2019-03-29 13:13:30 +00:00
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/* $Id: manpath.c,v 1.37 2018/11/22 11:30:23 schwarze Exp $ */
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2012-10-18 09:55:16 +00:00
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/*
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2019-03-29 13:13:30 +00:00
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* Copyright (c) 2011,2014,2015,2017,2018 Ingo Schwarze <schwarze@openbsd.org>
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2012-10-18 09:55:16 +00:00
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* Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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2016-01-15 23:08:59 +00:00
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
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2012-10-18 09:55:16 +00:00
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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2016-01-15 23:08:59 +00:00
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
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2012-10-18 09:55:16 +00:00
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include "config.h"
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2014-12-02 07:34:06 +00:00
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#include <sys/types.h>
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#include <sys/stat.h>
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2012-10-18 09:55:16 +00:00
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#include <ctype.h>
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2016-01-15 23:08:59 +00:00
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#if HAVE_ERR
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#include <err.h>
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#endif
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2012-10-18 09:55:16 +00:00
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#include <limits.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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2014-11-22 18:08:25 +00:00
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#include "mandoc_aux.h"
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2016-01-15 23:08:59 +00:00
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#include "manconf.h"
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2012-10-18 09:55:16 +00:00
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2016-01-15 23:08:59 +00:00
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static void manconf_file(struct manconf *, const char *);
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2014-12-02 07:34:06 +00:00
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static void manpath_add(struct manpaths *, const char *, int);
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static void manpath_parseline(struct manpaths *, char *, int);
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2012-10-18 09:55:16 +00:00
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2016-01-15 23:08:59 +00:00
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2012-10-18 09:55:16 +00:00
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void
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2016-01-15 23:08:59 +00:00
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manconf_parse(struct manconf *conf, const char *file,
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2012-10-18 09:55:16 +00:00
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char *defp, char *auxp)
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{
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char *insert;
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/* Always prepend -m. */
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2016-01-15 23:08:59 +00:00
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manpath_parseline(&conf->manpath, auxp, 1);
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2014-01-31 19:59:03 +00:00
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2012-10-18 09:55:16 +00:00
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/* If -M is given, it overrides everything else. */
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if (NULL != defp) {
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2016-01-15 23:08:59 +00:00
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manpath_parseline(&conf->manpath, defp, 1);
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2012-10-18 09:55:16 +00:00
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return;
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}
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/* MANPATH and man.conf(5) cooperate. */
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defp = getenv("MANPATH");
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if (NULL == file)
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file = MAN_CONF_FILE;
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/* No MANPATH; use man.conf(5) only. */
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if (NULL == defp || '\0' == defp[0]) {
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2016-01-15 23:08:59 +00:00
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manconf_file(conf, file);
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2012-10-18 09:55:16 +00:00
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return;
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}
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/* Prepend man.conf(5) to MANPATH. */
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if (':' == defp[0]) {
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2016-01-15 23:08:59 +00:00
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manconf_file(conf, file);
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manpath_parseline(&conf->manpath, defp, 0);
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2012-10-18 09:55:16 +00:00
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return;
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}
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/* Append man.conf(5) to MANPATH. */
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2014-01-31 19:59:03 +00:00
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if (':' == defp[strlen(defp) - 1]) {
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2016-01-15 23:08:59 +00:00
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manpath_parseline(&conf->manpath, defp, 0);
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manconf_file(conf, file);
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2012-10-18 09:55:16 +00:00
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return;
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}
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/* Insert man.conf(5) into MANPATH. */
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insert = strstr(defp, "::");
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if (NULL != insert) {
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*insert++ = '\0';
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2016-01-15 23:08:59 +00:00
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manpath_parseline(&conf->manpath, defp, 0);
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manconf_file(conf, file);
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manpath_parseline(&conf->manpath, insert + 1, 0);
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2012-10-18 09:55:16 +00:00
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return;
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}
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/* MANPATH overrides man.conf(5) completely. */
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2016-01-15 23:08:59 +00:00
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manpath_parseline(&conf->manpath, defp, 0);
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2012-10-18 09:55:16 +00:00
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}
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2017-07-31 19:17:54 +00:00
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void
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manpath_base(struct manpaths *dirs)
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{
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char path_base[] = MANPATH_BASE;
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manpath_parseline(dirs, path_base, 0);
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}
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2012-10-18 09:55:16 +00:00
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/*
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* Parse a FULL pathname from a colon-separated list of arrays.
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*/
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static void
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2014-12-02 07:34:06 +00:00
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manpath_parseline(struct manpaths *dirs, char *path, int complain)
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2012-10-18 09:55:16 +00:00
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{
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char *dir;
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if (NULL == path)
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return;
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for (dir = strtok(path, ":"); dir; dir = strtok(NULL, ":"))
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2014-12-02 07:34:06 +00:00
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manpath_add(dirs, dir, complain);
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2012-10-18 09:55:16 +00:00
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}
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/*
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* Add a directory to the array, ignoring bad directories.
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* Grow the array one-by-one for simplicity's sake.
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*/
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static void
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2014-12-02 07:34:06 +00:00
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manpath_add(struct manpaths *dirs, const char *dir, int complain)
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2012-10-18 09:55:16 +00:00
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{
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char buf[PATH_MAX];
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2014-12-02 07:34:06 +00:00
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struct stat sb;
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2012-10-18 09:55:16 +00:00
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char *cp;
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2014-01-31 19:59:03 +00:00
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size_t i;
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2012-10-18 09:55:16 +00:00
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2014-12-02 07:34:06 +00:00
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if (NULL == (cp = realpath(dir, buf))) {
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2016-01-15 23:08:59 +00:00
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if (complain)
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warn("manpath: %s", dir);
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2012-10-18 09:55:16 +00:00
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return;
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2014-12-02 07:34:06 +00:00
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}
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2012-10-18 09:55:16 +00:00
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for (i = 0; i < dirs->sz; i++)
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if (0 == strcmp(dirs->paths[i], dir))
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return;
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2014-12-02 07:34:06 +00:00
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if (stat(cp, &sb) == -1) {
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2016-01-15 23:08:59 +00:00
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if (complain)
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warn("manpath: %s", dir);
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2014-12-02 07:34:06 +00:00
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return;
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}
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2014-11-22 18:08:25 +00:00
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dirs->paths = mandoc_reallocarray(dirs->paths,
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dirs->sz + 1, sizeof(char *));
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2012-10-18 09:55:16 +00:00
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dirs->paths[dirs->sz++] = mandoc_strdup(cp);
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}
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void
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2016-01-15 23:08:59 +00:00
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manconf_free(struct manconf *conf)
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2012-10-18 09:55:16 +00:00
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{
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2014-01-31 19:59:03 +00:00
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size_t i;
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2012-10-18 09:55:16 +00:00
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2016-01-15 23:08:59 +00:00
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for (i = 0; i < conf->manpath.sz; i++)
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free(conf->manpath.paths[i]);
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2012-10-18 09:55:16 +00:00
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2016-01-15 23:08:59 +00:00
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free(conf->manpath.paths);
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free(conf->output.includes);
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free(conf->output.man);
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free(conf->output.paper);
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free(conf->output.style);
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2012-10-18 09:55:16 +00:00
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}
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2016-01-15 23:08:59 +00:00
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static void
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manconf_file(struct manconf *conf, const char *file)
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2012-10-18 09:55:16 +00:00
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{
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2016-01-15 23:08:59 +00:00
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const char *const toks[] = { "manpath", "output", "_whatdb" };
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char manpath_default[] = MANPATH_DEFAULT;
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2012-10-18 09:55:16 +00:00
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FILE *stream;
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2016-01-15 23:08:59 +00:00
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char *line, *cp, *ep;
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size_t linesz, tok, toklen;
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ssize_t linelen;
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2012-10-18 09:55:16 +00:00
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2016-01-15 23:08:59 +00:00
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if ((stream = fopen(file, "r")) == NULL)
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goto out;
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2012-10-18 09:55:16 +00:00
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2016-01-15 23:08:59 +00:00
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line = NULL;
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linesz = 0;
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2012-10-18 09:55:16 +00:00
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2016-01-15 23:08:59 +00:00
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while ((linelen = getline(&line, &linesz, stream)) != -1) {
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cp = line;
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2016-07-23 11:45:42 +00:00
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ep = cp + linelen - 1;
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while (ep > cp && isspace((unsigned char)*ep))
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*ep-- = '\0';
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2016-01-15 23:08:59 +00:00
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while (isspace((unsigned char)*cp))
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cp++;
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2016-07-23 11:45:42 +00:00
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if (cp == ep || *cp == '#')
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2012-10-18 09:55:16 +00:00
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continue;
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2016-01-15 23:08:59 +00:00
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for (tok = 0; tok < sizeof(toks)/sizeof(toks[0]); tok++) {
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toklen = strlen(toks[tok]);
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if (cp + toklen < ep &&
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isspace((unsigned char)cp[toklen]) &&
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strncmp(cp, toks[tok], toklen) == 0) {
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cp += toklen;
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while (isspace((unsigned char)*cp))
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cp++;
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break;
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}
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}
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switch (tok) {
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case 2: /* _whatdb */
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while (ep > cp && ep[-1] != '/')
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ep--;
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if (ep == cp)
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continue;
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*ep = '\0';
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/* FALLTHROUGH */
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case 0: /* manpath */
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manpath_add(&conf->manpath, cp, 0);
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*manpath_default = '\0';
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break;
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case 1: /* output */
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2017-02-19 17:41:20 +00:00
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manconf_output(&conf->output, cp, 1);
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2016-01-15 23:08:59 +00:00
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break;
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default:
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break;
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}
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}
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free(line);
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2012-10-18 09:55:16 +00:00
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fclose(stream);
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2016-01-15 23:08:59 +00:00
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out:
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if (*manpath_default != '\0')
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manpath_parseline(&conf->manpath, manpath_default, 0);
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}
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2017-02-19 17:41:20 +00:00
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int
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manconf_output(struct manoutput *conf, const char *cp, int fromfile)
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2016-01-15 23:08:59 +00:00
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{
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const char *const toks[] = {
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2019-03-29 13:13:30 +00:00
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"includes", "man", "paper", "style", "indent", "width",
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"tag", "fragment", "mdoc", "noval", "toc"
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2016-01-15 23:08:59 +00:00
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};
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2017-02-19 17:41:20 +00:00
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const char *errstr;
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char *oldval;
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size_t len, tok;
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2016-01-15 23:08:59 +00:00
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for (tok = 0; tok < sizeof(toks)/sizeof(toks[0]); tok++) {
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len = strlen(toks[tok]);
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if ( ! strncmp(cp, toks[tok], len) &&
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strchr(" = ", cp[len]) != NULL) {
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cp += len;
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if (*cp == '=')
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cp++;
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while (isspace((unsigned char)*cp))
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cp++;
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break;
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}
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}
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2017-02-19 17:41:20 +00:00
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if (tok < 6 && *cp == '\0') {
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warnx("-O %s=?: Missing argument value", toks[tok]);
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return -1;
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}
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2019-03-29 13:13:30 +00:00
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if (tok > 6 && *cp != '\0') {
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2017-02-19 17:41:20 +00:00
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warnx("-O %s: Does not take a value: %s", toks[tok], cp);
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return -1;
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}
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2016-01-15 23:08:59 +00:00
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switch (tok) {
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case 0:
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2017-02-19 17:41:20 +00:00
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if (conf->includes != NULL) {
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oldval = mandoc_strdup(conf->includes);
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break;
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}
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conf->includes = mandoc_strdup(cp);
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return 0;
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2016-01-15 23:08:59 +00:00
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case 1:
|
2017-02-19 17:41:20 +00:00
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if (conf->man != NULL) {
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oldval = mandoc_strdup(conf->man);
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break;
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}
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conf->man = mandoc_strdup(cp);
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return 0;
|
2016-01-15 23:08:59 +00:00
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case 2:
|
2017-02-19 17:41:20 +00:00
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if (conf->paper != NULL) {
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oldval = mandoc_strdup(conf->paper);
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break;
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}
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conf->paper = mandoc_strdup(cp);
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return 0;
|
2016-01-15 23:08:59 +00:00
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case 3:
|
2017-02-19 17:41:20 +00:00
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if (conf->style != NULL) {
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oldval = mandoc_strdup(conf->style);
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break;
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}
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conf->style = mandoc_strdup(cp);
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return 0;
|
2016-01-15 23:08:59 +00:00
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case 4:
|
2017-02-19 17:41:20 +00:00
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if (conf->indent) {
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mandoc_asprintf(&oldval, "%zu", conf->indent);
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break;
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}
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conf->indent = strtonum(cp, 0, 1000, &errstr);
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if (errstr == NULL)
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return 0;
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warnx("-O indent=%s is %s", cp, errstr);
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return -1;
|
2016-01-15 23:08:59 +00:00
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case 5:
|
2017-02-19 17:41:20 +00:00
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if (conf->width) {
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mandoc_asprintf(&oldval, "%zu", conf->width);
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break;
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}
|
2017-07-31 19:17:54 +00:00
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|
|
conf->width = strtonum(cp, 1, 1000, &errstr);
|
2017-02-19 17:41:20 +00:00
|
|
|
if (errstr == NULL)
|
|
|
|
return 0;
|
|
|
|
warnx("-O width=%s is %s", cp, errstr);
|
|
|
|
return -1;
|
2016-01-15 23:08:59 +00:00
|
|
|
case 6:
|
2019-03-29 13:13:30 +00:00
|
|
|
if (conf->tag != NULL) {
|
|
|
|
oldval = mandoc_strdup(conf->tag);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
conf->tag = mandoc_strdup(cp);
|
2017-02-19 17:41:20 +00:00
|
|
|
return 0;
|
2016-01-15 23:08:59 +00:00
|
|
|
case 7:
|
2019-03-29 13:13:30 +00:00
|
|
|
conf->fragment = 1;
|
2017-02-19 17:41:20 +00:00
|
|
|
return 0;
|
|
|
|
case 8:
|
2019-03-29 13:13:30 +00:00
|
|
|
conf->mdoc = 1;
|
|
|
|
return 0;
|
|
|
|
case 9:
|
2017-02-19 17:41:20 +00:00
|
|
|
conf->noval = 1;
|
|
|
|
return 0;
|
2019-03-29 13:13:30 +00:00
|
|
|
case 10:
|
|
|
|
conf->toc = 1;
|
|
|
|
return 0;
|
2016-01-15 23:08:59 +00:00
|
|
|
default:
|
2017-02-19 17:41:20 +00:00
|
|
|
if (fromfile)
|
|
|
|
warnx("-O %s: Bad argument", cp);
|
|
|
|
return -1;
|
2016-01-15 23:08:59 +00:00
|
|
|
}
|
2017-02-19 17:41:20 +00:00
|
|
|
if (fromfile == 0)
|
|
|
|
warnx("-O %s=%s: Option already set to %s",
|
|
|
|
toks[tok], cp, oldval);
|
|
|
|
free(oldval);
|
|
|
|
return -1;
|
2012-10-18 09:55:16 +00:00
|
|
|
}
|