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;
189 if ( printer->p_flags & P_AUTH ) {
192 /* cap style "log on to afp server before printing" authentication */
194 if ( printer->p_authprintdir && (printer->p_flags & P_AUTH_CAP) ) {
195 int addr_net = ntohs( sat->sat_addr.s_net );
196 int addr_node = sat->sat_addr.s_node;
197 char addr_filename[256];
202 sprintf(addr_filename, "%s/net%d.%dnode%d",
203 printer->p_authprintdir, addr_net/256, addr_net%256,
205 if (stat(addr_filename, &cap_st) == 0) {
206 if ((cap_file = fopen(addr_filename, "r")) != NULL) {
207 if (fscanf(cap_file, "%s", username) != EOF) {
208 if (getpwnam(username) != NULL ) {
209 syslog(LOG_INFO, "CAP authenticated %s", username);
213 syslog(LOG_INFO, "CAP error: invalid username: '%s'", username);
216 syslog(LOG_INFO, "CAP error: could not read username");
219 syslog(LOG_INFO, "CAP error: %m");
222 syslog(LOG_INFO, "CAP error: %m");
226 if ( printer->p_flags & P_AUTH_PSSP ) {
227 if ( lp.lp_person != NULL ) {
232 if ( authenticated == 0 ) {
233 syslog( LOG_ERR, "lp_init: must authenticate" );
234 spoolerror( out, "Authentication required." );
239 if (( printer->p_flags & P_ACCOUNT ) && printer->p_pagecost > 0 &&
240 ! ABS_canprint( lp.lp_person, printer->p_role,
241 printer->p_srvid, cost, balance )) {
242 syslog( LOG_ERR, "lp_init: no ABS funds" );
243 spoolerror( out, "No ABS funds available." );
249 if ( gethostname( hostname, sizeof( hostname )) < 0 ) {
250 syslog( LOG_ERR, "gethostname: %m" );
254 if ( lp.lp_flags & LP_INIT ) {
255 syslog( LOG_ERR, "lp_init: already inited, die!" );
263 if ( printer->p_flags & P_SPOOLED ) {
264 /* check if queuing is enabled: mode & 010 on lock file */
265 if ( stat( printer->p_lock, &st ) < 0 ) {
266 syslog( LOG_ERR, "lp_init: %s: %m", printer->p_lock );
267 spoolerror( out, NULL );
270 if ( st.st_mode & 010 ) {
271 syslog( LOG_INFO, "lp_init: queuing is disabled" );
272 spoolerror( out, "Queuing is disabled." );
276 if (( fd = open( ".seq", O_RDWR|O_CREAT, 0661 )) < 0 ) {
277 syslog( LOG_ERR, "lp_init: can't create .seq" );
278 spoolerror( out, NULL );
282 if ( flock( fd, LOCK_EX ) < 0 ) {
283 syslog( LOG_ERR, "lp_init: can't lock .seq" );
284 spoolerror( out, NULL );
289 if (( len = read( fd, buf, sizeof( buf ))) < 0 ) {
290 syslog( LOG_ERR, "lp_init read: %m" );
291 spoolerror( out, NULL );
295 for ( cp = buf; len; len--, cp++ ) {
296 if ( *cp < '0' || *cp > '9' ) {
299 n = n * 10 + ( *cp - '0' );
304 n = ( n + 1 ) % 1000;
305 sprintf( buf, "%03d\n", n );
307 write( fd, buf, strlen( buf ));
310 lp.lp_flags |= LP_PIPE;
311 lp.lp_seq = getpid();
314 lp.lp_flags |= LP_INIT;
320 struct sockaddr_at *sat;
322 char name[ MAXPATHLEN ];
324 struct passwd *pwent;
326 if (( lp.lp_flags & LP_INIT ) == 0 && lp_init( out, sat ) != 0 ) {
329 if ( lp.lp_flags & LP_OPEN ) {
330 syslog( LOG_ERR, "lp_open already open" );
334 if ( lp.lp_flags & LP_PIPE ) {
335 /* go right to program */
336 if (lp.lp_person != NULL) {
337 if((pwent = getpwnam(lp.lp_person)) != NULL) {
338 if(setreuid(pwent->pw_uid, pwent->pw_uid) != 0) {
339 syslog(LOG_INFO, "setreuid error: %m");
342 syslog(LOG_INFO, "Error getting username (%s)", lp.lp_person);
345 if (( lp.lp_stream = popen( printer->p_printer, "w" )) == NULL ) {
346 syslog( LOG_ERR, "lp_open popen %s: %m", printer->p_printer );
347 spoolerror( out, NULL );
351 sprintf( name, "df%c%03d%s", lp.lp_letter++, lp.lp_seq, hostname );
353 if (( fd = open( name, O_WRONLY|O_CREAT|O_EXCL, 0660 )) < 0 ) {
354 syslog( LOG_ERR, "lp_open %s: %m", name );
355 spoolerror( out, NULL );
359 if (lp.lp_person != NULL) {
360 if ((pwent = getpwnam(lp.lp_person)) == NULL) {
361 syslog(LOG_ERR, "getpwnam %s: no such user", lp.lp_person);
362 spoolerror( out, NULL );
366 if ((pwent = getpwnam(printer->p_operator)) == NULL) {
367 syslog(LOG_ERR, "getpwnam %s: no such user", printer->p_operator);
368 spoolerror( out, NULL );
373 if (fchown(fd, pwent->pw_uid, -1) < 0) {
374 syslog(LOG_ERR, "chown %s %s: %m", pwent->pw_name, name);
375 spoolerror( out, NULL );
379 if (( lp.lp_stream = fdopen( fd, "w" )) == NULL ) {
380 syslog( LOG_ERR, "lp_open fdopen: %m" );
381 spoolerror( out, NULL );
385 lp.lp_flags |= LP_OPEN;
392 if (( lp.lp_flags & LP_INIT ) == 0 || ( lp.lp_flags & LP_OPEN ) == 0 ) {
395 fclose( lp.lp_stream );
397 lp.lp_flags &= ~LP_OPEN;
405 if (( lp.lp_flags & LP_OPEN ) == 0 ) {
409 if ( fwrite( buf, 1, len, lp.lp_stream ) != len ) {
410 syslog( LOG_ERR, "lp_write: %m" );
418 char name[ MAXPATHLEN ];
421 if (( lp.lp_flags & LP_INIT ) == 0 || lp.lp_letter == 'A' ) {
425 if ( lp.lp_flags & LP_OPEN ) {
429 for ( letter = 'A'; letter < lp.lp_letter; letter++ ) {
430 sprintf( name, "df%c%03d%s", letter, lp.lp_seq, hostname );
431 if ( unlink( name ) < 0 ) {
432 syslog( LOG_ERR, "lp_cancel unlink %s: %m", name );
440 * Create printcap control file, signal printer. Errors here should
441 * remove queue files.
447 char buf[ MAXPATHLEN ];
448 char tfname[ MAXPATHLEN ];
449 char cfname[ MAXPATHLEN ];
454 if (( lp.lp_flags & LP_INIT ) == 0 || lp.lp_letter == 'A' ) {
459 if ( printer->p_flags & P_SPOOLED ) {
460 sprintf( tfname, "tfA%03d%s", lp.lp_seq, hostname );
461 if (( fd = open( tfname, O_WRONLY|O_EXCL|O_CREAT, 0660 )) < 0 ) {
462 syslog( LOG_ERR, "lp_print %s: %m", tfname );
465 if (( cfile = fdopen( fd, "w" )) == NULL ) {
466 syslog( LOG_ERR, "lp_print %s: %m", tfname );
469 fprintf( cfile, "H%s\n", hostname ); /* XXX lp_host? */
471 if ( lp.lp_person ) {
472 fprintf( cfile, "P%s\n", lp.lp_person );
474 fprintf( cfile, "P%s\n", printer->p_operator );
477 if ( lp.lp_job && *lp.lp_job ) {
478 fprintf( cfile, "J%s\n", lp.lp_job );
479 fprintf( cfile, "T%s\n", lp.lp_job );
481 fprintf( cfile, "JMac Job\n" );
482 fprintf( cfile, "TMac Job\n" );
485 fprintf( cfile, "C%s\n", hostname ); /* XXX lp_host? */
487 if ( lp.lp_person ) {
488 fprintf( cfile, "L%s\n", lp.lp_person );
490 fprintf( cfile, "L%s\n", printer->p_operator );
493 for ( letter = 'A'; letter < lp.lp_letter; letter++ ) {
494 fprintf( cfile, "fdf%c%03d%s\n", letter, lp.lp_seq, hostname );
495 fprintf( cfile, "Udf%c%03d%s\n", letter, lp.lp_seq, hostname );
498 if ( lp.lp_job && *lp.lp_job ) {
499 fprintf( cfile, "N%s\n", lp.lp_job );
501 fprintf( cfile, "NMac Job\n" );
505 sprintf( cfname, "cfA%03d%s", lp.lp_seq, hostname );
506 if ( link( tfname, cfname ) < 0 ) {
507 syslog( LOG_ERR, "lp_print can't link %s to %s: %m", cfname,
513 if (( s = lp_conn_unix()) < 0 ) {
514 syslog( LOG_ERR, "lp_print: lp_conn_unix: %m" );
518 sprintf( buf, "\1%s\n", printer->p_printer );
520 if ( write( s, buf, n ) != n ) {
521 syslog( LOG_ERR, "lp_print write: %m" );
524 if ( read( s, buf, 1 ) != 1 ) {
525 syslog( LOG_ERR, "lp_print read: %m" );
529 lp_disconn_unix( s );
531 if ( buf[ 0 ] != '\0' ) {
532 syslog( LOG_ERR, "lp_print lpd said %c: %m", buf[ 0 ] );
536 syslog( LOG_INFO, "lp_print queued" );
540 lp_disconn_unix( fd )
542 return( close( fd ));
548 struct sockaddr_un saun;
550 if (( s = socket( AF_UNIX, SOCK_STREAM, 0 )) < 0 ) {
551 syslog( LOG_ERR, "lp_conn_unix socket: %m" );
554 bzero( &saun, sizeof( struct sockaddr_un ));
555 saun.sun_family = AF_UNIX;
556 strcpy( saun.sun_path, _PATH_DEVPRINTER );
557 if ( connect( s, (struct sockaddr *)&saun,
558 strlen( saun.sun_path ) + 2 ) < 0 ) {
559 syslog( LOG_ERR, "lp_conn_unix connect %s: %m", saun.sun_path );
567 lp_disconn_inet( fd )
569 return( close( fd ));
574 int privfd, port = IPPORT_RESERVED - 1;
575 struct sockaddr_in sin;
579 if (( sp = getservbyname( "printer", "tcp" )) == NULL ) {
580 syslog( LOG_ERR, "printer/tcp: unknown service\n" );
584 if ( gethostname( hostname, sizeof( hostname )) < 0 ) {
585 syslog( LOG_ERR, "gethostname: %m" );
589 if (( hp = gethostbyname( hostname )) == NULL ) {
590 syslog( LOG_ERR, "%s: unknown host\n", hostname );
594 if (( privfd = rresvport( &port )) < 0 ) {
595 syslog( LOG_ERR, "lp_connect: socket: %m" );
600 bzero( &sin, sizeof( struct sockaddr_in ));
601 sin.sin_family = AF_INET;
602 /* sin.sin_addr.s_addr = htonl( INADDR_LOOPBACK ); */
603 bcopy( hp->h_addr, &sin.sin_addr, hp->h_length );
604 sin.sin_port = sp->s_port;
606 if ( connect( privfd, (struct sockaddr *)&sin,
607 sizeof( struct sockaddr_in )) < 0 ) {
608 syslog( LOG_ERR, "lp_connect: %m" );
622 if (( s = lp_conn_inet()) < 0 ) {
623 syslog( LOG_ERR, "lp_rmjob: %m" );
627 if ( lp.lp_person == NULL ) {
631 sprintf( buf, "\5%s %s %d\n", printer->p_printer, lp.lp_person, job );
633 if ( write( s, buf, n ) != n ) {
634 syslog( LOG_ERR, "lp_rmjob write: %m" );
635 lp_disconn_inet( s );
638 while (( n = read( s, buf, sizeof( buf ))) > 0 ) {
639 syslog( LOG_DEBUG, "read %.*s", n, buf );
642 lp_disconn_inet( s );
646 char *kw_rank = "Rank";
647 char *kw_active = "active";
649 char *tag_rank = "rank: ";
650 char *tag_owner = "owner: ";
651 char *tag_job = "job: ";
652 char *tag_files = "files: ";
653 char *tag_size = "size: ";
654 char *tag_status = "status: ";
659 char buf[ 1024 ], *start, *stop, *p, *q;
660 int linelength, crlflength;
661 static struct papfile pf;
664 if (( s = lp_conn_unix()) < 0 ) {
665 syslog( LOG_ERR, "lp_queue: %m" );
669 sprintf( buf, "\3%s\n", printer->p_printer );
671 if ( write( s, buf, n ) != n ) {
672 syslog( LOG_ERR, "lp_queue write: %m" );
673 lp_disconn_unix( s );
676 pf.pf_state = PF_BOT;
678 while (( n = read( s, buf, sizeof( buf ))) > 0 ) {
679 append( &pf, buf, n );
683 if ( markline( &pf, &start, &linelength, &crlflength ) > 0 ) {
685 stop = start + linelength;
686 for ( p = start; p < stop; p++ ) {
687 if ( *p == ' ' || *p == '\t' ) {
692 CONSUME( &pf , linelength + crlflength);
697 * Keys: "Rank", a number, "active"
698 * Anything else is status.
701 if ( len == strlen( kw_rank ) &&
702 strncmp( kw_rank, start, len ) == 0 ) {
703 CONSUME( &pf, linelength + crlflength );
706 if (( len == strlen( kw_active ) &&
707 strncmp( kw_active, start, len ) == 0 ) ||
708 isdigit( *start )) { /* a job line */
709 append( out, tag_rank, strlen( tag_rank ));
710 append( out, start, p - start );
711 append( out, "\n", 1 );
713 for ( ; p < stop; p++ ) {
714 if ( *p != ' ' && *p != '\t' ) {
718 for ( q = p; p < stop; p++ ) {
719 if ( *p == ' ' || *p == '\t' ) {
724 append( out, ".\n", 2 );
725 CONSUME( &pf, linelength + crlflength );
728 append( out, tag_owner, strlen( tag_owner ));
729 append( out, q, p - q );
730 append( out, "\n", 1 );
732 for ( ; p < stop; p++ ) {
733 if ( *p != ' ' && *p != '\t' ) {
737 for ( q = p; p < stop; p++ ) {
738 if ( *p == ' ' || *p == '\t' ) {
743 append( out, ".\n", 2 );
744 CONSUME( &pf , linelength + crlflength );
747 append( out, tag_job, strlen( tag_job ));
748 append( out, q, p - q );
749 append( out, "\n", 1 );
751 for ( ; p < stop; p++ ) {
752 if ( *p != ' ' && *p != '\t' ) {
756 for ( q = p, p = stop; p > q; p-- ) {
757 if ( *p == ' ' || *p == '\t' ) {
761 for ( ; p > q; p-- ) {
762 if ( *p != ' ' && *p != '\t' ) {
766 for ( ; p > q; p-- ) {
767 if ( *p == ' ' || *p == '\t' ) {
772 append( out, ".\n", 2 );
773 CONSUME( &pf, linelength + crlflength );
776 append( out, tag_files, strlen( tag_files ));
777 append( out, q, p - q );
778 append( out, "\n", 1 );
780 for ( ; p < stop; p++ ) {
781 if ( *p != ' ' && *p != '\t' ) {
785 append( out, tag_size, strlen( tag_size ));
786 append( out, p, stop - p );
787 append( out, "\n.\n", 3 );
789 CONSUME( &pf, linelength + crlflength );
794 append( out, tag_status, strlen( tag_status ));
795 append( out, start, linelength );
796 append( out, "\n.\n", 3 );
798 CONSUME( &pf, linelength + crlflength );
800 append( out, "*\n", 2 );
801 lp_disconn_unix( s );