update from main arcive 961210 cvs/libc-961211

Wed Dec 11 01:04:30 1996  Ulrich Drepper  <drepper@cygnus.com>

	Add NIS NSS implementation.
	* shlib-versions: Add versions for NIS libraries.
	* sysdeps/unix/inet/Subdirs: Add nis.
	* nis/Banner: New file.
	* nis/Makefile: New file.
	* nis/nss-nis.h: New file.
	* nis/yp_xdr.h: New file.
	* nis/ypclnt.h: New file.
	* nis/ypupdate_xdr.c: New file.
	* nis/nss_compat/compat-grp.c: New file.
	* nis/nss_compat/compat-pwd.c: New file.
	* nis/nss_compat/compat-spwd.c: New file.
	* nis/nss_nis/nis-alias.c: New file.
	* nis/nss_nis/nis-ethers.c: New file.
	* nis/nss_nis/nis-grp.c: New file.
	* nis/nss_nis/nis-hosts.c: New file.
	* nis/nss_nis/nis-netgrp.c: New file.
	* nis/nss_nis/nis-network.c: New file.
	* nis/nss_nis/nis-proto.c: New file.
	* nis/nss_nis/nis-publickey.c: New file.
	* nis/nss_nis/nis-pwd.c: New file.
	* nis/nss_nis/nis-rpc.c: New file.
	* nis/nss_nis/nis-service.c: New file.
	* nis/nss_nis/nis-spwd.c: New file.
	* nis/rpcsvc/yp.h: New file.
	* nis/rpcsvc/yp.x: New file.
	* nis/rpcsvc/yp_prot.h: New file.
	* nis/rpcsvc/ypclnt.h: New file.
	* nis/rpcsvc/ypupd.h: New file.

	* libio/_G_config.h: Define _G_HAVE_SYS_WAIT and _G_HAVE_PRINTF_FP.

	* locale/C-numeric.c: Update copyright.

	* locale/Makefile: Add rules to build libBrokenLocale.
	* locale/broken_cur_max.c: New file.
	* locale/mb_cur_max.c: Update copyright.
	(__ctype_get_mb_cur_max): Make function weak.

	* new-malloc/malloc.c: Correct copyright.
	* new-malloc/thread-m.h: Correct key handling.

	* shadow/lckpwdf.c: Update copyright.
	(PWD_LOCKFILE): Change to /etc/.pwd.lock.

	* stdlib/strtod.c: Add another assertion.
	* stdlib/tst-strtod.c: Add another test case.

	* sysdeps/generic/paths.h: Add _PATH_PRESERVE.  Needed by nvi.
	* sysdeps/unix/sysv/linux/paths.h: Likewise.

	* sysdeps/gnu/utmpbits.h: Rename ut_addr field to ut_addr_v6.
	ut_addr names a single element in ut_addr_v6.

	* sysdeps/mach/hurd/xmknod.c: Remove alias from __mknod to mknod.
	Patch by Thomas Bushnell, n/BSG.

Tue Dec 10 11:35:28 1996  Richard Henderson  <rth@tamu.edu>

	* sysdeps/alpha/strncmp.S: Fix aligned short truncated compare
	corner condition.

	* sysdeps/alpha/memchr.S: Don't read ahead, even if the load
	did fit nicely into that delay slot (patch from David Mosberger-Tang).

Mon Dec  9 23:53:43 1996  Thomas Bushnell, n/BSG  <thomas@gnu.ai.mit.edu>

	* sysdeps/mach/hurd/ttyname_r.c (__ttyname_r): Renamed from
	`ttyname_r'.
	(ttyname_r): New alias.

	* stdio-common/printf_fp.c (__guess_grouping): Fix off by one

1 files changed, 220 insertions, 0 deletions

diff --git a/nis/nss_nis/nis-publickey.c b/nis/nss_nis/nis-publickey.c
new file mode 100644
index 0000000000..b9eda6a742
--- /dev/null
+++ b/nis/nss_nis/nis-publickey.c
@@ -0,0 +1,220 @@
+/* Copyright (C) 1996 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1996.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <nss.h>
+#include <ctype.h>
+#include <errno.h>
+#include <string.h>
+#include <syslog.h>
+#include <libc-lock.h>
+#include <rpc/key_prot.h>
+#include <rpcsvc/yp.h>
+#include <rpcsvc/ypclnt.h>
+
+#include "nss-nis.h"
+
+extern int xdecrypt (char *, char *);
+
+/* If we found the entry, we give a SUCCESS and an empty key back. */
+enum nss_status
+_nss_nis_getpublickey (const char *netname, char *pkey)
+{
+  enum nss_status retval;
+  char *domain, *result;
+  int len;
+
+  pkey[0] = 0;
+
+  if (netname == NULL)
+    {
+      __set_errno (EINVAL);
+      return NSS_STATUS_UNAVAIL;
+    }
+
+  domain = strchr (netname, '@');
+  if (!domain)
+    return NSS_STATUS_UNAVAIL;
+  domain++;
+
+  retval = yperr2nss (yp_match (domain, "publickey.byname", netname,
+				strlen (netname), &result, &len));
+
+  if (retval != NSS_STATUS_SUCCESS)
+    {
+      if (retval == NSS_STATUS_TRYAGAIN)
+	__set_errno (EAGAIN);
+      return retval;
+    }
+
+  if (result != NULL)
+    {
+      char *p = strchr (result, ':');
+      if (p != NULL)
+	*p = 0;
+      strcpy (pkey, result);
+    }
+  return NSS_STATUS_SUCCESS;
+}
+
+enum nss_status
+_nss_nis_getsecretkey (const char *netname, char *skey, char *passwd)
+{
+  enum nss_status retval;
+  char buf[1024];
+  char *domain, *result;
+  int len;
+
+  skey[0] = 0;
+
+  if (netname == NULL || passwd == NULL)
+    {
+      __set_errno (EINVAL);
+      return NSS_STATUS_UNAVAIL;
+    }
+
+  domain = strchr (netname, '@');
+  if (!domain)
+    return NSS_STATUS_UNAVAIL;
+  domain++;
+
+  retval = yperr2nss (yp_match (domain, "publickey.byname", netname,
+				strlen (netname), &result, &len));
+
+  if (retval != NSS_STATUS_SUCCESS)
+    {
+      if (retval == NSS_STATUS_TRYAGAIN)
+	__set_errno (EAGAIN);
+      return retval;
+    }
+
+  if (result != NULL)
+    {
+      char *p = strchr (result, ':');
+      if (p == NULL)
+	return NSS_STATUS_SUCCESS;
+
+      p++;
+      strcpy (buf, p);
+      if (!xdecrypt (buf, passwd))
+	return NSS_STATUS_SUCCESS;
+
+      if (memcmp (buf, &(buf[HEXKEYBYTES]), KEYCHECKSUMSIZE) != 0)
+	return NSS_STATUS_SUCCESS;
+
+      buf[HEXKEYBYTES] = 0;
+      strcpy (skey, buf);
+    }
+  return NSS_STATUS_SUCCESS;
+}
+
+/* Parse uid and group information from the passed string.
+   The format of the string passed is uid:gid,grp,grp, ...  */
+static enum nss_status
+parse_netid_str (const char *s, uid_t *uidp, gid_t *gidp, int *gidlenp,
+		 gid_t *gidlist)
+{
+  char *p;
+
+  if (!s || !isdigit (*s))
+    {
+      syslog (LOG_ERR, "netname2user: expecting uid '%s'", s);
+      return NSS_STATUS_NOTFOUND;	/* XXX need a better error */
+    }
+
+  /* Fetch the uid */
+  *uidp = (atoi (s));
+
+  if (*uidp == 0)
+    {
+      syslog (LOG_ERR, "netname2user: should not have uid 0");
+      return NSS_STATUS_NOTFOUND;
+    }
+
+  /* Now get the group list */
+  p = strchr (s, ':');
+  if (!p)
+    {
+      syslog (LOG_ERR, "netname2user: missing group id list in '%s'", s);
+      return NSS_STATUS_NOTFOUND;
+    }
+  ++p;				/* skip ':' */
+  if (!p || (!isdigit (*p)))
+    {
+      syslog (LOG_ERR, "netname2user: missing group id list in '%s'.", p);
+      return NSS_STATUS_NOTFOUND;
+    }
+
+  *gidp = (atoi (p));
+
+  *gidlenp = 0;
+#if 0
+  while ((p = strchr (p, ',')) != NULL)
+    {
+      p++;
+      gidlist[*gidlenp++] = atoi (p);
+    }
+#endif
+
+  return NSS_STATUS_SUCCESS;
+}
+
+
+enum nss_status
+_nss_nis_netname2user (char netname[MAXNETNAMELEN + 1], uid_t *uidp,
+		       gid_t *gidp, int *gidlenp, gid_t *gidlist)
+{
+  char *domain;
+  int yperr;
+  char *lookup;
+  int len;
+
+  domain = strchr (netname, '@');
+  if (!domain)
+    return NSS_STATUS_UNAVAIL;
+
+  /* Point past the '@' character */
+  domain++;
+  lookup = NULL;
+  yperr = yp_match (domain, "netid.byname", netname, strlen (netname),
+		    &lookup, &len);
+  switch (yperr)
+    {
+    case YPERR_SUCCESS:
+      break;			/* the successful case */
+    case YPERR_DOMAIN:
+    case YPERR_KEY:
+      return NSS_STATUS_NOTFOUND;
+    case YPERR_MAP:
+    default:
+      return NSS_STATUS_UNAVAIL;
+    }
+  if (lookup)
+    {
+      enum nss_status err;
+
+      lookup[len] = '\0';
+      err = parse_netid_str (lookup, uidp, gidp, gidlenp, gidlist);
+      free (lookup);
+      return err;
+    }
+  else
+    return NSS_STATUS_NOTFOUND;
+
+  return NSS_STATUS_SUCCESS;
+}