mirror of
https://git.openldap.org/openldap/openldap.git
synced 2024-12-09 02:52:04 +08:00
405 lines
8.6 KiB
C
405 lines
8.6 KiB
C
#include "portable.h"
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#include <stdio.h>
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#include <ac/signal.h>
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#include <ac/socket.h>
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#include <ac/string.h>
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#include <ac/time.h>
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#include <ac/unistd.h>
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#include <ac/wait.h>
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#include <ac/signal.h>
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#include <ac/errno.h>
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#include "ldapconfig.h"
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#include "slap.h"
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#include "lutil.h" /* Get lutil_detach() */
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#ifdef LDAP_SIGCHLD
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static RETSIGTYPE wait4child( int sig );
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#endif
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/*
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* when more than one slapd is running on one machine, each one might have
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* it's own LOCAL for syslogging and must have its own pid/args files
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*/
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#ifndef HAVE_MKVERSION
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const char Versionstr[] =
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OPENLDAP_PACKAGE " " OPENLDAP_VERSION " Standalone LDAP Server (slapd)";
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#endif
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#ifdef LOG_LOCAL4
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#define DEFAULT_SYSLOG_USER LOG_LOCAL4
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typedef struct _str2intDispatch {
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char *stringVal;
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int abbr;
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int intVal;
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} STRDISP, *STRDISP_P;
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/* table to compute syslog-options to integer */
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static STRDISP syslog_types[] = {
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{ "LOCAL0", 6, LOG_LOCAL0 },
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{ "LOCAL1", 6, LOG_LOCAL1 },
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{ "LOCAL2", 6, LOG_LOCAL2 },
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{ "LOCAL3", 6, LOG_LOCAL3 },
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{ "LOCAL4", 6, LOG_LOCAL4 },
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{ "LOCAL5", 6, LOG_LOCAL5 },
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{ "LOCAL6", 6, LOG_LOCAL6 },
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{ "LOCAL7", 6, LOG_LOCAL7 },
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{ NULL }
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};
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static int cnvt_str2int( char *, STRDISP_P, int );
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#endif /* LOG_LOCAL4 */
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static void
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usage( char *name )
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{
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fprintf( stderr, "usage: %s [-d ?|debuglevel] [-f configfile] [-p portnumber] [-s sysloglevel]", name );
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fprintf( stderr, "\n [-a bind-address] [-i]" );
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#if LDAP_CONNECTIONLESS
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fprintf( stderr, " [-c]" );
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#endif
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#ifdef SLAPD_BDB2
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fprintf( stderr, " [-t]" );
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#endif
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#ifdef LOG_LOCAL4
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fprintf( stderr, " [-l sysloguser]" );
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#endif
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#if defined(HAVE_SETUID) && defined(HAVE_SETGID)
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fprintf( stderr, " [-u user] [-g group]" );
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#endif
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fprintf( stderr, "\n" );
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}
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time_t starttime;
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struct sockaddr_in bind_addr;
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int
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main( int argc, char **argv )
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{
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int i;
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int inetd = 0;
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int rc;
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int tcps;
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#ifdef LDAP_CONNECTIONLESS
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int udp;
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#endif
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#ifdef LOG_LOCAL4
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int syslogUser = DEFAULT_SYSLOG_USER;
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#endif
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#if defined(HAVE_SETUID) && defined(HAVE_SETGID)
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char *username = NULL, *groupname = NULL;
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#endif
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char *configfile;
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char *serverName;
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int serverMode = SLAP_SERVER_MODE;
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configfile = SLAPD_DEFAULT_CONFIGFILE;
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(void) memset( (void*) &bind_addr, '\0', sizeof(bind_addr));
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bind_addr.sin_family = AF_INET;
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bind_addr.sin_addr.s_addr = htonl(INADDR_ANY);
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bind_addr.sin_port = htons(LDAP_PORT);
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g_argc = argc;
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g_argv = argv;
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while ( (i = getopt( argc, argv,
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"d:f:ia:p:s:"
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#ifdef LOG_LOCAL4
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"l:"
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#endif
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#ifdef SLAPD_BDB2
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"t"
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#endif
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#if defined(HAVE_SETUID) && defined(HAVE_SETGID)
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"u:g:"
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#endif
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#ifdef LDAP_CONNECTIONLESS
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"c"
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#endif
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)) != EOF ) {
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switch ( i ) {
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case 'a': /* bind address */
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#ifdef HAVE_WINSOCK
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if(!(bind_addr.sin_addr.S_un.S_addr = inet_addr(optarg)))
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#else
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if(!inet_aton(optarg, &bind_addr.sin_addr))
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#endif
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{
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fprintf(stderr, "invalid address (%s) for -a option", optarg);
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}
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break;
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#ifdef LDAP_DEBUG
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case 'd': /* turn on debugging */
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if ( optarg[0] == '?' ) {
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printf( "Debug levels:\n" );
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printf( "\tLDAP_DEBUG_TRACE\t%d\n",
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LDAP_DEBUG_TRACE );
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printf( "\tLDAP_DEBUG_PACKETS\t%d\n",
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LDAP_DEBUG_PACKETS );
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printf( "\tLDAP_DEBUG_ARGS\t\t%d\n",
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LDAP_DEBUG_ARGS );
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printf( "\tLDAP_DEBUG_CONNS\t%d\n",
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LDAP_DEBUG_CONNS );
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printf( "\tLDAP_DEBUG_BER\t\t%d\n",
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LDAP_DEBUG_BER );
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printf( "\tLDAP_DEBUG_FILTER\t%d\n",
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LDAP_DEBUG_FILTER );
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printf( "\tLDAP_DEBUG_CONFIG\t%d\n",
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LDAP_DEBUG_CONFIG );
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printf( "\tLDAP_DEBUG_ACL\t\t%d\n",
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LDAP_DEBUG_ACL );
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printf( "\tLDAP_DEBUG_STATS\t%d\n",
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LDAP_DEBUG_STATS );
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printf( "\tLDAP_DEBUG_STATS2\t%d\n",
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LDAP_DEBUG_STATS2 );
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printf( "\tLDAP_DEBUG_SHELL\t%d\n",
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LDAP_DEBUG_SHELL );
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printf( "\tLDAP_DEBUG_PARSE\t%d\n",
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LDAP_DEBUG_PARSE );
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printf( "\tLDAP_DEBUG_ANY\t\t%d\n",
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LDAP_DEBUG_ANY );
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exit( 0 );
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} else {
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slap_debug |= atoi( optarg );
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}
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break;
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#else
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case 'd': /* turn on debugging */
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fprintf( stderr,
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"must compile with LDAP_DEBUG for debugging\n" );
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break;
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#endif
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case 'f': /* read config file */
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configfile = ch_strdup( optarg );
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break;
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case 'i': /* run from inetd */
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inetd = 1;
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break;
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case 'p': { /* port on which to listen */
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short port = (short)atoi( optarg );
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if(! port ) {
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fprintf(stderr, "-p %s must be numeric\n", optarg);
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} else {
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bind_addr.sin_port = htons(port);
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}
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} break;
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case 's': /* set syslog level */
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ldap_syslog = atoi( optarg );
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break;
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#ifdef LOG_LOCAL4
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case 'l': /* set syslog local user */
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syslogUser = cnvt_str2int( optarg, syslog_types,
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DEFAULT_SYSLOG_USER );
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break;
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#endif
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#ifdef LDAP_CONNECTIONLESS
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case 'c': /* do connectionless (udp) */
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udp = 1;
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break;
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#endif
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#ifdef SLAPD_BDB2
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case 't': /* timed server */
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serverMode = SLAP_TIMEDSERVER_MODE;
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break;
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#endif
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#if defined(HAVE_SETUID) && defined(HAVE_SETGID)
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case 'u': /* user name */
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if( username ) free(username);
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username = ch_strdup( optarg );
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break;
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case 'g': /* group name */
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if( groupname ) free(groupname);
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groupname = ch_strdup( optarg );
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break;
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#endif /* SETUID && GETUID */
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default:
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usage( argv[0] );
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exit( 1 );
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}
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}
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ber_set_option(NULL, LBER_OPT_DEBUG_LEVEL, &slap_debug);
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ldap_set_option(NULL, LDAP_OPT_DEBUG_LEVEL, &slap_debug);
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ldif_debug = slap_debug;
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Debug( LDAP_DEBUG_TRACE, "%s", Versionstr, 0, 0 );
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if ( (serverName = strrchr( argv[0], '/' )) == NULL ) {
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serverName = ch_strdup( argv[0] );
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} else {
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serverName = ch_strdup( serverName + 1 );
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}
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#ifdef LOG_LOCAL4
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openlog( serverName, OPENLOG_OPTIONS, syslogUser );
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#else
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openlog( serverName, OPENLOG_OPTIONS );
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#endif
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tcps = set_socket( inetd ? NULL : &bind_addr );
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#if defined(HAVE_SETUID) && defined(HAVE_SETGID)
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if ( username != NULL || groupname != NULL )
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slap_init_user( username, groupname );
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#endif
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if ( slap_init( serverMode, serverName ) != 0 ) {
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rc = 1;
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goto destroy;
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}
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if ( read_config( configfile ) != 0 ) {
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rc = 1;
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goto destroy;
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}
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(void) SIGNAL( LDAP_SIGUSR1, slap_do_nothing );
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(void) SIGNAL( LDAP_SIGUSR2, slap_set_shutdown );
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#ifdef SIGPIPE
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(void) SIGNAL( SIGPIPE, SIG_IGN );
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#endif
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#ifdef SIGHUP
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(void) SIGNAL( SIGHUP, slap_set_shutdown );
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#endif
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(void) SIGNAL( SIGINT, slap_set_shutdown );
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(void) SIGNAL( SIGTERM, slap_set_shutdown );
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#ifdef LDAP_SIGCHLD
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(void) SIGNAL( LDAP_SIGCHLD, wait4child );
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#endif
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#ifndef WIN32
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if(!inetd) {
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#ifdef LDAP_DEBUG
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lutil_detach( ldap_debug, 0 );
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#else
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lutil_detach( 0, 0 );
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#endif
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}
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#endif /* WIN32 */
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if ( slap_startup(-1) != 0 ) {
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rc = 1;
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goto shutdown;
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}
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if(!inetd) {
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FILE *fp;
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Debug( LDAP_DEBUG_ANY, "slapd starting\n", 0, 0, 0 );
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if (( slapd_pid_file != NULL ) &&
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(( fp = fopen( slapd_pid_file, "w" )) != NULL ))
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{
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fprintf( fp, "%d\n", (int) getpid() );
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fclose( fp );
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}
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if (( slapd_args_file != NULL ) &&
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(( fp = fopen( slapd_args_file, "w" )) != NULL ))
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{
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for ( i = 0; i < g_argc; i++ ) {
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fprintf( fp, "%s ", g_argv[i] );
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}
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fprintf( fp, "\n" );
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fclose( fp );
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}
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}
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time( &starttime );
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rc = slapd_daemon( inetd, tcps );
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shutdown:
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/* remember an error during shutdown */
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rc |= slap_shutdown(-1);
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destroy:
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/* remember an error during destroy */
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rc |= slap_destroy();
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Debug( LDAP_DEBUG_ANY, "slapd stopped.\n", 0, 0, 0 );
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closelog();
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return rc;
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}
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#ifdef LDAP_SIGCHLD
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/*
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* Catch and discard terminated child processes, to avoid zombies.
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*/
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static RETSIGTYPE
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wait4child( int sig )
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{
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int save_errno = errno;
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#ifdef WNOHANG
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errno = 0;
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#ifdef HAVE_WAITPID
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while ( waitpid( (pid_t)-1, NULL, WNOHANG ) >= 0 || errno == EINTR )
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; /* NULL */
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#else
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while ( wait3( NULL, WNOHANG, NULL ) >= 0 || errno == EINTR )
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; /* NULL */
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#endif
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#else
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(void) wait( NULL );
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#endif
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(void) SIGNAL( sig, wait4child );
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errno = save_errno;
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}
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#endif /* SIGCHLD || SIGCLD */
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#ifdef LOG_LOCAL4
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/*
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* Convert a string to an integer by means of a dispatcher table
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* if the string is not in the table return the default
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*/
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static int
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cnvt_str2int( char *stringVal, STRDISP_P dispatcher, int defaultVal )
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{
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int retVal = defaultVal;
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STRDISP_P disp;
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for (disp = dispatcher; disp->stringVal; disp++) {
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if (!strncasecmp (stringVal, disp->stringVal, disp->abbr)) {
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retVal = disp->intVal;
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break;
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}
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}
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return (retVal);
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} /* cnvt_str2int */
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#endif /* LOG_LOCAL4 */
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