openldap/clients/tools/ldapdelete.c
2000-06-14 03:07:33 +00:00

498 lines
12 KiB
C

/* ldapdelete.c - simple program to delete an entry using LDAP */
/* $OpenLDAP$ */
/*
* Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
#include "portable.h"
#include <stdio.h>
#include <ac/stdlib.h>
#include <ac/ctype.h>
#include <ac/signal.h>
#include <ac/string.h>
#include <ac/unistd.h>
#include <lber.h>
#include <ldap.h>
static char *binddn = NULL;
static struct berval passwd = { 0, NULL};
static char *ldaphost = NULL;
static int ldapport = 0;
static int prune = 0;
#ifdef HAVE_CYRUS_SASL
static char *sasl_authc_id = NULL;
static char *sasl_authz_id = NULL;
static char *sasl_mech = NULL;
static int sasl_integrity = 0;
static int sasl_privacy = 0;
#endif
static int use_tls = 0;
static int not, verbose, contoper;
static LDAP *ld;
static int dodelete LDAP_P((
LDAP *ld,
char *dn));
static int deletechildren LDAP_P(( LDAP *ld,
char *dn ));
static void
usage( const char *s )
{
fprintf( stderr,
"Delete entries from an LDAP server\n\n"
"usage: %s [options] [dn]...\n"
" dn: list of DNs to delete. If not given, it will be readed from stdin\n"
" or from the file specified with \"-f file\".\n"
"options:\n"
" -c\t\tcontinuous operation mode (do not stop on errors)\n"
" -d level\tset LDAP debugging level to `level'\n"
" -D binddn\tbind DN\n"
" -E\t\trequest SASL privacy (-EE to make it critical)\n"
" -f file\t\tdelete DNs listed in `file'\n"
" -h host\t\tLDAP server\n"
" -I\t\trequest SASL integrity checking (-II to make it\n"
" \tcritical)\n"
" -k\t\tuse Kerberos authentication\n"
" -K\t\tlike -k, but do only step 1 of the Kerberos bind\n"
" -M\t\tenable Manage DSA IT control (-MM to make it critical)\n"
" -n\t\tshow what would be done but don't actually delete\n"
" -p port\t\tport on LDAP server\n"
" -P version\tprocotol version (2 or 3)\n"
" -r\t\tdelete recursively\n"
" -U user\t\tSASL authentication identity (username)\n"
" -v\t\trun in verbose mode (diagnostics to standard output)\n"
" -w passwd\tbind passwd (for simple authentication)\n"
" -W\t\tprompt for bind passwd\n"
" -X id\t\tSASL authorization identity (\"dn:<dn>\" or \"u:<user>\")\n"
" -Y mech\t\tSASL mechanism\n"
" -Z\t\trequest the use of TLS (-ZZ to make it critical)\n"
, s );
exit( EXIT_FAILURE );
}
int
main( int argc, char **argv )
{
char buf[ 4096 ];
FILE *fp;
int i, rc, authmethod, want_bindpw, version, debug, manageDSAit;
not = verbose = contoper = want_bindpw = debug = manageDSAit = 0;
fp = NULL;
authmethod = LDAP_AUTH_SIMPLE;
version = -1;
while (( i = getopt( argc, argv, "cD:d:Ef:h:IKkMnP:p:rU:vWw:X:Y:Z" )) != EOF ) {
switch( i ) {
case 'k': /* kerberos bind */
#ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND
authmethod = LDAP_AUTH_KRBV4;
#else
fprintf( stderr, "%s was not compiled with Kerberos support\n", argv[0] );
return( EXIT_FAILURE );
#endif
break;
case 'K': /* kerberos bind, part one only */
#ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND
authmethod = LDAP_AUTH_KRBV41;
#else
fprintf( stderr, "%s was not compiled with Kerberos support\n", argv[0] );
return( EXIT_FAILURE );
#endif
break;
case 'c': /* continuous operation mode */
++contoper;
break;
case 'h': /* ldap host */
ldaphost = strdup( optarg );
break;
case 'D': /* bind DN */
binddn = strdup( optarg );
break;
case 'w': /* password */
passwd.bv_val = strdup( optarg );
{
char* p;
for( p = optarg; *p == '\0'; p++ ) {
*p = '*';
}
}
passwd.bv_len = strlen( passwd.bv_val );
break;
case 'f': /* read DNs from a file */
if (( fp = fopen( optarg, "r" )) == NULL ) {
perror( optarg );
exit( EXIT_FAILURE );
}
break;
case 'd':
debug |= atoi( optarg );
break;
case 'p':
ldapport = atoi( optarg );
break;
case 'n': /* print deletes, don't actually do them */
++not;
break;
case 'r':
prune = 1;
break;
case 'v': /* verbose mode */
verbose++;
break;
case 'M':
/* enable Manage DSA IT */
manageDSAit++;
break;
case 'W':
want_bindpw++;
break;
case 'P':
switch( atoi(optarg) )
{
case 2:
version = LDAP_VERSION2;
break;
case 3:
version = LDAP_VERSION3;
break;
default:
fprintf( stderr, "protocol version should be 2 or 3\n" );
usage( argv[0] );
return( EXIT_FAILURE );
}
break;
case 'I':
#ifdef HAVE_CYRUS_SASL
sasl_integrity++;
authmethod = LDAP_AUTH_SASL;
#else
fprintf( stderr, "%s was not compiled with SASL support\n",
argv[0] );
return( EXIT_FAILURE );
#endif
break;
case 'E':
#ifdef HAVE_CYRUS_SASL
sasl_privacy++;
authmethod = LDAP_AUTH_SASL;
#else
fprintf( stderr, "%s was not compiled with SASL support\n",
argv[0] );
return( EXIT_FAILURE );
#endif
break;
case 'Y':
#ifdef HAVE_CYRUS_SASL
if ( strcasecmp( optarg, "any" ) && strcmp( optarg, "*" ) ) {
sasl_mech = strdup( optarg );
}
authmethod = LDAP_AUTH_SASL;
#else
fprintf( stderr, "%s was not compiled with SASL support\n",
argv[0] );
return( EXIT_FAILURE );
#endif
break;
case 'U':
#ifdef HAVE_CYRUS_SASL
sasl_authc_id = strdup( optarg );
authmethod = LDAP_AUTH_SASL;
#else
fprintf( stderr, "%s was not compiled with SASL support\n",
argv[0] );
return( EXIT_FAILURE );
#endif
break;
case 'X':
#ifdef HAVE_CYRUS_SASL
sasl_authz_id = strdup( optarg );
authmethod = LDAP_AUTH_SASL;
#else
fprintf( stderr, "%s was not compiled with SASL support\n",
argv[0] );
return( EXIT_FAILURE );
#endif
break;
case 'Z':
#ifdef HAVE_TLS
use_tls++;
#else
fprintf( stderr, "%s was not compiled with TLS support\n",
argv[0] );
return( EXIT_FAILURE );
#endif
break;
default:
usage( argv[0] );
return( EXIT_FAILURE );
}
}
if ( ( authmethod == LDAP_AUTH_KRBV4 ) || ( authmethod ==
LDAP_AUTH_KRBV41 ) ) {
if( version > LDAP_VERSION2 ) {
fprintf( stderr, "Kerberos requires LDAPv2\n" );
return( EXIT_FAILURE );
}
version = LDAP_VERSION2;
}
else if ( authmethod == LDAP_AUTH_SASL ) {
if( version != -1 && version != LDAP_VERSION3 ) {
fprintf( stderr, "SASL requires LDAPv3\n" );
return( EXIT_FAILURE );
}
version = LDAP_VERSION3;
}
if( manageDSAit ) {
if( version != -1 && version != LDAP_VERSION3 ) {
fprintf(stderr, "manage DSA control requires LDAPv3\n");
return EXIT_FAILURE;
}
version = LDAP_VERSION3;
}
if( use_tls ) {
if( version != -1 && version != LDAP_VERSION3 ) {
fprintf(stderr, "Start TLS requires LDAPv3\n");
return EXIT_FAILURE;
}
version = LDAP_VERSION3;
}
if ( fp == NULL ) {
if ( optind >= argc ) {
fp = stdin;
}
}
if ( debug ) {
if( ber_set_option( NULL, LBER_OPT_DEBUG_LEVEL, &debug ) != LBER_OPT_SUCCESS ) {
fprintf( stderr, "Could not set LBER_OPT_DEBUG_LEVEL %d\n", debug );
}
if( ldap_set_option( NULL, LDAP_OPT_DEBUG_LEVEL, &debug ) != LDAP_OPT_SUCCESS ) {
fprintf( stderr, "Could not set LDAP_OPT_DEBUG_LEVEL %d\n", debug );
}
}
#ifdef SIGPIPE
(void) SIGNAL( SIGPIPE, SIG_IGN );
#endif
if (( ld = ldap_init( ldaphost, ldapport )) == NULL ) {
perror( "ldap_init" );
return( EXIT_FAILURE );
}
{
/* this seems prudent */
int deref = LDAP_DEREF_NEVER;
ldap_set_option( ld, LDAP_OPT_DEREF, &deref );
}
/* don't chase referrals */
ldap_set_option( ld, LDAP_OPT_REFERRALS, LDAP_OPT_OFF );
if (version != -1 &&
ldap_set_option( ld, LDAP_OPT_PROTOCOL_VERSION, &version ) != LDAP_OPT_SUCCESS)
{
fprintf( stderr, "Could not set LDAP_OPT_PROTOCOL_VERSION %d\n", version );
}
if ( use_tls && ldap_start_tls_s( ld, NULL, NULL ) != LDAP_SUCCESS ) {
if ( use_tls > 1 ) {
ldap_perror( ld, "ldap_start_tls" );
return( EXIT_FAILURE );
}
}
if (want_bindpw) {
passwd.bv_val = getpassphrase("Enter LDAP Password: ");
passwd.bv_len = strlen( passwd.bv_val );
}
if ( authmethod == LDAP_AUTH_SASL ) {
#ifdef HAVE_CYRUS_SASL
int minssf = 0, maxssf = 0;
if ( sasl_integrity > 0 )
maxssf = 1;
if ( sasl_integrity > 1 )
minssf = 1;
if ( sasl_privacy > 0 )
maxssf = 100000; /* Something big value */
if ( sasl_privacy > 1 )
minssf = 56;
if ( ldap_set_option( ld, LDAP_OPT_X_SASL_MINSSF,
(void *)&minssf ) != LDAP_OPT_SUCCESS ) {
fprintf( stderr, "Could not set LDAP_OPT_X_SASL_MINSSF"
"%d\n", minssf);
return( EXIT_FAILURE );
}
if ( ldap_set_option( ld, LDAP_OPT_X_SASL_MAXSSF,
(void *)&maxssf ) != LDAP_OPT_SUCCESS ) {
fprintf( stderr, "Could not set LDAP_OPT_X_SASL_MAXSSF"
"%d\n", maxssf);
return( EXIT_FAILURE );
}
rc = ldap_negotiated_sasl_bind_s( ld, binddn, sasl_authc_id,
sasl_authz_id, sasl_mech,
passwd.bv_len ? &passwd : NULL,
NULL, NULL );
if( rc != LDAP_SUCCESS ) {
ldap_perror( ld, "ldap_negotiated_sasl_bind_s" );
return( EXIT_FAILURE );
}
#else
fprintf( stderr, "%s was not compiled with SASL support\n",
argv[0] );
return( EXIT_FAILURE );
#endif
}
else {
if ( ldap_bind_s( ld, binddn, passwd.bv_val, authmethod )
!= LDAP_SUCCESS ) {
ldap_perror( ld, "ldap_bind" );
return( EXIT_FAILURE );
}
}
if ( manageDSAit ) {
int err;
LDAPControl c;
LDAPControl *ctrls[2];
ctrls[0] = &c;
ctrls[1] = NULL;
c.ldctl_oid = LDAP_CONTROL_MANAGEDSAIT;
c.ldctl_value.bv_val = NULL;
c.ldctl_value.bv_len = 0;
c.ldctl_iscritical = manageDSAit > 1;
err = ldap_set_option( ld, LDAP_OPT_SERVER_CONTROLS, &ctrls );
if( err != LDAP_OPT_SUCCESS ) {
fprintf( stderr, "Could not set Manage DSA IT Control\n" );
if( c.ldctl_iscritical ) {
exit( EXIT_FAILURE );
}
}
}
rc = 0;
if ( fp == NULL ) {
for ( ; optind < argc; ++optind ) {
rc = dodelete( ld, argv[ optind ] );
}
} else {
while ((rc == 0 || contoper) && fgets(buf, sizeof(buf), fp) != NULL) {
buf[ strlen( buf ) - 1 ] = '\0'; /* remove trailing newline */
if ( *buf != '\0' ) {
rc = dodelete( ld, buf );
}
}
}
ldap_unbind( ld );
return( rc );
}
static int dodelete(
LDAP *ld,
char *dn)
{
int rc;
if ( verbose ) {
printf( "%sdeleting entry \"%s\"\n",
(not ? "!" : ""), dn );
}
if ( not ) {
rc = LDAP_SUCCESS;
} else {
/* If prune is on, remove a whole subtree. Delete the children of the
* DN recursively, then the DN requested.
*/
if ( prune ) deletechildren( ld, dn );
if (( rc = ldap_delete_s( ld, dn )) != LDAP_SUCCESS ) {
ldap_perror( ld, "ldap_delete" );
} else if ( verbose ) {
printf( "\tremoved\n" );
}
}
return( rc );
}
/*
* Delete all the children of an entry recursively until leaf nodes are reached.
*
*/
static int deletechildren( LDAP *ld,
char *dn )
{
LDAPMessage *res, *e;
int entries;
int rc;
int timeout = 30 * 10000;
ldap_set_option( ld, LDAP_OPT_TIMEOUT, &timeout );
if ( verbose ) printf ( "deleting children of: %s\n", dn );
/*
* Do a one level search at dn for children. For each, delete its children.
*/
if ( ldap_search_s( ld, dn, LDAP_SCOPE_ONELEVEL, NULL, NULL, 0, &res ) == -1 )
{
ldap_perror( ld, "ldap_search" );
ldap_get_option( ld, LDAP_OPT_ERROR_NUMBER, &rc );
return( rc );
}
entries = ldap_count_entries( ld, res );
if ( entries > 0 )
{
int i;
for (e = ldap_first_entry( ld, res ), i = 0; e != NULL;
e = ldap_next_entry( ld, e ), i++ )
{
if ( (rc = deletechildren( ld, ldap_get_dn( ld, e) )) == -1 )
{
ldap_perror( ld, "ldap_prune" );
return rc;
}
if ( verbose )
{
printf( "\tremoving %s\n", ldap_get_dn( ld, e ) );
}
if ( ( rc = ldap_delete_s( ld, ldap_get_dn( ld, e ) ) ) == -1 )
{
ldap_perror( ld, "ldap_delete" );
return rc;
}
else if ( verbose )
{
printf( "\t%s removed\n", ldap_get_dn( ld, e ) );
}
}
}
ldap_msgfree( res );
return rc;
}