2 * Copyright (c) 1990,1994 Regents of the University of Michigan.
5 * Redistribution and use in source and binary forms are permitted
6 * provided that this notice is preserved and that due credit is given
7 * to the University of Michigan at Ann Arbor. The name of the University
8 * may not be used to endorse or promote products derived from this
9 * software without specific prior written permission. This software
10 * is provided ``as is'' without express or implied warranty.
17 #include <ac/stdlib.h>
20 #include <ac/signal.h>
21 #include <ac/socket.h>
22 #include <ac/string.h>
23 #include <ac/syslog.h>
25 #include <ac/unistd.h>
28 #ifdef HAVE_SYS_RESOURCE_H
29 #include <sys/resource.h>
37 #include "ldap_defaults.h"
41 char *ldaphost = NULL;
45 char *filterfile = FILTERFILE;
46 char *templatefile = TEMPLATEFILE;
47 int rdncount = FINGER_RDNCOUNT;
49 static void do_query(void);
50 static void do_search(LDAP *ld, char *buf);
51 static void do_read(LDAP *ld, LDAPMessage *e);
56 fprintf( stderr, "usage: %s [-l] [-x ldaphost] [-p ldapport] [-f filterfile] [-t templatefile] [-c rdncount]\r\n", name );
61 main( int argc, char **argv )
66 struct sockaddr_in peername;
71 while ( (i = getopt( argc, argv, "f:ilp:t:x:p:c:" )) != EOF ) {
73 case 'f': /* ldap filter file */
74 filterfile = strdup( optarg );
77 case 'i': /* interactive */
81 case 'l': /* don't do syslogging */
85 case 't': /* ldap template file */
86 templatefile = strdup( optarg );
89 case 'x': /* specify ldap host */
90 ldaphost = strdup( optarg );
93 case 'p': /* specify ldap port */
94 ldapport = atoi( optarg );
97 case 'c': /* specify number of DN components to show */
98 rdncount = atoi( optarg );
106 if ( !interactive ) {
107 peernamelen = sizeof(peername);
108 if ( getpeername( 0, (struct sockaddr *)&peername,
109 &peernamelen ) != 0 ) {
110 perror( "getpeername" );
116 if ( FINGER_BANNER != NULL && strcmp( FINGER_BANNER, "" ) != 0 ) {
117 printf( FINGER_BANNER );
122 if ( (myname = strrchr( argv[0], '/' )) == NULL )
123 myname = strdup( argv[0] );
125 myname = strdup( myname + 1 );
128 (void) SIGNAL( SIGPIPE, SIG_IGN );
133 openlog( myname, OPENLOG_OPTIONS, LOG_LOCAL4 );
135 openlog( myname, OPENLOG_OPTIONS );
139 if ( dosyslog && !interactive ) {
140 hp = gethostbyaddr( (char *) &peername.sin_addr.s_addr,
141 sizeof(peername.sin_addr.s_addr), AF_INET );
142 syslog( LOG_INFO, "connection from %s (%s)",
143 (hp == NULL) ? "unknown" : hp->h_name,
144 inet_ntoa( peername.sin_addr ) );
156 int len, rc, tblsize;
157 struct timeval timeout;
161 if ( (ld = ldap_init( ldaphost, ldapport )) == NULL ) {
162 fprintf( stderr, FINGER_UNAVAILABLE );
163 perror( "ldap_init" );
168 int limit = FINGER_SIZELIMIT;
169 ldap_set_option(ld, LDAP_OPT_SIZELIMIT, &limit);
171 ldap_set_option(ld, LDAP_OPT_DEREF, &deref);
173 if ( ldap_simple_bind_s( ld, NULL, NULL )
176 fprintf( stderr, FINGER_UNAVAILABLE );
177 ldap_perror( ld, "ldap_simple_bind_s" );
182 tblsize = sysconf( _SC_OPEN_MAX );
183 #elif HAVE_GETDTABLESIZE
184 tblsize = getdtablesize();
186 tblsize = FD_SETSIZE;
190 if (tblsize > FD_SETSIZE) {
191 tblsize = FD_SETSIZE;
193 #endif /* FD_SETSIZE*/
195 timeout.tv_sec = FINGER_TIMEOUT;
198 FD_SET( fileno( stdin ), &readfds );
200 if ( (rc = select( tblsize, &readfds, 0, 0, &timeout )) <= 0 ) {
204 fprintf( stderr, "connection timed out on input\r\n" );
208 if ( fgets( buf, sizeof(buf), stdin ) == NULL )
213 /* strip off \r \n */
214 if ( buf[len - 1] == '\n' ) {
218 if ( buf[len - 1] == '\r' ) {
224 printf( "No campus-wide login information available. Info for this machine only:\r\n" );
226 execl( FINGER_CMD, FINGER_CMD, NULL );
230 /* skip and ignore stinking /w */
231 if ( strncmp( buf, "/W ", 2 ) == 0 ) {
237 for ( ; *p && isspace( (unsigned char) *p ); p++ )
245 spaces2dots( char *s )
255 do_search( LDAP *ld, char *buf )
259 int rc, matches, i, ufn;
263 LDAPMessage *result, *e;
264 static char *attrs[] = { "cn", "title", "objectClass", "joinable",
265 #ifdef FINGER_SORT_ATTR
272 if ( strchr( buf, ',' ) != NULL ) {
273 ldap_ufn_setprefix( ld, base );
274 tv.tv_sec = FINGER_TIMEOUT;
276 ldap_ufn_timeout( (void *) &tv );
278 if ( (rc = ldap_ufn_search_s( ld, buf, attrs, 0, &result ))
279 != LDAP_SUCCESS && rc != LDAP_SIZELIMIT_EXCEEDED ) {
280 fprintf( stderr, FINGER_UNAVAILABLE );
281 ldap_perror( ld, "ldap_search_st" );
285 matches = ldap_count_entries( ld, result );
289 if ( (fd = ldap_init_getfilter( filterfile ))
291 fprintf( stderr, "Cannot open filter file (%s)\n",
296 for ( fi = ldap_getfirstfilter( fd, "finger", buf );
298 fi = ldap_getnextfilter( fd ) )
300 tv.tv_sec = FINGER_TIMEOUT;
302 if ( (rc = ldap_search_st( ld, base, LDAP_SCOPE_SUBTREE,
303 fi->lfi_filter, attrs, 0, &tv, &result ))
304 != LDAP_SUCCESS && rc != LDAP_SIZELIMIT_EXCEEDED
305 && rc != LDAP_TIMELIMIT_EXCEEDED )
307 fprintf( stderr, FINGER_UNAVAILABLE );
308 ldap_perror( ld, "ldap_search_st" );
312 if ( (matches = ldap_count_entries( ld, result )) != 0 )
315 ldap_msgfree( result );
322 if ( rc == LDAP_SIZELIMIT_EXCEEDED ) {
323 printf( "(Partial results - a size limit was exceeded)\r\n" );
324 } else if ( rc == LDAP_TIMELIMIT_EXCEEDED ) {
325 printf( "(Partial results - a time limit was exceeded)\r\n" );
328 if ( matches == 0 ) {
329 printf( FINGER_NOMATCH );
331 } else if ( matches < 0 ) {
332 fprintf( stderr, "error return from ldap_count_entries\r\n" );
334 } else if ( matches <= FINGER_LISTLIMIT ) {
335 printf( "%d %s match%s found for \"%s\":\r\n", matches,
336 ufn ? "UFN" : fi->lfi_desc, matches > 1 ? "es" : "", buf );
339 for ( e = ldap_first_entry( ld, result ); e != NULL; ) {
341 e = ldap_next_entry( ld, e );
343 printf( "--------------------\r\n" );
347 printf( "%d %s matches for \"%s\":\r\n", matches,
348 ufn ? "UFN" : fi->lfi_desc, buf );
351 #ifdef FINGER_SORT_ATTR
352 ldap_sort_entries( ld, &result, FINGER_SORT_ATTR, strcasecmp );
355 for ( e = ldap_first_entry( ld, result ); e != NULL;
356 e = ldap_next_entry( ld, e ) ) {
359 dn = ldap_get_dn( ld, e );
361 if ( (p = strchr( dn, ',' )) != NULL )
363 while ( *rdn && *rdn != '=' )
369 for ( i = 0; buf[i] != '\0'; i++ ) {
370 if ( buf[i] == '.' || buf[i] == '_' )
373 if ( strcasecmp( rdn, buf ) == 0 ) {
377 cn = ldap_get_values( ld, e, "cn" );
378 for ( i = 0; cn[i] != NULL; i++ ) {
379 last = strlen( cn[i] ) - 1;
380 if (isdigit((unsigned char) cn[i][last])) {
381 rdn = strdup( cn[i] );
387 title = ldap_get_values( ld, e, "title" );
390 printf( " %-20s %s\r\n", rdn,
391 title ? title[0] : "" );
392 if ( title != NULL ) {
393 for ( i = 1; title[i] != NULL; i++ )
394 printf( " %-20s %s\r\n", "",
400 ldap_value_free( title );
406 if ( result != NULL ) {
407 ldap_msgfree( result );
414 entry2textwrite( void *fp, char *buf, int len )
416 return( fwrite( buf, len, 1, (FILE *)fp ) == 0 ? -1 : len );
421 do_read( LDAP *ld, LDAPMessage *e )
423 static struct ldap_disptmpl *tmpllist;
424 static char *defattrs[] = { "mail", NULL };
425 static char *mailvals[] = FINGER_NOEMAIL;
426 static char **defvals[] = { mailvals, NULL };
428 ldap_init_templates( templatefile, &tmpllist );
430 if ( ldap_entry2text_search( ld, NULL, base, e, tmpllist, defattrs,
431 defvals, entry2textwrite, (void *)stdout, "\r\n", rdncount,
432 LDAP_DISP_OPT_DOSEARCHACTIONS ) != LDAP_SUCCESS ) {
433 ldap_perror( ld, "ldap_entry2text_search" );
437 if ( tmpllist != NULL ) {
438 ldap_free_templates( tmpllist );