2 * $Id: main.c,v 1.18.6.2.2.6 2009-01-21 04:07:05 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>
18 #include <sys/socket.h>
19 #include <atalk/logger.h>
21 /* POSIX.1 sys/wait.h check */
22 #include <sys/types.h>
23 #ifdef HAVE_SYS_WAIT_H
25 #endif /* HAVE_SYS_WAIT_H */
27 #define WEXITSTATUS(stat_val) ((unsigned)(stat_val) >> 8)
28 #endif /* ! WEXITSTATUS */
30 #define WIFEXITED(stat_val) (((stat_val) & 255) == 0)
31 #endif /* ! WIFEXITED */
38 #else /* STDC_HEADERS */
42 #endif /* HAVE_STRCHR */
43 char *strchr (), *strrchr ();
45 #define memcpy(d,s,n) bcopy ((s), (d), (n))
46 #define memmove(d,s,n) bcopy ((s), (d), (n))
47 #endif /* ! HAVE_MEMCPY */
48 #endif /* STDC_HEADERS */
57 #endif /* HAVE_UNISTD_H */
59 #include <netatalk/endian.h>
60 #include <netatalk/at.h>
61 #include <atalk/compat.h>
62 #include <atalk/atp.h>
63 #include <atalk/pap.h>
64 #include <atalk/paths.h>
65 #include <atalk/util.h>
66 #include <atalk/nbp.h>
67 #include <atalk/unicode.h>
73 #include "print_cups.h"
76 #define PIPED_STATUS "status: print spooler processing job"
78 struct printer defprinter;
79 struct printer *printers = NULL;
82 static char *conffile = _PATH_PAPDCONF;
83 char *printcap = _PATH_PAPDPRINTCAP;
84 unsigned char connid, quantum, sock, oquantum = PAP_MAXQUANTUM;
85 char *cannedstatus = PIPED_STATUS;
86 struct printer *printer = NULL;
87 char *version = VERSION;
88 static char *pidfile = _PATH_PAPDLOCK;
91 char *uampath = _PATH_PAPDUAMPATH;
93 /* Prototypes for locally used functions */
94 int getstatus( struct printer *pr, char *buf );
95 int rprintcap( struct printer *pr );
96 static void getprinters( char *cf );
99 /* this only needs to be used by the server process */
100 static void papd_exit(const int i)
102 server_unlock(pidfile);
107 #if !defined( ibm032 ) && !defined( _IBMR2 )
109 #endif /* ! ibm032 && ! _IBMR2 */
116 memset(&addr, 0, sizeof(addr));
118 for ( pr = printers; pr; pr = pr->p_next ) {
119 if ( pr->p_flags & P_REGISTERED ) {
120 if ( nbp_unrgstr( pr->p_name, pr->p_type, pr->p_zone, &addr ) < 0 ) {
121 LOG(log_error, logtype_papd, "can't unregister %s:%s@%s", pr->p_name,
122 pr->p_type, pr->p_zone );
125 LOG(log_info, logtype_papd, "unregister %s:%s@%s", pr->p_name, pr->p_type,
129 if ( pr->p_flags & P_SPOOLED && pr->p_flags & P_CUPS_PPD ) {
130 LOG(log_info, logtype_papd, "Deleting CUPS temp PPD file for %s (%s)", pr->p_name, pr->p_ppdfile);
131 unlink (pr->p_ppdfile);
133 #endif /* HAVE_CUPS */
139 #if !defined( ibm032 ) && !defined( _IBMR2 )
141 #endif /* ! ibm032 && ! _IBMR2 */
147 while (( pid = wait3( &status, WNOHANG, 0 )) > 0 ) {
148 if ( WIFEXITED( status )) {
149 if ( WEXITSTATUS( status )) {
150 LOG(log_error, logtype_papd, "child %d exited with %d", pid,
151 WEXITSTATUS( status ));
153 LOG(log_info, logtype_papd, "child %d done", pid );
156 if ( WIFSIGNALED( status )) {
157 LOG(log_error, logtype_papd, "child %d killed with %d", pid,
160 LOG(log_error, logtype_papd, "child %d died", pid );
167 char rbuf[ 255 + 1 + 8 ];
176 struct atp_block atpb;
177 struct sockaddr_at sat;
182 char *p, hostname[ MAXHOSTNAMELEN ];
187 if ( gethostname( hostname, sizeof( hostname )) < 0 ) {
188 perror( "gethostname" );
191 if (( p = strchr( hostname, '.' )) != 0 ) {
194 if (( defprinter.p_name = (char *)malloc( strlen( hostname ) + 1 ))
199 strcpy( defprinter.p_name, hostname );
200 defprinter.p_type = "LaserWriter";
201 defprinter.p_zone = "*";
202 memset(&defprinter.p_addr, 0, sizeof(defprinter.p_addr));
204 defprinter.p_flags = P_PIPED;
205 defprinter.p_printer = "/usr/bin/lp -T PS";
207 defprinter.p_flags = P_SPOOLED;
208 defprinter.p_printer = "lp";
209 #endif /* __svr4__ */
210 defprinter.p_operator = "operator";
211 defprinter.p_spool = _PATH_PAPDSPOOLDIR;
213 defprinter.p_role = NULL;
214 defprinter.p_srvid = 0;
215 #endif /* ABS_PRINT */
216 defprinter.p_pagecost = 200; /* default cost */
217 defprinter.p_pagecost_msg = NULL;
218 defprinter.p_lock = "lock";
220 while (( c = getopt( ac, av, "adf:p:P:v" )) != EOF ) {
222 case 'a' : /* for compatibility with old papd */
225 case 'd' : /* debug */
229 case 'f' : /* conffile */
233 case 'p' : /* printcap */
241 case 'v' : /* version */
242 printf( "papd (version %s)\n", VERSION );
248 "Usage:\t%s [ -d ] [ -f conffile ] [ -p printcap ]\n",
255 switch (server_lock("papd", pidfile, debug)) {
256 case 0: /* open a couple things again in the child */
257 if (!debug && (c = open("/", O_RDONLY)) >= 0) {
275 if (( p = strrchr( av[ 0 ], '/' )) == NULL ) {
281 openlog( p, LOG_PID );
284 syslog_setup(log_debug, logtype_default, logoption_ndelay | logoption_pid |
285 debug ? logoption_perror : 0, logfacility_lpr );
288 LOG(log_info, logtype_papd, "restart (%s)", version );
290 LOG(log_info, logtype_papd, "CUPS support enabled (%s)", CUPS_API_VERSION );
293 getprinters( conffile );
295 for ( pr = printers; pr; pr = pr->p_next ) {
296 if (( pr->p_flags & P_SPOOLED ) && rprintcap( pr ) < 0 ) {
297 LOG(log_error, logtype_papd, "printcap problem: %s", pr->p_printer );
300 if (!(pr->p_flags & P_CUPS)) {
301 if ((size_t)-1 != convert_string_allocate(CH_UNIX, CH_MAC, pr->p_name, strlen(pr->p_name), &atname)) {
302 pr->p_u_name = pr->p_name;
307 if (( pr->p_atp = atp_open( ATADDR_ANYPORT, &pr->p_addr )) == NULL ) {
308 LOG(log_error, logtype_papd, "atp_open: %s", strerror(errno) );
311 if ( nbp_rgstr( atp_sockaddr( pr->p_atp ), pr->p_name, pr->p_type,
313 LOG(log_error, logtype_papd, "can't register %s:%s@%s", pr->p_u_name, pr->p_type,
317 if ( pr->p_flags & P_AUTH ) {
318 LOG(log_info, logtype_papd, "Authentication enabled: %s", pr->p_u_name );
321 LOG(log_info, logtype_papd, "Authentication disabled: %s", pr->p_u_name );
323 LOG(log_info, logtype_papd, "register %s:%s@%s", pr->p_u_name, pr->p_type,
325 pr->p_flags |= P_REGISTERED;
328 memset(&sv, 0, sizeof(sv));
330 sigemptyset( &sv.sa_mask );
331 sv.sa_flags = SA_RESTART;
332 if ( sigaction( SIGTERM, &sv, 0 ) < 0 ) {
333 LOG(log_error, logtype_papd, "sigaction: %s", strerror(errno) );
337 sv.sa_handler = reap;
338 sigemptyset( &sv.sa_mask );
339 sv.sa_flags = SA_RESTART;
340 if ( sigaction( SIGCHLD, &sv, 0 ) < 0 ) {
341 LOG(log_error, logtype_papd, "sigaction: %s", strerror(errno) );
348 auth_load(uampath, uamlist);
351 * Begin accepting connections.
355 for ( pr = printers; pr; pr = pr->p_next ) {
356 FD_SET( atp_fileno( pr->p_atp ), &fdset );
358 if (( c = select( FD_SETSIZE, &fdset, 0, 0, 0 )) < 0 ) {
359 if ( errno == EINTR ) {
362 LOG(log_error, logtype_papd, "select: %s", strerror(errno) );
366 for ( pr = printers; pr; pr = pr->p_next ) {
367 if ( FD_ISSET( atp_fileno( pr->p_atp ), &fdset )) {
370 memset( &sat, 0, sizeof( struct sockaddr_at ));
372 sat.sat_len = sizeof( struct sockaddr_at );
374 sat.sat_family = AF_APPLETALK;
375 sat.sat_addr.s_net = ATADDR_ANYNET;
376 sat.sat_addr.s_node = ATADDR_ANYNODE;
377 sat.sat_port = ATADDR_ANYPORT;
378 /* do an atp_rsel(), to prevent hangs */
379 if (( c = atp_rsel( pr->p_atp, &sat, ATP_TREQ )) != ATP_TREQ ) {
382 atpb.atp_saddr = &sat;
383 atpb.atp_rreqdata = cbuf;
384 atpb.atp_rreqdlen = sizeof( cbuf );
385 if ( atp_rreq( pr->p_atp, &atpb ) < 0 ) {
386 LOG(log_error, logtype_papd, "atp_rreq: %s", strerror(errno) );
390 /* should check length of req buf */
392 switch( cbuf[ 1 ] ) {
394 connid = (unsigned char)cbuf[ 0 ];
395 sock = (unsigned char)cbuf[ 4 ];
396 quantum = (unsigned char)cbuf[ 5 ];
397 rbuf[ 0 ] = cbuf[ 0 ];
398 rbuf[ 1 ] = PAP_OPENREPLY;
399 rbuf[ 2 ] = rbuf[ 3 ] = 0;
401 if (( pr->p_flags & P_SPOOLED ) && rprintcap( pr ) != 0 ) {
402 LOG(log_error, logtype_papd, "printcap problem: %s",
404 rbuf[ 2 ] = rbuf[ 3 ] = 0xff;
410 * If cups is not accepting jobs, we return
411 * 0xffff to indicate we're busy
414 LOG(log_debug, logtype_papd, "CUPS: PAP_OPEN");
416 if ( (pr->p_flags & P_SPOOLED) && (cups_get_printer_status ( pr ) == 0)) {
417 LOG(log_error, logtype_papd, "CUPS_PAP_OPEN: %s is not accepting jobs",
419 rbuf[ 2 ] = rbuf[ 3 ] = 0xff;
422 #endif /* HAVE_CUPS */
425 * If this fails, we've run out of sockets. Rather than
426 * just die(), let's try to continue. Maybe some sockets
427 * will close, and we can continue;
429 if (( atp = atp_open( ATADDR_ANYPORT,
430 &pr->p_addr)) == NULL ) {
431 LOG(log_error, logtype_papd, "atp_open: %s", strerror(errno) );
432 rbuf[ 2 ] = rbuf[ 3 ] = 0xff; /* printer busy */
433 rbuf[ 4 ] = 0; /* FIXME is it right? */
437 rbuf[ 4 ] = atp_sockaddr( atp )->sat_port;
439 rbuf[ 5 ] = oquantum;
440 rbuf[ 6 ] = rbuf[ 7 ] = 0;
443 iov.iov_len = 8 + getstatus( pr, &rbuf[ 8 ] );
444 atpb.atp_sresiov = &iov;
445 atpb.atp_sresiovcnt = 1;
447 * This may error out if we lose a route, so we won't die().
449 if ( atp_sresp( pr->p_atp, &atpb ) < 0 ) {
450 LOG(log_error, logtype_papd, "atp_sresp: %s", strerror(errno) );
461 switch ( c = fork()) {
463 LOG(log_error, logtype_papd, "fork: %s", strerror(errno) );
471 if (( printer->p_flags & P_SPOOLED ) &&
472 chdir( printer->p_spool ) < 0 ) {
473 LOG(log_error, logtype_papd, "chdir %s: %s", printer->p_spool, strerror(errno) );
477 if (( printer->p_flags & P_SPOOLED ) &&
478 chdir( SPOOLDIR ) < 0 ) {
479 LOG(log_error, logtype_papd, "chdir %s: %s", SPOOLDIR, strerror(errno) );
485 sv.sa_handler = SIG_DFL;
486 sigemptyset( &sv.sa_mask );
487 sv.sa_flags = SA_RESTART;
488 if ( sigaction( SIGTERM, &sv, 0 ) < 0 ) {
489 LOG(log_error, logtype_papd, "sigaction: %s", strerror(errno) );
493 for ( pr = printers; pr; pr = pr->p_next ) {
494 atp_close( pr->p_atp );
497 if ( session( atp, &sat ) < 0 ) {
498 LOG(log_error, logtype_papd, "bad session" );
504 default : /* parent */
505 LOG(log_info, logtype_papd, "child %d for \"%s\" from %u.%u",
506 c, pr->p_name, ntohs( sat.sat_addr.s_net ),
507 sat.sat_addr.s_node);
512 case PAP_SENDSTATUS :
514 rbuf[ 1 ] = PAP_STATUS;
515 rbuf[ 2 ] = rbuf[ 3 ] = 0;
516 rbuf[ 4 ] = rbuf[ 5 ] = 0;
517 rbuf[ 6 ] = rbuf[ 7 ] = 0;
520 iov.iov_len = 8 + getstatus( pr, &rbuf[ 8 ] );
521 atpb.atp_sresiov = &iov;
522 atpb.atp_sresiovcnt = 1;
524 * This may error out if we lose a route, so we won't die().
526 if ( atp_sresp( pr->p_atp, &atpb ) < 0 ) {
527 LOG(log_error, logtype_papd, "atp_sresp: %s", strerror(errno) );
532 LOG(log_error, logtype_papd, "Bad request from %u.%u!",
533 ntohs( sat.sat_addr.s_net ), sat.sat_addr.s_node );
540 * Sometimes the child process will send its first READ
541 * before the parent has sent the OPEN REPLY. Moving this
542 * code into the OPEN/STATUS switch fixes this problem.
545 iov.iov_len = 8 + getstatus( pr, &rbuf[ 8 ] );
546 atpb.atp_sresiov = &iov;
547 atpb.atp_sresiovcnt = 1;
549 * This may error out if we lose a route, so we won't die().
551 if ( atp_sresp( pr->p_atp, &atpb ) < 0 ) {
552 LOG(log_error, logtype_papd, "atp_sresp: %s", strerror(errno) );
562 * We assume buf is big enough for 255 bytes of data and a length byte.
565 int getstatus( pr, buf )
571 if ( pr->p_flags & P_PIPED ) {
572 *buf = strlen( cannedstatus );
573 strncpy( &buf[ 1 ], cannedstatus, *buf );
576 cups_get_printer_status( pr );
577 *buf = strlen ( pr->p_status );
578 strncpy ( &buf[1], pr->p_status, *buf);
583 char path[ MAXPATHLEN ];
586 if ( pr->p_flags & P_SPOOLED && ( pr->p_spool != NULL )) {
587 strcpy( path, pr->p_spool );
588 strcat( path, "/status" );
589 fd = open( path, O_RDONLY);
592 if (( pr->p_flags & P_PIPED ) || ( fd < 0 )) {
593 *buf = strlen( cannedstatus );
594 strncpy( &buf[ 1 ], cannedstatus, *buf );
597 if (( rc = read( fd, &buf[ 1 ], 255 )) < 0 ) {
601 if ( rc && buf[ rc ] == '\n' ) { /* remove trailing newline */
607 #endif /* HAVE_CUPS */
611 char *getpname(char **area, int bufsize);
613 #define PF_CONFBUFFER 1024
615 static void getprinters( cf )
618 char buf[ PF_CONFBUFFER ], area[ PF_CONFBUFFER ], *a, *p, *name, *type, *zone;
622 while (( c = getprent( cf, buf, PF_CONFBUFFER )) > 0 ) {
625 * Get the printer's nbp name.
627 if (( p = getpname( &a, PF_CONFBUFFER )) == NULL ) {
628 fprintf( stderr, "No printer name\n" );
632 if (( pr = (struct printer *)malloc( sizeof( struct printer )))
637 memset( pr, 0, sizeof( struct printer ));
639 name = defprinter.p_name;
640 type = defprinter.p_type;
641 zone = defprinter.p_zone;
642 if ( nbp_name( p, &name, &type, &zone )) {
643 fprintf( stderr, "Can't parse \"%s\"\n", name );
646 if ( name != defprinter.p_name ) {
647 if (( pr->p_name = (char *)malloc( strlen( name ) + 1 )) == NULL ) {
651 strcpy( pr->p_name, name );
655 if ( type != defprinter.p_type ) {
656 if (( pr->p_type = (char *)malloc( strlen( type ) + 1 )) == NULL ) {
660 strcpy( pr->p_type, type );
664 if ( zone != defprinter.p_zone ) {
665 if (( pr->p_zone = (char *)malloc( strlen( zone ) + 1 )) == NULL ) {
669 strcpy( pr->p_zone, zone );
674 if ( pnchktc( cf ) != 1 ) {
675 fprintf( stderr, "Bad papcap entry\n" );
682 if (( p = pgetstr( "pd", &a ) )) {
683 if (( pr->p_ppdfile = (char *)malloc( strlen( p ) + 1 )) == NULL ) {
687 strcpy( pr->p_ppdfile, p );
691 * Get lpd printer name.
693 if (( p = pgetstr( "pr", &a )) == NULL ) {
694 pr->p_printer = defprinter.p_printer;
695 pr->p_flags = defprinter.p_flags;
699 pr->p_flags = P_PIPED;
701 pr->p_flags = P_SPOOLED;
703 if (( pr->p_printer = (char *)malloc( strlen( p ) + 1 )) == NULL ) {
707 strcpy( pr->p_printer, p );
711 * Do we want authenticated printing?
713 if ((p = pgetstr( "ca", &a )) != NULL ) {
714 if ((pr->p_authprintdir = (char *)malloc(strlen(p)+1)) == NULL) {
718 strcpy( pr->p_authprintdir, p );
719 pr->p_flags |= P_AUTH;
720 pr->p_flags |= P_AUTH_CAP;
721 } else { pr->p_authprintdir = NULL; }
723 if ( pgetflag( "sp" ) == 1 ) {
724 pr->p_flags |= P_AUTH;
725 pr->p_flags |= P_AUTH_PSSP;
728 if ((p = pgetstr("am", &a)) != NULL ) {
729 if ((uamlist = (char *)malloc(strlen(p)+1)) == NULL ) {
736 if ( pr->p_flags & P_SPOOLED ) {
740 if (( p = pgetstr( "op", &a )) == NULL ) {
741 pr->p_operator = defprinter.p_operator;
743 if (( pr->p_operator = (char *)malloc( strlen( p ) + 1 ))
748 strcpy( pr->p_operator, p );
752 /* get printer's appletalk address. */
753 if (( p = pgetstr( "pa", &a )) == NULL )
754 memcpy(&pr->p_addr, &defprinter.p_addr, sizeof(pr->p_addr));
756 atalk_aton(p, &pr->p_addr);
759 if ((p = pgetstr("co", &a)) != NULL ) {
760 pr->p_cupsoptions = strdup(p);
761 LOG (log_error, logtype_papd, "enabling cups-options for %s: %s", pr->p_name, pr->p_cupsoptions);
765 /* convert line endings for setup sections.
766 real ugly work around for foomatic deficiencies,
767 need to get rid of this */
768 if ( pgetflag("fo") == 1 ) {
769 pr->p_flags |= P_FOOMATIC_HACK;
770 LOG (log_error, logtype_papd, "enabling foomatic hack for %s", pr->p_name);
773 if (strncasecmp (pr->p_name, "cupsautoadd", 11) == 0)
776 pr = cups_autoadd_printers (pr, printers);
779 LOG (log_error, logtype_papd, "cupsautoadd: Cups support not compiled in");
780 #endif /* HAVE_CUPS */
784 if ( cups_check_printer ( pr, printers, 1) == 0)
786 pr->p_next = printers;
790 pr->p_next = printers;
792 #endif /* HAVE_CUPS */
797 } else { /* No capability file, do default */
798 printers = &defprinter;
810 if ( pr->p_flags & P_SPOOLED && !(pr->p_flags & P_CUPS_AUTOADDED) ) { /* Skip check if autoadded */
811 if ( cups_printername_ok ( pr->p_printer ) != 1) {
812 LOG(log_error, logtype_papd, "No such CUPS printer: '%s'", pr->p_printer );
818 * Check for ppd file, moved here because of cups_autoadd we cannot check at the usual location
821 if ( pr->p_ppdfile == NULL ) {
822 if ( (p = (char *) cups_get_printer_ppd ( pr->p_printer )) != NULL ) {
823 if (( pr->p_ppdfile = (char *)malloc( strlen( p ) + 1 )) == NULL ) {
824 LOG(log_error, logtype_papd, "malloc: %s", strerror(errno) );
827 strcpy( pr->p_ppdfile, p );
828 pr->p_flags |= P_CUPS_PPD;
829 LOG(log_info, logtype_papd, "PPD File for %s set to %s", pr->p_printer, pr->p_ppdfile );
836 char buf[ 1024 ], area[ 1024 ], *a, *p;
840 * Spool directory from printcap file.
842 if ( pr->p_flags & P_SPOOLED ) {
843 if ( pgetent( printcap, buf, pr->p_printer ) != 1 ) {
844 LOG(log_error, logtype_papd, "No such printer: %s", pr->p_printer );
851 if ( pr->p_spool != NULL && pr->p_spool != defprinter.p_spool ) {
855 if (( p = pgetstr( "sd", &a )) == NULL ) {
856 pr->p_spool = defprinter.p_spool;
858 if (( pr->p_spool = (char *)malloc( strlen( p ) + 1 )) == NULL ) {
859 LOG(log_error, logtype_papd, "malloc: %s", strerror(errno) );
862 strcpy( pr->p_spool, p );
869 if ( pgetstr( "af", &a ) == NULL ) {
870 pr->p_flags &= ~P_ACCOUNT;
872 pr->p_flags |= P_ACCOUNT;
874 if ( pr->p_role != NULL && pr->p_role != defprinter.p_role ) {
878 if (( p = pgetstr( "ro", &a )) == NULL ) {
879 pr->p_role = defprinter.p_role;
882 (char *)malloc( strlen( p ) + 1 )) == NULL ) {
883 LOG(log_error, logtype_papd, "malloc: %s", strerror(errno) );
886 strcpy( pr->p_role, p );
889 if (( c = pgetnum( "si" )) < 0 ) {
890 pr->p_srvid = defprinter.p_srvid;
894 #endif /* ABS_PRINT */
901 if ( pr->p_pagecost_msg != NULL &&
902 pr->p_pagecost_msg != defprinter.p_pagecost_msg ) {
903 free( pr->p_pagecost_msg );
906 if (( p = pgetstr( "pc", &a )) != NULL ) {
907 if (( pr->p_pagecost_msg =
908 (char *)malloc( strlen( p ) + 1 )) == NULL ) {
909 LOG(log_error, logtype_papd, "malloc: %s", strerror(errno) );
912 strcpy( pr->p_pagecost_msg, p );
914 } else if ( pr->p_flags & P_ACCOUNT ) {
915 if (( c = pgetnum( "pc" )) < 0 ) {
916 pr->p_pagecost = defprinter.p_pagecost;
920 pr->p_pagecost_msg = NULL;
926 if ( pr->p_lock != NULL && pr->p_lock != defprinter.p_lock ) {
930 if (( p = pgetstr( "lo", &a )) == NULL ) {
931 pr->p_lock = defprinter.p_lock;
933 if (( pr->p_lock = (char *)malloc( strlen( p ) + 1 )) == NULL ) {
934 LOG(log_error, logtype_papd, "malloc: %s", strerror(errno) );
937 strcpy( pr->p_lock, p );
942 * Must Kerberos authenticate?
944 if ( pgetflag( "ka" ) == 1 ) {
945 pr->p_flags |= P_KRB;
947 pr->p_flags &= ~P_KRB;
953 #endif /* HAVE_CUPS */