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4e51bba217
================ Written by Hallvard B. Furuseth and placed into the public domain. This software is not subject to any license of the University of Oslo. ================ A surrogate parent is supposed to keep back-shell children from deadlocking due to resources locked by a threading parent. Implementation note: The surrogate parent closes all unused file descriptors, so it logs errors to stderr instead of via Debug() and uses relloc() instead of ch_realloc(). Also close a file descriptor leak if fork() fails in fork.c. Hallvard B. Furuseth <h.b.furuseth@usit.uio.no>, May 2002.
156 lines
3.8 KiB
C
156 lines
3.8 KiB
C
/* config.c - shell backend configuration file routine */
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/* $OpenLDAP$ */
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/*
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* Copyright 1998-2002 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/string.h>
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#include <ac/socket.h>
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#include "slap.h"
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#include "shell.h"
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#ifdef SHELL_SURROGATE_PARENT
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static struct berval make_cmd_info(
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char **args
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)
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{
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struct berval ret = { 0, 0 };
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int i;
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ber_len_t offset;
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for( i = 0; args[i] != NULL; i++ )
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ret.bv_len += strlen( args[i] ) + 1;
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ret.bv_val = ch_malloc( ret.bv_len );
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offset = 0;
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for( i = 0; args[i] != NULL; i++ ) {
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strcpy( ret.bv_val + offset, args[i] );
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offset += strlen( args[i] ) + 1;
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}
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return ret;
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}
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#endif /* SHELL_SURROGATE_PARENT */
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int
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shell_back_db_config(
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BackendDB *be,
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const char *fname,
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int lineno,
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int argc,
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char **argv
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)
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{
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struct shellinfo *si = (struct shellinfo *) be->be_private;
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if ( si == NULL ) {
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fprintf( stderr, "%s: line %d: shell backend info is null!\n",
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fname, lineno );
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return( 1 );
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}
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/* command + args to exec for binds */
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if ( strcasecmp( argv[0], "bind" ) == 0 ) {
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if ( argc < 2 ) {
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fprintf( stderr,
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"%s: line %d: missing executable in \"bind <executable>\" line\n",
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fname, lineno );
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return( 1 );
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}
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si->si_bind = MAKE_CMD_INFO( &argv[1] );
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/* command + args to exec for unbinds */
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} else if ( strcasecmp( argv[0], "unbind" ) == 0 ) {
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if ( argc < 2 ) {
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fprintf( stderr,
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"%s: line %d: missing executable in \"unbind <executable>\" line\n",
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fname, lineno );
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return( 1 );
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}
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si->si_unbind = MAKE_CMD_INFO( &argv[1] );
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/* command + args to exec for searches */
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} else if ( strcasecmp( argv[0], "search" ) == 0 ) {
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if ( argc < 2 ) {
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fprintf( stderr,
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"%s: line %d: missing executable in \"search <executable>\" line\n",
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fname, lineno );
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return( 1 );
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}
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si->si_search = MAKE_CMD_INFO( &argv[1] );
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/* command + args to exec for compares */
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} else if ( strcasecmp( argv[0], "compare" ) == 0 ) {
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if ( argc < 2 ) {
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fprintf( stderr,
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"%s: line %d: missing executable in \"compare <executable>\" line\n",
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fname, lineno );
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return( 1 );
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}
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si->si_compare = MAKE_CMD_INFO( &argv[1] );
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/* command + args to exec for modifies */
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} else if ( strcasecmp( argv[0], "modify" ) == 0 ) {
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if ( argc < 2 ) {
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fprintf( stderr,
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"%s: line %d: missing executable in \"modify <executable>\" line\n",
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fname, lineno );
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return( 1 );
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}
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si->si_modify = MAKE_CMD_INFO( &argv[1] );
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/* command + args to exec for modrdn */
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} else if ( strcasecmp( argv[0], "modrdn" ) == 0 ) {
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if ( argc < 2 ) {
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fprintf( stderr,
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"%s: line %d: missing executable in \"modrdn <executable>\" line\n",
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fname, lineno );
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return( 1 );
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}
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si->si_modrdn = MAKE_CMD_INFO( &argv[1] );
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/* command + args to exec for add */
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} else if ( strcasecmp( argv[0], "add" ) == 0 ) {
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if ( argc < 2 ) {
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fprintf( stderr,
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"%s: line %d: missing executable in \"add <executable>\" line\n",
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fname, lineno );
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return( 1 );
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}
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si->si_add = MAKE_CMD_INFO( &argv[1] );
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/* command + args to exec for delete */
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} else if ( strcasecmp( argv[0], "delete" ) == 0 ) {
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if ( argc < 2 ) {
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fprintf( stderr,
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"%s: line %d: missing executable in \"delete <executable>\" line\n",
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fname, lineno );
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return( 1 );
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}
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si->si_delete = MAKE_CMD_INFO( &argv[1] );
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/* command + args to exec for abandon */
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} else if ( strcasecmp( argv[0], "abandon" ) == 0 ) {
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if ( argc < 2 ) {
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fprintf( stderr,
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"%s: line %d: missing executable in \"abandon <executable>\" line\n",
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fname, lineno );
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return( 1 );
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}
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si->si_abandon = MAKE_CMD_INFO( &argv[1] );
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/* anything else */
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} else {
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fprintf( stderr,
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"%s: line %d: unknown directive \"%s\" in shell database definition (ignored)\n",
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fname, lineno, argv[0] );
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}
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return 0;
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}
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