openldap/clients/tools/ldapmodrdn.c

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/* ldapmodrdn.c - generic program to modify an entry's RDN using LDAP */
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#include "portable.h"
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#include <stdio.h>
#include <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>
#include <ac/unistd.h>
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#include <lber.h>
#include <ldap.h>
static char *binddn = NULL;
static char *passwd = NULL;
static char *base = NULL;
static char *ldaphost = NULL;
static int ldapport = 0;
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static int not, verbose, contoper;
static LDAP *ld;
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#define safe_realloc( ptr, size ) ( ptr == NULL ? malloc( size ) : \
realloc( ptr, size ))
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static int domodrdn LDAP_P((
LDAP *ld,
char *dn,
char *rdn,
int remove)); /* flag: remove old RDN */
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int
main(int argc, char **argv)
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{
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char *usage = "usage: %s [-nvkWc] [-d debug-level] [-h ldaphost] [-P version] [-p ldapport] [-D binddn] [-w passwd] [ -f file | < entryfile | dn newrdn ]\n";
char *myname,*infile, *entrydn, *rdn, buf[ 4096 ];
FILE *fp;
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int rc, i, remove, havedn, authmethod, version, want_bindpw, debug;
infile = NULL;
not = contoper = verbose = remove = want_bindpw = debug = 0;
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authmethod = LDAP_AUTH_SIMPLE;
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version = -1;
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myname = (myname = strrchr(argv[0], '/')) == NULL ? argv[0] : ++myname;
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while (( i = getopt( argc, argv, "WkKcnvrh:P:p:D:w:d:f:" )) != EOF ) {
switch( i ) {
case 'k': /* kerberos bind */
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#ifdef HAVE_KERBEROS
authmethod = LDAP_AUTH_KRBV4;
#else
fprintf (stderr, "%s was not compiled with Kerberos support\n", argv[0]);
#endif
break;
case 'K': /* kerberos bind, part one only */
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#ifdef HAVE_KERBEROS
authmethod = LDAP_AUTH_KRBV41;
#else
fprintf (stderr, "%s was not compiled with Kerberos support\n", argv[0]);
#endif
break;
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case 'c': /* continuous operation mode */
++contoper;
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break;
case 'h': /* ldap host */
ldaphost = strdup( optarg );
break;
case 'D': /* bind DN */
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binddn = strdup( optarg );
break;
case 'w': /* password */
passwd = strdup( optarg );
break;
case 'd':
debug |= atoi( optarg );
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break;
case 'f': /* read from file */
infile = strdup( optarg );
break;
case 'p':
ldapport = atoi( optarg );
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break;
case 'n': /* print adds, don't actually do them */
++not;
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break;
case 'v': /* verbose mode */
verbose++;
break;
case 'r': /* remove old RDN */
remove++;
break;
case 'W':
want_bindpw++;
break;
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case 'P':
switch(optarg[0])
{
case '2':
version = LDAP_VERSION2;
break;
case '3':
version = LDAP_VERSION3;
break;
}
break;
default:
fprintf( stderr, usage, argv[0] );
exit( 1 );
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}
}
havedn = 0;
if (argc - optind == 2) {
if (( rdn = strdup( argv[argc - 1] )) == NULL ) {
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perror( "strdup" );
exit( 1 );
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}
if (( entrydn = strdup( argv[argc - 2] )) == NULL ) {
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perror( "strdup" );
exit( 1 );
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}
++havedn;
} else if ( argc - optind != 0 ) {
fprintf( stderr, "%s: invalid number of arguments, only two allowed\n", myname);
fprintf( stderr, usage, argv[0] );
exit( 1 );
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}
if ( infile != NULL ) {
if (( fp = fopen( infile, "r" )) == NULL ) {
perror( infile );
exit( 1 );
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}
} else {
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fp = stdin;
}
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if ( debug ) {
lber_set_option( NULL, LBER_OPT_DEBUG_LEVEL, &debug );
ldap_set_option( NULL, LDAP_OPT_DEBUG_LEVEL, &debug );
}
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#ifdef SIGPIPE
(void) SIGNAL( SIGPIPE, SIG_IGN );
#endif
if (( ld = ldap_init( ldaphost, ldapport )) == NULL ) {
perror( "ldap_init" );
exit( 1 );
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}
/* this seems prudent */
{
int deref = LDAP_DEREF_NEVER;
ldap_set_option( ld, LDAP_OPT_DEREF, &deref);
}
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if (want_bindpw)
passwd = getpass("Enter LDAP Password: ");
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if( version != -1) {
ldap_set_option( ld, LDAP_OPT_PROTOCOL_VERSION, &version );
}
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if ( ldap_bind_s( ld, binddn, passwd, authmethod ) != LDAP_SUCCESS ) {
ldap_perror( ld, "ldap_bind" );
exit( 1 );
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}
rc = 0;
if (havedn)
rc = domodrdn(ld, entrydn, rdn, remove);
else while ((rc == 0 || contoper) && fgets(buf, sizeof(buf), fp) != NULL) {
if ( *buf != '\0' ) { /* blank lines optional, skip */
buf[ strlen( buf ) - 1 ] = '\0'; /* remove nl */
if ( havedn ) { /* have DN, get RDN */
if (( rdn = strdup( buf )) == NULL ) {
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perror( "strdup" );
exit( 1 );
}
rc = domodrdn(ld, entrydn, rdn, remove);
havedn = 0;
} else if ( !havedn ) { /* don't have DN yet */
if (( entrydn = strdup( buf )) == NULL ) {
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perror( "strdup" );
exit( 1 );
}
++havedn;
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}
}
}
ldap_unbind( ld );
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exit( rc );
/* UNREACHABLE */
return(0);
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}
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static int domodrdn(
LDAP *ld,
char *dn,
char *rdn,
int remove) /* flag: remove old RDN */
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{
int i;
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if ( verbose ) {
printf( "modrdn %s:\n\t%s\n", dn, rdn );
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if (remove)
printf("removing old RDN\n");
else
printf("keeping old RDN\n");
}
if ( !not ) {
i = ldap_modrdn2_s( ld, dn, rdn, remove );
if ( i != LDAP_SUCCESS ) {
ldap_perror( ld, "ldap_modrdn2_s" );
} else if ( verbose ) {
printf( "modrdn complete\n" );
}
} else {
i = LDAP_SUCCESS;
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}
return( i );
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}