mirror of
https://github.com/cryb-to/cryb-to.git
synced 2024-11-27 16:15:49 +00:00
e4dd25fa79
Add a typedef for struct cpe_name and use it throughout. Fix inverted logic in cpe_upgrade().
158 lines
4 KiB
C
158 lines
4 KiB
C
/*-
|
|
* Copyright (c) 2014 Dag-Erling Smørgrav
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. The name of the author may not be used to endorse or promote
|
|
* products derived from this software without specific prior written
|
|
* permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#include "cryb/impl.h"
|
|
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <wchar.h>
|
|
|
|
#include <cryb/wstring.h>
|
|
#include <cryb/cpe.h>
|
|
|
|
/*
|
|
* Free all memory allocated to a cpe structure.
|
|
*/
|
|
void
|
|
cpe_destroy(cpe_name *cpe)
|
|
{
|
|
|
|
if (cpe == NULL)
|
|
return;
|
|
for (int i = 0; i < cpe->nattr; ++i)
|
|
free(cpe->attr[i]);
|
|
free(cpe);
|
|
}
|
|
|
|
/*
|
|
* Copy one or more attributes from a source cpe structure to a
|
|
* destination cpe structure. If an attribute in the source is NULL, the
|
|
* corresponding attribute in the destination will be an empty string.
|
|
*/
|
|
static int
|
|
cpe_copy_attr(cpe_name *dst, const cpe_name *src, int base, int nattr)
|
|
{
|
|
|
|
if (base < 0 || nattr < 0 || base + nattr > src->nattr ||
|
|
base + nattr > dst->nattr)
|
|
return (-1);
|
|
if (nattr == 0)
|
|
nattr = src->nattr - base;
|
|
for (int i = base; i < base + nattr; ++i) {
|
|
if (src->attr[i] != NULL)
|
|
dst->attr[i] = wcsdup(src->attr[i]);
|
|
else
|
|
dst->attr[i] = wcsdup(L"");
|
|
if (dst->attr[i] == NULL)
|
|
return (-1);
|
|
}
|
|
return (nattr);
|
|
}
|
|
|
|
/*
|
|
* Duplicate a cpe structure. Any attributes that are NULL in the source
|
|
* will be empty strings in the destination.
|
|
*/
|
|
cpe_name *
|
|
cpe_clone(const cpe_name *cpe)
|
|
{
|
|
cpe_name *ncpe;
|
|
|
|
ncpe = calloc(1, sizeof *ncpe +
|
|
cpe->nattr * sizeof *ncpe->attr);
|
|
if (ncpe == NULL)
|
|
return (NULL);
|
|
if (cpe_copy_attr(ncpe, cpe, 0, 0) < 0) {
|
|
cpe_destroy(ncpe);
|
|
return (NULL);
|
|
}
|
|
return (ncpe);
|
|
}
|
|
|
|
/*
|
|
* Allocate a new cpe structure.
|
|
*/
|
|
cpe_name *
|
|
cpe_new(void)
|
|
{
|
|
cpe_name *ncpe;
|
|
|
|
if ((ncpe = calloc(1, sizeof *ncpe)) == NULL)
|
|
return (NULL);
|
|
ncpe->ver = cpe23_ver;
|
|
ncpe->nattr = cpe23_nattr;
|
|
return (ncpe);
|
|
}
|
|
|
|
/*
|
|
* Upgrade a cpe 2.2 structure to the latest supported version.
|
|
*/
|
|
cpe_name *
|
|
cpe_upgrade22(const cpe_name *cpe)
|
|
{
|
|
cpe_name *ncpe;
|
|
|
|
if ((ncpe = cpe_new()) == NULL)
|
|
return (NULL);
|
|
/* copy existing attributes */
|
|
if (cpe_copy_attr(ncpe, cpe, 0, cpe22_nattr) < 0) {
|
|
cpe_destroy(ncpe);
|
|
return (NULL);
|
|
}
|
|
/* extended attributes? */
|
|
if (ncpe->attr[cpe22_edition][0] == L'~') {
|
|
/*
|
|
* XXX pseudo-code:
|
|
*
|
|
* - Split into fields (return an error if there are more
|
|
* than four)
|
|
* - Assign these to sw_edition, target_sw, target_hw and
|
|
* other, in that order.
|
|
*/
|
|
}
|
|
return (ncpe);
|
|
}
|
|
|
|
/*
|
|
* Upgrade a cpe structure to the latest supported version.
|
|
*/
|
|
cpe_name *
|
|
cpe_upgrade(const cpe_name *cpe)
|
|
{
|
|
|
|
switch (cpe->ver) {
|
|
case cpe23_ver:
|
|
/* already latest */
|
|
return (cpe_clone(cpe));
|
|
case cpe22_ver:
|
|
return (cpe_upgrade22(cpe));
|
|
default:
|
|
return (NULL);
|
|
}
|
|
}
|