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/*
* swinst_rpm.c:
* hrSWInstalledTable data access:
*/
#include <net-snmp/net-snmp-config.h>
#include <net-snmp/net-snmp-features.h>
#include <stdio.h>
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#else
#include <strings.h>
#endif
#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#endif
#ifdef HAVE_RPM_RPMLIB_H
#include <rpm/rpmlib.h>
#endif
#ifdef HAVE_RPM_RPMLIB_H
#include <rpm/header.h>
#endif
#ifdef HAVE_RPMGETPATH /* HAVE_RPM_RPMMACRO_H */
#include <rpm/rpmmacro.h>
#endif
#ifdef HAVE_RPM_RPMTS_H
#include <rpm/rpmts.h>
#include <rpm/rpmdb.h>
#endif
#include <net-snmp/net-snmp-includes.h>
#include <net-snmp/agent/net-snmp-agent-includes.h>
#include <net-snmp/library/container.h>
#include <net-snmp/library/snmp_debug.h>
#include <net-snmp/data_access/swinst.h>
netsnmp_feature_require(date_n_time)
/*
* Location of RPM package directory.
* Used for:
* - reporting hrSWInstalledLast* objects
* - detecting when the cached contents are out of date.
*/
char pkg_directory[SNMP_MAXPATH];
/* ---------------------------------------------------------------------
*/
void
netsnmp_swinst_arch_init(void)
{
char *rpmdbpath = NULL;
const char *dbpath;
struct stat stat_buf;
#ifdef HAVE_RPMGETPATH
rpmReadConfigFiles( NULL, NULL );
rpmdbpath = rpmGetPath( "%{_dbpath}", NULL );
dbpath = rpmdbpath;
#else
dbpath = "/var/lib/rpm"; /* Most likely */
#endif
snprintf( pkg_directory, SNMP_MAXPATH, "%s/Packages", dbpath );
SNMP_FREE(rpmdbpath);
dbpath = NULL;
if (-1 == stat( pkg_directory, &stat_buf )) {
snmp_log(LOG_ERR, "Can't find directory of RPM packages");
pkg_directory[0] = '\0';
}
}
void
netsnmp_swinst_arch_shutdown(void)
{
/* Nothing to do */
return;
}
/* ---------------------------------------------------------------------
*/
int
netsnmp_swinst_arch_load( netsnmp_container *container, u_int flags)
{
rpmts ts;
rpmdbMatchIterator mi;
Header h;
char *n, *v, *r, *g;
int32_t *t;
time_t install_time;
size_t date_len;
int i = 1;
netsnmp_swinst_entry *entry;
ts = rpmtsCreate();
rpmtsSetVSFlags( ts, (_RPMVSF_NOSIGNATURES|_RPMVSF_NODIGESTS));
mi = rpmtsInitIterator( ts, RPMDBI_PACKAGES, NULL, 0);
if (mi == NULL)
NETSNMP_LOGONCE((LOG_ERR, "rpmdbOpen() failed\n"));
while (NULL != (h = rpmdbNextIterator( mi )))
{
const u_char *dt;
entry = netsnmp_swinst_entry_create( i++ );
if (NULL == entry)
continue; /* error already logged by function */
CONTAINER_INSERT(container, entry);
h = headerLink( h );
headerGetEntry( h, RPMTAG_NAME, NULL, (void**)&n, NULL);
headerGetEntry( h, RPMTAG_VERSION, NULL, (void**)&v, NULL);
headerGetEntry( h, RPMTAG_RELEASE, NULL, (void**)&r, NULL);
headerGetEntry( h, RPMTAG_GROUP, NULL, (void**)&g, NULL);
headerGetEntry( h, RPMTAG_INSTALLTIME, NULL, (void**)&t, NULL);
entry->swName_len = snprintf( entry->swName, sizeof(entry->swName),
"%s-%s-%s", n, v, r);
if (entry->swName_len > sizeof(entry->swName))
entry->swName_len = sizeof(entry->swName);
entry->swType = (NULL != strstr( g, "System Environment"))
? 2 /* operatingSystem */
: 4; /* application */
install_time = *t;
dt = date_n_time( &install_time, &date_len );
if (date_len != 8 && date_len != 11) {
snmp_log(LOG_ERR, "Bogus length from date_n_time for %s", entry->swName);
entry->swDate_len = 0;
}
else {
entry->swDate_len = date_len;
memcpy(entry->swDate, dt, entry->swDate_len);
}
headerFree( h );
}
rpmdbFreeIterator( mi );
rpmtsFree( ts );
DEBUGMSGTL(("swinst:load:arch", "loaded %d entries\n",
(int)CONTAINER_SIZE(container)));
return 0;
}
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