#include <stdio.h>
+#include <ac/errno.h>
+#include <ac/signal.h>
#include <ac/socket.h>
#include <ac/string.h>
#include <ac/time.h>
#include "slap.h"
#include "lutil.h" /* Get lutil_detach() */
-
-/*
- * read-only global variables or variables only written by the listener
- * thread (after they are initialized) - no need to protect them with a mutex.
- */
-int ldap_debug = 0;
-#ifdef LDAP_DEBUG
-int ldap_syslog = LDAP_DEBUG_STATS;
-#else
-int ldap_syslog;
+#ifdef LDAP_SIGCHLD
+static void wait4child( int sig );
#endif
-int ldap_syslog_level = LOG_DEBUG;
-int udp;
-int slapd_shutdown;
-char *default_referral;
-char *configfile;
-time_t starttime;
-pthread_t listener_tid;
-int g_argc;
-char **g_argv;
-/*
- * global variables that need mutex protection
- */
-time_t currenttime;
-pthread_mutex_t currenttime_mutex;
-int active_threads;
-pthread_mutex_t active_threads_mutex;
-pthread_mutex_t new_conn_mutex;
-long ops_initiated;
-long ops_completed;
-int num_conns;
-pthread_mutex_t ops_mutex;
-long num_entries_sent;
-long num_bytes_sent;
-pthread_mutex_t num_sent_mutex;
+
/*
- * these mutexes must be used when calling the entry2str()
- * routine since it returns a pointer to static data.
+ * 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
*/
-pthread_mutex_t entry2str_mutex;
-pthread_mutex_t replog_mutex;
+
+#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();
+
+#endif /* LOG_LOCAL4 */
+
static void
usage( char *name )
{
- fprintf( stderr, "usage: %s [-d ?|debuglevel] [-f configfile] [-p portnumber] [-s sysloglevel]\n", 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
int i;
int inetd = 0;
int port;
- char *myname;
+ int udp;
Backend *be = NULL;
FILE *fp = NULL;
+ char *configfile;
+ char *serverName;
+#ifdef LOG_LOCAL4
+ char *optstring = "d:f:ip:s:ul:";
+ int syslogUser = DEFAULT_SYSLOG_USER;
+#else
+ char *optstring = "d:f:ip:s:u";
+#endif
configfile = SLAPD_DEFAULT_CONFIGFILE;
port = LDAP_PORT;
g_argc = argc;
g_argv = argv;
- while ( (i = getopt( argc, argv, "d:f:ip:s:u" )) != EOF ) {
+ while ( (i = getopt( argc, argv, optstring )) != EOF ) {
switch ( i ) {
#ifdef LDAP_DEBUG
case 'd': /* turn on debugging */
#endif
case 'f': /* read config file */
- configfile = strdup( optarg );
+ configfile = ch_strdup( optarg );
break;
case 'i': /* run from inetd */
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;
Debug( LDAP_DEBUG_TRACE, "%s", Versionstr, 0, 0 );
- if ( (myname = strrchr( argv[0], '/' )) == NULL ) {
- myname = strdup( argv[0] );
+ if ( (serverName = strrchr( argv[0], '/' )) == NULL ) {
+ serverName = ch_strdup( argv[0] );
} else {
- myname = strdup( myname + 1 );
+ serverName = ch_strdup( serverName + 1 );
}
if ( ! inetd ) {
lutil_detach( 0, 0 );
#endif
}
+
#ifdef LOG_LOCAL4
- openlog( myname, OPENLOG_OPTIONS, LOG_LOCAL4 );
+ openlog( serverName, OPENLOG_OPTIONS, syslogUser );
#else
- openlog( myname, OPENLOG_OPTIONS );
+ openlog( serverName, OPENLOG_OPTIONS );
#endif
init();
read_config( configfile, &be, fp );
if ( ! inetd ) {
- pthread_attr_t attr;
int status;
+ (void) SIGNAL( SIGPIPE, SIG_IGN );
+ (void) SIGNAL( LDAP_SIGUSR1, slap_do_nothing );
+ (void) SIGNAL( LDAP_SIGUSR2, slap_set_shutdown );
+ (void) SIGNAL( SIGTERM, slap_set_shutdown );
+ (void) SIGNAL( SIGINT, slap_set_shutdown );
+ (void) SIGNAL( SIGHUP, slap_set_shutdown );
+#ifdef LDAP_SIGCHLD
+ (void) SIGNAL( LDAP_SIGCHLD, wait4child );
+#endif
+
time( &starttime );
- pthread_attr_init( &attr );
- pthread_attr_setdetachstate( &attr, PTHREAD_CREATE_DETACHED );
-
-#if !defined(HAVE_PTHREADS_D4)
- /* POSIX_THREADS or compatible
- * This is a draft 10 or standard pthreads implementation
- */
- if ( pthread_create( &listener_tid, &attr, slapd_daemon,
- (void *) port ) != 0 ) {
- Debug( LDAP_DEBUG_ANY,
- "listener pthread_create failed\n", 0, 0, 0 );
- exit( 1 );
- }
-#else /* draft4 */
- /*
- * This is a draft 4 or earlier pthreads implementation
- */
- if ( pthread_create( &listener_tid, attr, slapd_daemon,
- (void *) port ) != 0 ) {
+
+ if ( status = ldap_pvt_thread_create( &listener_tid, 0,
+ slapd_daemon, (void *) port ) != 0 )
+ {
Debug( LDAP_DEBUG_ANY,
- "listener pthread_create failed\n", 0, 0, 0 );
+ "listener ldap_pvt_thread_create failed (%d)\n", status, 0, 0 );
exit( 1 );
}
-#endif /* !draft4 */
- pthread_attr_destroy( &attr );
- pthread_join( listener_tid, (void *) &status );
- pthread_exit( 0 );
+
+ ldap_pvt_thread_join( listener_tid, (void *) NULL );
+
+ return 0;
+
} else {
Connection c;
Operation *o;
struct hostent *hp;
c.c_dn = NULL;
+ c.c_cdn = NULL;
c.c_ops = NULL;
c.c_sb.sb_sd = 0;
c.c_sb.sb_options = 0;
c.c_sb.sb_ber.ber_buf = NULL;
c.c_sb.sb_ber.ber_ptr = NULL;
c.c_sb.sb_ber.ber_end = NULL;
- pthread_mutex_init( &c.c_dnmutex, pthread_mutexattr_default );
- pthread_mutex_init( &c.c_opsmutex, pthread_mutexattr_default );
- pthread_mutex_init( &c.c_pdumutex, pthread_mutexattr_default );
+ 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;
inet_ntoa( from.sin_addr ), 0 );
c.c_addr = inet_ntoa( from.sin_addr );
- c.c_domain = strdup( hp == NULL ? "" : hp->h_name );
+ c.c_domain = ch_strdup( hp == NULL ? "" : hp->h_name );
} else {
Debug( LDAP_DEBUG_ARGS, "connection from unknown\n",
0, 0, 0 );
ber_init( &ber, 0 );
while ( (tag = ber_get_next( &c.c_sb, &len, &ber ))
== LDAP_TAG_MESSAGE ) {
- pthread_mutex_lock( ¤ttime_mutex );
+ ldap_pvt_thread_mutex_lock( ¤ttime_mutex );
time( ¤ttime );
- pthread_mutex_unlock( ¤ttime_mutex );
+ ldap_pvt_thread_mutex_unlock( ¤ttime_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;
}
}
return 1;
}
+
+
+#ifdef LDAP_SIGCHLD
+
+/*
+ * Catch and discard terminated child processes, to avoid zombies.
+ */
+
+static void
+wait4child( int sig )
+{
+ int save_errno = errno;
+
+#ifdef WNOHANG
+ errno = 0;
+#ifdef HAVE_WAITPID
+ while ( waitpid( (pid_t)-1, NULL, WNOHANG ) >= 0 || errno == EINTR )
+ ; /* NULL */
+#else
+ while ( wait3( NULL, WNOHANG, NULL ) >= 0 || errno == EINTR )
+ ; /* NULL */
+#endif
+#else
+ (void) wait( NULL );
+#endif
+ (void) SIGNAL( sig, wait4child );
+ errno = save_errno;
+}
+
+#endif /* SIGCHLD || SIGCLD */
+
+
+#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 (stringVal, dispatcher, defaultVal)
+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 */
+