2 * $Id: main.c,v 1.18.6.1 2004-05-12 21:21:49 didg Exp $
4 * Copyright (c) 1990,1995 Regents of The University of Michigan.
5 * All Rights Reserved. See COPYRIGHT.
10 #endif /* HAVE_CONFIG_H */
14 #include <sys/param.h>
17 #if defined( sun ) && defined( __svr4__ )
18 #include </usr/ucbinclude/sys/file.h>
19 #else /* sun && __svr4__ */
21 #endif /* sun && __svr4__ */
22 #include <sys/socket.h>
23 #include <atalk/logger.h>
25 /* POSIX.1 sys/wait.h check */
26 #include <sys/types.h>
27 #ifdef HAVE_SYS_WAIT_H
29 #endif /* HAVE_SYS_WAIT_H */
31 #define WEXITSTATUS(stat_val) ((unsigned)(stat_val) >> 8)
32 #endif /* ! WEXITSTATUS */
34 #define WIFEXITED(stat_val) (((stat_val) & 255) == 0)
35 #endif /* ! WIFEXITED */
42 #else /* STDC_HEADERS */
46 #endif /* HAVE_STRCHR */
47 char *strchr (), *strrchr ();
49 #define memcpy(d,s,n) bcopy ((s), (d), (n))
50 #define memmove(d,s,n) bcopy ((s), (d), (n))
51 #endif /* ! HAVE_MEMCPY */
52 #endif /* STDC_HEADERS */
61 #endif /* HAVE_UNISTD_H */
63 #include <netatalk/endian.h>
64 #include <netatalk/at.h>
65 #include <atalk/compat.h>
66 #include <atalk/atp.h>
67 #include <atalk/pap.h>
68 #include <atalk/paths.h>
69 #include <atalk/util.h>
70 #include <atalk/nbp.h>
77 #define _PATH_PAPDPPDFILE ".ppd"
79 #define PIPED_STATUS "status: print spooler processing job"
81 struct printer defprinter;
82 struct printer *printers = NULL;
85 static char *conffile = _PATH_PAPDCONF;
86 char *printcap = _PATH_PAPDPRINTCAP;
87 unsigned char connid, quantum, sock, oquantum = PAP_MAXQUANTUM;
88 char *cannedstatus = PIPED_STATUS;
89 struct printer *printer = NULL;
90 char *version = VERSION;
91 static char *pidfile = _PATH_PAPDLOCK;
94 char *uampath = _PATH_PAPDUAMPATH;
96 /* Prototypes for locally used functions */
97 int getstatus( struct printer *pr, char *buf );
98 int rprintcap( struct printer *pr );
99 static void getprinters( char *cf );
102 /* this only needs to be used by the server process */
103 static void papd_exit(const int i)
105 server_unlock(pidfile);
110 #if !defined( ibm032 ) && !defined( _IBMR2 )
112 #endif /* ! ibm032 && ! _IBMR2 */
119 memset(&addr, 0, sizeof(addr));
121 for ( pr = printers; pr; pr = pr->p_next ) {
122 if ( pr->p_flags & P_REGISTERED ) {
123 if ( nbp_unrgstr( pr->p_name, pr->p_type, pr->p_zone, &addr ) < 0 ) {
124 LOG(log_error, logtype_papd, "can't unregister %s:%s@%s", pr->p_name,
125 pr->p_type, pr->p_zone );
128 LOG(log_error, logtype_papd, "unregister %s:%s@%s", pr->p_name, pr->p_type,
135 #if !defined( ibm032 ) && !defined( _IBMR2 )
137 #endif /* ! ibm032 && ! _IBMR2 */
143 while (( pid = wait3( &status, WNOHANG, 0 )) > 0 ) {
144 if ( WIFEXITED( status )) {
145 if ( WEXITSTATUS( status )) {
146 LOG(log_error, logtype_papd, "child %d exited with %d", pid,
147 WEXITSTATUS( status ));
149 LOG(log_info, logtype_papd, "child %d done", pid );
152 if ( WIFSIGNALED( status )) {
153 LOG(log_error, logtype_papd, "child %d killed with %d", pid,
156 LOG(log_error, logtype_papd, "child %d died", pid );
163 char rbuf[ 255 + 1 + 8 ];
172 struct atp_block atpb;
173 struct sockaddr_at sat;
178 char *p, hostname[ MAXHOSTNAMELEN ];
182 if ( gethostname( hostname, sizeof( hostname )) < 0 ) {
183 perror( "gethostname" );
186 if (( p = strchr( hostname, '.' )) != 0 ) {
189 if (( defprinter.p_name = (char *)malloc( strlen( hostname ) + 1 ))
194 strcpy( defprinter.p_name, hostname );
195 defprinter.p_type = "LaserWriter";
196 defprinter.p_zone = "*";
197 memset(&defprinter.p_addr, 0, sizeof(defprinter.p_addr));
198 defprinter.p_ppdfile = _PATH_PAPDPPDFILE;
200 defprinter.p_flags = P_PIPED;
201 defprinter.p_printer = "/usr/bin/lp -T PS";
203 defprinter.p_flags = P_SPOOLED;
204 defprinter.p_printer = "lp";
205 #endif /* __svr4__ */
206 defprinter.p_operator = "operator";
207 defprinter.p_spool = _PATH_PAPDSPOOLDIR;
209 defprinter.p_role = NULL;
210 defprinter.p_srvid = 0;
211 #endif /* ABS_PRINT */
212 defprinter.p_pagecost = 200; /* default cost */
213 defprinter.p_pagecost_msg = NULL;
214 defprinter.p_lock = "lock";
216 while (( c = getopt( ac, av, "adf:p:P:v" )) != EOF ) {
218 case 'a' : /* for compatibility with old papd */
221 case 'd' : /* debug */
225 case 'f' : /* conffile */
229 case 'p' : /* printcap */
237 case 'v' : /* version */
238 printf( "papd (version %s)\n", VERSION );
244 "Usage:\t%s [ -d ] [ -f conffile ] [ -p printcap ]\n",
250 getprinters( conffile );
252 switch (server_lock("papd", pidfile, debug)) {
253 case 0: /* open a couple things again in the child */
254 if ((c = open("/", O_RDONLY)) >= 0) {
268 if (( p = strrchr( av[ 0 ], '/' )) == NULL ) {
274 openlog( p, LOG_PID );
277 syslog_setup(log_debug, logtype_default, logoption_ndelay|logoption_pid, logfacility_lpr );
280 LOG(log_info, logtype_papd, "restart (%s)", version );
282 for ( pr = printers; pr; pr = pr->p_next ) {
283 if (( pr->p_flags & P_SPOOLED ) && rprintcap( pr ) < 0 ) {
284 LOG(log_error, logtype_papd, "printcap problem: %s", pr->p_printer );
286 if (( pr->p_atp = atp_open( ATADDR_ANYPORT, &pr->p_addr )) == NULL ) {
287 LOG(log_error, logtype_papd, "atp_open: %m" );
290 if ( nbp_rgstr( atp_sockaddr( pr->p_atp ), pr->p_name, pr->p_type,
292 LOG(log_error, logtype_papd, "can't register %s:%s@%s", pr->p_name, pr->p_type,
296 if ( pr->p_flags & P_AUTH ) {
297 LOG(log_info, logtype_papd, "Authentication enabled: %s", pr->p_name );
300 LOG(log_info, logtype_papd, "Authentication disabled: %s", pr->p_name );
302 LOG(log_info, logtype_papd, "register %s:%s@%s", pr->p_name, pr->p_type,
304 pr->p_flags |= P_REGISTERED;
307 memset(&sv, 0, sizeof(sv));
309 sigemptyset( &sv.sa_mask );
310 sv.sa_flags = SA_RESTART;
311 if ( sigaction( SIGTERM, &sv, 0 ) < 0 ) {
312 LOG(log_error, logtype_papd, "sigaction: %m" );
316 sv.sa_handler = reap;
317 sigemptyset( &sv.sa_mask );
318 sv.sa_flags = SA_RESTART;
319 if ( sigaction( SIGCHLD, &sv, 0 ) < 0 ) {
320 LOG(log_error, logtype_papd, "sigaction: %m" );
327 auth_load(uampath, uamlist);
330 * Begin accepting connections.
334 for ( pr = printers; pr; pr = pr->p_next ) {
335 FD_SET( atp_fileno( pr->p_atp ), &fdset );
337 if (( c = select( FD_SETSIZE, &fdset, 0, 0, 0 )) < 0 ) {
338 if ( errno == EINTR ) {
341 LOG(log_error, logtype_papd, "select: %m" );
345 for ( pr = printers; pr; pr = pr->p_next ) {
346 if ( FD_ISSET( atp_fileno( pr->p_atp ), &fdset )) {
349 memset( &sat, 0, sizeof( struct sockaddr_at ));
351 sat.sat_len = sizeof( struct sockaddr_at );
353 sat.sat_family = AF_APPLETALK;
354 sat.sat_addr.s_net = ATADDR_ANYNET;
355 sat.sat_addr.s_node = ATADDR_ANYNODE;
356 sat.sat_port = ATADDR_ANYPORT;
357 /* do an atp_rsel(), to prevent hangs */
358 if (( c = atp_rsel( pr->p_atp, &sat, ATP_TREQ )) != ATP_TREQ ) {
361 atpb.atp_saddr = &sat;
362 atpb.atp_rreqdata = cbuf;
363 atpb.atp_rreqdlen = sizeof( cbuf );
364 if ( atp_rreq( pr->p_atp, &atpb ) < 0 ) {
365 LOG(log_error, logtype_papd, "atp_rreq: %m" );
369 /* should check length of req buf */
371 switch( cbuf[ 1 ] ) {
373 connid = (unsigned char)cbuf[ 0 ];
374 sock = (unsigned char)cbuf[ 4 ];
375 quantum = (unsigned char)cbuf[ 5 ];
376 rbuf[ 0 ] = cbuf[ 0 ];
377 rbuf[ 1 ] = PAP_OPENREPLY;
378 rbuf[ 2 ] = rbuf[ 3 ] = 0;
380 if (( pr->p_flags & P_SPOOLED ) && rprintcap( pr ) != 0 ) {
381 LOG(log_error, logtype_papd, "printcap problem: %s",
383 rbuf[ 2 ] = rbuf[ 3 ] = 0xff;
388 * If this fails, we've run out of sockets. Rather than
389 * just die(), let's try to continue. Maybe some sockets
390 * will close, and we can continue;
392 if (( atp = atp_open( ATADDR_ANYPORT,
393 &pr->p_addr)) == NULL ) {
394 LOG(log_error, logtype_papd, "atp_open: %m" );
395 rbuf[ 2 ] = rbuf[ 3 ] = 0xff;
398 rbuf[ 4 ] = atp_sockaddr( atp )->sat_port;
399 rbuf[ 5 ] = oquantum;
400 rbuf[ 6 ] = rbuf[ 7 ] = 0;
403 iov.iov_len = 8 + getstatus( pr, &rbuf[ 8 ] );
404 atpb.atp_sresiov = &iov;
405 atpb.atp_sresiovcnt = 1;
407 * This may error out if we lose a route, so we won't die().
409 if ( atp_sresp( pr->p_atp, &atpb ) < 0 ) {
410 LOG(log_error, logtype_papd, "atp_sresp: %m" );
418 switch ( c = fork()) {
420 LOG(log_error, logtype_papd, "fork: %m" );
426 if (( printer->p_flags & P_SPOOLED ) &&
427 chdir( printer->p_spool ) < 0 ) {
428 LOG(log_error, logtype_papd, "chdir %s: %m", printer->p_spool );
432 sv.sa_handler = SIG_DFL;
433 sigemptyset( &sv.sa_mask );
434 sv.sa_flags = SA_RESTART;
435 if ( sigaction( SIGTERM, &sv, 0 ) < 0 ) {
436 LOG(log_error, logtype_papd, "sigaction: %m" );
440 for ( pr = printers; pr; pr = pr->p_next ) {
441 atp_close( pr->p_atp );
444 if ( session( atp, &sat ) < 0 ) {
445 LOG(log_error, logtype_papd, "bad session" );
451 default : /* parent */
452 LOG(log_info, logtype_papd, "child %d for \"%s\" from %u.%u",
453 c, pr->p_name, ntohs( sat.sat_addr.s_net ),
454 sat.sat_addr.s_node);
459 case PAP_SENDSTATUS :
461 rbuf[ 1 ] = PAP_STATUS;
462 rbuf[ 2 ] = rbuf[ 3 ] = 0;
463 rbuf[ 4 ] = rbuf[ 5 ] = 0;
464 rbuf[ 6 ] = rbuf[ 7 ] = 0;
467 iov.iov_len = 8 + getstatus( pr, &rbuf[ 8 ] );
468 atpb.atp_sresiov = &iov;
469 atpb.atp_sresiovcnt = 1;
471 * This may error out if we lose a route, so we won't die().
473 if ( atp_sresp( pr->p_atp, &atpb ) < 0 ) {
474 LOG(log_error, logtype_papd, "atp_sresp: %m" );
479 LOG(log_error, logtype_papd, "Bad request from %u.%u!",
480 ntohs( sat.sat_addr.s_net ), sat.sat_addr.s_node );
487 * Sometimes the child process will send its first READ
488 * before the parent has sent the OPEN REPLY. Moving this
489 * code into the OPEN/STATUS switch fixes this problem.
492 iov.iov_len = 8 + getstatus( pr, &rbuf[ 8 ] );
493 atpb.atp_sresiov = &iov;
494 atpb.atp_sresiovcnt = 1;
496 * This may error out if we lose a route, so we won't die().
498 if ( atp_sresp( pr->p_atp, &atpb ) < 0 ) {
499 LOG(log_error, logtype_papd, "atp_sresp: %m" );
509 * We assume buf is big enough for 255 bytes of data and a length byte.
512 int getstatus( pr, buf )
516 char path[ MAXPATHLEN ];
519 if ( pr->p_flags & P_SPOOLED && ( pr->p_spool != NULL )) {
520 strcpy( path, pr->p_spool );
521 strcat( path, "/status" );
522 fd = open( path, O_RDONLY);
525 if (( pr->p_flags & P_PIPED ) || ( fd < 0 )) {
526 *buf = strlen( cannedstatus );
527 strncpy( &buf[ 1 ], cannedstatus, *buf );
530 if (( rc = read( fd, &buf[ 1 ], 255 )) < 0 ) {
534 if ( rc && buf[ rc ] == '\n' ) { /* remove trailing newline */
543 char *getpname(char **area, int bufsize);
545 #define PF_CONFBUFFER 1024
547 static void getprinters( cf )
550 char buf[ PF_CONFBUFFER ], area[ PF_CONFBUFFER ], *a, *p, *name, *type, *zone;
554 while (( c = getprent( cf, buf, PF_CONFBUFFER )) > 0 ) {
557 * Get the printer's nbp name.
559 if (( p = getpname( &a, PF_CONFBUFFER )) == NULL ) {
560 fprintf( stderr, "No printer name\n" );
564 if (( pr = (struct printer *)malloc( sizeof( struct printer )))
569 memset( pr, 0, sizeof( struct printer ));
571 name = defprinter.p_name;
572 type = defprinter.p_type;
573 zone = defprinter.p_zone;
574 if ( nbp_name( p, &name, &type, &zone )) {
575 fprintf( stderr, "Can't parse \"%s\"\n", name );
578 if ( name != defprinter.p_name ) {
579 if (( pr->p_name = (char *)malloc( strlen( name ) + 1 )) == NULL ) {
583 strcpy( pr->p_name, name );
587 if ( type != defprinter.p_type ) {
588 if (( pr->p_type = (char *)malloc( strlen( type ) + 1 )) == NULL ) {
592 strcpy( pr->p_type, type );
596 if ( zone != defprinter.p_zone ) {
597 if (( pr->p_zone = (char *)malloc( strlen( zone ) + 1 )) == NULL ) {
601 strcpy( pr->p_zone, zone );
606 if ( pnchktc( cf ) != 1 ) {
607 fprintf( stderr, "Bad papcap entry\n" );
614 if (( p = pgetstr( "pd", &a )) == NULL ) {
615 pr->p_ppdfile = defprinter.p_ppdfile;
617 if (( pr->p_ppdfile = (char *)malloc( strlen( p ) + 1 )) == NULL ) {
621 strcpy( pr->p_ppdfile, p );
625 * Get lpd printer name.
627 if (( p = pgetstr( "pr", &a )) == NULL ) {
628 pr->p_printer = defprinter.p_printer;
629 pr->p_flags = defprinter.p_flags;
633 pr->p_flags = P_PIPED;
635 pr->p_flags = P_SPOOLED;
637 if (( pr->p_printer = (char *)malloc( strlen( p ) + 1 )) == NULL ) {
641 strcpy( pr->p_printer, p );
645 * Do we want authenticated printing?
647 if ((p = pgetstr( "ca", &a )) != NULL ) {
648 if ((pr->p_authprintdir = (char *)malloc(strlen(p)+1)) == NULL) {
652 strcpy( pr->p_authprintdir, p );
653 pr->p_flags |= P_AUTH;
654 pr->p_flags |= P_AUTH_CAP;
655 } else { pr->p_authprintdir = NULL; }
657 if ( pgetflag( "sp" ) == 1 ) {
658 pr->p_flags |= P_AUTH;
659 pr->p_flags |= P_AUTH_PSSP;
662 if ((p = pgetstr("am", &a)) != NULL ) {
663 if ((uamlist = (char *)malloc(strlen(p)+1)) == NULL ) {
670 if ( pr->p_flags & P_SPOOLED ) {
674 if (( p = pgetstr( "op", &a )) == NULL ) {
675 pr->p_operator = defprinter.p_operator;
677 if (( pr->p_operator = (char *)malloc( strlen( p ) + 1 ))
682 strcpy( pr->p_operator, p );
686 /* get printer's appletalk address. */
687 if (( p = pgetstr( "pa", &a )) == NULL )
688 memcpy(&pr->p_addr, &defprinter.p_addr, sizeof(pr->p_addr));
690 atalk_aton(p, &pr->p_addr);
692 pr->p_next = printers;
697 } else { /* No capability file, do default */
698 printers = &defprinter;
705 char buf[ 1024 ], area[ 1024 ], *a, *p;
709 * Spool directory from printcap file.
711 if ( pr->p_flags & P_SPOOLED ) {
712 if ( pgetent( printcap, buf, pr->p_printer ) != 1 ) {
713 LOG(log_error, logtype_papd, "No such printer: %s", pr->p_printer );
720 if ( pr->p_spool != NULL && pr->p_spool != defprinter.p_spool ) {
724 if (( p = pgetstr( "sd", &a )) == NULL ) {
725 pr->p_spool = defprinter.p_spool;
727 if (( pr->p_spool = (char *)malloc( strlen( p ) + 1 )) == NULL ) {
728 LOG(log_error, logtype_papd, "malloc: %m" );
731 strcpy( pr->p_spool, p );
738 if ( pgetstr( "af", &a ) == NULL ) {
739 pr->p_flags &= ~P_ACCOUNT;
741 pr->p_flags |= P_ACCOUNT;
743 if ( pr->p_role != NULL && pr->p_role != defprinter.p_role ) {
747 if (( p = pgetstr( "ro", &a )) == NULL ) {
748 pr->p_role = defprinter.p_role;
751 (char *)malloc( strlen( p ) + 1 )) == NULL ) {
752 LOG(log_error, logtype_papd, "malloc: %m" );
755 strcpy( pr->p_role, p );
758 if (( c = pgetnum( "si" )) < 0 ) {
759 pr->p_srvid = defprinter.p_srvid;
763 #endif /* ABS_PRINT */
770 if ( pr->p_pagecost_msg != NULL &&
771 pr->p_pagecost_msg != defprinter.p_pagecost_msg ) {
772 free( pr->p_pagecost_msg );
775 if (( p = pgetstr( "pc", &a )) != NULL ) {
776 if (( pr->p_pagecost_msg =
777 (char *)malloc( strlen( p ) + 1 )) == NULL ) {
778 LOG(log_error, logtype_papd, "malloc: %m" );
781 strcpy( pr->p_pagecost_msg, p );
783 } else if ( pr->p_flags & P_ACCOUNT ) {
784 if (( c = pgetnum( "pc" )) < 0 ) {
785 pr->p_pagecost = defprinter.p_pagecost;
789 pr->p_pagecost_msg = NULL;
795 if ( pr->p_lock != NULL && pr->p_lock != defprinter.p_lock ) {
799 if (( p = pgetstr( "lo", &a )) == NULL ) {
800 pr->p_lock = defprinter.p_lock;
802 if (( pr->p_lock = (char *)malloc( strlen( p ) + 1 )) == NULL ) {
803 LOG(log_error, logtype_papd, "malloc: %m" );
806 strcpy( pr->p_lock, p );
811 * Must Kerberos authenticate?
813 if ( pgetflag( "ka" ) == 1 ) {
814 pr->p_flags |= P_KRB;
816 pr->p_flags &= ~P_KRB;