Remove all usage of the "register" storage class specifier.

[oweals/busybox.git] / networking / fakeidentd.c

diff --git a/networking/fakeidentd.c b/networking/fakeidentd.c
index d41177b074a39677c8d27155dac1c317d61ae64c..b5b70f5162b92ad9cca7074614eedbd8dde9ad34 100644 (file)
--- a/networking/fakeidentd.c
+++ b/networking/fakeidentd.c
@@ -6,56 +6,36 @@
  * Original Author: Tomi Ollila <too@iki.fi>
  *                  http://www.guru-group.fi/~too/sw/
  *
- * This program 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
- * (at your option) any later version.
- *
- * This program 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 this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
  */
 
+#include "busybox.h"
+
 #include <unistd.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <stdarg.h>
 #include <string.h>
 #include <fcntl.h>
 #include <signal.h>
 #include <sys/syslog.h>
 
 #include <pwd.h>
-#include <netdb.h>
 
 #include <sys/syslog.h>
-#include <sys/types.h>
-#include <sys/time.h>
 #include <time.h>
 #include <sys/socket.h>
-#include <netinet/in.h>
 #include <errno.h>
-#include <arpa/inet.h>
 #include <sys/uio.h>
 
-#include "busybox.h"
 
 #define IDENT_PORT  113
 #define MAXCONNS    20
 #define MAXIDLETIME 45
 
 static const char ident_substr[] = " : USERID : UNIX : ";
-static const int ident_substr_len = sizeof(ident_substr) - 1;
+enum { ident_substr_len = sizeof(ident_substr) - 1 };
 #define PIDFILE "/var/run/identd.pid"
 
 /*
- * We have to track the 'first connection socket' so that we 
+ * We have to track the 'first connection socket' so that we
  * don't go around closing file descriptors for non-clients.
  *
  * descriptor setup normally
@@ -117,8 +97,7 @@ static void inetbind(void)
        else
                port = se->s_port;
 
-       if ((s = socket(AF_INET, SOCK_STREAM, 0)) < 0)
-               bb_perror_msg_and_die("Cannot create server socket");
+       s = bb_xsocket(AF_INET, SOCK_STREAM, 0);
 
        setsockopt(s, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one));
 
@@ -127,28 +106,16 @@ static void inetbind(void)
        addr.sin_family = AF_INET;
        addr.sin_port = htons(port);
 
-       if (bind(s, (struct sockaddr *)&addr, len) < 0)
-               bb_perror_msg_and_die("Cannot bind() port %i", IDENT_PORT);
-
-       if (listen(s, 5) < 0)
-               bb_perror_msg_and_die("Cannot listen() on port %i", IDENT_PORT);
+       bb_xbind(s, (struct sockaddr *)&addr, len);
+       bb_xlisten(s, 5);
 
        movefd(s, 0);
 }
 
-static void delpidfile(void)
+static void handlexitsigs(int signum)
 {
-       /*
-        * Usually nobody has no write/delete access to directory /var/run/
-        * therefore if file cannot be deleted, it is truncated
-        */
        if (unlink(PIDFILE) < 0)
                close(open(PIDFILE, O_WRONLY|O_CREAT|O_TRUNC, 0644));
-}
-
-static void handlexitsigs(int signum)
-{
-       delpidfile();
        exit(0);
 }
 
@@ -193,9 +160,7 @@ static int godaemon(void)
                close(0);
                inetbind();
                if (setgid(nogrp))   bb_error_msg_and_die("Could not setgid()");
-               if (setegid(nogrp))  bb_error_msg_and_die("Could not setegid()");
                if (setuid(nobody))  bb_error_msg_and_die("Could not setuid()");
-               if (seteuid(nobody)) bb_error_msg_and_die("Could not seteuid()");
                close(1);
                close(2);