openldap/libraries/librewrite/rewrite.c

145 lines
3.2 KiB
C

/******************************************************************************
*
* Copyright (C) 2000 Pierangelo Masarati, <ando@sys-net.it>
* All rights reserved.
*
* Permission is granted to anyone to use this software for any purpose
* on any computer system, and to alter it and redistribute it, subject
* to the following restrictions:
*
* 1. The author is not responsible for the consequences of use of this
* software, no matter how awful, even if they arise from flaws in it.
*
* 2. The origin of this software must not be misrepresented, either by
* explicit claim or by omission. Since few users ever read sources,
* credits should appear in the documentation.
*
* 3. Altered versions must be plainly marked as such, and must not be
* misrepresented as being the original software. Since few users
* ever read sources, credits should appear in the documentation.
*
* 4. This notice may not be removed or altered.
*
******************************************************************************/
#include <portable.h>
#include <ac/stdlib.h>
#include <ac/string.h>
#include <ac/syslog.h>
#include <ac/regex.h>
#include <ac/socket.h>
#include <ac/unistd.h>
#include <ac/ctype.h>
#include <ac/string.h>
#include <stdio.h>
#include <rewrite.h>
int ldap_debug;
int ldap_syslog;
int ldap_syslog_level;
char *
apply(
FILE *fin,
const char *rewriteContext,
const char *arg
)
{
struct rewrite_info *info;
char *string, *sep, *result = NULL;
int rc;
void *cookie = &info;
info = rewrite_info_init(REWRITE_MODE_ERR);
if ( rewrite_read( fin, info ) != 0 ) {
exit( EXIT_FAILURE );
}
rewrite_param_set( info, "prog", "rewrite" );
rewrite_session_init( info, cookie );
string = strdup( arg );
for ( sep = strchr( rewriteContext, ',' );
rewriteContext != NULL;
rewriteContext = sep,
sep ? sep = strchr( rewriteContext, ',' ) : NULL ) {
if ( sep != NULL ) {
sep[ 0 ] = '\0';
sep++;
}
/* rc = rewrite( info, rewriteContext, string, &result ); */
rc = rewrite_session( info, rewriteContext, string,
cookie, &result );
fprintf( stdout, "%s -> %s\n", string,
( result ? result : "unwilling to perform" ) );
if ( result == NULL ) {
break;
}
free( string );
string = result;
}
rewrite_session_delete( info, cookie );
return result;
}
int
main( int argc, char *argv[] )
{
FILE *fin = NULL;
char *rewriteContext = REWRITE_DEFAULT_CONTEXT;
while ( 1 ) {
int opt = getopt( argc, argv, "f:hr:" );
if ( opt == EOF ) {
break;
}
switch ( opt ) {
case 'f':
fin = fopen( optarg, "r" );
if ( fin == NULL ) {
fprintf( stderr, "unable to open file '%s'\n",
optarg );
exit( EXIT_FAILURE );
}
break;
case 'h':
fprintf( stderr,
"usage: rewrite [options] string\n"
"\n"
"\t\t-f file\t\tconfiguration file\n"
"\t\t-r rule[s]\tlist of comma-separated rules\n"
"\n"
"\tsyntax:\n"
"\t\trewriteEngine\t{on|off}\n"
"\t\trewriteContext\tcontextName [alias aliasedContextName]\n"
"\t\trewriteRule\tpattern subst [flags]\n"
"\n"
);
exit( EXIT_SUCCESS );
case 'r':
rewriteContext = strdup( optarg );
break;
}
}
if ( optind >= argc ) {
return -1;
}
apply( ( fin ? fin : stdin ), rewriteContext, argv[ optind ] );
return 0;
}