openldap/servers/slapd/main.c

361 lines
8.0 KiB
C

#include "portable.h"
#include <stdio.h>
#include <ac/signal.h>
#include <ac/socket.h>
#include <ac/string.h>
#include <ac/time.h>
#include <ac/unistd.h>
#include "ldapconfig.h"
#include "slap.h"
#include "lutil.h" /* Get lutil_detach() */
/*
* when more than one slapd is running on one machine, each one might have
* it's own LOCAL for syslogging and must have its own pid/args files
*/
#ifdef LOG_LOCAL4
#define DEFAULT_SYSLOG_USER LOG_LOCAL4
typedef struct _str2intDispatch {
char *stringVal;
int abbr;
int intVal;
} STRDISP, *STRDISP_P;
/* table to compute syslog-options to integer */
static STRDISP syslog_types[] = {
{ "LOCAL0", 6, LOG_LOCAL0 },
{ "LOCAL1", 6, LOG_LOCAL1 },
{ "LOCAL2", 6, LOG_LOCAL2 },
{ "LOCAL3", 6, LOG_LOCAL3 },
{ "LOCAL4", 6, LOG_LOCAL4 },
{ "LOCAL5", 6, LOG_LOCAL5 },
{ "LOCAL6", 6, LOG_LOCAL6 },
{ "LOCAL7", 6, LOG_LOCAL7 },
{ NULL }
};
static int cnvt_str2int( char *, STRDISP_P, int );
#endif /* LOG_LOCAL4 */
static void
usage( char *name )
{
fprintf( stderr, "usage: %s [-d ?|debuglevel] [-f configfile] [-p portnumber] [-s sysloglevel]", name );
#ifdef LOG_LOCAL4
fprintf( stderr, " [-l sysloguser]" );
#endif
fprintf( stderr, "\n" );
}
int
main( int argc, char **argv )
{
int i;
int inetd = 0;
int rc = 0;
int port;
int udp;
#ifdef LOG_LOCAL4
int syslogUser = DEFAULT_SYSLOG_USER;
#endif
char *configfile;
char *serverName;
int serverMode = SLAP_SERVER_MODE;
configfile = SLAPD_DEFAULT_CONFIGFILE;
port = LDAP_PORT;
g_argc = argc;
g_argv = argv;
#ifdef SLAPD_BDB2
while ( (i = getopt( argc, argv, "d:f:ip:s:ut" )) != EOF ) {
#else
while ( (i = getopt( argc, argv, "d:f:ip:s:u" )) != EOF ) {
#endif
switch ( i ) {
#ifdef LDAP_DEBUG
case 'd': /* turn on debugging */
if ( optarg[0] == '?' ) {
printf( "Debug levels:\n" );
printf( "\tLDAP_DEBUG_TRACE\t%d\n",
LDAP_DEBUG_TRACE );
printf( "\tLDAP_DEBUG_PACKETS\t%d\n",
LDAP_DEBUG_PACKETS );
printf( "\tLDAP_DEBUG_ARGS\t\t%d\n",
LDAP_DEBUG_ARGS );
printf( "\tLDAP_DEBUG_CONNS\t%d\n",
LDAP_DEBUG_CONNS );
printf( "\tLDAP_DEBUG_BER\t\t%d\n",
LDAP_DEBUG_BER );
printf( "\tLDAP_DEBUG_FILTER\t%d\n",
LDAP_DEBUG_FILTER );
printf( "\tLDAP_DEBUG_CONFIG\t%d\n",
LDAP_DEBUG_CONFIG );
printf( "\tLDAP_DEBUG_ACL\t\t%d\n",
LDAP_DEBUG_ACL );
printf( "\tLDAP_DEBUG_STATS\t%d\n",
LDAP_DEBUG_STATS );
printf( "\tLDAP_DEBUG_STATS2\t%d\n",
LDAP_DEBUG_STATS2 );
printf( "\tLDAP_DEBUG_SHELL\t%d\n",
LDAP_DEBUG_SHELL );
printf( "\tLDAP_DEBUG_PARSE\t%d\n",
LDAP_DEBUG_PARSE );
printf( "\tLDAP_DEBUG_ANY\t\t%d\n",
LDAP_DEBUG_ANY );
exit( 0 );
} else {
slap_debug |= atoi( optarg );
}
break;
#else
case 'd': /* turn on debugging */
fprintf( stderr,
"must compile with LDAP_DEBUG for debugging\n" );
break;
#endif
case 'f': /* read config file */
configfile = ch_strdup( optarg );
break;
case 'i': /* run from inetd */
inetd = 1;
break;
case 'p': /* port on which to listen */
port = atoi( optarg );
break;
case 's': /* set syslog level */
ldap_syslog = atoi( optarg );
break;
#ifdef LOG_LOCAL4
case 'l': /* set syslog local user */
syslogUser = cnvt_str2int( optarg, syslog_types,
DEFAULT_SYSLOG_USER );
break;
#endif
case 'u': /* do udp */
udp = 1;
break;
#ifdef SLAPD_BDB2
case 't': /* timed server */
serverMode = SLAP_TIMEDSERVER_MODE;
break;
#endif
default:
usage( argv[0] );
exit( 1 );
}
}
lber_set_option(NULL, LBER_OPT_DEBUG_LEVEL, &slap_debug);
ldap_set_option(NULL, LDAP_OPT_DEBUG_LEVEL, &slap_debug);
ldif_debug = slap_debug;
Debug( LDAP_DEBUG_TRACE, "%s", Versionstr, 0, 0 );
if ( (serverName = strrchr( argv[0], '/' )) == NULL ) {
serverName = ch_strdup( argv[0] );
} else {
serverName = ch_strdup( serverName + 1 );
}
#ifdef LOG_LOCAL4
openlog( serverName, OPENLOG_OPTIONS, syslogUser );
#else
openlog( serverName, OPENLOG_OPTIONS );
#endif
if ( slap_init( serverMode, serverName ) != 0 ) {
rc = 1;
goto destroy;
}
if ( read_config( configfile ) != 0 ) {
rc = 1;
goto destroy;
}
if ( slap_startup(-1) != 0 ) {
rc = 1;
goto shutdown;
}
if ( ! inetd ) {
int status;
(void) SIGNAL( LDAP_SIGUSR1, slap_do_nothing );
(void) SIGNAL( LDAP_SIGUSR2, slap_set_shutdown );
#ifdef SIGPIPE
(void) SIGNAL( SIGPIPE, SIG_IGN );
#endif
#ifdef SIGHUP
(void) SIGNAL( SIGHUP, slap_set_shutdown );
#endif
(void) SIGNAL( SIGINT, slap_set_shutdown );
(void) SIGNAL( SIGTERM, slap_set_shutdown );
#ifdef LDAP_DEBUG
lutil_detach( ldap_debug, 0 );
#else
lutil_detach( 0, 0 );
#endif
time( &starttime );
status = ldap_pvt_thread_create( &listener_tid, 0,
slapd_daemon, (void *) port );
if ( status != 0 )
{
Debug( LDAP_DEBUG_ANY,
"listener ldap_pvt_thread_create failed (%d)\n", status, 0, 0 );
rc = 1;
} else {
/* wait for the listener thread to complete */
ldap_pvt_thread_join( listener_tid, (void *) NULL );
}
} else {
Connection c;
BerElement ber;
unsigned long len, tag;
long msgid;
int flen;
struct sockaddr_in from;
struct hostent *hp;
c.c_dn = NULL;
c.c_cdn = NULL;
c.c_ops = NULL;
lber_pvt_sb_init( &c.c_sb );
lber_pvt_sb_set_desc( &c.c_sb, 0 );
lber_pvt_sb_set_io( &c.c_sb,
(udp) ? &lber_pvt_sb_io_udp : &lber_pvt_sb_io_tcp,
NULL );
/* FIXME: handle udp here */
ldap_pvt_thread_mutex_init( &c.c_dnmutex );
ldap_pvt_thread_mutex_init( &c.c_opsmutex );
ldap_pvt_thread_mutex_init( &c.c_pdumutex );
#ifdef notdefcldap
c.c_sb.sb_addrs = (void **) saddrlist;
c.c_sb.sb_fromaddr = &faddr;
c.c_sb.sb_useaddr = saddrlist[ 0 ] = &saddr;
#endif
flen = sizeof(from);
if ( getpeername( 0, (struct sockaddr *) &from, &flen ) == 0 ) {
#ifdef SLAPD_RLOOKUPS
hp = gethostbyaddr( (char *) &(from.sin_addr.s_addr),
sizeof(from.sin_addr.s_addr), AF_INET );
#else
hp = NULL;
#endif
Debug( LDAP_DEBUG_ARGS, "connection from %s (%s)\n",
hp == NULL ? "unknown" : hp->h_name,
inet_ntoa( from.sin_addr ), 0 );
c.c_addr = inet_ntoa( from.sin_addr );
c.c_domain = ch_strdup( hp == NULL ? "" : hp->h_name );
} else {
Debug( LDAP_DEBUG_ARGS, "connection from unknown\n",
0, 0, 0 );
}
ber_init_w_nullc( &ber, 0 );
while ( (tag = ber_get_next( &c.c_sb, &len, &ber ))
== LDAP_TAG_MESSAGE ) {
ldap_pvt_thread_mutex_lock( &currenttime_mutex );
time( &currenttime );
ldap_pvt_thread_mutex_unlock( &currenttime_mutex );
if ( (tag = ber_get_int( &ber, &msgid ))
!= LDAP_TAG_MSGID ) {
/* log and send error */
Debug( LDAP_DEBUG_ANY,
"ber_get_int returns 0x%lx\n", tag, 0, 0 );
ber_free( &ber, 1 );
return 1;
}
if ( (tag = ber_peek_tag( &ber, &len ))
== LBER_ERROR ) {
/* log, close and send error */
Debug( LDAP_DEBUG_ANY,
"ber_peek_tag returns 0x%lx\n", tag, 0, 0 );
ber_free( &ber, 1 );
lber_pvt_sb_close( &c.c_sb );
lber_pvt_sb_destroy( &c.c_sb );
return 1;
}
connection_activity( &c );
ber_free( &ber, 1 );
}
}
shutdown:
/* remember an error during shutdown */
rc |= slap_shutdown(-1);
destroy:
/* remember an error during destroy */
rc |= slap_destroy();
Debug( LDAP_DEBUG_ANY, "slapd stopped.\n", 0, 0, 0 );
return rc;
}
#ifdef LOG_LOCAL4
/*
* Convert a string to an integer by means of a dispatcher table
* if the string is not in the table return the default
*/
static int
cnvt_str2int( char *stringVal, STRDISP_P dispatcher, int defaultVal )
{
int retVal = defaultVal;
STRDISP_P disp;
for (disp = dispatcher; disp->stringVal; disp++) {
if (!strncasecmp (stringVal, disp->stringVal, disp->abbr)) {
retVal = disp->intVal;
break;
}
}
return (retVal);
} /* cnvt_str2int */
#endif /* LOG_LOCAL4 */