getrequest.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 1997 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
#pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.14 */
/* EMACS_MODES: !fill, lnumb, !overwrite, !nodelete, !picture */
#include "stdio.h"
#include "string.h"
#include "errno.h"
#include "sys/types.h"
#include "stdlib.h"
#include "lp.h"
#include "requests.h"
extern struct {
char *v;
short len;
} reqheadings[];
/**
** getrequest() - EXTRACT REQUEST STRUCTURE FROM DISK FILE
**/
REQUEST *
#if defined(__STDC__)
getrequest (
char * file
)
#else
getrequest (file)
char *file;
#endif
{
static REQUEST reqbuf;
char buf[BUFSIZ],
*path,
*p;
int fd;
int fld;
/*
* Full pathname? If so the file must lie in LP's
* regular temporary directory.
*/
if (*file == '/') {
if (!STRNEQU(file, Lp_Tmp, strlen(Lp_Tmp))) {
errno = EINVAL;
return (0);
}
path = Strdup(file);
/*
* A relative pathname (such as system/name)?
* If so we'll locate it under LP's regular temporary
* directory.
*/
} else if (strchr(file, '/')) {
if (!(path = makepath(Lp_Tmp, file, (char *)0)))
return (0);
/*
* It must be a simple name. Locate this under the
* special temporary directory that is linked to the
* regular place for the local system.
*/
} else if (!(path = makepath(Lp_Temp, file, (char *)0)))
return (0);
if ((fd = open_locked(path, "r", 0)) < 0) {
Free (path);
return (0);
}
Free (path);
reqbuf.copies = 1;
reqbuf.destination = 0;
reqbuf.file_list = 0;
reqbuf.form = 0;
reqbuf.actions = 0;
reqbuf.alert = 0;
reqbuf.options = 0;
reqbuf.priority = -1;
reqbuf.pages = 0;
reqbuf.charset = 0;
reqbuf.modes = 0;
reqbuf.title = 0;
reqbuf.input_type = 0;
reqbuf.user = 0;
reqbuf.outcome = 0;
reqbuf.version = VERSION_OLD_LP;
errno = 0;
while (fdgets(buf, BUFSIZ, fd)) {
buf[strlen(buf) - 1] = 0;
for (fld = 0; fld < RQ_MAX; fld++)
if (
reqheadings[fld].v
&& reqheadings[fld].len
&& STRNEQU(
buf,
reqheadings[fld].v,
reqheadings[fld].len
)
) {
p = buf + reqheadings[fld].len;
break;
}
/*
* To allow future extensions to not impact applications
* using old versions of this routine, ignore strange
* fields.
*/
if (fld >= RQ_MAX)
continue;
switch (fld) {
case RQ_COPIES:
reqbuf.copies = atoi(p);
break;
case RQ_DEST:
reqbuf.destination = Strdup(p);
break;
case RQ_FILE:
appendlist (&reqbuf.file_list, p);
break;
case RQ_FORM:
if (!STREQU(p, NAME_ANY))
reqbuf.form = Strdup(p);
break;
case RQ_HANDL:
if (STREQU(p, NAME_RESUME))
reqbuf.actions |= ACT_RESUME;
else if (STREQU(p, NAME_HOLD))
reqbuf.actions |= ACT_HOLD;
else if (STREQU(p, NAME_IMMEDIATE))
reqbuf.actions |= ACT_IMMEDIATE;
break;
case RQ_NOTIFY:
if (STREQU(p, "M"))
reqbuf.actions |= ACT_MAIL;
else if (STREQU(p, "W"))
reqbuf.actions |= ACT_WRITE;
else if (STREQU(p, "N"))
reqbuf.actions |= ACT_NOTIFY;
else
reqbuf.alert = Strdup(p);
break;
case RQ_OPTS:
reqbuf.options = Strdup(p);
break;
case RQ_PRIOR:
reqbuf.priority = atoi(p);
break;
case RQ_PAGES:
reqbuf.pages = Strdup(p);
break;
case RQ_CHARS:
if (!STREQU(p, NAME_ANY))
reqbuf.charset = Strdup(p);
break;
case RQ_TITLE:
reqbuf.title = Strdup(p);
break;
case RQ_MODES:
reqbuf.modes = Strdup(p);
break;
case RQ_TYPE:
reqbuf.input_type = Strdup(p);
break;
case RQ_USER:
reqbuf.user = Strdup(p);
break;
case RQ_RAW:
reqbuf.actions |= ACT_RAW;
break;
case RQ_FAST:
reqbuf.actions |= ACT_FAST;
break;
case RQ_STAT:
reqbuf.outcome = (ushort)strtol(p, (char **)0, 16);
break;
case RQ_VERSION:
reqbuf.version = atoi(p);
break;
}
}
if (errno != 0) {
int save_errno = errno;
close(fd);
errno = save_errno;
return (0);
}
close(fd);
/*
* Now go through the structure and see if we have
* anything strange.
*/
if (
reqbuf.copies <= 0
|| !reqbuf.file_list || !*(reqbuf.file_list)
|| reqbuf.priority < -1 || 39 < reqbuf.priority
|| STREQU(reqbuf.input_type, NAME_ANY)
|| STREQU(reqbuf.input_type, NAME_TERMINFO)
) {
freerequest (&reqbuf);
errno = EBADF;
return (0);
}
/*
* Guarantee some return values won't be null or empty.
*/
if (!reqbuf.destination || !*reqbuf.destination) {
if (reqbuf.destination)
Free (reqbuf.destination);
reqbuf.destination = Strdup(NAME_ANY);
}
if (!reqbuf.input_type || !*reqbuf.input_type) {
if (reqbuf.input_type)
Free (reqbuf.input_type);
reqbuf.input_type = Strdup(NAME_SIMPLE);
}
return (&reqbuf);
}