2 * Copyright (c) 1990,1994 Regents of The University of Michigan.
3 * All Rights Reserved. See COPYRIGHT.
6 * Copyright (c) 1983 Regents of the University of California.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by the University of
20 * California, Berkeley and its contributors.
21 * 4. Neither the name of the University nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
39 * Interface to lpr system.
46 #include <sys/param.h>
47 #include <sys/syslog.h>
49 #include <sys/socket.h>
51 #if defined( sun ) && defined( __svr4__ )
52 #include </usr/ucbinclude/sys/file.h>
57 #include <netinet/in.h>
59 #include <netatalk/at.h>
60 #include <atalk/atp.h>
61 #include <atalk/paths.h>
77 char hostname[ MAXHOSTNAMELEN ];
79 extern struct sockaddr_at *sat;
81 /* initialize printing interface */
83 /* cancel current job */
85 /* print current job */
88 /* open a file for spooling */
90 /* open a buffer to the current open file */
92 /* close current spooling file */
104 #define LP_INIT (1<<0)
105 #define LP_OPEN (1<<1)
106 #define LP_PIPE (1<<2)
107 #define LP_CONNECT (1<<3)
108 #define LP_QUEUE (1<<4)
113 if ( lp.lp_person != NULL ) {
114 free( lp.lp_person );
116 if (( lp.lp_person = (char *)malloc( strlen( person ) + 1 )) == NULL ) {
117 syslog( LOG_ERR, "malloc: %m" );
120 strcpy( lp.lp_person, person );
130 if ( lp.lp_person == NULL ) {
133 err = ABS_canprint( lp.lp_person, printer->p_role, printer->p_srvid,
135 printer->p_pagecost = floor( atof( cost ) * 10000.0 );
136 printer->p_balance = atof( balance ) + atof( cost );
137 return( err < 0 ? -1 : 0 );
144 if ( lp.lp_host != NULL ) {
147 if (( lp.lp_host = (char *)malloc( strlen( host ) + 1 )) == NULL ) {
148 syslog( LOG_ERR, "malloc: %m" );
151 strcpy( lp.lp_host, host );
159 if ( lp.lp_job != NULL ) {
162 if (( lp.lp_job = (char *)malloc( strlen( job ) + 1 )) == NULL ) {
163 syslog( LOG_ERR, "malloc: %m" );
166 for ( p = job, q = lp.lp_job; *p != '\0'; p++, q++ ) {
167 if ( !isascii( *p ) || !isprint( *p ) || *p == '\\' ) {
178 struct sockaddr_at *sat;
181 char *cp, buf[ BUFSIZ ];
183 int authenticated = 0;
188 #if defined( CAPDIR ) || defined( USE_CAP )
190 int addr_net, addr_node;
193 char addr_filename[256];
196 if ( printer->p_flags & P_AUTH ) {
199 if ( printer->p_flags & P_AUTH_CAP ) {
200 addr_net = ntohs( sat->sat_addr.s_net );
201 addr_node = sat->sat_addr.s_node;
202 sprintf(addr_filename, "%s/net%d.%dnode%d", CAPDIR, addr_net/256, addr_net%256, addr_node);
203 if (stat(addr_filename, &cap_st) == 0) {
204 if ((cap_file = fopen(addr_filename, "r")) != NULL) {
205 if (fscanf(cap_file, "%s", username) != EOF) {
206 if (getpwnam(username) != NULL ) {
207 syslog(LOG_INFO, "CAP authenticated %s", username);
211 syslog(LOG_INFO, "CAP error: invalid username: '%s'", username);
214 syslog(LOG_INFO, "CAP error: could not read username");
217 syslog(LOG_INFO, "CAP error: %m");
220 syslog(LOG_INFO, "CAP error: %m");
225 if ( printer->p_flags & P_AUTH_PSSP ) {
226 if ( lp.lp_person != NULL ) {
231 if ( authenticated == 0 ) {
232 syslog( LOG_ERR, "lp_init: must authenticate" );
233 spoolerror( out, "Authentication required." );
238 if (( printer->p_flags & P_ACCOUNT ) && printer->p_pagecost > 0 &&
239 ! ABS_canprint( lp.lp_person, printer->p_role,
240 printer->p_srvid, cost, balance )) {
241 syslog( LOG_ERR, "lp_init: no ABS funds" );
242 spoolerror( out, "No ABS funds available." );
248 if ( gethostname( hostname, sizeof( hostname )) < 0 ) {
249 syslog( LOG_ERR, "gethostname: %m" );
253 if ( lp.lp_flags & LP_INIT ) {
254 syslog( LOG_ERR, "lp_init: already inited, die!" );
262 if ( printer->p_flags & P_SPOOLED ) {
263 /* check if queuing is enabled: mode & 010 on lock file */
264 if ( stat( printer->p_lock, &st ) < 0 ) {
265 syslog( LOG_ERR, "lp_init: %s: %m", printer->p_lock );
266 spoolerror( out, NULL );
269 if ( st.st_mode & 010 ) {
270 syslog( LOG_INFO, "lp_init: queuing is disabled" );
271 spoolerror( out, "Queuing is disabled." );
275 if (( fd = open( ".seq", O_RDWR|O_CREAT, 0661 )) < 0 ) {
276 syslog( LOG_ERR, "lp_init: can't create .seq" );
277 spoolerror( out, NULL );
281 if ( flock( fd, LOCK_EX ) < 0 ) {
282 syslog( LOG_ERR, "lp_init: can't lock .seq" );
283 spoolerror( out, NULL );
288 if (( len = read( fd, buf, sizeof( buf ))) < 0 ) {
289 syslog( LOG_ERR, "lp_init read: %m" );
290 spoolerror( out, NULL );
294 for ( cp = buf; len; len--, cp++ ) {
295 if ( *cp < '0' || *cp > '9' ) {
298 n = n * 10 + ( *cp - '0' );
303 n = ( n + 1 ) % 1000;
304 sprintf( buf, "%03d\n", n );
306 write( fd, buf, strlen( buf ));
309 lp.lp_flags |= LP_PIPE;
310 lp.lp_seq = getpid();
313 lp.lp_flags |= LP_INIT;
319 struct sockaddr_at *sat;
321 char name[ MAXPATHLEN ];
323 struct passwd *pwent;
325 if (( lp.lp_flags & LP_INIT ) == 0 && lp_init( out, sat ) != 0 ) {
328 if ( lp.lp_flags & LP_OPEN ) {
329 syslog( LOG_ERR, "lp_open already open" );
333 if ( lp.lp_flags & LP_PIPE ) {
334 /* go right to program */
335 if (lp.lp_person != NULL) {
336 if((pwent = getpwnam(lp.lp_person)) != NULL) {
337 if(setreuid(pwent->pw_uid, pwent->pw_uid) != 0) {
338 syslog(LOG_INFO, "setreuid error: %m");
341 syslog(LOG_INFO, "Error getting username (%s)", lp.lp_person);
344 if (( lp.lp_stream = popen( printer->p_printer, "w" )) == NULL ) {
345 syslog( LOG_ERR, "lp_open popen %s: %m", printer->p_printer );
346 spoolerror( out, NULL );
350 sprintf( name, "df%c%03d%s", lp.lp_letter++, lp.lp_seq, hostname );
352 if (( fd = open( name, O_WRONLY|O_CREAT|O_EXCL, 0660 )) < 0 ) {
353 syslog( LOG_ERR, "lp_open %s: %m", name );
354 spoolerror( out, NULL );
358 if (lp.lp_person != NULL) {
359 if ((pwent = getpwnam(lp.lp_person)) == NULL) {
360 syslog(LOG_ERR, "getpwnam %s: no such user", lp.lp_person);
361 spoolerror( out, NULL );
365 if ((pwent = getpwnam(printer->p_operator)) == NULL) {
366 syslog(LOG_ERR, "getpwnam %s: no such user", printer->p_operator);
367 spoolerror( out, NULL );
372 if (fchown(fd, pwent->pw_uid, -1) < 0) {
373 syslog(LOG_ERR, "chown %s %s: %m", pwent->pw_name, name);
374 spoolerror( out, NULL );
378 if (( lp.lp_stream = fdopen( fd, "w" )) == NULL ) {
379 syslog( LOG_ERR, "lp_open fdopen: %m" );
380 spoolerror( out, NULL );
384 lp.lp_flags |= LP_OPEN;
391 if (( lp.lp_flags & LP_INIT ) == 0 || ( lp.lp_flags & LP_OPEN ) == 0 ) {
394 fclose( lp.lp_stream );
396 lp.lp_flags &= ~LP_OPEN;
404 if (( lp.lp_flags & LP_OPEN ) == 0 ) {
408 if ( fwrite( buf, 1, len, lp.lp_stream ) != len ) {
409 syslog( LOG_ERR, "lp_write: %m" );
417 char name[ MAXPATHLEN ];
420 if (( lp.lp_flags & LP_INIT ) == 0 || lp.lp_letter == 'A' ) {
424 if ( lp.lp_flags & LP_OPEN ) {
428 for ( letter = 'A'; letter < lp.lp_letter; letter++ ) {
429 sprintf( name, "df%c%03d%s", letter, lp.lp_seq, hostname );
430 if ( unlink( name ) < 0 ) {
431 syslog( LOG_ERR, "lp_cancel unlink %s: %m", name );
439 * Create printcap control file, signal printer. Errors here should
440 * remove queue files.
446 char buf[ MAXPATHLEN ];
447 char tfname[ MAXPATHLEN ];
448 char cfname[ MAXPATHLEN ];
453 if (( lp.lp_flags & LP_INIT ) == 0 || lp.lp_letter == 'A' ) {
458 if ( printer->p_flags & P_SPOOLED ) {
459 sprintf( tfname, "tfA%03d%s", lp.lp_seq, hostname );
460 if (( fd = open( tfname, O_WRONLY|O_EXCL|O_CREAT, 0660 )) < 0 ) {
461 syslog( LOG_ERR, "lp_print %s: %m", tfname );
464 if (( cfile = fdopen( fd, "w" )) == NULL ) {
465 syslog( LOG_ERR, "lp_print %s: %m", tfname );
468 fprintf( cfile, "H%s\n", hostname ); /* XXX lp_host? */
470 if ( lp.lp_person ) {
471 fprintf( cfile, "P%s\n", lp.lp_person );
473 fprintf( cfile, "P%s\n", printer->p_operator );
476 if ( lp.lp_job && *lp.lp_job ) {
477 fprintf( cfile, "J%s\n", lp.lp_job );
478 fprintf( cfile, "T%s\n", lp.lp_job );
480 fprintf( cfile, "JMac Job\n" );
481 fprintf( cfile, "TMac Job\n" );
484 fprintf( cfile, "C%s\n", hostname ); /* XXX lp_host? */
486 if ( lp.lp_person ) {
487 fprintf( cfile, "L%s\n", lp.lp_person );
489 fprintf( cfile, "L%s\n", printer->p_operator );
492 for ( letter = 'A'; letter < lp.lp_letter; letter++ ) {
493 fprintf( cfile, "fdf%c%03d%s\n", letter, lp.lp_seq, hostname );
494 fprintf( cfile, "Udf%c%03d%s\n", letter, lp.lp_seq, hostname );
497 if ( lp.lp_job && *lp.lp_job ) {
498 fprintf( cfile, "N%s\n", lp.lp_job );
500 fprintf( cfile, "NMac Job\n" );
504 sprintf( cfname, "cfA%03d%s", lp.lp_seq, hostname );
505 if ( link( tfname, cfname ) < 0 ) {
506 syslog( LOG_ERR, "lp_print can't link %s to %s: %m", cfname,
512 if (( s = lp_conn_unix()) < 0 ) {
513 syslog( LOG_ERR, "lp_print: lp_conn_unix: %m" );
517 sprintf( buf, "\1%s\n", printer->p_printer );
519 if ( write( s, buf, n ) != n ) {
520 syslog( LOG_ERR, "lp_print write: %m" );
523 if ( read( s, buf, 1 ) != 1 ) {
524 syslog( LOG_ERR, "lp_print read: %m" );
528 lp_disconn_unix( s );
530 if ( buf[ 0 ] != '\0' ) {
531 syslog( LOG_ERR, "lp_print lpd said %c: %m", buf[ 0 ] );
535 syslog( LOG_INFO, "lp_print queued" );
539 lp_disconn_unix( fd )
541 return( close( fd ));
547 struct sockaddr_un saun;
549 if (( s = socket( AF_UNIX, SOCK_STREAM, 0 )) < 0 ) {
550 syslog( LOG_ERR, "lp_conn_unix socket: %m" );
553 bzero( &saun, sizeof( struct sockaddr_un ));
554 saun.sun_family = AF_UNIX;
555 strcpy( saun.sun_path, _PATH_DEVPRINTER );
556 if ( connect( s, (struct sockaddr *)&saun,
557 strlen( saun.sun_path ) + 2 ) < 0 ) {
558 syslog( LOG_ERR, "lp_conn_unix connect %s: %m", saun.sun_path );
566 lp_disconn_inet( fd )
568 return( close( fd ));
573 int privfd, port = IPPORT_RESERVED - 1;
574 struct sockaddr_in sin;
578 if (( sp = getservbyname( "printer", "tcp" )) == NULL ) {
579 syslog( LOG_ERR, "printer/tcp: unknown service\n" );
583 if ( gethostname( hostname, sizeof( hostname )) < 0 ) {
584 syslog( LOG_ERR, "gethostname: %m" );
588 if (( hp = gethostbyname( hostname )) == NULL ) {
589 syslog( LOG_ERR, "%s: unknown host\n", hostname );
593 if (( privfd = rresvport( &port )) < 0 ) {
594 syslog( LOG_ERR, "lp_connect: socket: %m" );
599 bzero( &sin, sizeof( struct sockaddr_in ));
600 sin.sin_family = AF_INET;
601 /* sin.sin_addr.s_addr = htonl( INADDR_LOOPBACK ); */
602 bcopy( hp->h_addr, &sin.sin_addr, hp->h_length );
603 sin.sin_port = sp->s_port;
605 if ( connect( privfd, (struct sockaddr *)&sin,
606 sizeof( struct sockaddr_in )) < 0 ) {
607 syslog( LOG_ERR, "lp_connect: %m" );
621 if (( s = lp_conn_inet()) < 0 ) {
622 syslog( LOG_ERR, "lp_rmjob: %m" );
626 if ( lp.lp_person == NULL ) {
630 sprintf( buf, "\5%s %s %d\n", printer->p_printer, lp.lp_person, job );
632 if ( write( s, buf, n ) != n ) {
633 syslog( LOG_ERR, "lp_rmjob write: %m" );
634 lp_disconn_inet( s );
637 while (( n = read( s, buf, sizeof( buf ))) > 0 ) {
638 syslog( LOG_DEBUG, "read %.*s", n, buf );
641 lp_disconn_inet( s );
645 char *kw_rank = "Rank";
646 char *kw_active = "active";
648 char *tag_rank = "rank: ";
649 char *tag_owner = "owner: ";
650 char *tag_job = "job: ";
651 char *tag_files = "files: ";
652 char *tag_size = "size: ";
653 char *tag_status = "status: ";
658 char buf[ 1024 ], *start, *stop, *p, *q;
659 int linelength, crlflength;
660 static struct papfile pf;
663 if (( s = lp_conn_unix()) < 0 ) {
664 syslog( LOG_ERR, "lp_queue: %m" );
668 sprintf( buf, "\3%s\n", printer->p_printer );
670 if ( write( s, buf, n ) != n ) {
671 syslog( LOG_ERR, "lp_queue write: %m" );
672 lp_disconn_unix( s );
675 pf.pf_state = PF_BOT;
677 while (( n = read( s, buf, sizeof( buf ))) > 0 ) {
678 append( &pf, buf, n );
682 if ( markline( &pf, &start, &linelength, &crlflength ) > 0 ) {
684 stop = start + linelength;
685 for ( p = start; p < stop; p++ ) {
686 if ( *p == ' ' || *p == '\t' ) {
691 CONSUME( &pf , linelength + crlflength);
696 * Keys: "Rank", a number, "active"
697 * Anything else is status.
700 if ( len == strlen( kw_rank ) &&
701 strncmp( kw_rank, start, len ) == 0 ) {
702 CONSUME( &pf, linelength + crlflength );
705 if (( len == strlen( kw_active ) &&
706 strncmp( kw_active, start, len ) == 0 ) ||
707 isdigit( *start )) { /* a job line */
708 append( out, tag_rank, strlen( tag_rank ));
709 append( out, start, p - start );
710 append( out, "\n", 1 );
712 for ( ; p < stop; p++ ) {
713 if ( *p != ' ' && *p != '\t' ) {
717 for ( q = p; p < stop; p++ ) {
718 if ( *p == ' ' || *p == '\t' ) {
723 append( out, ".\n", 2 );
724 CONSUME( &pf, linelength + crlflength );
727 append( out, tag_owner, strlen( tag_owner ));
728 append( out, q, p - q );
729 append( out, "\n", 1 );
731 for ( ; p < stop; p++ ) {
732 if ( *p != ' ' && *p != '\t' ) {
736 for ( q = p; p < stop; p++ ) {
737 if ( *p == ' ' || *p == '\t' ) {
742 append( out, ".\n", 2 );
743 CONSUME( &pf , linelength + crlflength );
746 append( out, tag_job, strlen( tag_job ));
747 append( out, q, p - q );
748 append( out, "\n", 1 );
750 for ( ; p < stop; p++ ) {
751 if ( *p != ' ' && *p != '\t' ) {
755 for ( q = p, p = stop; p > q; p-- ) {
756 if ( *p == ' ' || *p == '\t' ) {
760 for ( ; p > q; p-- ) {
761 if ( *p != ' ' && *p != '\t' ) {
765 for ( ; p > q; p-- ) {
766 if ( *p == ' ' || *p == '\t' ) {
771 append( out, ".\n", 2 );
772 CONSUME( &pf, linelength + crlflength );
775 append( out, tag_files, strlen( tag_files ));
776 append( out, q, p - q );
777 append( out, "\n", 1 );
779 for ( ; p < stop; p++ ) {
780 if ( *p != ' ' && *p != '\t' ) {
784 append( out, tag_size, strlen( tag_size ));
785 append( out, p, stop - p );
786 append( out, "\n.\n", 3 );
788 CONSUME( &pf, linelength + crlflength );
793 append( out, tag_status, strlen( tag_status ));
794 append( out, start, linelength );
795 append( out, "\n.\n", 3 );
797 CONSUME( &pf, linelength + crlflength );
799 append( out, "*\n", 2 );
800 lp_disconn_unix( s );