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/*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* Copyright (c) 1983 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include "tip.h"
/*
* Attributes to be gleened from remote host description
* data base.
*/
static char **caps[] = {
&AT, &DV, &CM, &CU, &EL, &IE, &OE, &PN, &PR, &DI,
&ES, &EX, &FO, &RC, &RE, &PA
};
static char *capstrings[] = {
"at", "dv", "cm", "cu", "el", "ie", "oe", "pn", "pr",
"di", "es", "ex", "fo", "rc", "re", "pa", 0
};
extern char *rgetstr(char *, char **);
static void
getremcap(char *host)
{
int stat;
char tbuf[BUFSIZ];
static char buf[BUFSIZ/2];
char *bp = buf;
char **p, ***q;
if ((stat = rgetent(tbuf, host, sizeof (tbuf))) <= 0) {
if (DV ||
host[0] == '/' && access(DV = host, R_OK | W_OK) == 0) {
/*
* If the user specifies a device on the commandline,
* don't trust it.
*/
if (host[0] == '/')
trusted_device = 0;
CU = DV;
HO = host;
HW = 1;
DU = 0;
if (!BR)
BR = DEFBR;
FS = DEFFS;
RE = (char *)"tip.record";
EX = (char *)"\t\n\b\f";
DL = 0;
CL = 0;
ET = 10;
return;
}
(void) fprintf(stderr, stat == 0 ?
"tip: unknown host %s\n" :
"tip: can't open host description file\n", host);
exit(3);
}
for (p = capstrings, q = caps; *p != NULL; p++, q++)
if (**q == NULL)
**q = rgetstr(*p, &bp);
if (!BR && (BR = rgetnum("br")) < 0)
BR = DEFBR;
if ((FS = rgetnum("fs")) < 0)
FS = DEFFS;
if (DU < 0)
DU = 0;
else
DU = rgetflag("du");
if (DV == NOSTR) {
(void) fprintf(stderr, "%s: missing device spec\n", host);
exit(3);
}
if (DU && CU == NOSTR)
CU = DV;
if (DU && PN == NOSTR) {
(void) fprintf(stderr, "%s: missing phone number\n", host);
exit(3);
}
DB = rgetflag("db");
/*
* This effectively eliminates the "hw" attribute
* from the description file
*/
if (!HW)
HW = (CU == NOSTR) || (DU && equal(DV, CU));
HO = host;
/*
* see if uppercase mode should be turned on initially
*/
if (rgetflag("ra"))
boolean(value(RAISE)) = 1;
if (rgetflag("ec"))
boolean(value(ECHOCHECK)) = 1;
if (rgetflag("be"))
boolean(value(BEAUTIFY)) = 1;
if (rgetflag("nb"))
boolean(value(BEAUTIFY)) = 0;
if (rgetflag("sc"))
boolean(value(SCRIPT)) = 1;
if (rgetflag("tb"))
boolean(value(TABEXPAND)) = 1;
if (rgetflag("vb"))
boolean(value(VERBOSE)) = 1;
if (rgetflag("nv"))
boolean(value(VERBOSE)) = 0;
if (rgetflag("ta"))
boolean(value(TAND)) = 1;
if (rgetflag("nt"))
boolean(value(TAND)) = 0;
if (rgetflag("rw"))
boolean(value(RAWFTP)) = 1;
if (rgetflag("hd"))
boolean(value(HALFDUPLEX)) = 1;
if (rgetflag("hf"))
boolean(value(HARDWAREFLOW)) = 1;
if (RE == NULL)
RE = (char *)"tip.record";
if (EX == NULL)
EX = (char *)"\t\n\b\f";
if (ES != NOSTR)
(void) vstring("es", ES);
if (FO != NOSTR)
(void) vstring("fo", FO);
if (PR != NOSTR)
(void) vstring("pr", PR);
if (RC != NOSTR)
(void) vstring("rc", RC);
if ((DL = rgetnum("dl")) < 0)
DL = 0;
if ((CL = rgetnum("cl")) < 0)
CL = 0;
if ((ET = rgetnum("et")) < 0)
ET = 10;
}
char *
getremote(char *host)
{
char *cp;
static char *next;
static int lookedup = 0;
if (!lookedup) {
if (host == NOSTR && (host = getenv("HOST")) == NOSTR) {
(void) fprintf(stderr, "tip: no host specified\n");
exit(3);
}
getremcap(host);
next = DV;
lookedup++;
}
/*
* We return a new device each time we're called (to allow
* a rotary action to be simulated)
*/
if (next == NOSTR)
return (NOSTR);
if ((cp = strchr(next, ',')) == NULL) {
DV = next;
next = NOSTR;
} else {
*cp++ = '\0';
DV = next;
next = cp;
}
return (DV);
}
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