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-rw-r--r--servers/slapd/shell-backends/passwd-shell.c207
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diff --git a/servers/slapd/shell-backends/passwd-shell.c b/servers/slapd/shell-backends/passwd-shell.c
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+/* passwd-shell.c - passwd(5) shell-based backend for slapd(8) */
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2021 The OpenLDAP Foundation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+/* Portions Copyright (c) 1995 Regents of the University of Michigan.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that this notice is preserved and that due credit is given
+ * to the University of Michigan at Ann Arbor. The name of the University
+ * may not be used to endorse or promote products derived from this
+ * software without specific prior written permission. This software
+ * is provided ``as is'' without express or implied warranty.
+ */
+/* ACKNOWLEDGEMENTS:
+ * This work was originally developed by the University of Michigan
+ * (as part of U-MICH LDAP).
+ */
+
+
+#include "portable.h"
+
+#include <stdio.h>
+
+#include <ac/stdlib.h>
+
+#include <ac/string.h>
+#include <ac/unistd.h>
+
+#include <pwd.h>
+
+#include <lber.h>
+#include <ldap.h>
+
+#include "shellutil.h"
+
+static void pwdfile_search LDAP_P(( struct ldop *op, FILE *ofp ));
+static struct ldentry *pw2entry LDAP_P(( struct ldop *op, struct passwd *pw ));
+
+static char tmpbuf[ MAXLINELEN * 2 ];
+
+
+int
+main( int argc, char **argv )
+{
+ int c, errflg;
+ struct ldop op;
+
+ if (( progname = strrchr( argv[ 0 ], '/' )) == NULL ) {
+ progname = estrdup( argv[ 0 ] );
+ } else {
+ progname = estrdup( progname + 1 );
+ }
+
+ errflg = debugflg = 0;
+
+ while (( c = getopt( argc, argv, "d" )) != EOF ) {
+ switch( c ) {
+ case 'd':
+#ifdef LDAP_DEBUG
+ ++debugflg;
+#else /* LDAP_DEBUG */
+ fprintf( stderr, "%s: compile with -DLDAP_DEBUG for debugging\n",
+ progname );
+#endif /* LDAP_DEBUG */
+ break;
+ default:
+ ++errflg;
+ }
+ }
+
+ if ( errflg || optind < argc ) {
+ fprintf( stderr, "usage: %s [-d]\n", progname );
+ exit( EXIT_FAILURE );
+ }
+
+ debug_printf( "started\n" );
+
+ (void) memset( (char *)&op, '\0', sizeof( op ));
+
+ if ( parse_input( stdin, stdout, &op ) < 0 ) {
+ exit( EXIT_SUCCESS );
+ }
+
+ if ( op.ldop_op != LDOP_SEARCH ) {
+ write_result( stdout, LDAP_UNWILLING_TO_PERFORM, NULL,
+ "Command Not Implemented" );
+ exit( EXIT_SUCCESS );
+ }
+
+#ifdef LDAP_DEBUG
+ dump_ldop( &op );
+#endif /* LDAP_DEBUG */
+
+ pwdfile_search( &op, stdout );
+
+ exit( EXIT_SUCCESS );
+}
+
+
+static void
+pwdfile_search( struct ldop *op, FILE *ofp )
+{
+ struct passwd *pw;
+ struct ldentry *entry;
+ int oneentry;
+
+ oneentry = ( strchr( op->ldop_dn, '@' ) != NULL );
+
+ for ( pw = getpwent(); pw != NULL; pw = getpwent()) {
+ if (( entry = pw2entry( op, pw )) != NULL ) {
+ if ( oneentry ) {
+ if ( strcasecmp( op->ldop_dn, entry->lde_dn ) == 0 ) {
+ write_entry( op, entry, ofp );
+ break;
+ }
+ } else if ( test_filter( op, entry ) == LDAP_COMPARE_TRUE ) {
+ write_entry( op, entry, ofp );
+ }
+ free_entry( entry );
+ }
+ }
+ endpwent();
+
+ write_result( ofp, LDAP_SUCCESS, NULL, NULL );
+}
+
+
+static struct ldentry *
+pw2entry( struct ldop *op, struct passwd *pw )
+{
+ struct ldentry *entry;
+ struct ldattr *attr;
+ int i;
+
+ /*
+ * construct the DN from pw_name
+ */
+ if ( strchr( op->ldop_suffixes[ 0 ], '=' ) != NULL ) {
+ /*
+ * X.500 style DN
+ */
+ i = snprintf( tmpbuf, sizeof( tmpbuf ), "cn=%s, %s", pw->pw_name, op->ldop_suffixes[ 0 ] );
+ } else {
+ /*
+ * RFC-822 style DN
+ */
+ i = snprintf( tmpbuf, sizeof( tmpbuf ), "%s@%s", pw->pw_name, op->ldop_suffixes[ 0 ] );
+ }
+
+ if ( i < 0 || i >= sizeof( tmpbuf ) ) {
+ return NULL;
+ }
+
+ entry = (struct ldentry *) ecalloc( 1, sizeof( struct ldentry ));
+ entry->lde_dn = estrdup( tmpbuf );
+
+ /*
+ * for now, we simply derive the LDAP attribute values as follows:
+ * objectClass = person
+ * uid = pw_name
+ * sn = pw_name
+ * cn = pw_name
+ * cn = pw_gecos (second common name)
+ */
+ entry->lde_attrs = (struct ldattr **)ecalloc( 5, sizeof( struct ldattr * ));
+ i = 0;
+ attr = (struct ldattr *)ecalloc( 1, sizeof( struct ldattr ));
+ attr->lda_name = estrdup( "objectClass" );
+ attr->lda_values = (char **)ecalloc( 2, sizeof( char * ));
+ attr->lda_values[ 0 ] = estrdup( "person" );
+ entry->lde_attrs[ i++ ] = attr;
+
+ attr = (struct ldattr *)ecalloc( 1, sizeof( struct ldattr ));
+ attr->lda_name = estrdup( "uid" );
+ attr->lda_values = (char **)ecalloc( 2, sizeof( char * ));
+ attr->lda_values[ 0 ] = estrdup( pw->pw_name );
+ entry->lde_attrs[ i++ ] = attr;
+
+ attr = (struct ldattr *)ecalloc( 1, sizeof( struct ldattr ));
+ attr->lda_name = estrdup( "sn" );
+ attr->lda_values = (char **)ecalloc( 2, sizeof( char * ));
+ attr->lda_values[ 0 ] = estrdup( pw->pw_name );
+ entry->lde_attrs[ i++ ] = attr;
+
+ attr = (struct ldattr *)ecalloc( 1, sizeof( struct ldattr ));
+ attr->lda_name = estrdup( "cn" );
+ attr->lda_values = (char **)ecalloc( 3, sizeof( char * ));
+ attr->lda_values[ 0 ] = estrdup( pw->pw_name );
+ if ( pw->pw_gecos != NULL && *pw->pw_gecos != '\0' ) {
+ attr->lda_values[ 1 ] = estrdup( pw->pw_gecos );
+ }
+ entry->lde_attrs[ i++ ] = attr;
+
+ return( entry );
+}