2 * $Id: main.c,v 1.11 2001-09-06 20:00:59 rufustfirefly Exp $
4 * Copyright (c) 1990,1995 Regents of The University of Michigan.
5 * All Rights Reserved. See COPYRIGHT.
10 #endif /* HAVE_CONFIG_H */
12 #include <sys/param.h>
15 #if defined( sun ) && defined( __svr4__ )
16 #include </usr/ucbinclude/sys/file.h>
17 #else /* sun && __svr4__ */
19 #endif /* sun && __svr4__ */
20 #include <sys/socket.h>
21 #include <sys/syslog.h>
23 /* POSIX.1 sys/wait.h check */
24 #include <sys/types.h>
25 #ifdef HAVE_SYS_WAIT_H
27 #endif /* HAVE_SYS_WAIT_H */
29 #define WEXITSTATUS(stat_val) ((unsigned)(stat_val) >> 8)
30 #endif /* ! WEXITSTATUS */
32 #define WIFEXITED(stat_val) (((stat_val) & 255) == 0)
33 #endif /* ! WIFEXITED */
40 #else /* STDC_HEADERS */
44 #endif /* HAVE_STRCHR */
45 char *strchr (), *strrchr ();
47 #define memcpy(d,s,n) bcopy ((s), (d), (n))
48 #define memmove(d,s,n) bcopy ((s), (d), (n))
49 #endif /* ! HAVE_MEMCPY */
50 #endif /* STDC_HEADERS */
59 #endif /* HAVE_UNISTD_H */
61 #include <netatalk/endian.h>
62 #include <netatalk/at.h>
63 #include <atalk/compat.h>
64 #include <atalk/atp.h>
65 #include <atalk/pap.h>
66 #include <atalk/paths.h>
67 #include <atalk/util.h>
68 #include <atalk/nbp.h>
75 #define _PATH_PAPDPPDFILE ".ppd"
77 #define PIPED_STATUS "status: print spooler processing job"
79 struct printer defprinter;
80 struct printer *printers = NULL;
83 char *conffile = _PATH_PAPDCONF;
84 char *printcap = _PATH_PAPDPRINTCAP;
85 unsigned char connid, quantum, sock, oquantum = PAP_MAXQUANTUM;
86 char *cannedstatus = PIPED_STATUS;
87 struct printer *printer = NULL;
88 char *version = VERSION;
89 static char *pidfile = _PATH_PAPDLOCK;
92 char *uampath = _PATH_PAPDUAMPATH;
94 /* Prototypes for locally used functions */
95 int getstatus( struct printer *pr, char *buf );
96 int rprintcap( struct printer *pr );
97 void getprinters( char *cf );
100 /* this only needs to be used by the server process */
101 static void papd_exit(const int i)
103 server_unlock(pidfile);
108 #if !defined( ibm032 ) && !defined( _IBMR2 )
110 #endif /* ! ibm032 && ! _IBMR2 */
117 memset(&addr, 0, sizeof(addr));
119 for ( pr = printers; pr; pr = pr->p_next ) {
120 if ( pr->p_flags & P_REGISTERED ) {
121 if ( nbp_unrgstr( pr->p_name, pr->p_type, pr->p_zone, &addr ) < 0 ) {
122 syslog( LOG_ERR, "can't unregister %s:%s@%s\n", pr->p_name,
123 pr->p_type, pr->p_zone );
126 syslog( LOG_ERR, "unregister %s:%s@%s\n", pr->p_name, pr->p_type,
133 #if !defined( ibm032 ) && !defined( _IBMR2 )
135 #endif /* ! ibm032 && ! _IBMR2 */
141 while (( pid = wait3( &status, WNOHANG, 0 )) > 0 ) {
142 if ( WIFEXITED( status )) {
143 if ( WEXITSTATUS( status )) {
144 syslog( LOG_ERR, "child %d exited with %d", pid,
145 WEXITSTATUS( status ));
147 syslog( LOG_INFO, "child %d done", pid );
150 if ( WIFSIGNALED( status )) {
151 syslog( LOG_ERR, "child %d killed with %d", pid,
154 syslog( LOG_ERR, "child %d died", pid );
161 char rbuf[ 255 + 1 + 8 ];
170 struct atp_block atpb;
171 struct sockaddr_at sat;
176 char *p, hostname[ MAXHOSTNAMELEN ];
180 if ( gethostname( hostname, sizeof( hostname )) < 0 ) {
181 perror( "gethostname" );
184 if (( p = strchr( hostname, '.' )) != 0 ) {
187 if (( defprinter.p_name = (char *)malloc( strlen( hostname ) + 1 ))
192 strcpy( defprinter.p_name, hostname );
193 defprinter.p_type = "LaserWriter";
194 defprinter.p_zone = "*";
195 memset(&defprinter.p_addr, 0, sizeof(defprinter.p_addr));
196 defprinter.p_ppdfile = _PATH_PAPDPPDFILE;
198 defprinter.p_flags = P_PIPED;
199 defprinter.p_printer = "/usr/bin/lp -T PS";
201 defprinter.p_flags = P_SPOOLED;
202 defprinter.p_printer = "lp";
203 #endif /* __svr4__ */
204 defprinter.p_operator = "operator";
205 defprinter.p_spool = _PATH_PAPDSPOOLDIR;
207 defprinter.p_role = NULL;
208 defprinter.p_srvid = 0;
209 #endif /* ABS_PRINT */
210 defprinter.p_pagecost = 200; /* default cost */
211 defprinter.p_pagecost_msg = NULL;
212 defprinter.p_lock = "lock";
214 while (( c = getopt( ac, av, "adf:p:P:" )) != EOF ) {
216 case 'a' : /* for compatibility with old papd */
219 case 'd' : /* debug */
223 case 'f' : /* conffile */
227 case 'p' : /* printcap */
237 "Usage:\t%s [ -d ] [ -f conffile ] [ -p printcap ]\n",
243 getprinters( conffile );
245 switch (server_lock("papd", pidfile, debug)) {
246 case 0: /* open a couple things again in the child */
247 if ((c = open("/", O_RDONLY)) >= 0) {
261 if (( p = strrchr( av[ 0 ], '/' )) == NULL ) {
267 openlog( p, LOG_PID );
269 openlog( p, LOG_NDELAY|LOG_PID, LOG_LPR );
272 syslog( LOG_INFO, "restart (%s)", version );
274 for ( pr = printers; pr; pr = pr->p_next ) {
275 if (( pr->p_flags & P_SPOOLED ) && rprintcap( pr ) < 0 ) {
276 syslog( LOG_ERR, "printcap problem: %s", pr->p_printer );
278 if (( pr->p_atp = atp_open( ATADDR_ANYPORT, &pr->p_addr )) == NULL ) {
279 syslog( LOG_ERR, "atp_open: %m" );
282 if ( nbp_rgstr( atp_sockaddr( pr->p_atp ), pr->p_name, pr->p_type,
284 syslog( LOG_ERR, "can't register %s:%s@%s", pr->p_name, pr->p_type,
288 if ( pr->p_flags & P_AUTH ) {
289 syslog( LOG_INFO, "Authentication enabled: %s", pr->p_name );
292 syslog( LOG_INFO, "Authentication disabled: %s", pr->p_name );
294 syslog( LOG_INFO, "register %s:%s@%s", pr->p_name, pr->p_type,
296 pr->p_flags |= P_REGISTERED;
299 memset(&sv, 0, sizeof(sv));
301 sigemptyset( &sv.sa_mask );
302 sv.sa_flags = SA_RESTART;
303 if ( sigaction( SIGTERM, &sv, 0 ) < 0 ) {
304 syslog( LOG_ERR, "sigaction: %m" );
308 sv.sa_handler = reap;
309 sigemptyset( &sv.sa_mask );
310 sv.sa_flags = SA_RESTART;
311 if ( sigaction( SIGCHLD, &sv, 0 ) < 0 ) {
312 syslog( LOG_ERR, "sigaction: %m" );
319 auth_load(uampath, uamlist);
322 * Begin accepting connections.
326 for ( pr = printers; pr; pr = pr->p_next ) {
327 FD_SET( atp_fileno( pr->p_atp ), &fdset );
329 if (( c = select( FD_SETSIZE, &fdset, 0, 0, 0 )) < 0 ) {
330 if ( errno == EINTR ) {
333 syslog( LOG_ERR, "select: %m" );
337 for ( pr = printers; pr; pr = pr->p_next ) {
338 if ( FD_ISSET( atp_fileno( pr->p_atp ), &fdset )) {
341 memset( &sat, 0, sizeof( struct sockaddr_at ));
343 sat.sat_len = sizeof( struct sockaddr_at );
345 sat.sat_family = AF_APPLETALK;
346 sat.sat_addr.s_net = ATADDR_ANYNET;
347 sat.sat_addr.s_node = ATADDR_ANYNODE;
348 sat.sat_port = ATADDR_ANYPORT;
349 /* do an atp_rsel(), to prevent hangs */
350 if (( c = atp_rsel( pr->p_atp, &sat, ATP_TREQ )) != ATP_TREQ ) {
353 atpb.atp_saddr = &sat;
354 atpb.atp_rreqdata = cbuf;
355 atpb.atp_rreqdlen = sizeof( cbuf );
356 if ( atp_rreq( pr->p_atp, &atpb ) < 0 ) {
357 syslog( LOG_ERR, "atp_rreq: %m" );
361 /* should check length of req buf */
363 switch( cbuf[ 1 ] ) {
365 connid = (unsigned char)cbuf[ 0 ];
366 sock = (unsigned char)cbuf[ 4 ];
367 quantum = (unsigned char)cbuf[ 5 ];
368 rbuf[ 0 ] = cbuf[ 0 ];
369 rbuf[ 1 ] = PAP_OPENREPLY;
370 rbuf[ 2 ] = rbuf[ 3 ] = 0;
372 if (( pr->p_flags & P_SPOOLED ) && rprintcap( pr ) != 0 ) {
373 syslog( LOG_ERR, "printcap problem: %s",
375 rbuf[ 2 ] = rbuf[ 3 ] = 0xff;
380 * If this fails, we've run out of sockets. Rather than
381 * just die(), let's try to continue. Maybe some sockets
382 * will close, and we can continue;
384 if (( atp = atp_open( ATADDR_ANYPORT,
385 &pr->p_addr)) == NULL ) {
386 syslog( LOG_ERR, "atp_open: %m" );
387 rbuf[ 2 ] = rbuf[ 3 ] = 0xff;
390 rbuf[ 4 ] = atp_sockaddr( atp )->sat_port;
391 rbuf[ 5 ] = oquantum;
392 rbuf[ 6 ] = rbuf[ 7 ] = 0;
395 iov.iov_len = 8 + getstatus( pr, &rbuf[ 8 ] );
396 atpb.atp_sresiov = &iov;
397 atpb.atp_sresiovcnt = 1;
399 * This may error out if we lose a route, so we won't die().
401 if ( atp_sresp( pr->p_atp, &atpb ) < 0 ) {
402 syslog( LOG_ERR, "atp_sresp: %m" );
410 switch ( c = fork()) {
412 syslog( LOG_ERR, "fork: %m" );
418 if (( printer->p_flags & P_SPOOLED ) &&
419 chdir( printer->p_spool ) < 0 ) {
420 syslog( LOG_ERR, "chdir %s: %m", printer->p_spool );
424 sv.sa_handler = SIG_DFL;
425 sigemptyset( &sv.sa_mask );
426 sv.sa_flags = SA_RESTART;
427 if ( sigaction( SIGTERM, &sv, 0 ) < 0 ) {
428 syslog( LOG_ERR, "sigaction: %m" );
432 for ( pr = printers; pr; pr = pr->p_next ) {
433 atp_close( pr->p_atp );
436 if ( session( atp, &sat ) < 0 ) {
437 syslog( LOG_ERR, "bad session" );
443 default : /* parent */
444 syslog( LOG_INFO, "child %d for \"%s\" from %u.%u",
445 c, pr->p_name, ntohs( sat.sat_addr.s_net ),
446 sat.sat_addr.s_node);
451 case PAP_SENDSTATUS :
453 rbuf[ 1 ] = PAP_STATUS;
454 rbuf[ 2 ] = rbuf[ 3 ] = 0;
455 rbuf[ 4 ] = rbuf[ 5 ] = 0;
456 rbuf[ 6 ] = rbuf[ 7 ] = 0;
459 iov.iov_len = 8 + getstatus( pr, &rbuf[ 8 ] );
460 atpb.atp_sresiov = &iov;
461 atpb.atp_sresiovcnt = 1;
463 * This may error out if we lose a route, so we won't die().
465 if ( atp_sresp( pr->p_atp, &atpb ) < 0 ) {
466 syslog( LOG_ERR, "atp_sresp: %m" );
471 syslog( LOG_ERR, "Bad request from %u.%u!",
472 ntohs( sat.sat_addr.s_net ), sat.sat_addr.s_node );
479 * Sometimes the child process will send its first READ
480 * before the parent has sent the OPEN REPLY. Moving this
481 * code into the OPEN/STATUS switch fixes this problem.
484 iov.iov_len = 8 + getstatus( pr, &rbuf[ 8 ] );
485 atpb.atp_sresiov = &iov;
486 atpb.atp_sresiovcnt = 1;
488 * This may error out if we lose a route, so we won't die().
490 if ( atp_sresp( pr->p_atp, &atpb ) < 0 ) {
491 syslog( LOG_ERR, "atp_sresp: %m" );
501 * We assume buf is big enough for 255 bytes of data and a length byte.
504 int getstatus( pr, buf )
508 char path[ MAXPATHLEN ];
511 if ( pr->p_flags & P_SPOOLED && ( pr->p_spool != NULL )) {
512 strcpy( path, pr->p_spool );
513 strcat( path, "/status" );
514 fd = open( path, O_RDONLY);
517 if (( pr->p_flags & P_PIPED ) || ( fd < 0 )) {
518 *buf = strlen( cannedstatus );
519 strncpy( &buf[ 1 ], cannedstatus, *buf );
522 if (( rc = read( fd, &buf[ 1 ], 255 )) < 0 ) {
526 if ( rc && buf[ rc ] == '\n' ) { /* remove trailing newline */
537 void getprinters( cf )
540 char buf[ 1024 ], area[ 1024 ], *a, *p, *name, *type, *zone;
544 while (( c = getprent( cf, buf )) > 0 ) {
547 * Get the printer's nbp name.
549 if (( p = getpname( &a )) == NULL ) {
550 fprintf( stderr, "No printer name\n" );
554 if (( pr = (struct printer *)malloc( sizeof( struct printer )))
559 memset( pr, 0, sizeof( struct printer ));
561 name = defprinter.p_name;
562 type = defprinter.p_type;
563 zone = defprinter.p_zone;
564 if ( nbp_name( p, &name, &type, &zone )) {
565 fprintf( stderr, "Can't parse \"%s\"\n", name );
568 if ( name != defprinter.p_name ) {
569 if (( pr->p_name = (char *)malloc( strlen( name ) + 1 )) == NULL ) {
573 strcpy( pr->p_name, name );
577 if ( type != defprinter.p_type ) {
578 if (( pr->p_type = (char *)malloc( strlen( type ) + 1 )) == NULL ) {
582 strcpy( pr->p_type, type );
586 if ( zone != defprinter.p_zone ) {
587 if (( pr->p_zone = (char *)malloc( strlen( zone ) + 1 )) == NULL ) {
591 strcpy( pr->p_zone, zone );
596 if ( pnchktc( cf ) != 1 ) {
597 fprintf( stderr, "Bad papcap entry\n" );
604 if (( p = pgetstr( "pd", &a )) == NULL ) {
605 pr->p_ppdfile = defprinter.p_ppdfile;
607 if (( pr->p_ppdfile = (char *)malloc( strlen( p ) + 1 )) == NULL ) {
611 strcpy( pr->p_ppdfile, p );
615 * Get lpd printer name.
617 if (( p = pgetstr( "pr", &a )) == NULL ) {
618 pr->p_printer = defprinter.p_printer;
619 pr->p_flags = defprinter.p_flags;
623 pr->p_flags = P_PIPED;
625 pr->p_flags = P_SPOOLED;
627 if (( pr->p_printer = (char *)malloc( strlen( p ) + 1 )) == NULL ) {
631 strcpy( pr->p_printer, p );
635 * Do we want authenticated printing?
637 if ((p = pgetstr( "ca", &a )) != NULL ) {
638 if ((pr->p_authprintdir = (char *)malloc(strlen(p)+1)) == NULL) {
642 strcpy( pr->p_authprintdir, p );
643 pr->p_flags |= P_AUTH;
644 pr->p_flags |= P_AUTH_CAP;
645 } else { pr->p_authprintdir = NULL; }
647 if ( pgetflag( "sp" ) == 1 ) {
648 pr->p_flags |= P_AUTH;
649 pr->p_flags |= P_AUTH_PSSP;
652 if ((p = pgetstr("am", &a)) != NULL ) {
653 if ((uamlist = (char *)malloc(strlen(p)+1)) == NULL ) {
660 if ( pr->p_flags & P_SPOOLED ) {
664 if (( p = pgetstr( "op", &a )) == NULL ) {
665 pr->p_operator = defprinter.p_operator;
667 if (( pr->p_operator = (char *)malloc( strlen( p ) + 1 ))
672 strcpy( pr->p_operator, p );
676 /* get printer's appletalk address. */
677 if (( p = pgetstr( "pa", &a )) == NULL )
678 memcpy(&pr->p_addr, &defprinter.p_addr, sizeof(pr->p_addr));
680 atalk_aton(p, &pr->p_addr);
682 pr->p_next = printers;
687 } else { /* No capability file, do default */
688 printers = &defprinter;
695 char buf[ 1024 ], area[ 1024 ], *a, *p;
699 * Spool directory from printcap file.
701 if ( pr->p_flags & P_SPOOLED ) {
702 if ( pgetent( printcap, buf, pr->p_printer ) != 1 ) {
703 syslog( LOG_ERR, "No such printer: %s", pr->p_printer );
710 if ( pr->p_spool != NULL && pr->p_spool != defprinter.p_spool ) {
714 if (( p = pgetstr( "sd", &a )) == NULL ) {
715 pr->p_spool = defprinter.p_spool;
717 if (( pr->p_spool = (char *)malloc( strlen( p ) + 1 )) == NULL ) {
718 syslog( LOG_ERR, "malloc: %m" );
721 strcpy( pr->p_spool, p );
728 if ( pgetstr( "af", &a ) == NULL ) {
729 pr->p_flags &= ~P_ACCOUNT;
731 pr->p_flags |= P_ACCOUNT;
733 if ( pr->p_role != NULL && pr->p_role != defprinter.p_role ) {
737 if (( p = pgetstr( "ro", &a )) == NULL ) {
738 pr->p_role = defprinter.p_role;
741 (char *)malloc( strlen( p ) + 1 )) == NULL ) {
742 syslog( LOG_ERR, "malloc: %m" );
745 strcpy( pr->p_role, p );
748 if (( c = pgetnum( "si" )) < 0 ) {
749 pr->p_srvid = defprinter.p_srvid;
753 #endif /* ABS_PRINT */
760 if ( pr->p_pagecost_msg != NULL &&
761 pr->p_pagecost_msg != defprinter.p_pagecost_msg ) {
762 free( pr->p_pagecost_msg );
765 if (( p = pgetstr( "pc", &a )) != NULL ) {
766 if (( pr->p_pagecost_msg =
767 (char *)malloc( strlen( p ) + 1 )) == NULL ) {
768 syslog( LOG_ERR, "malloc: %m" );
771 strcpy( pr->p_pagecost_msg, p );
773 } else if ( pr->p_flags & P_ACCOUNT ) {
774 if (( c = pgetnum( "pc" )) < 0 ) {
775 pr->p_pagecost = defprinter.p_pagecost;
779 pr->p_pagecost_msg = NULL;
785 if ( pr->p_lock != NULL && pr->p_lock != defprinter.p_lock ) {
789 if (( p = pgetstr( "lo", &a )) == NULL ) {
790 pr->p_lock = defprinter.p_lock;
792 if (( pr->p_lock = (char *)malloc( strlen( p ) + 1 )) == NULL ) {
793 syslog( LOG_ERR, "malloc: %m" );
796 strcpy( pr->p_lock, p );
801 * Must Kerberos authenticate?
803 if ( pgetflag( "ka" ) == 1 ) {
804 pr->p_flags |= P_KRB;
806 pr->p_flags &= ~P_KRB;