Adding upstream version 2.4.57+dfsg.upstream/2.4.57+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 396 insertions, 0 deletions

diff --git a/servers/slapd/shell-backends/shellutil.c b/servers/slapd/shell-backends/shellutil.c
new file mode 100644
index 0000000..605114e
--- /dev/null
+++ b/servers/slapd/shell-backends/shellutil.c
@@ -0,0 +1,396 @@
+/* shellutil.c - common routines useful when building shell-based backends */
+/* $OpenLDAP$ */
+/* 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/stdarg.h>
+
+#include <pwd.h>
+
+#include <ac/ctype.h>
+#include <ac/string.h>
+
+#include <lber.h>
+#include <ldap.h>
+#include "shellutil.h"
+
+
+int	debugflg;
+char	*progname;
+
+static struct inputparams	ips[] = {
+    IP_TYPE_SUFFIX,	"suffix",
+    IP_TYPE_BASE,	"base",
+    IP_TYPE_SCOPE,	"scope",
+    IP_TYPE_ALIASDEREF,	"deref",
+    IP_TYPE_SIZELIMIT,	"sizelimit",
+    IP_TYPE_TIMELIMIT,	"timelimit",
+    IP_TYPE_FILTER,	"filter",
+    IP_TYPE_ATTRS,	"attrs",
+    IP_TYPE_ATTRSONLY,	"attrsonly",
+    0,			NULL
+};
+
+
+void
+write_result( FILE *fp, int code, char *matched, char *info )
+{
+    fprintf( fp, "RESULT\ncode: %d\n", code );
+    debug_printf( ">> RESULT\n" );
+    debug_printf( ">> code: %d\n", code );
+
+    if ( matched != NULL ) {
+	fprintf( fp, "matched: %s\n", matched );
+	debug_printf( ">> matched: %s\n", matched );
+    }
+
+    if ( info != NULL ) {
+	fprintf( fp, "info: %s\n", info );
+	debug_printf( ">> info: %s\n", info );
+    }
+}
+
+
+void
+write_entry( struct ldop *op, struct ldentry *entry, FILE *ofp )
+{
+    struct ldattr	**app;
+    char		**valp;
+
+    fprintf( ofp, "dn: %s\n", entry->lde_dn );
+    for ( app = entry->lde_attrs; *app != NULL; ++app ) {
+	if ( attr_requested( (*app)->lda_name, op )) {
+	    for ( valp = (*app)->lda_values; *valp != NULL; ++valp ) {
+		fprintf( ofp, "%s: %s\n", (*app)->lda_name, *valp );
+	    }
+	}
+    }
+    fputc( '\n', ofp );
+}
+
+
+int
+test_filter( struct ldop *op, struct ldentry *entry )
+{
+    return ((random() & 0x07 ) == 0x07) /* XXX random for now */
+		? LDAP_COMPARE_TRUE : LDAP_COMPARE_FALSE;
+}
+
+
+int
+attr_requested( char *name, struct ldop *op )
+{
+    char	**ap;
+
+    if ( op->ldop_srch.ldsp_attrs == NULL ) {	/* special case */
+	return( 1 );
+    }
+
+    for ( ap = op->ldop_srch.ldsp_attrs; *ap != NULL; ++ap ) {
+	if ( strcasecmp( name, *ap ) == 0 ) {
+	    return( 1 );
+	}
+    }
+
+    return( 0 );
+}
+
+
+void
+free_entry( struct ldentry *entry )
+{
+    struct ldattr	**app;
+    char		**valp;
+
+    free( entry->lde_dn );
+
+    for ( app = entry->lde_attrs; *app != NULL; ++app ) {
+	for ( valp = (*app)->lda_values; *valp != NULL; ++valp ) {
+	    free( *valp );
+	}
+	free( (*app)->lda_values );
+	free( (*app)->lda_name );
+    }
+
+    free( entry->lde_attrs );
+    free( entry );
+}
+
+
+int
+parse_input( FILE *ifp, FILE *ofp, struct ldop *op )
+{
+    char		*p, *args, line[ MAXLINELEN + 1 ];
+    struct inputparams	*ip;
+
+    if ( fgets( line, MAXLINELEN, ifp ) == NULL ) {
+	write_result( ofp, LDAP_OTHER, NULL, "Empty Input" );
+    }
+    line[ strlen( line ) - 1 ] = '\0';
+    if ( strncasecmp( line, STR_OP_SEARCH, sizeof( STR_OP_SEARCH ) - 1 )
+	    != 0 ) {
+	write_result( ofp, LDAP_UNWILLING_TO_PERFORM, NULL,
+		"Operation Not Supported" );
+	return( -1 );
+    }
+
+    op->ldop_op = LDOP_SEARCH;
+
+    while ( fgets( line, MAXLINELEN, ifp ) != NULL ) {
+	line[ strlen( line ) - 1 ] = '\0';
+	debug_printf( "<< %s\n", line );
+
+	args = line;
+	if (( ip = find_input_tag( &args )) == NULL ) {
+	    debug_printf( "ignoring %s\n", line );
+	    continue;
+	}
+
+	switch( ip->ip_type ) {
+	case IP_TYPE_SUFFIX:
+	    add_strval( &op->ldop_suffixes, args );
+	    break;
+	case IP_TYPE_BASE:
+	    op->ldop_dn = estrdup( args );
+	    break;
+	case IP_TYPE_SCOPE:
+	    if ( lutil_atoi( &op->ldop_srch.ldsp_scope, args ) != 0 ||
+		( op->ldop_srch.ldsp_scope != LDAP_SCOPE_BASE &&
+		    op->ldop_srch.ldsp_scope != LDAP_SCOPE_ONELEVEL &&
+		    op->ldop_srch.ldsp_scope != LDAP_SCOPE_SUBTREE ) )
+	    {
+		write_result( ofp, LDAP_OTHER, NULL, "Bad scope" );
+		return( -1 );
+	    }
+	    break;
+	case IP_TYPE_ALIASDEREF:
+	    if ( lutil_atoi( &op->ldop_srch.ldsp_aliasderef, args ) != 0 ) {
+		write_result( ofp, LDAP_OTHER, NULL, "Bad alias deref" );
+		return( -1 );
+	    }
+	    break;
+	case IP_TYPE_SIZELIMIT:
+	    if ( lutil_atoi( &op->ldop_srch.ldsp_sizelimit, args ) != 0 ) {
+		write_result( ofp, LDAP_OTHER, NULL, "Bad size limit" );
+		return( -1 );
+	    }
+	    break;
+	case IP_TYPE_TIMELIMIT:
+	    if ( lutil_atoi( &op->ldop_srch.ldsp_timelimit, args ) != 0 ) {
+		write_result( ofp, LDAP_OTHER, NULL, "Bad time limit" );
+		return( -1 );
+	    }
+	    break;
+	case IP_TYPE_FILTER:
+	    op->ldop_srch.ldsp_filter = estrdup( args );
+	    break;
+	case IP_TYPE_ATTRSONLY:
+	    op->ldop_srch.ldsp_attrsonly = ( *args != '0' );
+	    break;
+	case IP_TYPE_ATTRS:
+	    if ( strcmp( args, "all" ) == 0 ) {
+		op->ldop_srch.ldsp_attrs = NULL;
+	    } else {
+		while ( args != NULL ) {
+		    if (( p = strchr( args, ' ' )) != NULL ) {
+			*p++ = '\0';
+			while ( isspace( (unsigned char) *p )) {
+			    ++p;
+			}
+		    }
+		    add_strval( &op->ldop_srch.ldsp_attrs, args );
+		    args = p;
+		}
+	    }
+	    break;
+	}
+    }
+
+    if ( op->ldop_suffixes == NULL || op->ldop_dn == NULL ||
+		op->ldop_srch.ldsp_filter == NULL ) {
+	write_result( ofp, LDAP_OTHER, NULL,
+		"Required suffix:, base:, or filter: missing" );
+	return( -1 );
+    }
+
+    return( 0 );
+}
+
+
+struct inputparams *
+find_input_tag( char **linep )	/* linep is set to start of args */
+{
+    int		i;
+    char	*p;
+
+    if (( p = strchr( *linep, ':' )) == NULL || p == *linep ) {
+	return( NULL );
+    }
+
+    for ( i = 0; ips[ i ].ip_type != 0; ++i ) {
+	if ( strncasecmp( *linep, ips[ i ].ip_tag, p - *linep ) == 0 ) {
+	    while ( isspace( (unsigned char) *(++p) )) {
+		;
+	    }
+	    *linep = p;
+	    return( &ips[ i ] );
+	}
+    }
+
+    return( NULL );
+}
+
+
+void
+add_strval( char ***sp, char *val )
+{
+    int		i;
+    char	**vallist;
+
+    vallist = *sp;
+
+    if ( vallist == NULL ) {
+	i = 0;
+    } else {
+	for ( i = 0; vallist[ i ] != NULL; ++i ) {
+	    ;
+	}
+    }
+
+    vallist = (char **)erealloc( vallist, ( i + 2 ) * sizeof( char * ));
+    vallist[ i ] = estrdup( val );
+    vallist[ ++i ] = NULL;
+    *sp = vallist;
+}
+
+
+char *
+estrdup( char *s )
+{
+    char	*p;
+
+    if (( p = strdup( s )) == NULL ) {
+	debug_printf( "strdup failed\n" );
+	exit( EXIT_FAILURE );
+    }
+
+    return( p );
+}
+
+
+void *
+erealloc( void *s, unsigned size )
+{
+    char	*p;
+
+    if ( s == NULL ) {
+	p = malloc( size );
+    } else {
+	p = realloc( s, size );
+    }
+
+    if ( p == NULL ) {
+	debug_printf( "realloc( p, %d ) failed\n", size );
+	exit( EXIT_FAILURE );
+    }
+
+    return( p );
+}
+
+
+char *
+ecalloc( unsigned nelem, unsigned elsize )
+{
+    char	*p;
+
+    if (( p = calloc( nelem, elsize )) == NULL ) {
+	debug_printf( "calloc( %d, %d ) failed\n", nelem, elsize );
+	exit( EXIT_FAILURE );
+    }
+
+    return( p );
+}
+
+
+#ifdef LDAP_DEBUG
+
+/* VARARGS */
+void
+debug_printf( const char *fmt, ... )
+{
+    va_list	ap;
+
+	if ( debugflg ) {
+		va_start( ap, fmt );
+		fprintf( stderr, "%s: ", progname );
+		vfprintf( stderr, fmt, ap );
+		va_end( ap );
+	}
+}
+
+
+void
+dump_ldop( struct ldop *op )
+{
+    if ( !debugflg ) {
+	return;
+    }
+
+    debug_printf( "SEARCH operation\n" );
+    if ( op->ldop_suffixes == NULL ) {
+	debug_printf( "    suffix: NONE\n" );
+    } else {
+	int	i;
+	for ( i = 0; op->ldop_suffixes[ i ] != NULL; ++i ) {
+	    debug_printf( "    suffix: <%s>\n", op->ldop_suffixes[ i ] );
+	}
+    }
+    debug_printf( "        dn: <%s>\n", op->ldop_dn );
+    debug_printf( "     scope: <%d>\n", op->ldop_srch.ldsp_scope );
+    debug_printf( "    filter: <%s>\n", op->ldop_srch.ldsp_filter );
+    debug_printf( "aliasderef: <%d>\n", op->ldop_srch.ldsp_aliasderef );
+    debug_printf( " sizelimit: <%d>\n", op->ldop_srch.ldsp_sizelimit );
+    debug_printf( " timelimit: <%d>\n", op->ldop_srch.ldsp_timelimit );
+    debug_printf( " attrsonly: <%d>\n", op->ldop_srch.ldsp_attrsonly );
+    if ( op->ldop_srch.ldsp_attrs == NULL ) {
+	debug_printf( "     attrs: ALL\n" );
+    } else {
+	int	i;
+
+	for ( i = 0; op->ldop_srch.ldsp_attrs[ i ] != NULL; ++i ) {
+	    debug_printf( "  attrs: <%s>\n", op->ldop_srch.ldsp_attrs[ i ] );
+	}
+    }
+}
+#endif /* LDAP_DEBUG */