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openldap/clients/finger/main.c
Kurt Zeilenga 8333a03346 struct ldap is now opaque to clients. 
updated clients to use ldap_get/set_options
ld_options is renamed ld_booleans.  ldap-int.h has accessor macros.
updated libldap to use new accessor macros.
1998-11-04 01:41:00 +00:00

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/*
* Copyright (c) 1990,1994 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.
*/
#include "portable.h"
#include <stdio.h>
#include <ctype.h>
#include <signal.h>
#include <ac/socket.h>
#include <ac/string.h>
#include <ac/syslog.h>
#include <ac/time.h>
#include <ac/unistd.h>
#include <ac/wait.h>
#include <sys/resource.h>
#include "lber.h"
#include "ldap.h"
#include "disptmpl.h"
#include "ldapconfig.h"
int dosyslog = 1;
char *ldaphost = LDAPHOST;
int ldapport = LDAP_PORT;
char *base = FINGER_BASE;
int deref;
char *filterfile = FILTERFILE;
char *templatefile = TEMPLATEFILE;
int rdncount = FINGER_RDNCOUNT;
static do_query();
static do_search();
static do_read();
static print_attr();
static usage( name )
char *name;
{
fprintf( stderr, "usage: %s [-l] [-x ldaphost] [-p ldapport] [-f filterfile] [-t templatefile] [-c rdncount]\r\n", name );
exit( 1 );
}
main (argc, argv)
int argc;
char **argv;
{
int i;
char *myname;
unsigned long mypeer = -1;
struct hostent *hp;
struct sockaddr_in peername;
int peernamelen;
int interactive = 0;
extern char *optarg;
deref = FINGER_DEREF;
while ( (i = getopt( argc, argv, "f:ilp:t:x:p:c:" )) != EOF ) {
switch( i ) {
case 'f': /* ldap filter file */
filterfile = strdup( optarg );
break;
case 'i': /* interactive */
interactive = 1;
break;
case 'l': /* don't do syslogging */
dosyslog = 0;
break;
case 't': /* ldap template file */
templatefile = strdup( optarg );
break;
case 'x': /* specify ldap host */
ldaphost = strdup( optarg );
break;
case 'p': /* specify ldap port */
ldapport = atoi( optarg );
break;
case 'c': /* specify number of DN components to show */
rdncount = atoi( optarg );
break;
default:
usage( argv[0] );
}
}
if ( !interactive ) {
peernamelen = sizeof(peername);
if ( getpeername( 0, (struct sockaddr *)&peername,
&peernamelen ) != 0 ) {
perror( "getpeername" );
exit( 1 );
}
mypeer = (unsigned long) peername.sin_addr.s_addr;
}
#ifdef FINGER_BANNER
if ( FINGER_BANNER != NULL && strcmp( FINGER_BANNER, "" ) != 0 ) {
printf( FINGER_BANNER );
fflush( stdout );
}
#endif
if ( (myname = strrchr( argv[0], '/' )) == NULL )
myname = strdup( argv[0] );
else
myname = strdup( myname + 1 );
if ( dosyslog ) {
#ifdef LOG_LOCAL4
openlog( myname, OPENLOG_OPTIONS, LOG_LOCAL4 );
#else
openlog( myname, OPENLOG_OPTIONS );
#endif
}
if ( dosyslog && mypeer != -1 ) {
struct in_addr addr;
hp = gethostbyaddr( (char *) &mypeer, sizeof(mypeer), AF_INET );
addr.s_addr = mypeer;
syslog( LOG_INFO, "connection from %s (%s)", (hp == NULL) ?
"unknown" : hp->h_name, inet_ntoa( addr ) );
}
do_query();
return( 0 );
}
static do_query()
{
char buf[256];
int len, rc, tblsize;
struct timeval timeout;
fd_set readfds;
LDAP *ld;
if ( (ld = ldap_open( ldaphost, ldapport )) == NULL ) {
fprintf( stderr, FINGER_UNAVAILABLE );
perror( "ldap_open" );
exit( 1 );
}
{
int limit = FINGER_SIZELIMIT;
ldap_set_option(ld, LDAP_OPT_SIZELIMIT, &limit);
}
ldap_set_option(ld, LDAP_OPT_DEREF, &deref);
if ( ldap_simple_bind_s( ld, FINGER_BINDDN, FINGER_BIND_CRED )
!= LDAP_SUCCESS )
{
fprintf( stderr, FINGER_UNAVAILABLE );
ldap_perror( ld, "ldap_simple_bind_s" );
exit( 1 );
}
#ifdef HAVE_SYSCONF
tblsize = sysconf( _SC_OPEN_MAX );
#elif HAVE_GETDTABLESIZE
tblsize = getdtablesize();
#else
tblsize = FD_SETSIZE;
#endif
#ifdef FD_SETSIZE
if (tblsize > FD_SETSIZE) {
tblsize = FD_SETSIZE;
}
#endif /* FD_SETSIZE*/
timeout.tv_sec = FINGER_TIMEOUT;
timeout.tv_usec = 0;
FD_ZERO( &readfds );
FD_SET( fileno( stdin ), &readfds );
if ( (rc = select( tblsize, &readfds, 0, 0, &timeout )) <= 0 ) {
if ( rc < 0 )
perror( "select" );
else
fprintf( stderr, "connection timed out on input\r\n" );
exit( 1 );
}
if ( fgets( buf, sizeof(buf), stdin ) == NULL )
exit( 1 );
len = strlen( buf );
/* strip off \r \n */
if ( buf[len - 1] == '\n' ) {
buf[len - 1] = '\0';
len--;
}
if ( buf[len - 1] == '\r' ) {
buf[len - 1] = '\0';
len--;
}
if ( len == 0 ) {
printf( "No campus-wide login information available. Info for this machine only:\r\n" );
fflush( stdout );
execl( FINGER_CMD, FINGER_CMD, NULL );
} else {
char *p;
/* skip and ignore stinking /w */
if ( strncmp( buf, "/W ", 2 ) == 0 ) {
p = buf + 2;
} else {
p = buf;
}
for ( ; *p && isspace( *p ); p++ )
; /* NULL */
do_search( ld, p );
}
}
static void
spaces2dots( s )
char *s;
{
for ( ; *s; s++ ) {
if ( *s == ' ' ) {
*s = '.';
}
}
}
static do_search( ld, buf )
LDAP *ld;
char *buf;
{
char *dn, *rdn;
char **title;
int rc, matches, i, ufn;
struct timeval tv;
LDAPFiltDesc *fd;
LDAPFiltInfo *fi;
LDAPMessage *result, *e;
static char *attrs[] = { "cn", "title", "objectClass", "joinable",
#ifdef FINGER_SORT_ATTR
FINGER_SORT_ATTR,
#endif
0 };
extern int strcasecmp();
ufn = 0;
#ifdef FINGER_UFN
if ( strchr( buf, ',' ) != NULL ) {
ldap_ufn_setprefix( ld, base );
tv.tv_sec = FINGER_TIMEOUT;
tv.tv_usec = 0;
ldap_ufn_timeout( (void *) &tv );
if ( (rc = ldap_ufn_search_s( ld, buf, attrs, 0, &result ))
!= LDAP_SUCCESS && rc != LDAP_SIZELIMIT_EXCEEDED ) {
fprintf( stderr, FINGER_UNAVAILABLE );
ldap_perror( ld, "ldap_search_st" );
exit( 1 );
}
matches = ldap_count_entries( ld, result );
ufn = 1;
} else {
#endif
if ( (fd = ldap_init_getfilter( filterfile ))
== NULL ) {
fprintf( stderr, "Cannot open filter file (%s)\n",
filterfile );
exit( 1 );
}
for ( fi = ldap_getfirstfilter( fd, "finger", buf );
fi != NULL;
fi = ldap_getnextfilter( fd ) )
{
tv.tv_sec = FINGER_TIMEOUT;
tv.tv_usec = 0;
if ( (rc = ldap_search_st( ld, base, LDAP_SCOPE_SUBTREE,
fi->lfi_filter, attrs, 0, &tv, &result ))
!= LDAP_SUCCESS && rc != LDAP_SIZELIMIT_EXCEEDED
&& rc != LDAP_TIMELIMIT_EXCEEDED )
{
fprintf( stderr, FINGER_UNAVAILABLE );
ldap_perror( ld, "ldap_search_st" );
exit( 1 );
}
if ( (matches = ldap_count_entries( ld, result )) != 0 )
break;
ldap_msgfree( result );
result = NULL;
}
#ifdef FINGER_UFN
}
#endif
if ( rc == LDAP_SIZELIMIT_EXCEEDED ) {
printf( "(Partial results - a size limit was exceeded)\r\n" );
} else if ( rc == LDAP_TIMELIMIT_EXCEEDED ) {
printf( "(Partial results - a time limit was exceeded)\r\n" );
}
if ( matches == 0 ) {
printf( FINGER_NOMATCH );
fflush( stdout );
} else if ( matches < 0 ) {
fprintf( stderr, "error return from ldap_count_entries\r\n" );
exit( 1 );
} else if ( matches <= FINGER_LISTLIMIT ) {
printf( "%d %s match%s found for \"%s\":\r\n", matches,
ufn ? "UFN" : fi->lfi_desc, matches > 1 ? "es" : "", buf );
fflush( stdout );
for ( e = ldap_first_entry( ld, result ); e != NULL; ) {
do_read( ld, e );
e = ldap_next_entry( ld, e );
if ( e != NULL ) {
printf( "--------------------\r\n" );
}
}
} else {
printf( "%d %s matches for \"%s\":\r\n", matches,
ufn ? "UFN" : fi->lfi_desc, buf );
fflush( stdout );
#ifdef FINGER_SORT_ATTR
ldap_sort_entries( ld, &result, FINGER_SORT_ATTR, strcasecmp );
#endif
for ( e = ldap_first_entry( ld, result ); e != NULL;
e = ldap_next_entry( ld, e ) ) {
char *p;
dn = ldap_get_dn( ld, e );
rdn = dn;
if ( (p = strchr( dn, ',' )) != NULL )
*p = '\0';
while ( *rdn && *rdn != '=' )
rdn++;
if ( *rdn )
rdn++;
/* hack attack */
for ( i = 0; buf[i] != '\0'; i++ ) {
if ( buf[i] == '.' || buf[i] == '_' )
buf[i] = ' ';
}
if ( strcasecmp( rdn, buf ) == 0 ) {
char **cn;
int i, last;
cn = ldap_get_values( ld, e, "cn" );
for ( i = 0; cn[i] != NULL; i++ ) {
last = strlen( cn[i] ) - 1;
if ( isdigit( cn[i][last] ) ) {
rdn = strdup( cn[i] );
break;
}
}
}
title = ldap_get_values( ld, e, "title" );
spaces2dots( rdn );
printf( " %-20s %s\r\n", rdn,
title ? title[0] : "" );
if ( title != NULL ) {
for ( i = 1; title[i] != NULL; i++ )
printf( " %-20s %s\r\n", "",
title[i] );
}
fflush( stdout );
if ( title != NULL )
ldap_value_free( title );
free( dn );
}
}
if ( result != NULL ) {
ldap_msgfree( result );
}
ldap_unbind( ld );
}
static int
entry2textwrite( void *fp, char *buf, int len )
{
return( fwrite( buf, len, 1, (FILE *)fp ) == 0 ? -1 : len );
}
static do_read( ld, e )
LDAP *ld;
LDAPMessage *e;
{
static struct ldap_disptmpl *tmpllist;
static char *defattrs[] = { "mail", NULL };
static char *mailvals[] = FINGER_NOEMAIL;
static char **defvals[] = { mailvals, NULL };
ldap_init_templates( templatefile, &tmpllist );
if ( ldap_entry2text_search( ld, NULL, base, e, tmpllist, defattrs,
defvals, entry2textwrite, (void *)stdout, "\r\n", rdncount,
LDAP_DISP_OPT_DOSEARCHACTIONS ) != LDAP_SUCCESS ) {
ldap_perror( ld, "ldap_entry2text_search" );
exit( 1 );
}
if ( tmpllist != NULL ) {
ldap_free_templates( tmpllist );
}
}
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