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/**
* @file dpkginfo.c
* @brief dpkginfo probe
* @author "Pierre Chifflier" <chifflier@wzdftpd.net>
*/
/*
* Copyright 2009 Red Hat Inc., Durham, North Carolina.
* All Rights Reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Authors:
* "Pierre Chifflier <chifflier@wzdftpd.net>"
*/
/*
* dpkginfo probe:
*
* dpkginfo_object(string name)
*
* dpkginfo_state(string name,
* string arch,
* string epoch,
* string release,
* string version,
* string evr,
* string signature_keyid)
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <assert.h>
/* SEAP */
#include <seap.h>
#include <probe-api.h>
#include <alloc.h>
#include <common/assume.h>
#include "common/debug_priv.h"
#include "common/debug_priv.h"
#include "public/oval_schema_version.h"
#include "dpkginfo-helper.h"
struct dpkginfo_global {
pthread_mutex_t mutex;
};
static struct dpkginfo_global g_dpkg;
void *probe_init(void)
{
pthread_mutex_init (&(g_dpkg.mutex), NULL);
dpkginfo_init();
return ((void *)&g_dpkg);
}
void probe_fini (void *ptr)
{
struct dpkginfo_global *d = (struct dpkginfo_global *)ptr;
dpkginfo_fini();
pthread_mutex_destroy (&(d->mutex));
return;
}
int probe_main (probe_ctx *ctx, void *arg)
{
SEXP_t *val, *item, *ent, *obj;
char *request_st = NULL;
struct dpkginfo_reply_t *dpkginfo_reply = NULL;
int errflag;
if (arg == NULL) {
return PROBE_EINIT;
}
obj = probe_ctx_getobject(ctx);
ent = probe_obj_getent(obj, "name", 1);
if (ent == NULL) {
return (PROBE_ENOENT);
}
val = probe_ent_getval (ent);
if (val == NULL) {
dI("%s: no value", "name");
SEXP_free (ent);
return (PROBE_ENOVAL);
}
request_st = SEXP_string_cstr (val);
SEXP_free (val);
if (request_st == NULL) {
switch (errno) {
case EINVAL:
dI("%s: invalid value type", "name");
return PROBE_EINVAL;
break;
case EFAULT:
dI("%s: element not found", "name");
return PROBE_ENOELM;
break;
default:
return PROBE_EUNKNOWN;
}
}
/* get info from debian apt cache */
pthread_mutex_lock (&(g_dpkg.mutex));
dpkginfo_reply = dpkginfo_get_by_name(request_st, &errflag);
pthread_mutex_unlock (&(g_dpkg.mutex));
if (dpkginfo_reply == NULL) {
switch (errflag) {
case 0: /* Not found */
{
dI("Package \"%s\" not found.", request_st);
break;
}
case -1: /* Error */
{
dI("dpkginfo_get_by_name failed.");
item = probe_item_create(OVAL_LINUX_DPKG_INFO, NULL,
"name", OVAL_DATATYPE_STRING, request_st,
NULL);
probe_item_setstatus (item, SYSCHAR_STATUS_ERROR);
probe_item_collect(ctx, item);
break;
}
}
} else { /* Ok */
int i;
int num_items = 1; /* FIXME */
oval_datatype_t evr_string_type;
oval_schema_version_t oval_version = probe_obj_get_platform_schema_version(obj);
if (oval_schema_version_cmp(oval_version, OVAL_SCHEMA_VERSION(5.11.1)) >= 0) {
evr_string_type = OVAL_DATATYPE_DEBIAN_EVR_STRING;
} else {
evr_string_type = OVAL_DATATYPE_EVR_STRING;
}
for (i = 0; i < num_items; ++i) {
dI("%s: element found version %s", dpkginfo_reply->name, dpkginfo_reply->evr);
item = probe_item_create (OVAL_LINUX_DPKG_INFO, NULL,
"name", OVAL_DATATYPE_STRING, dpkginfo_reply->name,
"arch", OVAL_DATATYPE_STRING, dpkginfo_reply->arch,
"epoch", OVAL_DATATYPE_STRING, dpkginfo_reply->epoch,
"release", OVAL_DATATYPE_STRING, dpkginfo_reply->release,
"version", OVAL_DATATYPE_STRING, dpkginfo_reply->version,
"evr", evr_string_type, dpkginfo_reply->evr,
NULL);
probe_item_collect(ctx, item);
dpkginfo_free_reply(dpkginfo_reply);
}
}
SEXP_vfree(ent, NULL);
free(request_st);
return (0);
}
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