- Make ssh-askpass support optional through autoconf

ChangeLog

@@ -20,6 +20,7 @@
       * readconf.h is only included if necessary
    - [mpaux.c] clear temp buffer
    - [servconf.c] print _all_ bad options found in configfile
+ - Make ssh-askpass support optional through autoconf
 
 19991111
  - Added (untested) Entropy Gathering Daemon (EGD) support

INSTALL

@@ -71,6 +71,8 @@ sure of what you are doing, it is best to leave this alone.
 support and to specify a EGD pool socket. You will need to use this if your
 Unix does not support the /dev/urandom device (or similar).
 
+--without-askpass will disable X11 password requestor support in ssh-add
+
 
 3. Configuration
 ----------------

Makefile.in

@@ -64,27 +64,30 @@ install: all
 	install -d $(mandir)
 	install -d $(mandir)/man1
 	install -d $(mandir)/man8
-	install -d $(libdir)
-	install -d $(libdir)/ssh
 	install -s -c ssh $(bindir)/ssh
-	ln -sf ssh $(bindir)/slogin
 	install -s -c scp $(bindir)/scp
 	install -s -c ssh-add $(bindir)/ssh-add
-	if [ -z "@GNOME_ASKPASS@" ] ; then \
-		install -m755 -c ssh-askpass $(libdir)/ssh/ssh-askpass; \
-	else \
-		install -m755 -c gnome-ssh-askpass $(libdir)/ssh/ssh-askpass; \
-	fi
 	install -s -c ssh-agent $(bindir)/ssh-agent
 	install -s -c ssh-keygen $(bindir)/ssh-keygen
 	install -s -c sshd $(sbindir)/sshd
 	install -m644 -c ssh.1 $(mandir)/man1/ssh.1
-	ln -sf ssh.1 $(mandir)/man1/slogin.1
 	install -m644 -c scp.1 $(mandir)/man1/scp.1
 	install -m644 -c ssh-add.1 $(mandir)/man1/ssh-add.1
 	install -m644 -c ssh-agent.1 $(mandir)/man1/ssh-agent.1
 	install -m644 -c ssh-keygen.1 $(mandir)/man1/ssh-keygen.1
 	install -m644 -c sshd.8 $(mandir)/man8/sshd.8
+	ln -sf ssh $(bindir)/slogin
+	ln -sf ssh.1 $(mandir)/man1/slogin.1
+
+	if [ ! -z "@DISABLE_EXTERNAL_ASKPASS@" ] ; then \
+		install -d $(libdir) \
+		install -d $(libdir)/ssh \
+		if [ -z "@GNOME_ASKPASS@" ] ; then \
+			install -m755 -c ssh-askpass $(libdir)/ssh/ssh-askpass; \
+		else \
+			install -m755 -c gnome-ssh-askpass $(libdir)/ssh/ssh-askpass; \
+		fi \
+	fi
 
 distclean: clean
 	rm -f Makefile config.h core *~

acconfig.h

@@ -21,8 +21,11 @@
 /* Define is libutil has login() function */
 #undef HAVE_LIBUTIL_LOGIN
 
+/* Define if you *don't* want to use an external ssh-askpass */
+#undef DISABLE_EXTERNAL_ASKPASS
+
+/* ******************* Shouldn't need to edit below this line ************** */
 
-/* Shouldn't need to edit below this line *************************** */
 #ifndef SHUT_RDWR
 enum
 {

configure.in

@@ -108,4 +108,14 @@ if test -z "$RANDOM_POOL" -a -z "$EGD_POOL"; then
 	AC_MSG_ERROR([No random device found, and no EGD random pool specified])
 fi
 
+dnl Check whether use wants to disable the external ssh-askpass
+AC_ARG_WITH(askpass,
+	[  --without-askpass       Disable external ssh-askpass support],
+	[
+		AC_DEFINE(DISABLE_EXTERNAL_ASKPASS)
+		DISABLE_EXTERNAL_ASKPASS=yes
+		AC_SUBST(DISABLE_EXTERNAL_ASKPASS)
+	]
+)
+
 AC_OUTPUT(Makefile)

ssh-add.c

@@ -14,7 +14,7 @@ Adds an identity to the authentication server, or removes an identity.
 */
 
 #include "includes.h"
-RCSID("$Id: ssh-add.c,v 1.5 1999/11/08 23:28:04 damien Exp $");
+RCSID("$Id: ssh-add.c,v 1.6 1999/11/12 04:46:08 damien Exp $");
 
 #include "rsa.h"
 #include "ssh.h"
@@ -60,12 +60,14 @@ add_file(AuthenticationConnection *ac, const char *filename)
   RSA *public_key;
   char *saved_comment, *comment, *pass;
   int first;
+#ifndef DISABLE_EXTERNAL_ASKPASS
   int pipes[2];
   char buf[BUFSIZE];
   int tmp;
   pid_t child;
   FILE *pipef;
-  
+#endif /* !DISABLE_EXTERNAL_ASKPASS */
+
   key = RSA_new();
   public_key = RSA_new();
   if (!load_public_key(filename, public_key, &saved_comment))
@@ -86,6 +88,7 @@ add_file(AuthenticationConnection *ac, const char *filename)
       /* Ask for a passphrase. */
       if (getenv("DISPLAY") && !isatty(fileno(stdin)))
 	{
+#ifndef DISABLE_EXTERNAL_ASKPASS
           if (pipe(pipes) ==-1)
             {
               fprintf(stderr, "Creating pipes failed: %s\n", strerror(errno));
@@ -152,6 +155,10 @@ add_file(AuthenticationConnection *ac, const char *filename)
                   return;
                 }
             }
+#else /* !DISABLE_EXTERNAL_ASKPASS */
+      xfree(saved_comment);
+      return;
+#endif /* !DISABLE_EXTERNAL_ASKPASS */
 	}
       else
 	{