mirror/openldap
2
0
Fork 0
mirror of https://git.openldap.org/openldap/openldap.git synced 2024-12-21 03:10:25 +08:00
Code Issues Packages Projects Releases Wiki Activity
29a7d6229a
openldap/servers/slapd/main.c

399 lines
8.5 KiB
C
Raw Blame History

#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 <ac/wait.h>
#include <ac/signal.h>
#include <ac/errno.h>
#include "ldapconfig.h"
#include "slap.h"
#include "lutil.h" /* Get lutil_detach() */
#ifdef LDAP_SIGCHLD
static RETSIGTYPE wait4child( int sig );
#endif
#ifdef WIN32
const char Versionstr[] = "OpenLDAP slapd 1.2 for Windows NT";
#endif
/*
* 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 );
fprintf( stderr, "\n [-a bind-address] [-i]" );
#if LDAP_CONNECTIONLESS
fprintf( stderr, " [-c]" );
#endif
#ifdef SLAPD_BDB2
fprintf( stderr, " [-t]" );
#endif
#ifdef LOG_LOCAL4
fprintf( stderr, " [-l sysloguser]" );
#endif
#if defined(HAVE_SETUID) && defined(HAVE_SETGID)
fprintf( stderr, " [-u user] [-g group]" );
#endif
fprintf( stderr, "\n" );
}
time_t starttime;
struct sockaddr_in bind_addr;
int
main( int argc, char **argv )
{
int i;
int inetd = 0;
int rc;
int tcps;
int udp;
#ifdef LOG_LOCAL4
int syslogUser = DEFAULT_SYSLOG_USER;
#endif
#if defined(HAVE_SETUID) && defined(HAVE_SETGID)
char *username = NULL, *groupname = NULL;
#endif
char *configfile;
char *serverName;
int serverMode = SLAP_SERVER_MODE;
configfile = SLAPD_DEFAULT_CONFIGFILE;
(void) memset( (void*) &bind_addr, '\0', sizeof(bind_addr));
bind_addr.sin_family = AF_INET;
bind_addr.sin_addr.s_addr = htonl(INADDR_ANY);
bind_addr.sin_port = htons(LDAP_PORT);
g_argc = argc;
g_argv = argv;
while ( (i = getopt( argc, argv,
"d:f:ia:p:s:c"
#ifdef LOG_LOCAL4
"l:"
#endif
#ifdef SLAPD_BDB2
"t"
#endif
#if defined(HAVE_SETUID) && defined(HAVE_SETGID)
"u:g:"
#endif
)) != EOF ) {
switch ( i ) {
case 'a': /* bind address */
#ifdef HAVE_WINSOCK
if(!(bind_addr.sin_addr.S_un.S_addr = inet_addr(optarg)))
#else
if(!inet_aton(optarg, &bind_addr.sin_addr))
#endif
{
fprintf(stderr, "invalid address (%s) for -a option", optarg);
}
break;
#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 */
short port = (short)atoi( optarg );
if(! port ) {
fprintf(stderr, "-p %s must be numeric\n", optarg);
} else {
bind_addr.sin_port = htons(port);
}
} 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
#ifdef LDAP_CONNECTIONLESS
case 'c': /* do connectionless (udp) */
udp = 1;
break;
#endif
#ifdef SLAPD_BDB2
case 't': /* timed server */
serverMode = SLAP_TIMEDSERVER_MODE;
break;
#endif
#if defined(HAVE_SETUID) && defined(HAVE_SETGID)
case 'u': /* user name */
if( username ) free(username);
username = ch_strdup( optarg );
break;
case 'g': /* group name */
if( groupname ) free(groupname);
groupname = ch_strdup( optarg );
break;
#endif /* SETUID && GETUID */
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
tcps = set_socket( inetd ? NULL : &bind_addr );
#if defined(HAVE_SETUID) && defined(HAVE_SETGID)
if ( username != NULL || groupname != NULL )
slap_init_user( username, groupname );
#endif
if ( slap_init( serverMode, serverName ) != 0 ) {
rc = 1;
goto destroy;
}
if ( read_config( configfile ) != 0 ) {
rc = 1;
goto destroy;
}
(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_SIGCHLD
(void) SIGNAL( LDAP_SIGCHLD, wait4child );
#endif
#ifndef WIN32
if(!inetd) {
#ifdef LDAP_DEBUG
lutil_detach( ldap_debug, 0 );
#else
lutil_detach( 0, 0 );
#endif
}
#endif /* WIN32 */
if ( slap_startup(-1) != 0 ) {
rc = 1;
goto shutdown;
}
if(!inetd) {
FILE *fp;
Debug( LDAP_DEBUG_ANY, "slapd starting\n", 0, 0, 0 );
if (( slapd_pid_file != NULL ) &&
(( fp = fopen( slapd_pid_file, "w" )) != NULL ))
{
fprintf( fp, "%d\n", (int) getpid() );
fclose( fp );
}
if (( slapd_args_file != NULL ) &&
(( fp = fopen( slapd_args_file, "w" )) != NULL ))
{
for ( i = 0; i < g_argc; i++ ) {
fprintf( fp, "%s ", g_argv[i] );
}
fprintf( fp, "\n" );
fclose( fp );
}
}
time( &starttime );
rc = slapd_daemon( inetd, tcps );
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 );
closelog();
return rc;
}
#ifdef LDAP_SIGCHLD
/*
* Catch and discard terminated child processes, to avoid zombies.
*/
static RETSIGTYPE
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( 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 */
Reference in New Issue View Git Blame Copy Permalink