diff options
Diffstat (limited to 'usr.sbin/lpr/chkprintcap/chkprintcap.c')
| -rw-r--r-- | usr.sbin/lpr/chkprintcap/chkprintcap.c | 318 |
1 files changed, 0 insertions, 318 deletions
diff --git a/usr.sbin/lpr/chkprintcap/chkprintcap.c b/usr.sbin/lpr/chkprintcap/chkprintcap.c deleted file mode 100644 index 91e8299..0000000 --- a/usr.sbin/lpr/chkprintcap/chkprintcap.c +++ /dev/null @@ -1,318 +0,0 @@ -/* - * Copyright 1997 Massachusetts Institute of Technology - * - * Permission to use, copy, modify, and distribute this software and - * its documentation for any purpose and without fee is hereby - * granted, provided that both the above copyright notice and this - * permission notice appear in all copies, that both the above - * copyright notice and this permission notice appear in all - * supporting documentation, and that the name of M.I.T. not be used - * in advertising or publicity pertaining to distribution of the - * software without specific, written prior permission. M.I.T. makes - * no representations about the suitability of this software for any - * purpose. It is provided "as is" without express or implied - * warranty. - * - * THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''. M.I.T. DISCLAIMS - * ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE, - * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT - * SHALL M.I.T. 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. - */ - -static const char copyright[] = - "Copyright (C) 1997, Massachusetts Institute of Technology\r\n"; - -#include "lp.cdefs.h" /* A cross-platform version of <sys/cdefs.h> */ -__FBSDID("$FreeBSD$"); - -#include <sys/types.h> -#include <sys/queue.h> -#include <sys/stat.h> - -#include <err.h> -#include <errno.h> -#include <grp.h> -#include <stdio.h> -#include <string.h> -#include <stdlib.h> -#include <unistd.h> - -#include <sys/param.h> /* needed for lp.h but not used here */ -#include <dirent.h> /* ditto */ -#include "lp.h" -#include "lp.local.h" -#include "pathnames.h" -#include "skimprintcap.h" - -static void check_spool_dirs(void); -static int interpret_error(const struct printer *pp, int error); -static void make_spool_dir(const struct printer *pp); -static void note_spool_dir(const struct printer *pp, const struct stat *st); -static void usage(void) __dead2; - -static int problems; /* number of problems encountered */ - -/* - * chkprintcap - check the printcap file for syntactic and semantic errors - * Returns the number of problems found. - */ -int -main(int argc, char **argv) -{ - struct skiminfo *skres; - char *pcap_fname; - int c, error, makedirs, more, queuecnt, verbosity; - struct printer myprinter, *pp; - - makedirs = 0; - queuecnt = 0; - verbosity = 0; - pcap_fname = NULL; - pp = &myprinter; - - while ((c = getopt(argc, argv, "df:v")) != -1) { - switch (c) { - case 'd': - makedirs = 1; - break; - - case 'f': - pcap_fname = strdup(optarg); - setprintcap(pcap_fname); - break; - - case 'v': - verbosity++; - break; - - default: - usage(); - } - } - - if (optind != argc) - usage(); - - if (pcap_fname == NULL) - pcap_fname = strdup(_PATH_PRINTCAP); - - /* - * Skim through the printcap file looking for simple user-mistakes - * which will produce the wrong result for the user, but which may - * be pretty hard for the user to notice. Such user-mistakes will - * only generate warning messages. The (fatal-) problem count will - * only be incremented if there is a system problem trying to read - * the printcap file. - */ - skres = skim_printcap(pcap_fname, verbosity); - if (skres->fatalerr) - return (skres->fatalerr); - - /* - * Now use the standard capability-db routines to check the values - * in each of the queues defined in the printcap file. - */ - more = firstprinter(pp, &error); - if (interpret_error(pp, error) && more) - goto next; - - while (more) { - struct stat stab; - - queuecnt++; - errno = 0; - if (stat(pp->spool_dir, &stab) < 0) { - if (errno == ENOENT && makedirs) { - make_spool_dir(pp); - } else { - problems++; - warn("%s: %s", pp->printer, pp->spool_dir); - } - } else { - note_spool_dir(pp, &stab); - } - - /* Make other queue-specific validity checks here... */ - -next: - more = nextprinter(pp, &error); - if (interpret_error(pp, error) && more) - goto next; - } - - check_spool_dirs(); - - if (queuecnt != skres->entries) { - warnx("WARNING: found %d entries when skimming %s,", - skres->entries, pcap_fname); - warnx("WARNING: but only found %d queues to process!", - queuecnt); - } - return (problems); -} - -/* - * Interpret the error code. Returns 1 if we should skip to the next - * record (as this record is unlikely to make sense). If the problem - * is very severe, exit. Otherwise, return zero. - */ -static int -interpret_error(const struct printer *pp, int error) -{ - switch(error) { - case PCAPERR_OSERR: - err(++problems, "reading printer database"); - case PCAPERR_TCLOOP: - ++problems; - warnx("%s: loop detected in tc= expansion", pp->printer); - return 1; - case PCAPERR_TCOPEN: - warnx("%s: unresolved tc= expansion", pp->printer); - return 1; - case PCAPERR_SUCCESS: - break; - default: - errx(++problems, "unknown printcap library error %d", error); - } - return 0; -} - -/* - * Keep the list of spool directories. Note that we don't whine - * until all spool directories are noted, so that all of the more serious - * problems are noted first. We keep the list sorted by st_dev and - * st_ino, so that the problem spool directories can be noted in - * a single loop. - */ -struct dirlist { - LIST_ENTRY(dirlist) link; - struct stat stab; - char *path; - char *printer; -}; - -static LIST_HEAD(, dirlist) dirlist; - -static int -lessp(const struct dirlist *a, const struct dirlist *b) -{ - if (a->stab.st_dev == b->stab.st_dev) - return a->stab.st_ino < b->stab.st_ino; - return a->stab.st_dev < b->stab.st_dev; -} - -static int -equal(const struct dirlist *a, const struct dirlist *b) -{ - return ((a->stab.st_dev == b->stab.st_dev) - && (a->stab.st_ino == b->stab.st_ino)); -} - -static void -note_spool_dir(const struct printer *pp, const struct stat *st) -{ - struct dirlist *dp, *dp2, *last; - - dp = malloc(sizeof *dp); - if (dp == 0) - err(++problems, "malloc(%lu)", (u_long)sizeof *dp); - - dp->stab = *st; - dp->printer = strdup(pp->printer); - if (dp->printer == 0) - err(++problems, "malloc(%lu)", strlen(pp->printer) + 1UL); - dp->path = strdup(pp->spool_dir); - if (dp->path == 0) - err(++problems, "malloc(%lu)", strlen(pp->spool_dir) + 1UL); - - last = 0; - LIST_FOREACH(dp2, &dirlist, link) { - if(!lessp(dp, dp2)) - break; - last = dp2; - } - - if (last) { - LIST_INSERT_AFTER(last, dp, link); - } else { - LIST_INSERT_HEAD(&dirlist, dp, link); - } -} - -static void -check_spool_dirs(void) -{ - struct dirlist *dp, *dp2; - - for (dp = LIST_FIRST(&dirlist); dp; dp = dp2) { - dp2 = LIST_NEXT(dp, link); - - if (dp2 != 0 && equal(dp, dp2)) { - ++problems; - if (strcmp(dp->path, dp2->path) == 0) { - warnx("%s and %s share the same spool, %s", - dp->printer, dp2->printer, dp->path); - } else { - warnx("%s (%s) and %s (%s) are the same " - "directory", dp->path, dp->printer, - dp2->path, dp2->printer); - } - continue; - } - /* Should probably check owners and modes here. */ - } -} - -#ifndef SPOOL_DIR_MODE -#define SPOOL_DIR_MODE (S_IRUSR | S_IWUSR | S_IXUSR \ - | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH) -#endif - -static void -make_spool_dir(const struct printer *pp) -{ - char *sd = pp->spool_dir; - struct group *gr; - struct stat stab; - - if (mkdir(sd, S_IRUSR | S_IXUSR) < 0) { - problems++; - warn("%s: mkdir %s", pp->printer, sd); - return; - } - gr = getgrnam("daemon"); - if (gr == 0) - errx(++problems, "cannot locate daemon group"); - - if (chown(sd, pp->daemon_user, gr->gr_gid) < 0) { - ++problems; - warn("%s: cannot change ownership to %ld:%ld", sd, - (long)pp->daemon_user, (long)gr->gr_gid); - return; - } - - if (chmod(sd, SPOOL_DIR_MODE) < 0) { - ++problems; - warn("%s: cannot change mode to %lo", sd, (long)SPOOL_DIR_MODE); - return; - } - if (stat(sd, &stab) < 0) - err(++problems, "stat: %s", sd); - - note_spool_dir(pp, &stab); -} - -static void -usage(void) -{ - fprintf(stderr, "usage:\n\tchkprintcap [-dv] [-f printcapfile]\n"); - exit(1); -} |
