build: Actually compile the `blast' helper program.

[fwd] / exec.c

diff --git a/exec.c b/exec.c
index 1f0102b..f7c96ef 100644 (file)
--- a/exec.c
+++ b/exec.c
@@ -1,13 +1,11 @@
 /* -*-c-*-
  *
- * $Id: exec.c,v 1.6 2002/02/22 23:43:32 mdw Exp $
- *
  * Source and target for executable programs
  *
  * (c) 1999 Straylight/Edgeware
  */
 
-/*----- Licensing notice --------------------------------------------------* 
+/*----- Licensing notice --------------------------------------------------*
  *
  * This file is part of the `fw' port forwarder.
  *
@@ -15,94 +13,18 @@
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.
- * 
+ *
  * `fw' is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
- * 
+ *
  * You should have received a copy of the GNU General Public License
  * along with `fw'; if not, write to the Free Software Foundation,
  * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  */
 
-/*----- Revision history --------------------------------------------------* 
- *
- * $Log: exec.c,v $
- * Revision 1.6  2002/02/22 23:43:32  mdw
- * Call @xfree@ rather than @free@.
- *
- * Revision 1.5  2002/01/13 14:49:03  mdw
- * Track @lbuf@ changes in mLib.
- *
- * Revision 1.4  2001/02/03 20:30:03  mdw
- * Support re-reading config files on SIGHUP.
- *
- * Revision 1.3  2000/07/01 11:28:52  mdw
- * Use new mLib selbuf features.
- *
- * Revision 1.2  1999/10/22 22:46:17  mdw
- * When a non-file endpoint is attached to a file, keep the file endpoint
- * open until the nonfile is done.  This stops socket sources from
- * resetting their connection limits too early.
- *
- * Revision 1.1  1999/07/26 23:33:32  mdw
- * New sources and targets.
- *
- */
-
-/*----- Header files ------------------------------------------------------*/
-
-#include "config.h"
-
-#define _GNU_SOURCE
-
-#include <ctype.h>
-#include <errno.h>
-#include <signal.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <sys/wait.h>
-
-#ifdef HAVE_SETRLIMIT
-#  include <sys/resource.h>
-#endif
-
-#ifndef DECL_ENVIRON
-  extern char **environ;
-#endif
-
-#include <pwd.h>
-#include <grp.h>
-
-#include <syslog.h>
-
-#include <mLib/alloc.h>
-#include <mLib/dstr.h>
-#include <mLib/env.h>
-#include <mLib/fdflags.h>
-#include <mLib/report.h>
-#include <mLib/sel.h>
-#include <mLib/selbuf.h>
-#include <mLib/sig.h>
-#include <mLib/sub.h>
-#include <mLib/sym.h>
-
-#include "conf.h"
-#include "endpt.h"
-#include "exec.h"
-#include "fattr.h"
 #include "fw.h"
-#include "reffd.h"
-#include "scan.h"
-#include "source.h"
-#include "target.h"
 
 /*----- Data structures ---------------------------------------------------*/
 
@@ -591,7 +513,7 @@ static void xept_attach(endpt *e, reffd *in, reffd *out)
 
     /* --- Set group id --- */
 
-    if (xo->gid != -1) {
+    if (xo->gid != (gid_t)-1) {
       if (setgid(xo->gid)) {
        moan("couldn't set gid %i: %s", xo->gid, strerror(errno));
        _exit(1);
@@ -605,7 +527,7 @@ static void xept_attach(endpt *e, reffd *in, reffd *out)
 
     /* --- Set uid --- */
 
-    if (xo->uid != -1) {
+    if (xo->uid != (uid_t)-1) {
       if (setuid(xo->uid)) {
        moan("couldn't set uid %i: %s", xo->uid, strerror(errno));
        _exit(1);
@@ -787,7 +709,9 @@ static endpt_ops xept_ops = { xept_attach, xept_file, 0, xept_close };
 
 void exec_init(void)
 {
+#ifdef HAVE_SETRLIMIT
   rlimit_get(&exec_opts.xl);
+#endif
   sig_add(&xept_sig, SIGCHLD, xept_chld, 0);
   sym_create(&env);
   env_import(&env, environ);
@@ -837,7 +761,7 @@ static int exec_option(xdata *x, scanner *sc)
   /* --- Set a chroot prison --- */
 
   if (strcmp(sc->d.buf, "root") == 0 ||
-      strcmp(sc->d.buf, "chroot") == 0) { 
+      strcmp(sc->d.buf, "chroot") == 0) {
     dstr d = DSTR_INIT;
     token(sc);
     if (sc->t == '=')
@@ -892,8 +816,10 @@ static int exec_option(xdata *x, scanner *sc)
 
   /* --- Now try resource limit settings --- */
 
+#ifdef HAVE_SETRLIMIT
   if (rlimit_option(&xo->xl, sc))
     CONF_ACCEPT;
+#endif
 
   /* --- And then environment settings --- */
 
@@ -971,8 +897,12 @@ static void exec_read(xdata *x, scanner *sc)
     char *p, *q;
     char **v;
 
-    /* --- Strip off the leading `[' --- */
+    /* --- Strip off the leading `[' --- *
+     *
+     * Allow various handy filename characters to be entered without quoting.
+     */
 
+    conf_undelim(sc, "=:/.", "=:/.");
     token(sc);
 
     /* --- Read a sequence of arguments --- */
@@ -982,6 +912,7 @@ static void exec_read(xdata *x, scanner *sc)
       token(sc);
       argc++;
     }
+    conf_undelim(sc, 0, 0);
 
     /* --- Expect the closing `]' --- */
 
@@ -1181,7 +1112,7 @@ static void xtarget_destroy(target *t)
 
 target_ops xtarget_ops = {
   "exec",
-  xtarget_option, xtarget_read, xtarget_create, xtarget_destroy
+  xtarget_option, xtarget_read, 0, xtarget_create, xtarget_destroy
 };
 
 /*----- That's all, folks -------------------------------------------------*/