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