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📄 cgi.c(27.06 KB)
📄 cgi.h.example(220 B)
📄 chars.c(13.24 KB)
📄 compat_err.c(2.68 KB)
📄 compat_fts.c(17.42 KB)
📄 compat_fts.h(4.09 KB)
📄 compat_getline.c(1.59 KB)
📄 compat_getsubopt.c(2.89 KB)
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📄 compat_ohash.c(6.82 KB)
📄 compat_ohash.h(2.63 KB)
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📄 compat_reallocarray.c(1.49 KB)
📄 compat_recallocarray.c(2.88 KB)
📄 compat_strcasestr.c(2.38 KB)
📄 compat_stringlist.c(2.71 KB)
📄 compat_stringlist.h(1.73 KB)
📄 compat_strlcat.c(1.71 KB)
📄 compat_strlcpy.c(1.59 KB)
📄 compat_strndup.c(1.3 KB)
📄 compat_strsep.c(2.55 KB)
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📄 compat_vasprintf.c(1.55 KB)
📄 config.h(1.33 KB)
📄 configure(17.5 KB)
📄 configure.local.example(11.37 KB)
📄 dba.c(13.02 KB)
📄 dba.h(1.73 KB)
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📄 dba_array.h(2 KB)
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📄 dba_write.h(1.23 KB)
📄 dbm.c(9.28 KB)
📄 dbm.h(1.94 KB)
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📄 demandoc.1(2.64 KB)
📄 demandoc.c(5.21 KB)
📄 eqn.7(12.07 KB)
📄 eqn.c(27.21 KB)
📄 eqn.h(2.19 KB)
📄 eqn_html.c(5.91 KB)
📄 eqn_parse.h(1.96 KB)
📄 eqn_term.c(4.83 KB)
📄 gmdiff(1.74 KB)
📄 html.c(19.34 KB)
📄 html.h(3.86 KB)
📄 lib.c(1.07 KB)
📄 lib.in(8.96 KB)
📄 libman.h(1.66 KB)
📄 libmandoc.h(3.21 KB)
📄 libmdoc.h(2.97 KB)
📄 main.c(28.93 KB)
📄 main.h(2.06 KB)
📄 makewhatis.8(4.78 KB)
📄 man-cgi.css(464 B)
📄 man.1(9.33 KB)
📄 man.7(16.8 KB)
📄 man.c(8.62 KB)
📄 man.cgi.3(7.83 KB)
📄 man.cgi.8(11.02 KB)
📄 man.conf.5(3.92 KB)
📄 man.h(991 B)
📄 man.options.1(21.05 KB)
📄 man_html.c(13.39 KB)
📄 man_macro.c(11.4 KB)
📄 man_term.c(25.6 KB)
📄 man_validate.c(11.84 KB)
📄 manconf.h(1.56 KB)
📄 mandoc.1(54.89 KB)
📄 mandoc.3(12.5 KB)
📄 mandoc.c(12.41 KB)
📄 mandoc.css(8.63 KB)
📄 mandoc.db.5(5.74 KB)
📄 mandoc.h(14.92 KB)
📄 mandoc_aux.c(2.42 KB)
📄 mandoc_aux.h(1.31 KB)
📄 mandoc_char.7(29.23 KB)
📄 mandoc_escape.3(9.33 KB)
📄 mandoc_headers.3(12.41 KB)
📄 mandoc_html.3(7.42 KB)
📄 mandoc_malloc.3(4.46 KB)
📄 mandoc_msg.c(8.92 KB)
📄 mandoc_ohash.c(1.58 KB)
📄 mandoc_ohash.h(1004 B)
📄 mandoc_parse.h(1.82 KB)
📄 mandoc_xr.c(2.75 KB)
📄 mandoc_xr.h(1.17 KB)
📄 mandocd.8(4.59 KB)
📄 mandocd.c(5.98 KB)
📄 mandocdb.c(55.16 KB)
📄 manpath.c(7.73 KB)
📄 manpath.h(1.22 KB)
📄 mansearch.3(3.26 KB)
📄 mansearch.c(18.99 KB)
📄 mansearch.h(4.03 KB)
📄 mchars_alloc.3(5.24 KB)
📄 mdoc.7(73.34 KB)
📄 mdoc.c(9.99 KB)
📄 mdoc.h(3.96 KB)
📄 mdoc_argv.c(16.19 KB)
📄 mdoc_html.c(36.48 KB)
📄 mdoc_macro.c(39.55 KB)
📄 mdoc_man.c(37.07 KB)
📄 mdoc_markdown.c(33.41 KB)
📄 mdoc_state.c(5.24 KB)
📄 mdoc_term.c(43.69 KB)
📄 mdoc_validate.c(61.85 KB)
📄 msec.c(1.09 KB)
📄 msec.in(1.48 KB)
📄 out.c(13.61 KB)
📄 out.h(2.26 KB)
📄 preconv.c(3.84 KB)
📄 predefs.in(2.05 KB)
📄 read.c(16.44 KB)
📄 roff.7(61.96 KB)
📄 roff.c(98.93 KB)
📄 roff.h(8.85 KB)
📄 roff_html.c(2.92 KB)
📄 roff_int.h(4.08 KB)
📄 roff_term.c(5.36 KB)
📄 roff_validate.c(3.41 KB)
📄 soelim.1(2.6 KB)
📄 soelim.c(3.76 KB)
📄 st.c(4.33 KB)
📄 tag.c(6.65 KB)
📄 tag.h(1.09 KB)
📄 tbl.3(6.9 KB)
📄 tbl.7(10.91 KB)
📄 tbl.c(3.89 KB)
📄 tbl.h(4.43 KB)
📄 tbl_data.c(7.3 KB)
📄 tbl_html.c(5.74 KB)
📄 tbl_int.h(2.09 KB)
📄 tbl_layout.c(8.06 KB)
📄 tbl_opts.c(3.77 KB)
📄 tbl_parse.h(1.31 KB)
📄 tbl_term.c(24.42 KB)
📄 term.c(24.4 KB)
📄 term.h(6.14 KB)
📄 term_ascii.c(9.88 KB)
📄 term_ps.c(27.41 KB)
📄 term_tab.c(3 KB)
📄 test-EFTYPE.c(56 B)
📄 test-O_DIRECTORY.c(88 B)
📄 test-PATH_MAX.c(1.02 KB)
📄 test-be32toh.c(147 B)
📄 test-cmsg.c(174 B)
📄 test-dirent-namlen.c(124 B)
📄 test-err.c(994 B)
📄 test-fgetln.c(147 B)
📄 test-fts.c(964 B)
📄 test-getline.c(186 B)
📄 test-getsubopt.c(1.31 KB)
📄 test-isblank.c(96 B)
📄 test-mkdtemp.c(175 B)
📄 test-nanosleep.c(239 B)
📄 test-noop.c(30 B)
📄 test-ntohl.c(91 B)
📄 test-ohash.c(585 B)
📄 test-pledge.c(73 B)
📄 test-progname.c(118 B)
📄 test-reallocarray.c(75 B)
📄 test-recallocarray.c(132 B)
📄 test-recvmsg.c(100 B)
📄 test-rewb-bsd.c(618 B)
📄 test-rewb-sysv.c(610 B)
📄 test-sandbox_init.c(186 B)
📄 test-strcasestr.c(131 B)
📄 test-stringlist.c(1.14 KB)
📄 test-strlcat.c(166 B)
📄 test-strlcpy.c(148 B)
📄 test-strndup.c(141 B)
📄 test-strptime.c(212 B)
📄 test-strsep.c(183 B)
📄 test-strtonum.c(1.25 KB)
📄 test-vasprintf.c(1.25 KB)
📄 test-wchar.c(1.58 KB)
📄 tree.c(8.17 KB)

Editing: man_validate.c

/*	$Id: man_validate.c,v 1.149 2019/06/27 15:07:30 schwarze Exp $ */
/*
 * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
 * Copyright (c) 2010, 2012-2018 Ingo Schwarze <schwarze@openbsd.org>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */
#include "config.h"

#include <sys/types.h>

#include <assert.h>
#include <ctype.h>
#include <errno.h>
#include <limits.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>

#include "mandoc_aux.h"
#include "mandoc.h"
#include "roff.h"
#include "man.h"
#include "libmandoc.h"
#include "roff_int.h"
#include "libman.h"

#define	CHKARGS	  struct roff_man *man, struct roff_node *n

typedef	void	(*v_check)(CHKARGS);

static	void	  check_abort(CHKARGS) __attribute__((__noreturn__));
static	void	  check_par(CHKARGS);
static	void	  check_part(CHKARGS);
static	void	  check_root(CHKARGS);
static	void	  check_text(CHKARGS);

static	void	  post_AT(CHKARGS);
static	void	  post_EE(CHKARGS);
static	void	  post_EX(CHKARGS);
static	void	  post_IP(CHKARGS);
static	void	  post_OP(CHKARGS);
static	void	  post_SH(CHKARGS);
static	void	  post_TH(CHKARGS);
static	void	  post_UC(CHKARGS);
static	void	  post_UR(CHKARGS);
static	void	  post_in(CHKARGS);

static	const v_check man_valids[MAN_MAX - MAN_TH] = {
	post_TH,    /* TH */
	post_SH,    /* SH */
	post_SH,    /* SS */
	NULL,       /* TP */
	NULL,       /* TQ */
	check_abort,/* LP */
	check_par,  /* PP */
	check_abort,/* P */
	post_IP,    /* IP */
	NULL,       /* HP */
	NULL,       /* SM */
	NULL,       /* SB */
	NULL,       /* BI */
	NULL,       /* IB */
	NULL,       /* BR */
	NULL,       /* RB */
	NULL,       /* R */
	NULL,       /* B */
	NULL,       /* I */
	NULL,       /* IR */
	NULL,       /* RI */
	NULL,       /* RE */
	check_part, /* RS */
	NULL,       /* DT */
	post_UC,    /* UC */
	NULL,       /* PD */
	post_AT,    /* AT */
	post_in,    /* in */
	NULL,       /* SY */
	NULL,       /* YS */
	post_OP,    /* OP */
	post_EX,    /* EX */
	post_EE,    /* EE */
	post_UR,    /* UR */
	NULL,       /* UE */
	post_UR,    /* MT */
	NULL,       /* ME */
};

/* Validate the subtree rooted at man->last. */
void
man_validate(struct roff_man *man)
{
	struct roff_node *n;
	const v_check	 *cp;

/*
	 * Translate obsolete macros such that later code
	 * does not need to look for them.
	 */

n = man->last;
	switch (n->tok) {
	case MAN_LP:
	case MAN_P:
		n->tok = MAN_PP;
		break;
	default:
		break;
	}

/*
	 * Iterate over all children, recursing into each one
	 * in turn, depth-first.
	 */

man->last = man->last->child;
	while (man->last != NULL) {
		man_validate(man);
		if (man->last == n)
			man->last = man->last->child;
		else
			man->last = man->last->next;
	}

/* Finally validate the macro itself. */

man->last = n;
	man->next = ROFF_NEXT_SIBLING;
	switch (n->type) {
	case ROFFT_TEXT:
		check_text(man, n);
		break;
	case ROFFT_ROOT:
		check_root(man, n);
		break;
	case ROFFT_COMMENT:
	case ROFFT_EQN:
	case ROFFT_TBL:
		break;
	default:
		if (n->tok < ROFF_MAX) {
			roff_validate(man);
			break;
		}
		assert(n->tok >= MAN_TH && n->tok < MAN_MAX);
		cp = man_valids + (n->tok - MAN_TH);
		if (*cp)
			(*cp)(man, n);
		if (man->last == n)
			n->flags |= NODE_VALID;
		break;
	}
}

static void
check_root(CHKARGS)
{
	assert((man->flags & (MAN_BLINE | MAN_ELINE)) == 0);

if (n->last == NULL || n->last->type == ROFFT_COMMENT)
		mandoc_msg(MANDOCERR_DOC_EMPTY, n->line, n->pos, NULL);
	else
		man->meta.hasbody = 1;

if (NULL == man->meta.title) {
		mandoc_msg(MANDOCERR_TH_NOTITLE, n->line, n->pos, NULL);

/*
		 * If a title hasn't been set, do so now (by
		 * implication, date and section also aren't set).
		 */

man->meta.title = mandoc_strdup("");
		man->meta.msec = mandoc_strdup("");
		man->meta.date = mandoc_normdate(man, NULL, n->line, n->pos);
	}

if (man->meta.os_e &&
	    (man->meta.rcsids & (1 << man->meta.os_e)) == 0)
		mandoc_msg(MANDOCERR_RCS_MISSING, 0, 0,
		    man->meta.os_e == MANDOC_OS_OPENBSD ?
		    "(OpenBSD)" : "(NetBSD)");
}

static void
check_abort(CHKARGS)
{
	abort();
}

static void
check_text(CHKARGS)
{
	char		*cp, *p;

if (n->flags & NODE_NOFILL)
		return;

cp = n->string;
	for (p = cp; NULL != (p = strchr(p, '\t')); p++)
		mandoc_msg(MANDOCERR_FI_TAB,
		    n->line, n->pos + (int)(p - cp), NULL);
}

static void
post_EE(CHKARGS)
{
	if ((n->flags & NODE_NOFILL) == 0)
		mandoc_msg(MANDOCERR_FI_SKIP, n->line, n->pos, "EE");
}

static void
post_EX(CHKARGS)
{
	if (n->flags & NODE_NOFILL)
		mandoc_msg(MANDOCERR_NF_SKIP, n->line, n->pos, "EX");
}

static void
post_OP(CHKARGS)
{

if (n->child == NULL)
		mandoc_msg(MANDOCERR_OP_EMPTY, n->line, n->pos, "OP");
	else if (n->child->next != NULL && n->child->next->next != NULL) {
		n = n->child->next->next;
		mandoc_msg(MANDOCERR_ARG_EXCESS,
		    n->line, n->pos, "OP ... %s", n->string);
	}
}

static void
post_SH(CHKARGS)
{
	struct roff_node	*nc;

if (n->type != ROFFT_BODY || (nc = n->child) == NULL)
		return;

if (nc->tok == MAN_PP && nc->body->child != NULL) {
		while (nc->body->last != NULL) {
			man->next = ROFF_NEXT_CHILD;
			roff_node_relink(man, nc->body->last);
			man->last = n;
		}
	}

if (nc->tok == MAN_PP || nc->tok == ROFF_sp || nc->tok == ROFF_br) {
		mandoc_msg(MANDOCERR_PAR_SKIP, nc->line, nc->pos,
		    "%s after %s", roff_name[nc->tok], roff_name[n->tok]);
		roff_node_delete(man, nc);
	}

/*
	 * Trailing PP is empty, so it is deleted by check_par().
	 * Trailing sp is significant.
	 */

if ((nc = n->last) != NULL && nc->tok == ROFF_br) {
		mandoc_msg(MANDOCERR_PAR_SKIP,
		    nc->line, nc->pos, "%s at the end of %s",
		    roff_name[nc->tok], roff_name[n->tok]);
		roff_node_delete(man, nc);
	}
}

static void
post_UR(CHKARGS)
{
	if (n->type == ROFFT_HEAD && n->child == NULL)
		mandoc_msg(MANDOCERR_UR_NOHEAD, n->line, n->pos,
		    "%s", roff_name[n->tok]);
	check_part(man, n);
}

static void
check_part(CHKARGS)
{

if (n->type == ROFFT_BODY && n->child == NULL)
		mandoc_msg(MANDOCERR_BLK_EMPTY, n->line, n->pos,
		    "%s", roff_name[n->tok]);
}

static void
check_par(CHKARGS)
{

switch (n->type) {
	case ROFFT_BLOCK:
		if (n->body->child == NULL)
			roff_node_delete(man, n);
		break;
	case ROFFT_BODY:
		if (n->child != NULL &&
		    (n->child->tok == ROFF_sp || n->child->tok == ROFF_br)) {
			mandoc_msg(MANDOCERR_PAR_SKIP,
			    n->child->line, n->child->pos,
			    "%s after %s", roff_name[n->child->tok],
			    roff_name[n->tok]);
			roff_node_delete(man, n->child);
		}
		if (n->child == NULL)
			mandoc_msg(MANDOCERR_PAR_SKIP, n->line, n->pos,
			    "%s empty", roff_name[n->tok]);
		break;
	case ROFFT_HEAD:
		if (n->child != NULL)
			mandoc_msg(MANDOCERR_ARG_SKIP,
			    n->line, n->pos, "%s %s%s",
			    roff_name[n->tok], n->child->string,
			    n->child->next != NULL ? " ..." : "");
		break;
	default:
		break;
	}
}

static void
post_IP(CHKARGS)
{

switch (n->type) {
	case ROFFT_BLOCK:
		if (n->head->child == NULL && n->body->child == NULL)
			roff_node_delete(man, n);
		break;
	case ROFFT_BODY:
		if (n->parent->head->child == NULL && n->child == NULL)
			mandoc_msg(MANDOCERR_PAR_SKIP, n->line, n->pos,
			    "%s empty", roff_name[n->tok]);
		break;
	default:
		break;
	}
}

static void
post_TH(CHKARGS)
{
	struct roff_node *nb;
	const char	*p;

free(man->meta.title);
	free(man->meta.vol);
	free(man->meta.os);
	free(man->meta.msec);
	free(man->meta.date);

man->meta.title = man->meta.vol = man->meta.date =
	    man->meta.msec = man->meta.os = NULL;

nb = n;

/* ->TITLE<- MSEC DATE OS VOL */

n = n->child;
	if (n != NULL && n->string != NULL) {
		for (p = n->string; *p != '\0'; p++) {
			/* Only warn about this once... */
			if (isalpha((unsigned char)*p) &&
			    ! isupper((unsigned char)*p)) {
				mandoc_msg(MANDOCERR_TITLE_CASE, n->line,
				    n->pos + (int)(p - n->string),
				    "TH %s", n->string);
				break;
			}
		}
		man->meta.title = mandoc_strdup(n->string);
	} else {
		man->meta.title = mandoc_strdup("");
		mandoc_msg(MANDOCERR_TH_NOTITLE, nb->line, nb->pos, "TH");
	}

/* TITLE ->MSEC<- DATE OS VOL */

if (n != NULL)
		n = n->next;
	if (n != NULL && n->string != NULL)
		man->meta.msec = mandoc_strdup(n->string);
	else {
		man->meta.msec = mandoc_strdup("");
		mandoc_msg(MANDOCERR_MSEC_MISSING,
		    nb->line, nb->pos, "TH %s", man->meta.title);
	}

/* TITLE MSEC ->DATE<- OS VOL */

if (n != NULL)
		n = n->next;
	if (n != NULL && n->string != NULL && n->string[0] != '\0')
		man->meta.date = mandoc_normdate(man,
		    n->string, n->line, n->pos);
	else {
		man->meta.date = mandoc_strdup("");
		mandoc_msg(MANDOCERR_DATE_MISSING,
		    n == NULL ? nb->line : n->line,
		    n == NULL ? nb->pos : n->pos, "TH");
	}

/* TITLE MSEC DATE ->OS<- VOL */

if (n && (n = n->next))
		man->meta.os = mandoc_strdup(n->string);
	else if (man->os_s != NULL)
		man->meta.os = mandoc_strdup(man->os_s);
	if (man->meta.os_e == MANDOC_OS_OTHER && man->meta.os != NULL) {
		if (strstr(man->meta.os, "OpenBSD") != NULL)
			man->meta.os_e = MANDOC_OS_OPENBSD;
		else if (strstr(man->meta.os, "NetBSD") != NULL)
			man->meta.os_e = MANDOC_OS_NETBSD;
	}

/* TITLE MSEC DATE OS ->VOL<- */
	/* If missing, use the default VOL name for MSEC. */

if (n && (n = n->next))
		man->meta.vol = mandoc_strdup(n->string);
	else if ('\0' != man->meta.msec[0] &&
	    (NULL != (p = mandoc_a2msec(man->meta.msec))))
		man->meta.vol = mandoc_strdup(p);

if (n != NULL && (n = n->next) != NULL)
		mandoc_msg(MANDOCERR_ARG_EXCESS,
		    n->line, n->pos, "TH ... %s", n->string);

/*
	 * Remove the `TH' node after we've processed it for our
	 * meta-data.
	 */
	roff_node_delete(man, man->last);
}

static void
post_UC(CHKARGS)
{
	static const char * const bsd_versions[] = {
	    "3rd Berkeley Distribution",
	    "4th Berkeley Distribution",
	    "4.2 Berkeley Distribution",
	    "4.3 Berkeley Distribution",
	    "4.4 Berkeley Distribution",
	};

const char	*p, *s;

n = n->child;

if (n == NULL || n->type != ROFFT_TEXT)
		p = bsd_versions[0];
	else {
		s = n->string;
		if (0 == strcmp(s, "3"))
			p = bsd_versions[0];
		else if (0 == strcmp(s, "4"))
			p = bsd_versions[1];
		else if (0 == strcmp(s, "5"))
			p = bsd_versions[2];
		else if (0 == strcmp(s, "6"))
			p = bsd_versions[3];
		else if (0 == strcmp(s, "7"))
			p = bsd_versions[4];
		else
			p = bsd_versions[0];
	}

free(man->meta.os);
	man->meta.os = mandoc_strdup(p);
}

static void
post_AT(CHKARGS)
{
	static const char * const unix_versions[] = {
	    "7th Edition",
	    "System III",
	    "System V",
	    "System V Release 2",
	};

struct roff_node *nn;
	const char	*p, *s;

n = n->child;

if (n == NULL || n->type != ROFFT_TEXT)
		p = unix_versions[0];
	else {
		s = n->string;
		if (0 == strcmp(s, "3"))
			p = unix_versions[0];
		else if (0 == strcmp(s, "4"))
			p = unix_versions[1];
		else if (0 == strcmp(s, "5")) {
			nn = n->next;
			if (nn != NULL &&
			    nn->type == ROFFT_TEXT &&
			    nn->string[0] != '\0')
				p = unix_versions[3];
			else
				p = unix_versions[2];
		} else
			p = unix_versions[0];
	}

free(man->meta.os);
	man->meta.os = mandoc_strdup(p);
}

static void
post_in(CHKARGS)
{
	char	*s;

if (n->parent->tok != MAN_TP ||
	    n->parent->type != ROFFT_HEAD ||
	    n->child == NULL ||
	    *n->child->string == '+' ||
	    *n->child->string == '-')
		return;
	mandoc_asprintf(&s, "+%s", n->child->string);
	free(n->child->string);
	n->child->string = s;
}

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