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/*
Copyright (C) 2010 ABRT team
Copyright (C) 2010 RedHat Inc
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.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "abrtlib.h"
#include "rpm.h"
/**
* A set, which contains finger prints.
*/
static GList *list_fingerprints = NULL;
/* cuts the name from the NVR format: foo-1.2.3-1.el6
returns a newly allocated string
*/
char* get_package_name_from_NVR_or_NULL(const char* packageNVR)
{
char* package_name = NULL;
if (packageNVR != NULL)
{
VERB1 log("packageNVR %s", packageNVR);
package_name = xstrdup(packageNVR);
char *pos = strrchr(package_name, '-');
if (pos != NULL)
{
*pos = 0;
pos = strrchr(package_name, '-');
if (pos != NULL)
{
*pos = 0;
}
}
}
return package_name;
}
void rpm_init()
{
int status = rpmReadConfigFiles((const char*)NULL, (const char*)NULL);
if (status != 0)
error_msg("error reading rc files");
list_fingerprints = g_list_alloc();
}
static void list_free(gpointer data, gpointer user_data)
{
free(data);
}
void rpm_destroy()
{
rpmFreeRpmrc();
rpmFreeCrypto();
rpmFreeMacros(NULL);
g_list_foreach(list_fingerprints, list_free, NULL);
g_list_free(list_fingerprints);
}
void rpm_load_gpgkey(const char* filename)
{
uint8_t *pkt = NULL;
size_t pklen;
if (pgpReadPkts(filename, &pkt, &pklen) != PGPARMOR_PUBKEY)
{
free(pkt);
error_msg("Can't load public GPG key %s", filename);
return;
}
uint8_t keyID[8];
if (pgpPubkeyFingerprint(pkt, pklen, keyID) == 0)
{
char *fingerprint = pgpHexStr(keyID, sizeof(keyID));
if (fingerprint != NULL)
list_fingerprints = g_list_append(list_fingerprints, fingerprint);
}
free(pkt);
}
int rpm_chk_fingerprint(const char* pkg)
{
int ret = 0;
char *pgpsig = NULL;
const char *errmsg = NULL;
rpmts ts = rpmtsCreate();
rpmdbMatchIterator iter = rpmtsInitIterator(ts, RPMTAG_NAME, pkg, 0);
Header header = rpmdbNextIterator(iter);
if (!header)
goto error;
pgpsig = headerFormat(header, "%{SIGGPG:pgpsig}", &errmsg);
if (!pgpsig && errmsg)
{
VERB1 log("cannot get siggpg:pgpsig. reason: %s", errmsg);
goto error;
}
{
char *pgpsig_tmp = strstr(pgpsig, " Key ID ");
if (pgpsig_tmp)
{
pgpsig_tmp += sizeof(" Key ID ") - 1;
ret = (g_list_find(list_fingerprints, pgpsig_tmp) != NULL);
}
}
error:
free(pgpsig);
rpmdbFreeIterator(iter);
rpmtsFree(ts);
return ret;
}
/*
Checking the MD5 sum requires to run prelink to "un-prelink" the
binaries - this is considered potential security risk so we don't
use it, until we find some non-intrusive way
*/
/*
* Not woking, need to be rewriten
*
bool CheckHash(const char* pPackage, const char* pPath)
{
bool ret = true;
rpmts ts = rpmtsCreate();
rpmdbMatchIterator iter = rpmtsInitIterator(ts, RPMTAG_NAME, pPackage, 0);
Header header = rpmdbNextIterator(iter);
if (header == NULL)
goto error;
rpmfi fi = rpmfiNew(ts, header, RPMTAG_BASENAMES, RPMFI_NOHEADER);
std::string headerHash;
char computedHash[1024] = "";
while (rpmfiNext(fi) != -1)
{
if (strcmp(pPath, rpmfiFN(fi)) == 0)
{
headerHash = rpmfiFDigestHex(fi, NULL);
rpmDoDigest(rpmfiDigestAlgo(fi), pPath, 1, (unsigned char*) computedHash, NULL);
ret = (headerHash != "" && headerHash == computedHash);
break;
}
}
rpmfiFree(fi);
error:
rpmdbFreeIterator(iter);
rpmtsFree(ts);
return ret;
}
*/
char* rpm_get_component(const char* filename)
{
char *ret = NULL;
char *srpm = NULL;
const char *errmsg = NULL;
rpmts ts = rpmtsCreate();
rpmdbMatchIterator iter = rpmtsInitIterator(ts, RPMTAG_BASENAMES, filename, 0);
Header header = rpmdbNextIterator(iter);
if (!header)
goto error;
srpm = headerFormat(header, "%{SOURCERPM}", &errmsg);
if (!srpm && errmsg)
{
error_msg("cannot get srpm. reason: %s", errmsg);
goto error;
}
ret = get_package_name_from_NVR_or_NULL(srpm);
free(srpm);
error:
rpmdbFreeIterator(iter);
rpmtsFree(ts);
return ret;
}
// caller is responsible to free returned value
char* rpm_get_package_nvr(const char* filename)
{
char* nvr = NULL;
const char *errmsg = NULL;
rpmts ts = rpmtsCreate();
rpmdbMatchIterator iter = rpmtsInitIterator(ts, RPMTAG_BASENAMES, filename, 0);
Header header = rpmdbNextIterator(iter);
if (!header)
goto error;
nvr = headerFormat(header, "%{NAME}-%{VERSION}-%{RELEASE}", &errmsg);
if (!nvr && errmsg)
error_msg("cannot get nvr. reason: %s", errmsg);
error:
rpmdbFreeIterator(iter);
rpmtsFree(ts);
return nvr;
}
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