550 lines
11 KiB
C
550 lines
11 KiB
C
/* $Vendor-Id: man_validate.c,v 1.80 2012/01/03 15:16:24 kristaps Exp $ */
|
|
/*
|
|
* Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
|
|
* Copyright (c) 2010 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 AUTHOR DISCLAIMS ALL WARRANTIES
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR 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.
|
|
*/
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include <sys/types.h>
|
|
|
|
#include <assert.h>
|
|
#include <ctype.h>
|
|
#include <errno.h>
|
|
#include <limits.h>
|
|
#include <stdarg.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <time.h>
|
|
|
|
#include "man.h"
|
|
#include "mandoc.h"
|
|
#include "libman.h"
|
|
#include "libmandoc.h"
|
|
|
|
#define CHKARGS struct man *m, struct man_node *n
|
|
|
|
typedef int (*v_check)(CHKARGS);
|
|
|
|
struct man_valid {
|
|
v_check *pres;
|
|
v_check *posts;
|
|
};
|
|
|
|
static int check_eq0(CHKARGS);
|
|
static int check_eq2(CHKARGS);
|
|
static int check_le1(CHKARGS);
|
|
static int check_ge2(CHKARGS);
|
|
static int check_le5(CHKARGS);
|
|
static int check_par(CHKARGS);
|
|
static int check_part(CHKARGS);
|
|
static int check_root(CHKARGS);
|
|
static void check_text(CHKARGS);
|
|
|
|
static int post_AT(CHKARGS);
|
|
static int post_vs(CHKARGS);
|
|
static int post_fi(CHKARGS);
|
|
static int post_ft(CHKARGS);
|
|
static int post_nf(CHKARGS);
|
|
static int post_sec(CHKARGS);
|
|
static int post_TH(CHKARGS);
|
|
static int post_UC(CHKARGS);
|
|
static int pre_sec(CHKARGS);
|
|
|
|
static v_check posts_at[] = { post_AT, NULL };
|
|
static v_check posts_br[] = { post_vs, check_eq0, NULL };
|
|
static v_check posts_eq0[] = { check_eq0, NULL };
|
|
static v_check posts_eq2[] = { check_eq2, NULL };
|
|
static v_check posts_fi[] = { check_eq0, post_fi, NULL };
|
|
static v_check posts_ft[] = { post_ft, NULL };
|
|
static v_check posts_nf[] = { check_eq0, post_nf, NULL };
|
|
static v_check posts_par[] = { check_par, NULL };
|
|
static v_check posts_part[] = { check_part, NULL };
|
|
static v_check posts_sec[] = { post_sec, NULL };
|
|
static v_check posts_sp[] = { post_vs, check_le1, NULL };
|
|
static v_check posts_th[] = { check_ge2, check_le5, post_TH, NULL };
|
|
static v_check posts_uc[] = { post_UC, NULL };
|
|
static v_check pres_sec[] = { pre_sec, NULL };
|
|
|
|
static const struct man_valid man_valids[MAN_MAX] = {
|
|
{ NULL, posts_br }, /* br */
|
|
{ NULL, posts_th }, /* TH */
|
|
{ pres_sec, posts_sec }, /* SH */
|
|
{ pres_sec, posts_sec }, /* SS */
|
|
{ NULL, NULL }, /* TP */
|
|
{ NULL, posts_par }, /* LP */
|
|
{ NULL, posts_par }, /* PP */
|
|
{ NULL, posts_par }, /* P */
|
|
{ NULL, NULL }, /* IP */
|
|
{ NULL, NULL }, /* HP */
|
|
{ NULL, NULL }, /* SM */
|
|
{ NULL, NULL }, /* SB */
|
|
{ NULL, NULL }, /* BI */
|
|
{ NULL, NULL }, /* IB */
|
|
{ NULL, NULL }, /* BR */
|
|
{ NULL, NULL }, /* RB */
|
|
{ NULL, NULL }, /* R */
|
|
{ NULL, NULL }, /* B */
|
|
{ NULL, NULL }, /* I */
|
|
{ NULL, NULL }, /* IR */
|
|
{ NULL, NULL }, /* RI */
|
|
{ NULL, posts_eq0 }, /* na */
|
|
{ NULL, posts_sp }, /* sp */
|
|
{ NULL, posts_nf }, /* nf */
|
|
{ NULL, posts_fi }, /* fi */
|
|
{ NULL, NULL }, /* RE */
|
|
{ NULL, posts_part }, /* RS */
|
|
{ NULL, NULL }, /* DT */
|
|
{ NULL, posts_uc }, /* UC */
|
|
{ NULL, NULL }, /* PD */
|
|
{ NULL, posts_at }, /* AT */
|
|
{ NULL, NULL }, /* in */
|
|
{ NULL, posts_ft }, /* ft */
|
|
{ NULL, posts_eq2 }, /* OP */
|
|
};
|
|
|
|
|
|
int
|
|
man_valid_pre(struct man *m, struct man_node *n)
|
|
{
|
|
v_check *cp;
|
|
|
|
switch (n->type) {
|
|
case (MAN_TEXT):
|
|
/* FALLTHROUGH */
|
|
case (MAN_ROOT):
|
|
/* FALLTHROUGH */
|
|
case (MAN_EQN):
|
|
/* FALLTHROUGH */
|
|
case (MAN_TBL):
|
|
return(1);
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (NULL == (cp = man_valids[n->tok].pres))
|
|
return(1);
|
|
for ( ; *cp; cp++)
|
|
if ( ! (*cp)(m, n))
|
|
return(0);
|
|
return(1);
|
|
}
|
|
|
|
|
|
int
|
|
man_valid_post(struct man *m)
|
|
{
|
|
v_check *cp;
|
|
|
|
if (MAN_VALID & m->last->flags)
|
|
return(1);
|
|
m->last->flags |= MAN_VALID;
|
|
|
|
switch (m->last->type) {
|
|
case (MAN_TEXT):
|
|
check_text(m, m->last);
|
|
return(1);
|
|
case (MAN_ROOT):
|
|
return(check_root(m, m->last));
|
|
case (MAN_EQN):
|
|
/* FALLTHROUGH */
|
|
case (MAN_TBL):
|
|
return(1);
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (NULL == (cp = man_valids[m->last->tok].posts))
|
|
return(1);
|
|
for ( ; *cp; cp++)
|
|
if ( ! (*cp)(m, m->last))
|
|
return(0);
|
|
|
|
return(1);
|
|
}
|
|
|
|
|
|
static int
|
|
check_root(CHKARGS)
|
|
{
|
|
|
|
if (MAN_BLINE & m->flags)
|
|
man_nmsg(m, n, MANDOCERR_SCOPEEXIT);
|
|
else if (MAN_ELINE & m->flags)
|
|
man_nmsg(m, n, MANDOCERR_SCOPEEXIT);
|
|
|
|
m->flags &= ~MAN_BLINE;
|
|
m->flags &= ~MAN_ELINE;
|
|
|
|
if (NULL == m->first->child) {
|
|
man_nmsg(m, n, MANDOCERR_NODOCBODY);
|
|
return(0);
|
|
} else if (NULL == m->meta.title) {
|
|
man_nmsg(m, n, MANDOCERR_NOTITLE);
|
|
|
|
/*
|
|
* If a title hasn't been set, do so now (by
|
|
* implication, date and section also aren't set).
|
|
*/
|
|
|
|
m->meta.title = mandoc_strdup("unknown");
|
|
m->meta.msec = mandoc_strdup("1");
|
|
m->meta.date = mandoc_normdate
|
|
(m->parse, NULL, n->line, n->pos);
|
|
}
|
|
|
|
return(1);
|
|
}
|
|
|
|
static void
|
|
check_text(CHKARGS)
|
|
{
|
|
char *cp, *p;
|
|
|
|
if (MAN_LITERAL & m->flags)
|
|
return;
|
|
|
|
cp = n->string;
|
|
for (p = cp; NULL != (p = strchr(p, '\t')); p++)
|
|
man_pmsg(m, n->line, (int)(p - cp), MANDOCERR_BADTAB);
|
|
}
|
|
|
|
#define INEQ_DEFINE(x, ineq, name) \
|
|
static int \
|
|
check_##name(CHKARGS) \
|
|
{ \
|
|
if (n->nchild ineq (x)) \
|
|
return(1); \
|
|
mandoc_vmsg(MANDOCERR_ARGCOUNT, m->parse, n->line, n->pos, \
|
|
"line arguments %s %d (have %d)", \
|
|
#ineq, (x), n->nchild); \
|
|
return(1); \
|
|
}
|
|
|
|
INEQ_DEFINE(0, ==, eq0)
|
|
INEQ_DEFINE(2, ==, eq2)
|
|
INEQ_DEFINE(1, <=, le1)
|
|
INEQ_DEFINE(2, >=, ge2)
|
|
INEQ_DEFINE(5, <=, le5)
|
|
|
|
static int
|
|
post_ft(CHKARGS)
|
|
{
|
|
char *cp;
|
|
int ok;
|
|
|
|
if (0 == n->nchild)
|
|
return(1);
|
|
|
|
ok = 0;
|
|
cp = n->child->string;
|
|
switch (*cp) {
|
|
case ('1'):
|
|
/* FALLTHROUGH */
|
|
case ('2'):
|
|
/* FALLTHROUGH */
|
|
case ('3'):
|
|
/* FALLTHROUGH */
|
|
case ('4'):
|
|
/* FALLTHROUGH */
|
|
case ('I'):
|
|
/* FALLTHROUGH */
|
|
case ('P'):
|
|
/* FALLTHROUGH */
|
|
case ('R'):
|
|
if ('\0' == cp[1])
|
|
ok = 1;
|
|
break;
|
|
case ('B'):
|
|
if ('\0' == cp[1] || ('I' == cp[1] && '\0' == cp[2]))
|
|
ok = 1;
|
|
break;
|
|
case ('C'):
|
|
if ('W' == cp[1] && '\0' == cp[2])
|
|
ok = 1;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (0 == ok) {
|
|
mandoc_vmsg
|
|
(MANDOCERR_BADFONT, m->parse,
|
|
n->line, n->pos, "%s", cp);
|
|
*cp = '\0';
|
|
}
|
|
|
|
if (1 < n->nchild)
|
|
mandoc_vmsg
|
|
(MANDOCERR_ARGCOUNT, m->parse, n->line,
|
|
n->pos, "want one child (have %d)",
|
|
n->nchild);
|
|
|
|
return(1);
|
|
}
|
|
|
|
static int
|
|
pre_sec(CHKARGS)
|
|
{
|
|
|
|
if (MAN_BLOCK == n->type)
|
|
m->flags &= ~MAN_LITERAL;
|
|
return(1);
|
|
}
|
|
|
|
static int
|
|
post_sec(CHKARGS)
|
|
{
|
|
|
|
if ( ! (MAN_HEAD == n->type && 0 == n->nchild))
|
|
return(1);
|
|
|
|
man_nmsg(m, n, MANDOCERR_SYNTARGCOUNT);
|
|
return(0);
|
|
}
|
|
|
|
static int
|
|
check_part(CHKARGS)
|
|
{
|
|
|
|
if (MAN_BODY == n->type && 0 == n->nchild)
|
|
mandoc_msg(MANDOCERR_ARGCWARN, m->parse, n->line,
|
|
n->pos, "want children (have none)");
|
|
|
|
return(1);
|
|
}
|
|
|
|
|
|
static int
|
|
check_par(CHKARGS)
|
|
{
|
|
|
|
switch (n->type) {
|
|
case (MAN_BLOCK):
|
|
if (0 == n->body->nchild)
|
|
man_node_delete(m, n);
|
|
break;
|
|
case (MAN_BODY):
|
|
if (0 == n->nchild)
|
|
man_nmsg(m, n, MANDOCERR_IGNPAR);
|
|
break;
|
|
case (MAN_HEAD):
|
|
if (n->nchild)
|
|
man_nmsg(m, n, MANDOCERR_ARGSLOST);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return(1);
|
|
}
|
|
|
|
|
|
static int
|
|
post_TH(CHKARGS)
|
|
{
|
|
const char *p;
|
|
int line, pos;
|
|
|
|
if (m->meta.title)
|
|
free(m->meta.title);
|
|
if (m->meta.vol)
|
|
free(m->meta.vol);
|
|
if (m->meta.source)
|
|
free(m->meta.source);
|
|
if (m->meta.msec)
|
|
free(m->meta.msec);
|
|
if (m->meta.date)
|
|
free(m->meta.date);
|
|
|
|
line = n->line;
|
|
pos = n->pos;
|
|
m->meta.title = m->meta.vol = m->meta.date =
|
|
m->meta.msec = m->meta.source = NULL;
|
|
|
|
/* ->TITLE<- MSEC DATE SOURCE VOL */
|
|
|
|
n = n->child;
|
|
if (n && n->string) {
|
|
for (p = n->string; '\0' != *p; p++) {
|
|
/* Only warn about this once... */
|
|
if (isalpha((unsigned char)*p) &&
|
|
! isupper((unsigned char)*p)) {
|
|
man_nmsg(m, n, MANDOCERR_UPPERCASE);
|
|
break;
|
|
}
|
|
}
|
|
m->meta.title = mandoc_strdup(n->string);
|
|
} else
|
|
m->meta.title = mandoc_strdup("");
|
|
|
|
/* TITLE ->MSEC<- DATE SOURCE VOL */
|
|
|
|
if (n)
|
|
n = n->next;
|
|
if (n && n->string)
|
|
m->meta.msec = mandoc_strdup(n->string);
|
|
else
|
|
m->meta.msec = mandoc_strdup("");
|
|
|
|
/* TITLE MSEC ->DATE<- SOURCE VOL */
|
|
|
|
if (n)
|
|
n = n->next;
|
|
if (n && n->string && '\0' != n->string[0]) {
|
|
pos = n->pos;
|
|
m->meta.date = mandoc_normdate
|
|
(m->parse, n->string, line, pos);
|
|
} else
|
|
m->meta.date = mandoc_strdup("");
|
|
|
|
/* TITLE MSEC DATE ->SOURCE<- VOL */
|
|
|
|
if (n && (n = n->next))
|
|
m->meta.source = mandoc_strdup(n->string);
|
|
|
|
/* TITLE MSEC DATE SOURCE ->VOL<- */
|
|
/* If missing, use the default VOL name for MSEC. */
|
|
|
|
if (n && (n = n->next))
|
|
m->meta.vol = mandoc_strdup(n->string);
|
|
else if ('\0' != m->meta.msec[0] &&
|
|
(NULL != (p = mandoc_a2msec(m->meta.msec))))
|
|
m->meta.vol = mandoc_strdup(p);
|
|
|
|
/*
|
|
* Remove the `TH' node after we've processed it for our
|
|
* meta-data.
|
|
*/
|
|
man_node_delete(m, m->last);
|
|
return(1);
|
|
}
|
|
|
|
static int
|
|
post_nf(CHKARGS)
|
|
{
|
|
|
|
if (MAN_LITERAL & m->flags)
|
|
man_nmsg(m, n, MANDOCERR_SCOPEREP);
|
|
|
|
m->flags |= MAN_LITERAL;
|
|
return(1);
|
|
}
|
|
|
|
static int
|
|
post_fi(CHKARGS)
|
|
{
|
|
|
|
if ( ! (MAN_LITERAL & m->flags))
|
|
man_nmsg(m, n, MANDOCERR_WNOSCOPE);
|
|
|
|
m->flags &= ~MAN_LITERAL;
|
|
return(1);
|
|
}
|
|
|
|
static int
|
|
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 (NULL == n || MAN_TEXT != n->type)
|
|
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];
|
|
}
|
|
|
|
if (m->meta.source)
|
|
free(m->meta.source);
|
|
|
|
m->meta.source = mandoc_strdup(p);
|
|
return(1);
|
|
}
|
|
|
|
static int
|
|
post_AT(CHKARGS)
|
|
{
|
|
static const char * const unix_versions[] = {
|
|
"7th Edition",
|
|
"System III",
|
|
"System V",
|
|
"System V Release 2",
|
|
};
|
|
|
|
const char *p, *s;
|
|
struct man_node *nn;
|
|
|
|
n = n->child;
|
|
|
|
if (NULL == n || MAN_TEXT != n->type)
|
|
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 && MAN_TEXT == nn->type && nn->string[0])
|
|
p = unix_versions[3];
|
|
else
|
|
p = unix_versions[2];
|
|
} else
|
|
p = unix_versions[0];
|
|
}
|
|
|
|
if (m->meta.source)
|
|
free(m->meta.source);
|
|
|
|
m->meta.source = mandoc_strdup(p);
|
|
return(1);
|
|
}
|
|
|
|
static int
|
|
post_vs(CHKARGS)
|
|
{
|
|
|
|
/*
|
|
* Don't warn about this because it occurs in pod2man and would
|
|
* cause considerable (unfixable) warnage.
|
|
*/
|
|
if (NULL == n->prev && MAN_ROOT == n->parent->type)
|
|
man_node_delete(m, n);
|
|
|
|
return(1);
|
|
}
|