Radix cross Linux

Index: writed.c
===================================================================
--- writed.c	(nonexistent)
+++ writed.c	(revision 5)
@@ -0,0 +1,166 @@
+/*
+ * This code is copyrighted. Please see the file COPYING for a full notice.
+ */
+
+/*
+ * writed - Receive network write connections with inetd.
+ *
+ * Note:  This is mostly fingerd.c with all occurances of
+ * "finger" changed to "write". Well, not so much any more.
+ *
+ * $Log: writed.c,v $
+ * Revision 1.7  1999/10/02 01:46:45  netbug
+ * some extranious header files commented out
+ * added socklen_t to MCONFIG.in and to writed.c
+ *
+ * Revision 1.6  1999/08/01 00:05:24  dholland
+ * Use new version of confgen. Set version to 0.15. Update README.
+ *
+ * Revision 1.5  1997/06/09 01:32:03  dholland
+ * minor glibc fixes
+ *
+ * Revision 1.4  1997/03/08 17:24:30  dholland
+ * Oops, fix warning.
+ *
+ * Revision 1.3  1997/03/08 12:42:04  dholland
+ * Don't depend on gcc extensions
+ *
+ * Revision 1.2  1996/11/25 18:43:05  dholland
+ * clean compile.
+ *
+ * Revision 1.1  1996/11/23  19:50:40  dholland
+ * Initial revision
+ *
+ * Revision 1.8  1996/04/29  21:43:25  dholland
+ * Copyright fixes.
+ *
+ * Revision 1.7  1996/04/29  20:25:43  dholland
+ * Config improvements.
+ *
+ * Revision 1.6  1996/04/29  19:59:14  dholland
+ * Add RCS stuff.
+ *
+ */
+
+char copyright[] =
+  "@(#) Copyright (c) 1983 Regents of the University of California.\n"
+  "All rights reserved.\n";
+/*
+ * From: /afs/rel-eng.athena.mit.edu/project/release/current/
+ *        source/bsd-4.3/common/etc/RCS/writed.c,v 
+ *   1.3 90/04/05 18:31:44 epeisach Exp
+ */
+char rcsid[] = "$Id: writed.c,v 1.7 1999/10/02 01:46:45 netbug Exp $";
+#include "../version.h"
+
+/*
+ * Write server.
+ */
+/* #include <mit-copyright.h> */
+
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <netdb.h>
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <unistd.h>
+#include <sys/socket.h>
+
+#ifdef ultrix  /* missing protos */
+struct sockaddr;
+int getpeername(int fd, struct sockaddr *, int *len);
+#endif
+
+/* Should be set by makefile */
+#ifndef BINDIR
+#define BINDIR "/usr/local/bin"
+#endif
+
+#define WS " \t\r\n"
+#define AC 6  /* max # of args to write, incl terminating null */
+
+/*
+#define DEBUG
+*/
+
+static void fatal2(char *t) {
+  printf("%s\n", t);
+  exit(1);
+}
+
+static void fatal(char *s, char *t) {
+  if (errno!=0) printf("%s: %s\n", s, strerror(errno));
+  fatal2(t);
+}
+
+static void secure(const char *fromarg) {
+  struct hostent *ho;
+  struct sockaddr_in sin;
+  socklen_t x = sizeof(sin);
+  char *u, *h, *t;
+  u = strdup(fromarg);
+  if (!u) fatal("strdup", "Out of memory");
+  h = strchr(u, '@');
+  if (!h) fatal2("Usage: write user [tty]");
+  *h++=0;
+  t = strchr(h, '@');
+  if (t) {
+    *t++=0;
+    if (strchr(t, '@')) fatal2("Usage: write user [tty]");
+  }
+
+  ho = gethostbyname(h);
+  if (!ho) fatal("gethostbyname", "Where are you?");
+  if (getpeername(0, (struct sockaddr *) &sin, &x) < 0) {
+    fatal("getpeername", "Where are you?");
+  }
+  free(u);
+
+  for (x=0; ho->h_addr_list[x]; x++) {
+#ifdef DEBUG
+    unsigned char *p = ho->h_addr_list[x];
+    unsigned char *q = (char *) &sin.sin_addr;
+    printf("Testing: %u.%u.%u.%u vs %u.%u.%u.%u [%d]\n", 
+	   p[0], p[1], p[2], p[3], q[0], q[1], q[2], q[3], ho->h_length);
+    fflush(stdout);
+#endif
+    if (ho->h_length > (int)sizeof(sin.sin_addr)) {
+	ho->h_length = sizeof(sin.sin_addr);
+    }
+    if (!memcmp(ho->h_addr_list[x], (char *) &sin.sin_addr, ho->h_length))
+      return;
+  }
+  fatal2("Host name lookup error");
+}
+
+
+int main(void /*int argc, char *argv[]*/) {
+  char line[BUFSIZ], *av[AC];
+  int i=2;
+  av[0] = "write";
+  av[1] = "-f";
+  *line=0;
+#ifdef DEBUG
+  printf("writed ready\n");
+  fflush(stdout);
+#endif
+  fgets(line, BUFSIZ, stdin);
+  for (av[i]=strtok(line, WS); av[i++] && i<AC; av[i]=strtok(NULL, WS));
+  av[AC-1] = NULL;
+  dup2(0, 1);
+  dup2(0, 2);
+  secure(av[2]);
+#ifdef DEBUG
+  printf("Ok, all clear\n");
+  fflush(stdout);
+#endif
+  execv(BINDIR "/write", av);
+  execv("/usr/local/bin/write", av);
+  execv("/usr/bin/write", av);
+  execv("/bin/write", av);
+  fatal("execv", "Can't find binary for write");
+  return 0;
+}
Index: .
===================================================================
--- .	(nonexistent)
+++ .	(revision 5)

Property changes on: .
___________________________________________________________________
Added: svn:ignore
## -0,0 +1,73 ##
+
+# install dir
+dist
+
+# Target build dirs
+.a1x-newlib
+.a2x-newlib
+.at91sam7s-newlib
+
+.build-machine
+
+.a1x-glibc
+.a2x-glibc
+.h3-glibc
+.h5-glibc
+.i586-glibc
+.i686-glibc
+.imx6-glibc
+.jz47xx-glibc
+.makefile
+.am335x-glibc
+.omap543x-glibc
+.p5600-glibc
+.power8-glibc
+.power8le-glibc
+.power9-glibc
+.power9le-glibc
+.m1000-glibc
+.riscv64-glibc
+.rk328x-glibc
+.rk33xx-glibc
+.rk339x-glibc
+.s8xx-glibc
+.s9xx-glibc
+.x86_64-glibc
+
+# Hidden files (each file)
+.makefile
+.dist
+.rootfs
+
+# src & hw requires
+.src_requires
+.src_requires_depend
+.requires
+.requires_depend
+
+# Tarballs
+*.gz
+*.bz2
+*.lz
+*.xz
+*.tgz
+*.txz
+
+# Signatures
+*.asc
+*.sig
+*.sign
+*.sha1sum
+
+# Patches
+*.patch
+
+# Descriptions
+*.dsc
+*.txt
+
+# Default linux config files
+*.defconfig
+
+# backup copies
+*~