* Makefile.in (DLL_OFILES): Add rexec.o.

	* autoload.cc (inet_network): Drop definition.
	(rexec): Ditto.
	* net.cc (rexec): Drop extern declaration.
	(inet_network): Ditto.
	(cygwin_inet_network): Implement using inet_addr.
	(cygwin_rexec): Remove.
	* libc/rexec.cc: New file.

5 files changed, 430 insertions, 64 deletions

diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index a8a0520f4..c81fb9e39 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,5 +1,16 @@
 2006-07-04  Corinna Vinschen  <corinna@vinschen.de>
 
+	* Makefile.in (DLL_OFILES): Add rexec.o.
+	* autoload.cc (inet_network): Drop definition.
+	(rexec): Ditto.
+	* net.cc (rexec): Drop extern declaration.
+	(inet_network): Ditto.
+	(cygwin_inet_network): Implement using inet_addr.
+	(cygwin_rexec): Remove.
+	* libc/rexec.cc: New file.
+
+2006-07-04  Corinna Vinschen  <corinna@vinschen.de>
+
 	* fhandler_socket.cc (fhandler_socket::listen): Allow listening on
 	unbound INET socket.
 
diff --git a/winsup/cygwin/Makefile.in b/winsup/cygwin/Makefile.in
index 0541bc1c1..38452e94a 100644
--- a/winsup/cygwin/Makefile.in
+++ b/winsup/cygwin/Makefile.in
@@ -136,8 +136,8 @@ DLL_OFILES:=assert.o autoload.o bsdlib.o ctype.o cxx.o cygheap.o cygthread.o \
 	hookapi.o init.o ioctl.o ipc.o iruserok.o localtime.o lsearch.o \
 	malloc_wrapper.o memmem.o miscfuncs.o mktemp.o mmap.o msg.o net.o netdb.o \
 	nftw.o ntea.o passwd.o path.o pinfo.o pipe.o poll.o pthread.o regcomp.o \
-	regerror.o regexec.o regfree.o registry.o resource.o scandir.o sched.o \
-	sec_acl.o sec_helper.o security.o select.o sem.o shared.o shm.o \
+	regerror.o regexec.o regfree.o registry.o resource.o rexec.o scandir.o \
+	sched.o sec_acl.o sec_helper.o security.o select.o sem.o shared.o shm.o \
 	sigfe.o signal.o sigproc.o smallprint.o spawn.o strace.o strptime.o \
 	strsep.o strsig.o sync.o syscalls.o sysconf.o syslog.o termios.o thread.o \
 	timelocal.o timer.o times.o tty.o uinfo.o uname.o v8_regexp.o \
diff --git a/winsup/cygwin/autoload.cc b/winsup/cygwin/autoload.cc
index 25c7dd84f..745de161a 100644
--- a/winsup/cygwin/autoload.cc
+++ b/winsup/cygwin/autoload.cc
@@ -456,9 +456,7 @@ LoadDLLfunc (SetProcessWindowStation, 4, user32)
 LoadDLLfunc (SetTimer, 16, user32)
 LoadDLLfunc (SetUserObjectSecurity, 12, user32)
 
-LoadDLLfunc (inet_network, 4, wsock32)
 LoadDLLfunc (rcmd, 24, wsock32)
-LoadDLLfunc (rexec, 24, wsock32)
 
 LoadDLLfunc (accept, 12, ws2_32)
 LoadDLLfunc (bind, 12, ws2_32)
diff --git a/winsup/cygwin/libc/rexec.cc b/winsup/cygwin/libc/rexec.cc
new file mode 100644
index 000000000..2d4726b16
--- /dev/null
+++ b/winsup/cygwin/libc/rexec.cc
@@ -0,0 +1,416 @@
+/*
+ * Copyright (c) 1980, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+/* CV 2006-07-04: Tweaked for inclusion into Cygwin. */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)rexec.c	8.1 (Berkeley) 6/4/93";
+#endif /* LIBC_SCCS and not lint */
+
+#ifdef __CYGWIN__
+#include "winsup.h"
+#include "sigproc.h"
+#include "cygtls.h"
+#include <wininet.h>
+#endif
+
+#include <sys/types.h>
+#include <sys/uio.h>
+#include <sys/socket.h>
+#include <sys/param.h>
+#include <sys/stat.h>
+
+#include <netinet/in.h>
+
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+#include <netdb.h>
+#include <errno.h>
+#include <ctype.h>
+#include <err.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+extern "C" {
+  int cygwin_accept (int, struct sockaddr *, socklen_t *);
+  int cygwin_connect (int, const struct sockaddr *, socklen_t);
+  int cygwin_getsockname (int, struct sockaddr *, socklen_t *);
+  void cygwin_herror (const char *);
+  int cygwin_listen (int, int);
+  int cygwin_socket (int, int, int);
+}
+
+/*
+ * Options and other state info.
+ */
+struct macel {
+	char mac_name[9];	/* macro name */
+	char *mac_start;	/* start of macro in macbuf */
+	char *mac_end;		/* end of macro in macbuf */
+};
+
+int macnum;			/* number of defined macros */
+struct macel macros[16];
+char macbuf[4096];
+
+static	FILE *cfile;
+
+#define	DEFAULT	1
+#define	LOGIN	2
+#define	PASSWD	3
+#define	ACCOUNT 4
+#define MACDEF  5
+#define	ID	10
+#define	MACH	11
+
+static char tokval[100];
+
+static struct toktab {
+	const char *tokstr;
+	int tval;
+} toktab[]= {
+	{ "default",	DEFAULT },
+	{ "login",	LOGIN },
+	{ "password",	PASSWD },
+	{ "passwd",	PASSWD },
+	{ "account",	ACCOUNT },
+	{ "machine",	MACH },
+	{ "macdef",	MACDEF },
+	{ NULL,		0 }
+};
+
+static int
+token()
+{
+	char *cp;
+	int c;
+	struct toktab *t;
+
+	if (feof(cfile) || ferror(cfile))
+		return (0);
+	while ((c = getc(cfile)) != EOF &&
+	    (c == '\n' || c == '\t' || c == ' ' || c == ','))
+		continue;
+	if (c == EOF)
+		return (0);
+	cp = tokval;
+	if (c == '"') {
+		while ((c = getc(cfile)) != EOF && c != '"') {
+			if (c == '\\')
+				c = getc(cfile);
+			*cp++ = c;
+		}
+	} else {
+		*cp++ = c;
+		while ((c = getc(cfile)) != EOF
+		    && c != '\n' && c != '\t' && c != ' ' && c != ',') {
+			if (c == '\\')
+				c = getc(cfile);
+			*cp++ = c;
+		}
+	}
+	*cp = 0;
+	if (tokval[0] == 0)
+		return (0);
+	for (t = toktab; t->tokstr; t++)
+		if (!strcmp(t->tokstr, tokval))
+			return (t->tval);
+	return (ID);
+}
+
+static int
+ruserpass(const char *host, char **aname, char **apass, char **aacct)
+{
+	const char *hdir;
+	char buf[BUFSIZ], *tmp;
+	char myname[INTERNET_MAX_HOST_NAME_LENGTH + 1];
+	const char *mydomain;
+	int t, i, c, usedefault = 0;
+	struct stat stb;
+
+	hdir = getenv("HOME");
+	if (hdir == NULL)
+		hdir = ".";
+	if (strlen(hdir) + 8 > sizeof(buf))
+		return (0);
+	(void) sprintf(buf, "%s/.netrc", hdir);
+	cfile = fopen(buf, "r");
+	if (cfile == NULL) {
+		if (errno != ENOENT)
+			warn("%s", buf);
+		return (0);
+	}
+	if (cygwin_gethostname(myname, sizeof(myname)) < 0)
+		myname[0] = '\0';
+	if ((mydomain = strchr(myname, '.')) == NULL)
+		mydomain = "";
+next:
+	while ((t = token())) switch(t) {
+
+	case DEFAULT:
+		usedefault = 1;
+		/* FALL THROUGH */
+
+	case MACH:
+		if (!usedefault) {
+			if (token() != ID)
+				continue;
+			/*
+			 * Allow match either for user's input host name
+			 * or official hostname.  Also allow match of
+			 * incompletely-specified host in local domain.
+			 */
+			if (strcasecmp(host, tokval) == 0)
+				goto match;
+			if ((tmp = strchr(host, '.')) != NULL &&
+			    strcasecmp(tmp, mydomain) == 0 &&
+			    strncasecmp(host, tokval, tmp - host) == 0 &&
+			    tokval[tmp - host] == '\0')
+				goto match;
+			continue;
+		}
+	match:
+		while ((t = token()) && t != MACH && t != DEFAULT) switch(t) {
+
+		case LOGIN:
+			if (token())
+				if (*aname == 0) {
+					*aname = (char *) malloc((unsigned) strlen(tokval) + 1);
+					(void) strcpy(*aname, tokval);
+				} else {
+					if (strcmp(*aname, tokval))
+						goto next;
+				}
+			break;
+		case PASSWD:
+			if ((*aname == 0 || strcmp(*aname, "anonymous")) &&
+			    fstat(fileno(cfile), &stb) >= 0 &&
+			    (stb.st_mode & 077) != 0) {
+	warnx("Error: .netrc file is readable by others.");
+	warnx("Remove password or make file unreadable by others.");
+				goto bad;
+			}
+			if (token() && *apass == 0) {
+				*apass = (char *) malloc((unsigned) strlen(tokval) + 1);
+				(void) strcpy(*apass, tokval);
+			}
+			break;
+		case ACCOUNT:
+			if (fstat(fileno(cfile), &stb) >= 0
+			    && (stb.st_mode & 077) != 0) {
+	warnx("Error: .netrc file is readable by others.");
+	warnx("Remove account or make file unreadable by others.");
+				goto bad;
+			}
+			if (token() && aacct && *aacct == 0) {
+				*aacct = (char *) malloc((unsigned) strlen(tokval) + 1);
+				(void) strcpy(*aacct, tokval);
+			}
+			break;
+		case MACDEF:
+			while ((c=getc(cfile)) != EOF &&
+						(c == ' ' || c == '\t'))
+				;
+			if (c == EOF || c == '\n') {
+				printf("Missing macdef name argument.\n");
+				goto bad;
+			}
+			if (macnum == 16) {
+				printf("Limit of 16 macros have already been defined\n");
+				goto bad;
+			}
+			tmp = macros[macnum].mac_name;
+			*tmp++ = c;
+			for (i=0; i < 8 && (c=getc(cfile)) != EOF &&
+			    !isspace(c); ++i) {
+				*tmp++ = c;
+			}
+			if (c == EOF) {
+				printf("Macro definition missing null line terminator.\n");
+				goto bad;
+			}
+			*tmp = '\0';
+			if (c != '\n') {
+				while ((c=getc(cfile)) != EOF && c != '\n');
+			}
+			if (c == EOF) {
+				printf("Macro definition missing null line terminator.\n");
+				goto bad;
+			}
+			if (macnum == 0) {
+				macros[macnum].mac_start = macbuf;
+			}
+			else {
+				macros[macnum].mac_start = macros[macnum-1].mac_end + 1;
+			}
+			tmp = macros[macnum].mac_start;
+			while (tmp != macbuf + 4096) {
+				if ((c=getc(cfile)) == EOF) {
+				printf("Macro definition missing null line terminator.\n");
+					goto bad;
+				}
+				*tmp = c;
+				if (*tmp == '\n') {
+					if (*(tmp-1) == '\0') {
+					   macros[macnum++].mac_end = tmp - 1;
+					   break;
+					}
+					*tmp = '\0';
+				}
+				tmp++;
+			}
+			if (tmp == macbuf + 4096) {
+				printf("4K macro buffer exceeded\n");
+				goto bad;
+			}
+			break;
+		default:
+			warnx("Unknown .netrc keyword %s", tokval);
+			break;
+		}
+		goto done;
+	}
+done:
+	(void) fclose(cfile);
+	return (0);
+bad:
+	(void) fclose(cfile);
+	return (-1);
+}
+
+extern "C" int
+cygwin_rexec (char **ahost, unsigned short rport, char *name, char *pass,
+	      char *cmd, int *fd2p)
+{
+	struct sockaddr_in sin, sin2, from;
+	struct hostent *hp;
+	u_short port;
+	int s, timo = 1, s3;
+	char c;
+	char ahostbuf[INTERNET_MAX_HOST_NAME_LENGTH + 1];
+
+	sig_dispatch_pending ();
+	myfault efault;
+	if (efault.faulted (EFAULT))
+		return -1;
+
+	hp = cygwin_gethostbyname(*ahost);
+	if (hp == 0) {
+		cygwin_herror(*ahost);
+		return (-1);
+	}
+	*ahost = strcpy (ahostbuf, hp->h_name);
+	ruserpass(hp->h_name, &name, &pass, NULL);
+	if (!name)
+		name = getlogin ();
+	if (!pass)
+		pass = almost_null;
+retry:
+	s = cygwin_socket(AF_INET, SOCK_STREAM, 0);
+	if (s < 0) {
+		perror("rexec: socket");
+		return (-1);
+	}
+	sin.sin_family = hp->h_addrtype;
+	sin.sin_port = rport;
+	bcopy(hp->h_addr, (caddr_t)&sin.sin_addr, hp->h_length);
+	if (cygwin_connect(s, (struct sockaddr *)&sin, sizeof(sin)) < 0) {
+		if (errno == ECONNREFUSED && timo <= 16) {
+			(void) close(s);
+			sleep(timo);
+			timo *= 2;
+			goto retry;
+		}
+		perror(hp->h_name);
+		return (-1);
+	}
+	if (fd2p == 0) {
+		(void) write(s, "", 1);
+		port = 0;
+	} else {
+		char num[8];
+		int s2, sin2len;
+
+		s2 = cygwin_socket(AF_INET, SOCK_STREAM, 0);
+		if (s2 < 0) {
+			(void) close(s);
+			return (-1);
+		}
+		cygwin_listen(s2, 1);
+		sin2len = sizeof (sin2);
+		if (cygwin_getsockname(s2, (struct sockaddr *)&sin2, &sin2len) < 0 ||
+		  sin2len != sizeof (sin2)) {
+			perror("getsockname");
+			(void) close(s2);
+			goto bad;
+		}
+		port = ntohs((u_short)sin2.sin_port);
+		(void) sprintf(num, "%u", port);
+		(void) write(s, num, strlen(num)+1);
+		{ int len = sizeof (from);
+		  s3 = cygwin_accept(s2, (struct sockaddr *)&from, &len);
+		  close(s2);
+		  if (s3 < 0) {
+			perror("accept");
+			port = 0;
+			goto bad;
+		  }
+		}
+		*fd2p = s3;
+	}
+	(void) write(s, name, strlen(name) + 1);
+	/* should public key encypt the password here */
+	(void) write(s, pass, strlen(pass) + 1);
+	(void) write(s, cmd, strlen(cmd) + 1);
+	if (read(s, &c, 1) != 1) {
+		perror(*ahost);
+		goto bad;
+	}
+	if (c != 0) {
+		while (read(s, &c, 1) == 1) {
+			(void) write(2, &c, 1);
+			if (c == '\n')
+				break;
+		}
+		goto bad;
+	}
+	return (s);
+bad:
+	if (port)
+		(void) close(*fd2p);
+	(void) close(s);
+	return (-1);
+}
diff --git a/winsup/cygwin/net.cc b/winsup/cygwin/net.cc
index 3ed49e109..585653457 100644
--- a/winsup/cygwin/net.cc
+++ b/winsup/cygwin/net.cc
@@ -47,8 +47,6 @@ extern "C"
 
   int __stdcall rcmd (char **ahost, unsigned short inport, char *locuser,
 		      char *remuser, char *cmd, SOCKET * fd2p);
-  int __stdcall rexec (char **ahost, unsigned short inport, char *locuser,
-		       char *password, char *cmd, SOCKET * fd2p);
   int sscanf (const char *, const char *, ...);
 }				/* End of "C" section */
 
@@ -147,18 +145,13 @@ cygwin_inet_aton (const char *cp, struct in_addr *inp)
   return 1;
 }
 
-/* undocumented in wsock32.dll */
-extern "C" unsigned int WINAPI inet_network (const char *);
-
 extern "C" unsigned int
 cygwin_inet_network (const char *cp)
 {
   myfault efault;
   if (efault.faulted (EFAULT))
     return INADDR_NONE;
-  unsigned int res = inet_network (cp);
-
-  return res;
+  return ntohl (inet_addr (cp));
 }
 
 /* inet_netof is in the standard BSD sockets library.  It is useless
@@ -2002,58 +1995,6 @@ cygwin_rresvport (int *port)
   return res;
 }
 
-/* exported as rexec: standards? */
-extern "C" int
-cygwin_rexec (char **ahost, unsigned short inport, char *locuser,
-	      char *password, char *cmd, int *fd2p)
-{
-  int res = -1;
-  SOCKET fd2s;
-  sig_dispatch_pending ();
-
-  myfault efault;
-  if (efault.faulted (EFAULT))
-    return (int) INVALID_SOCKET;
-
-  res = rexec (ahost, inport, locuser, password, cmd, fd2p ? &fd2s : NULL);
-  if (res != (int) INVALID_SOCKET)
-    {
-      cygheap_fdnew res_fd;
-
-      if (res_fd >= 0 && fdsock (res_fd, tcp_dev, res))
-	{
-	  ((fhandler_socket *) res_fd)->connect_state (connected);
-	  res = res_fd;
-	}
-      else
-	{
-	  closesocket (res);
-	  res = -1;
-	}
-
-      if (res >= 0 && fd2p)
-	{
-	  cygheap_fdnew newfd (res_fd, false);
-	  cygheap_fdget fd (*fd2p);
-
-	  if (newfd >= 0 && fdsock (newfd, tcp_dev, fd2s))
-	    {
-	      ((fhandler_socket *) fd2p)->connect_state (connected);
-	      *fd2p = newfd;
-	    }
-	  else
-	    {
-	      closesocket (res);
-	      closesocket (fd2s);
-	      res = -1;
-	    }
-	}
-    }
-
-  syscall_printf ("%d = rexec (...)", res);
-  return res;
-}
-
 /* socketpair: standards? */
 /* Win32 supports AF_INET only, so ignore domain and protocol arguments */
 extern "C" int