/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2005, Dave Pare, Jeff Bailey, Thomas Ruschak,
- * Ken Stevens, Steve McClure
+ * Copyright (C) 1986-2011, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ * Ken Stevens, Steve McClure, Markus Armbruster
*
- * This program is free software; you can redistribute it and/or modify
+ * Empire is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
+ * the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* ---
*
- * See the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
- * related information and legal notices. It is expected that any future
- * projects/authors will amend these files as needed.
+ * See files README, COPYING and CREDITS in the root of the source
+ * tree for related information and legal notices. It is expected
+ * that future projects/authors will amend these files as needed.
*
* ---
*
* ef_verify.c: Verify game configuration
- *
+ *
* Known contributors to this file:
* Ron Koenderink, 2005
- *
+ * Markus Armbruster, 2006-2011
*/
-#include <stdio.h>
-#include <time.h>
+#include <config.h>
-#include "prototypes.h"
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include "empobj.h"
#include "file.h"
+#include "misc.h"
#include "nsc.h"
+#include "product.h"
+
+static void verify_fail(int, int, struct castr *, int, char *, ...)
+ ATTRIBUTE((format (printf, 5, 6)));
+
+static void
+verify_fail(int type, int row, struct castr *ca, int idx, char *fmt, ...)
+{
+ int base = empfile[type].base < 0 ? type : empfile[type].base;
+ va_list ap;
+
+ fprintf(stderr, "%s %s uid %d",
+ EF_IS_GAME_STATE(base) ? "File" : "Config",
+ ef_nameof(type), row);
+ if (ca) {
+ fprintf(stderr, " field %s", ca->ca_name);
+ if (ca->ca_type != NSC_STRINGY && ca->ca_len != 0)
+ fprintf(stderr, "(%d)", idx);
+ }
+ fprintf(stderr, ": ");
+ va_start(ap, fmt);
+ vfprintf(stderr, fmt, ap);
+ va_end(ap);
+ putc('\n', stderr);
+}
+
+static int
+verify_ca(int type)
+{
+ struct castr *ca = ef_cadef(type);
+ int i;
+
+ for (i = 0; ca[i].ca_name; i++) {
+ /*
+ * Virtual selectors must be NSC_EXTRA, because xundump can't
+ * cope with them without setter methods. Exception: if
+ * EFF_MEM is not set, xundump doesn't touch the table.
+ */
+ if (CANT_HAPPEN((ef_flags(type) & EFF_MEM)
+ && ca[i].ca_get && !(ca[i].ca_flags & NSC_EXTRA)))
+ ca[i].ca_flags |= NSC_EXTRA;
+ }
+ return 0;
+}
+
+static int
+verify_tabref(int type, int row, struct castr *ca, int idx, long val)
+{
+ int tabno = ca->ca_table;
+ struct castr *ca_sym = ef_cadef(tabno);
+ int i;
+
+ if (ca->ca_flags & NSC_BITS) {
+ /* symbol set */
+ if (CANT_HAPPEN(ca_sym != symbol_ca))
+ return -1;
+ for (i = 0; i < (int)sizeof(long) * 8; i++) {
+ if (val & (1L << i)) {
+ if (!symbol_by_value(1L << i, ef_ptr(tabno, 0))) {
+ verify_fail(type, row, ca, idx,
+ "bit %d is not in symbol table %s",
+ i, ef_nameof(tabno));
+ return -1;
+ }
+ }
+ }
+ } else if (ca_sym == symbol_ca) {
+ /* symbol */
+ if (!symbol_by_value(val, ef_ptr(tabno, 0))) {
+ verify_fail(type, row, ca, idx,
+ "value %ld is not in symbol table %s",
+ val, ef_nameof(tabno));
+ return -1;
+ }
+ } else {
+ /* table index */
+ if (val >= ef_nelem(tabno) || val < -1) {
+ verify_fail(type, row, ca, idx,
+ "value %ld indexes table %s out of bounds 0..%d",
+ val, ef_nameof(tabno), ef_nelem(tabno));
+ return -1;
+ }
+ /* laziness: assumes TABNO is EFF_MEM */
+ if (val >= 0 && !empobj_in_use(tabno, ef_ptr(tabno, val))) {
+ verify_fail(type, row, ca, idx,
+ "value %ld refers to missing element of table %s",
+ val, ef_nameof(tabno));
+ return -1;
+ }
+ }
+ return 0;
+}
static int
verify_row(int type, int row)
{
struct castr *ca = ef_cadef(type);
- void *row_ref = malloc(empfile[type].size);
- int i, j, k, n;
- struct castr *ca_sym;
+ struct empobj *row_ref;
+ int i, j, n;
struct valstr val;
- int ret_val = 0;
- int in_mem = (ef_flags(type) & EFF_MEM) != 0;
-
-
- if (!in_mem) {
- row_ref = malloc(empfile[type].size);
- ef_read(type, row, row_ref);
- } else
- row_ref = ef_ptr(type, row);
-
-// if (ef_flags(type) & EFF_OWNER) != 0
+ int ret_val = 0;
+ int flags = ef_flags(type);
+
+ if (flags & EFF_MEM)
+ row_ref = ef_ptr(type, row);
+ else {
+ row_ref = malloc(empfile[type].size);
+ ef_read(type, row, row_ref);
+ }
+
+ if ((flags & EFF_TYPED) && !EF_IS_VIEW(type)) {
+ if (row_ref->ef_type != type || row_ref->uid != row) {
+ verify_fail(type, row, NULL, 0, "header corrupt");
+ ret_val = -1;
+ }
+ }
+
+ if (!empobj_in_use(type, row_ref))
+ return ret_val;
+
for (i = 0; ca[i].ca_name; ++i) {
- if (ca[i].ca_flags & NSC_EXTRA)
- continue;
+ if (ca[i].ca_get)
+ continue; /* virtual */
n = ca[i].ca_type != NSC_STRINGY ? ca[i].ca_len : 0;
j = 0;
do {
- if (ca[i].ca_table != EF_BAD && ca[i].ca_table != type) {
- val.val_type = ca[i].ca_type;
- val.val_cat = NSC_OFF;
- val.val_as.sym.off = ca[i].ca_off;
- val.val_as.sym.idx = j;
- nstr_exec_val(&val, 0, row_ref, NSC_NOTYPE);
- if (val.val_type != NSC_LONG && val.val_type != NSC_TYPEID)
- continue;
-
- ca_sym = ef_cadef(ca[i].ca_table);
- if (ca[i].ca_flags & NSC_BITS) {
- if (ca_sym != symbol_ca) {
- fprintf(stderr,
- "Unable to verify symbol set as the "
- "table %s is not created as symbol table "
- "for table %s row %d field %s\n",
- ef_nameof(ca[i].ca_table), ef_nameof(type),
- row + 1, ca[i].ca_name
- );
- continue;
- }
- for (k = 0; k < sizeof(long) * 8; k++) {
- if (val.val_as.lng & (1 << k))
- if (!symbol_by_value(1 << k, ef_ptr(ca[i].ca_table, 0))) {
- fprintf(stderr,
- "bit %d not found in symbol table %s "
- "when verify table %s row %d field %s\n",
- k, ef_nameof(ca[i].ca_table),
- ef_nameof(type), row + 1, ca[i].ca_name);
- ret_val = -1;
- }
- }
- } else {
- if (ca_sym != symbol_ca) {
- if (val.val_as.lng >= ef_nelem(ca[i].ca_table) ||
- val.val_as.lng < -2) {
- fprintf(stderr, "Table index %d to table %s "
- "out of range, nelements %d for table %s "
- "row %d field %s\n",
- val.val_as.lng, ef_nameof(ca[i].ca_table),
- ef_nelem(ca[i].ca_table), ef_nameof(type),
- row + 1, ca[i].ca_name);
- ret_val = -1;
- }
- } else {
- if (val.val_as.lng > -1) {
- if (!symbol_by_value(val.val_as.lng,
- ef_ptr(ca[i].ca_table,0))) {
- fprintf(stderr, "value %d not found in "
- "symbol table %s when verify table %s "
- "row %d field %s\n",
- val.val_as.lng,
- ef_nameof(ca[i].ca_table),
- ef_nameof(type), row + 1,
- ca[i].ca_name);
- ret_val = -1;
- }
- }
- }
+ if (ca[i].ca_table == EF_BAD)
+ continue;
+ nstr_mksymval(&val, &ca[i], j);
+ nstr_exec_val(&val, 0, row_ref, NSC_NOTYPE);
+ if (CANT_HAPPEN(val.val_type != NSC_LONG)) {
+ ret_val = -1;
+ continue;
+ }
+ if (ca[i].ca_table == type && i == 0) {
+ /* uid */
+ if (val.val_as.lng != row) {
+ verify_fail(type, row, &ca[i], j,
+ "value is %ld instead of %d",
+ val.val_as.lng, row);
+ ret_val = -1;
}
+ } else {
+ if (verify_tabref(type, row, &ca[i], j, val.val_as.lng) < 0)
+ ret_val = -1;
}
} while (++j < n);
- }
- if (!in_mem)
- free(row_ref);
- return(ret_val);
+ }
+ if (!(flags & EFF_MEM))
+ free(row_ref);
+ return ret_val;
+}
+
+static void
+pln_zap_transient_flags(void)
+{
+ int i;
+ struct plnstr *pp;
+ int dirty = 0;
+
+ /* laziness: assumes plane file is EFF_MEM */
+ for (i = 0; (pp = getplanep(i)) != NULL; i++) {
+ if (!pp->pln_own)
+ continue;
+ if (pp->pln_flags & PLN_LAUNCHED
+ && (plchr[pp->pln_type].pl_flags & (P_M | P_O)) != P_O) {
+ pp->pln_flags &= ~PLN_LAUNCHED;
+ /* FIXME missile should be destroyed instead */
+ dirty = 1;
+ verify_fail(EF_PLANE, i, NULL, 0, "stuck in the air (fixed)");
+ /*
+ * Can't putplane() here, because pln_prewrite() crashes
+ * without a valid player.
+ */
+ }
+ }
+ if (dirty)
+ ef_flush(EF_PLANE); /* pretty wasteful */
}
int
-ef_verify()
+ef_verify(void)
{
struct empfile *ep;
int retval = 0;
for (ep = empfile; ep->name; ep++) {
if (!ef_cadef(ep->uid))
continue;
+ verify_ca(ep->uid);
for (i = 0; i < ef_nelem(ep->uid); i++) {
retval += verify_row(ep->uid, i);
}
}
+
+ /* Special checks */
+ for (i = 0; pchr[i].p_sname; i++) {
+ if (!pchr[i].p_sname[0])
+ continue;
+ if ((pchr[i].p_type >= 0) == (pchr[i].p_level >= 0)) {
+ fprintf(stderr,
+ "Config %s uid %d field level doesn't match field type\n",
+ ef_nameof(EF_PRODUCT), i);
+ retval = -1;
+ }
+ }
+
+ pln_zap_transient_flags();
return retval;
}