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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (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 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
#include <ctype.h>
#include <string.h>
#include <sys/types.h>
#include "pkglib.h"
#include "pkglibmsgs.h"
#include "pkglocale.h"
#define MAXLEN 256
#define TOKLEN 16
static int proc_name(char *param, char *value);
static int proc_arch(char *param, char *value);
static int proc_version(char *param, char *value);
static int proc_category(char *param, char *value);
static int bad_first_char(char *param, char *value);
static int not_alnum(char *param, char *pt);
static int not_ascii(char *param, char *pt);
static int too_long(char *param, char *pt, int len);
static int isnull(char *param, char *pt);
int
ckparam(char *param, char *val)
{
char *value = strdup(val);
int ret_val = 0; /* return value */
if (strcmp(param, "NAME") == 0)
ret_val = proc_name(param, value);
else if (strcmp(param, "ARCH") == 0)
ret_val = proc_arch(param, value);
else if (strcmp(param, "VERSION") == 0)
ret_val = proc_version(param, value);
else if (strcmp(param, "CATEGORY") == 0)
ret_val = proc_category(param, value);
/* param does not match existing parameters */
free(value);
return (ret_val);
}
static int
proc_name(char *param, char *value)
{
int ret_val;
if (!(ret_val = isnull(param, value))) {
ret_val += too_long(param, value, MAXLEN);
ret_val += not_ascii(param, value);
}
return (ret_val);
}
static int
proc_arch(char *param, char *value)
{
int ret_val;
char *token;
if (!(ret_val = isnull(param, value))) {
token = strtok(value, ", ");
while (token) {
ret_val += too_long(param, token, TOKLEN);
ret_val += not_ascii(param, token);
token = strtok(NULL, ", ");
}
}
return (ret_val);
}
static int
proc_version(char *param, char *value)
{
int ret_val;
if (!(ret_val = isnull(param, value))) {
ret_val += bad_first_char(param, value);
ret_val += too_long(param, value, MAXLEN);
ret_val += not_ascii(param, value);
}
return (ret_val);
}
static int
proc_category(char *param, char *value)
{
int ret_val;
char *token;
if (!(ret_val = isnull(param, value))) {
token = strtok(value, ", ");
while (token) {
ret_val += too_long(param, token, TOKLEN);
ret_val += not_alnum(param, token);
token = strtok(NULL, ", ");
}
}
return (ret_val);
}
static int
bad_first_char(char *param, char *value)
{
if (*value == '(') {
progerr(pkg_gt(ERR_CHAR), param);
return (1);
}
return (0);
}
static int
isnull(char *param, char *pt)
{
if (!pt || *pt == '\0') {
progerr(pkg_gt(ERR_UNDEF), param);
return (1);
}
return (0);
}
static int
too_long(char *param, char *pt, int len)
{
if (strlen(pt) > (size_t)len) {
progerr(pkg_gt(ERR_LEN), param);
return (1);
}
return (0);
}
static int
not_ascii(char *param, char *pt)
{
while (*pt) {
if (!(isascii(*pt))) {
progerr(pkg_gt(ERR_ASCII), param);
return (1);
}
pt++;
}
return (0);
}
static int
not_alnum(char *param, char *pt)
{
while (*pt) {
if (!(isalnum(*pt))) {
progerr(pkg_gt(ERR_ALNUM), param);
return (1);
}
pt++;
}
return (0);
}
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