diff options
Diffstat (limited to 'usr.sbin/lpr/common_source/printcap.c')
| -rw-r--r-- | usr.sbin/lpr/common_source/printcap.c | 451 |
1 files changed, 0 insertions, 451 deletions
diff --git a/usr.sbin/lpr/common_source/printcap.c b/usr.sbin/lpr/common_source/printcap.c deleted file mode 100644 index 0d3644b..0000000 --- a/usr.sbin/lpr/common_source/printcap.c +++ /dev/null @@ -1,451 +0,0 @@ -/* - * Copyright (c) 1983, 1993 - * The Regents of the University of California. All rights reserved. - * (c) UNIX System Laboratories, Inc. - * All or some portions of this file are derived from material licensed - * to the University of California by American Telephone and Telegraph - * Co. or Unix System Laboratories, Inc. and are reproduced herein with - * the permission of UNIX System Laboratories, Inc. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#if 0 -#ifndef lint -static char sccsid[] = "@(#)printcap.c 8.2 (Berkeley) 4/28/95"; -#endif /* not lint */ -#endif - -#include "lp.cdefs.h" /* A cross-platform version of <sys/cdefs.h> */ -__FBSDID("$FreeBSD$"); - -#include <errno.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> - -#include <sys/param.h> /* required for lp.h, but not used here */ -#include <sys/dirent.h> /* ditto */ -#include "lp.h" -#include "lp.local.h" -#include "pathnames.h" - -/* - * Routines and data used in processing the printcap file. - */ -static char *printcapdb[2] = { _PATH_PRINTCAP, 0 }; /* list for cget* */ - -static char *capdb_canonical_name(const char *_bp); -static int capdb_getaltlog(char *_bp, const char *_shrt, - const char *_lng); -static int capdb_getaltnum(char *_bp, const char *_shrt, - const char *_lng, long _dflt, long *_result); -static int capdb_getaltstr(char *_bp, const char *_shrt, - const char *lng, const char *_dflt, char **_result); -static int getprintcap_int(char *_bp, struct printer *_pp); - -/* - * Change the name of the printcap file. Used by chkprintcap(8), - * but could be used by other members of the suite with appropriate - * security measures. - */ -void -setprintcap(char *newfile) -{ - printcapdb[0] = newfile; -} - -/* - * Read the printcap database for printer `printer' into the - * struct printer pointed by `pp'. Return values are as for - * cgetent(3): -1 means we could not find what we wanted, -2 - * means a system error occurred (and errno is set), -3 if a - * reference (`tc=') loop was detected, and 0 means success. - * - * Copied from lpr; should add additional capabilities as they - * are required by the other programs in the suite so that - * printcap-reading is consistent across the entire family. - */ -int -getprintcap(const char *printer, struct printer *pp) -{ - int status; - char *XXX; - char *bp; - - /* - * A bug in the declaration of cgetent(3) means that we have - * to hide the constness of its third argument. - */ - XXX = (char *)printer; - if ((status = cgetent(&bp, printcapdb, XXX)) < 0) - return status; - status = getprintcap_int(bp, pp); - free(bp); - return status; -} - -/* - * Map the status values returned by cgetfirst/cgetnext into those - * used by cgetent, returning truth if there are more records to - * examine. This points out what is arguably a bug in the cget* - * interface (or at least a nasty wart). - */ -static int -firstnextmap(int *status) -{ - switch (*status) { - case 0: - return 0; - case 1: - *status = 0; - return 1; - case 2: - *status = 1; - return 1; - case -1: - *status = -2; - return 0; - case -2: - *status = -3; - return 1; - default: - return 0; - } -} - -/* - * Scan through the database of printers using cgetfirst/cgetnext. - * Return false of error or end-of-database; else true. - */ -int -firstprinter(struct printer *pp, int *error) -{ - int status; - char *bp; - - init_printer(pp); - status = cgetfirst(&bp, printcapdb); - if (firstnextmap(&status) == 0) { - if (error) - *error = status; - return 0; - } - if (error) - *error = status; - status = getprintcap_int(bp, pp); - free(bp); - if (error && status) - *error = status; - return 1; -} - -int -nextprinter(struct printer *pp, int *error) -{ - int status; - char *bp; - - free_printer(pp); - status = cgetnext(&bp, printcapdb); - if (firstnextmap(&status) == 0) { - if (error) - *error = status; - return 0; - } - if (error) - *error = status; - status = getprintcap_int(bp, pp); - free(bp); - if (error && status) - *error = status; - return 1; -} - -void -lastprinter(void) -{ - cgetclose(); -} - -/* - * This must match the order of declaration of enum filter in lp.h. - */ -static const char *filters[] = { - "cf", "df", "gf", "if", "nf", "of", "rf", "tf", "vf" -}; - -static const char *longfilters[] = { - "filt.cifplot", "filt.dvi", "filt.plot", "filt.input", "filt.ditroff", - "filt.output", "filt.fortran", "filt.troff", "filt.raster" -}; - -/* - * Internal routine for both getprintcap() and nextprinter(). - * Actually parse the printcap entry using cget* functions. - * Also attempt to figure out the canonical name of the printer - * and store a malloced copy of it in pp->printer. - */ -static int -getprintcap_int(char *bp, struct printer *pp) -{ - enum lpd_filters filt; - char *rp_name; - int error; - - if ((pp->printer = capdb_canonical_name(bp)) == 0) - return PCAPERR_OSERR; - -#define CHK(x) do {if ((x) == PCAPERR_OSERR) return PCAPERR_OSERR;}while(0) - CHK(capdb_getaltstr(bp, "af", "acct.file", 0, &pp->acct_file)); - CHK(capdb_getaltnum(bp, "br", "tty.rate", 0, &pp->baud_rate)); - CHK(capdb_getaltnum(bp, "ct", "remote.timeout", DEFTIMEOUT, - &pp->conn_timeout)); - CHK(capdb_getaltnum(bp, "du", "daemon.user", DEFUID, - &pp->daemon_user)); - CHK(capdb_getaltstr(bp, "ff", "job.formfeed", DEFFF, &pp->form_feed)); - CHK(capdb_getaltstr(bp, "lf", "spool.log", _PATH_CONSOLE, - &pp->log_file)); - CHK(capdb_getaltstr(bp, "lo", "spool.lock", DEFLOCK, &pp->lock_file)); - CHK(capdb_getaltstr(bp, "lp", "tty.device", _PATH_DEFDEVLP, &pp->lp)); - CHK(capdb_getaltnum(bp, "mc", "max.copies", DEFMAXCOPIES, - &pp->max_copies)); - CHK(capdb_getaltstr(bp, "ms", "tty.mode", 0, &pp->mode_set)); - CHK(capdb_getaltnum(bp, "mx", "max.blocks", DEFMX, &pp->max_blocks)); - CHK(capdb_getaltnum(bp, "pc", "acct.price", 0, &pp->price100)); - CHK(capdb_getaltnum(bp, "pl", "page.length", DEFLENGTH, - &pp->page_length)); - CHK(capdb_getaltnum(bp, "pw", "page.width", DEFWIDTH, - &pp->page_width)); - CHK(capdb_getaltnum(bp, "px", "page.pwidth", 0, &pp->page_pwidth)); - CHK(capdb_getaltnum(bp, "py", "page.plength", 0, &pp->page_plength)); - CHK(capdb_getaltstr(bp, "rg", "daemon.restrictgrp", 0, - &pp->restrict_grp)); - CHK(capdb_getaltstr(bp, "rm", "remote.host", 0, &pp->remote_host)); - CHK(capdb_getaltstr(bp, "rp", "remote.queue", DEFLP, - &pp->remote_queue)); - CHK(capdb_getaltstr(bp, "sd", "spool.dir", _PATH_DEFSPOOL, - &pp->spool_dir)); - CHK(capdb_getaltstr(bp, "sr", "stat.recv", 0, &pp->stat_recv)); - CHK(capdb_getaltstr(bp, "ss", "stat.send", 0, &pp->stat_send)); - CHK(capdb_getaltstr(bp, "st", "spool.status", DEFSTAT, - &pp->status_file)); - CHK(capdb_getaltstr(bp, "tr", "job.trailer", 0, &pp->trailer)); - - pp->resend_copies = capdb_getaltlog(bp, "rc", "remote.resend_copies"); - pp->restricted = capdb_getaltlog(bp, "rs", "daemon.restricted"); - pp->short_banner = capdb_getaltlog(bp, "sb", "banner.short"); - pp->no_copies = capdb_getaltlog(bp, "sc", "job.no_copies"); - pp->no_formfeed = capdb_getaltlog(bp, "sf", "job.no_formfeed"); - pp->no_header = capdb_getaltlog(bp, "sh", "banner.disable"); - pp->header_last = capdb_getaltlog(bp, "hl", "banner.last"); - pp->rw = capdb_getaltlog(bp, "rw", "tty.rw"); - pp->tof = !capdb_getaltlog(bp, "fo", "job.topofform"); - - /* - * Decide if the remote printer name matches the local printer name. - * If no name is given then we assume they mean them to match. - * If a name is given see if the rp_name is one of the names for - * this printer. - */ - pp->rp_matches_local = 1; - CHK((error = capdb_getaltstr(bp, "rp", "remote.queue", 0, &rp_name))); - if (error != PCAPERR_NOTFOUND && rp_name != NULL) { - if (cgetmatch(bp,rp_name) != 0) - pp->rp_matches_local = 0; - free(rp_name); - } - - /* - * Filters: - */ - for (filt = 0; filt < LPF_COUNT; filt++) { - CHK(capdb_getaltstr(bp, filters[filt], longfilters[filt], 0, - &pp->filters[filt])); - } - - return 0; -} - -/* - * Decode the error codes returned by cgetent() using the names we - * made up for them from "lp.h". - * This would have been much better done with Common Error, >sigh<. - * Perhaps this can be fixed in the next incarnation of cget*. - */ -const char * -pcaperr(int error) -{ - switch(error) { - case PCAPERR_TCOPEN: - return "unresolved tc= expansion"; - case PCAPERR_SUCCESS: - return "no error"; - case PCAPERR_NOTFOUND: - return "printer not found"; - case PCAPERR_OSERR: - return strerror(errno); - case PCAPERR_TCLOOP: - return "loop detected in tc= expansion"; - default: - return "unknown printcap error"; - } -} - -/* - * Initialize a `struct printer' to contain values harmless to - * the other routines in liblpr. - */ -void -init_printer(struct printer *pp) -{ - static struct printer zero; - *pp = zero; -} - -/* - * Free the dynamically-allocated strings in a `struct printer'. - * Idempotent. - */ -void -free_printer(struct printer *pp) -{ - enum lpd_filters filt; -#define cfree(x) do { if (x) free(x); } while(0) - cfree(pp->printer); - cfree(pp->acct_file); - for (filt = 0; filt < LPF_COUNT; filt++) - cfree(pp->filters[filt]); - cfree(pp->form_feed); - cfree(pp->log_file); - cfree(pp->lock_file); - cfree(pp->lp); - cfree(pp->restrict_grp); - cfree(pp->remote_host); - cfree(pp->remote_queue); - cfree(pp->spool_dir); - cfree(pp->stat_recv); - cfree(pp->stat_send); - cfree(pp->status_file); - cfree(pp->trailer); - cfree(pp->mode_set); - - init_printer(pp); -} - - -/* - * The following routines are part of what would be a sensible library - * interface to capability databases. Maybe someday this will become - * the default. - */ - -/* - * It provides similar functionality to cgetstr(), - * except that it provides for both a long and a short - * capability name and allows for a default to be specified. - */ -static int -capdb_getaltstr(char *bp, const char *shrt, const char *lng, - const char *dflt, char **result) -{ - int status; - - status = cgetstr(bp, (char *)/*XXX*/lng, result); - if (status >= 0 || status == PCAPERR_OSERR) - return status; - status = cgetstr(bp, (char *)/*XXX*/shrt, result); - if (status >= 0 || status == PCAPERR_OSERR) - return status; - if (dflt) { - *result = strdup(dflt); - if (*result == 0) - return PCAPERR_OSERR; - return strlen(*result); - } - return PCAPERR_NOTFOUND; -} - -/* - * The same, only for integers. - */ -static int -capdb_getaltnum(char *bp, const char *shrt, const char *lng, long dflt, - long *result) -{ - int status; - - status = cgetnum(bp, (char *)/*XXX*/lng, result); - if (status >= 0) - return status; - status = cgetnum(bp, (char *)/*XXX*/shrt, result); - if (status >= 0) - return status; - *result = dflt; - return 0; -} - -/* - * Likewise for logical values. There's no need for a default parameter - * because the default is always false. - */ -static int -capdb_getaltlog(char *bp, const char *shrt, const char *lng) -{ - if (cgetcap(bp, (char *)/*XXX*/lng, ':')) - return 1; - if (cgetcap(bp, (char *)/*XXX*/shrt, ':')) - return 1; - return 0; -} - -/* - * Also should be a part of a better cget* library. - * Given a capdb entry, attempt to figure out what its canonical name - * is, and return a malloced copy of it. The canonical name is - * considered to be the first one listed. - */ -static char * -capdb_canonical_name(const char *bp) -{ - char *retval; - const char *nameend; - - nameend = strpbrk(bp, "|:"); - if (nameend == 0) - nameend = bp + 1; - if ((retval = malloc(nameend - bp + 1)) != 0) { - retval[0] = '\0'; - strncat(retval, bp, nameend - bp); - } - return retval; -} - - |
