openldap/clients/tools/ldapwhoami.c

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/* $OpenLDAP$ */
/*
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* Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
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* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
#include "portable.h"
#include <stdio.h>
#include <ac/stdlib.h>
#include <ac/ctype.h>
#include <ac/socket.h>
#include <ac/string.h>
#include <ac/time.h>
#include <ac/unistd.h>
#include <ldap.h>
#include "lutil.h"
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#include "lutil_ldap.h"
#include "ldap_defaults.h"
#include "common.h"
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void
usage( void )
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{
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fprintf( stderr, _("Issue LDAP Who am I? operation to request user's authzid\n\n"));
fprintf( stderr, _("usage: %s [options]\n"), prog);
tool_common_usage();
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exit( EXIT_FAILURE );
}
const char options[] = ""
"Cd:D:e:h:H:InO:p:QR:U:vVw:WxX:y:Y:Z";
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int
handle_private_option( int i )
{
switch ( i ) {
#if 0
char *control, *cvalue;
int crit;
case 'E': /* whoami controls */
if( protocol == LDAP_VERSION2 ) {
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fprintf( stderr, _("%s: -E incompatible with LDAPv%d\n"),
prog, protocol );
exit( EXIT_FAILURE );
}
/* should be extended to support comma separated list of
* [!]key[=value] parameters, e.g. -E !foo,bar=567
*/
crit = 0;
cvalue = NULL;
if( optarg[0] == '!' ) {
crit = 1;
optarg++;
}
control = strdup( optarg );
if ( (cvalue = strchr( control, '=' )) != NULL ) {
*cvalue++ = '\0';
}
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fprintf( stderr, _("Invalid whoami control name: %s\n"), control );
usage();
#endif
default:
return 0;
}
return 1;
}
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int
main( int argc, char *argv[] )
{
int rc;
char *user = NULL;
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LDAP *ld = NULL;
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char *matcheddn = NULL, *text = NULL, **refs = NULL;
char *retoid = NULL;
struct berval *retdata = NULL;
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tool_init();
prog = lutil_progname( "ldapwhoami", argc, argv );
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/* LDAPv3 only */
protocol = LDAP_VERSION3;
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tool_args( argc, argv );
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if( argc - optind > 1 ) {
usage();
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} else if ( argc - optind == 1 ) {
user = strdup( argv[optind] );
} else {
user = NULL;
}
Patch: 'ldapmodify -y file' reads password from file (ITS#2031) ================ Written by Hallvard B. Furuseth and placed into the public domain. This software is not subject to any license of the University of Oslo. ================ Adapted by Kurt Zeilenga for inclusion in OpenLDAP. My comments are marked with enclosed with square brackets (e.g. [Kurt's comment] below. ================ If I run ldapmodify & co from a script, I don't want to use '-W password' because the password shows up in the output of 'ps' for everyone, and I can't pipe the password to 'ldapmodify -w' because -w uses getpassphrase() which reads from the tty instead of stdin. So I added '-y file' which reads the password from file. The programs exit if the file cannot be read. [Complete contents of file is used as password. Use: echo -n "secret" > password to create a file with "secret" as the password. The -n avoids adding a newline (which would invalidate the password). Note that echo is a builtin and hence its arguments are not visible to 'ps'.] I changed ldapmodify, ldapmodrdn, ldapdelete, ldapsearch, ldapcompare. I did not bother to change ldappasswd and ldapwhoami, because they prompt for many passwords. [I fixed up ldapwhoami.] Rerun autoconf after applying this patch. [Done.] Note: I do not know if Windows NT has fstat(), so I set HAVE_FSTAT to undef in portable.nt. (fstat() is used to warn if the file is publicly readable or writeable.) [I used fstat() to set the buffer size to read.] [Note: using the contents of a file extends the tools to support passwords which could not normally be provided using getpassphrase() or via the command line.] Hallvard B. Furuseth <h.b.furuseth@usit.uio.no>, Aug 2002. [Kurt D. Zeilenga <kurt@openldap.org>, Aug 2002.]
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if ( pw_file || want_bindpw ) {
if ( pw_file ) {
rc = lutil_get_filed_password( pw_file, &passwd );
if( rc ) return EXIT_FAILURE;
} else {
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passwd.bv_val = getpassphrase( _("Enter LDAP Password: ") );
Patch: 'ldapmodify -y file' reads password from file (ITS#2031) ================ Written by Hallvard B. Furuseth and placed into the public domain. This software is not subject to any license of the University of Oslo. ================ Adapted by Kurt Zeilenga for inclusion in OpenLDAP. My comments are marked with enclosed with square brackets (e.g. [Kurt's comment] below. ================ If I run ldapmodify & co from a script, I don't want to use '-W password' because the password shows up in the output of 'ps' for everyone, and I can't pipe the password to 'ldapmodify -w' because -w uses getpassphrase() which reads from the tty instead of stdin. So I added '-y file' which reads the password from file. The programs exit if the file cannot be read. [Complete contents of file is used as password. Use: echo -n "secret" > password to create a file with "secret" as the password. The -n avoids adding a newline (which would invalidate the password). Note that echo is a builtin and hence its arguments are not visible to 'ps'.] I changed ldapmodify, ldapmodrdn, ldapdelete, ldapsearch, ldapcompare. I did not bother to change ldappasswd and ldapwhoami, because they prompt for many passwords. [I fixed up ldapwhoami.] Rerun autoconf after applying this patch. [Done.] Note: I do not know if Windows NT has fstat(), so I set HAVE_FSTAT to undef in portable.nt. (fstat() is used to warn if the file is publicly readable or writeable.) [I used fstat() to set the buffer size to read.] [Note: using the contents of a file extends the tools to support passwords which could not normally be provided using getpassphrase() or via the command line.] Hallvard B. Furuseth <h.b.furuseth@usit.uio.no>, Aug 2002. [Kurt D. Zeilenga <kurt@openldap.org>, Aug 2002.]
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passwd.bv_len = passwd.bv_val ? strlen( passwd.bv_val ) : 0;
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}
}
ld = tool_conn_setup( 0, 0 );
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tool_bind( ld );
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if ( not ) {
rc = LDAP_SUCCESS;
goto skip;
}
if ( assertion || authzid || manageDSAit || noop ) {
tool_server_controls( ld, NULL, 0 );
}
rc = ldap_whoami_s( ld, &retdata, NULL, NULL );
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if( retdata != NULL ) {
if( retdata->bv_len == 0 ) {
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printf(_("anonymous\n") );
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} else {
printf("%s\n", retdata->bv_val );
}
}
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if( verbose || ( rc != LDAP_SUCCESS ) || matcheddn || text || refs ) {
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printf( _("Result: %s (%d)\n"), ldap_err2string( rc ), rc );
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if( text && *text ) {
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printf( _("Additional info: %s\n"), text );
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}
if( matcheddn && *matcheddn ) {
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printf( _("Matched DN: %s\n"), matcheddn );
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}
if( refs ) {
int i;
for( i=0; refs[i]; i++ ) {
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printf(_("Referral: %s\n"), refs[i] );
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}
}
}
ber_memfree( text );
ber_memfree( matcheddn );
ber_memvfree( (void **) refs );
ber_memfree( retoid );
ber_bvfree( retdata );
skip:
/* disconnect from server */
ldap_unbind (ld);
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return rc == LDAP_SUCCESS ? EXIT_SUCCESS : EXIT_FAILURE;
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}