FALSE;
INIT_CHAT (&qdialer->scomplete);
INIT_CHAT (&qdialer->sabort);
qdialer->cproto_params = 0;
qdialer->qproto_params = NULL;
qdialer->ireliable = 0;
zsubs = strtok ((char *) NULL, " \t");
if (zsubs != NULL && strcmp (zsubs, "\"\"") != 0)
{
char bnext;
bnext = *zsubs;
while (bnext != '\0')
{
if (zsubs[1] == '\0')
break;
if (bnext == '=')
qdialer->zdialtone = zsubs + 1;
else if (bnext == '-')
qdialer->zpause = zsubs + 1;
zsubs += 2;
bnext = *zsubs;
*zsubs = '\0';
}
}
if (zsubs == NULL)
qdialer->schat.zchat = NULL;
else
{
qdialer->schat.zchat = strtok ((char *) NULL, "");
qdialer->schat.zchat += strspn (qdialer->schat.zchat, " \t");
}
(void) fmulti_close (qmulti);
return TRUE;
}
(void) fmulti_close (qmulti);
return FALSE;
}
#endif /* HAVE_BNU_CONFIG */
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