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-rw-r--r--inet/Makefile5
-rw-r--r--inet/ether_aton.c30
-rw-r--r--inet/ether_aton_r.c63
-rw-r--r--inet/ether_hton.c82
-rw-r--r--inet/ether_line.c79
-rw-r--r--inet/ether_ntoa.c30
-rw-r--r--inet/ether_ntoa_r.c33
-rw-r--r--inet/ether_ntoh.c85
-rw-r--r--inet/netinet/ether.h48
9 files changed, 454 insertions, 1 deletions
diff --git a/inet/Makefile b/inet/Makefile
index da300c7376..197e9d03a4 100644
--- a/inet/Makefile
+++ b/inet/Makefile
@@ -21,7 +21,8 @@
 #
 subdir	:= inet
 
-headers	:= netinet/in.h $(wildcard arpa/*.h protocols/*.h)
+headers	:= netinet/ether.h netinet/in.h netinet/if_ether.h \
+	   $(wildcard arpa/*.h protocols/*.h)
 
 routines := ntohl ntohs htonl htons		\
 	    inet_lnaof inet_mkadr	\
@@ -35,6 +36,8 @@ routines := ntohl ntohs htonl htons		\
 	    getservent_r	\
 	    getrpcent getrpcbyname getrpcbynumber \
 	    getrpcent_r getrpcbyname_r getrpcbynumber_r \
+	    ether_aton ether_aton_r ether_hton ether_line \
+	    ether_ntoa ether_ntoa_r ether_ntoh \
 	    rcmd rexec ruserpass
 
 # No warnings about losing BSD code.
diff --git a/inet/ether_aton.c b/inet/ether_aton.c
new file mode 100644
index 0000000000..eb27b244d9
--- /dev/null
+++ b/inet/ether_aton.c
@@ -0,0 +1,30 @@
+/* Copyright (C) 1996 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+Contributed by Ulrich Drepper <drepper@cygnus.com>, 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 <netinet/ether.h>
+#include <netinet/if_ether.h>
+
+
+struct ether_addr *
+ether_aton (const char *asc)
+{
+  struct ether_addr result;
+
+  return ether_aton_r (asc, &result);
+}
diff --git a/inet/ether_aton_r.c b/inet/ether_aton_r.c
new file mode 100644
index 0000000000..4b38f034cc
--- /dev/null
+++ b/inet/ether_aton_r.c
@@ -0,0 +1,63 @@
+/* Copyright (C) 1996 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+Contributed by Ulrich Drepper <drepper@cygnus.com>, 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 <ctype.h>
+#include <stdlib.h>
+#include <netinet/ether.h>
+#include <netinet/if_ether.h>
+
+
+struct ether_addr *
+ether_aton_r (const char *asc, struct ether_addr *addr)
+{
+  size_t cnt;
+
+  for (cnt = 0; cnt < 6; ++cnt)
+    {
+      unsigned int number;
+      char ch;
+
+      ch = tolower (*asc++);
+      if ((ch < '0' || ch > '9') && (ch < 'a' || ch > 'f'))
+	return NULL;
+      number = isdigit (ch) ? (ch - '0') : (ch - 'a' + 10);
+
+      ch = tolower (*asc);
+      if ((cnt < 5 && ch != ':') || (cnt == 5 && ch != '\0' && !isspace (ch)))
+	{
+	  ++asc;
+	  if ((ch < '0' || ch > '9') && (ch < 'a' || ch > 'f'))
+	    return NULL;
+	  number <<= 4;
+	  number = isdigit (ch) ? (ch - '0') : (ch - 'a' + 10);
+
+	  ch = *asc;
+	  if (cnt < 5 && ch != ':')
+	    return NULL;
+	}
+
+      /* Store result.  */
+      addr->ether_addr_octet[cnt] = (unsigned char) number;
+
+      /* Skip ':'.  */
+      ++asc;
+    }
+
+  return addr;
+}
diff --git a/inet/ether_hton.c b/inet/ether_hton.c
new file mode 100644
index 0000000000..fb62d2dab5
--- /dev/null
+++ b/inet/ether_hton.c
@@ -0,0 +1,82 @@
+/* Copyright (C) 1996 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+Contributed by Ulrich Drepper <drepper@cygnus.com>, 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 <netinet/ether.h>
+#include <netinet/if_ether.h>
+
+#include "../nss/nsswitch.h"
+
+/* Because the `ethers' lookup does not fit so well in the scheme so
+   we define a dummy struct here which helps us to use the available
+   functions.  */
+struct etherent
+{
+  const char *e_name;
+  struct ether_addr e_addr;
+};
+
+
+/* Type of the lookup function we need here.  */
+typedef int (*lookup_function) (const char *, struct etherent *, char *, int);
+
+
+int
+ether_hostton (const char *hostname, struct ether_addr *addr)
+{
+  static service_user *startp = NULL;
+  static lookup_function start_fct;
+  service_user *nip;
+  lookup_function fct;
+  int no_more;
+  int result;
+  enum nss_status status = NSS_STATUS_UNAVAIL;
+  struct etherent etherent;
+
+  if (startp == NULL)
+    {
+      no_more = __nss_ethers_lookup (&nip, "gethostton_r", (void **) &fct);
+      if (no_more)
+	startp = (service_user *) -1;
+      else
+	{
+	  startp = nip;
+	  start_fct = fct;
+	}
+    }
+  else
+    {
+      fct = start_fct;
+      no_more = (nip = startp) == (service_user *) -1;
+    }
+
+  while (no_more == 0)
+    {
+      char buffer[1024];
+
+      status = (*fct) (hostname, &etherent, buffer, sizeof buffer);
+
+      no_more = __nss_next (&nip, "gethostton_r", (void **) &fct, status, 0);
+    }
+
+  if (status == NSS_STATUS_SUCCESS)
+    memcpy (addr, etherent.e_addr.ether_addr_octet,
+	    sizeof (struct ether_addr));
+
+  return status == NSS_STATUS_SUCCESS ? 0 : -1;
+}
diff --git a/inet/ether_line.c b/inet/ether_line.c
new file mode 100644
index 0000000000..1400f5ae96
--- /dev/null
+++ b/inet/ether_line.c
@@ -0,0 +1,79 @@
+/* Copyright (C) 1996 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+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 <stdlib.h>
+#include <netinet/ether.h>
+#include <netinet/if_ether.h>
+
+
+int
+ether_line (const char *line, struct ether_addr *addr, char *hostname)
+{
+  size_t cnt;
+  char *cp;
+
+  for (cnt = 0; cnt < 6; ++cnt)
+    {
+      unsigned int number;
+      char ch;
+
+      ch = tolower (*line++);
+      if ((ch < '0' || ch > '9') && (ch < 'a' || ch > 'f'))
+	return -1;
+      number = isdigit (ch) ? (ch - '0') : (ch - 'a' + 10);
+
+      ch = tolower (*line);
+      if ((cnt < 5 && ch != ':') || (cnt == 5 && ch != '\0' && !isspace (ch)))
+	{
+	  ++line;
+	  if ((ch < '0' || ch > '9') && (ch < 'a' || ch > 'f'))
+	    return -1;
+	  number <<= 4;
+	  number = isdigit (ch) ? (ch - '0') : (ch - 'a' + 10);
+
+	  ch = *line;
+	  if (cnt < 5 && ch != ':')
+	    return -1;
+	}
+
+      /* Store result.  */
+      addr->ether_addr_octet[cnt] = (unsigned char) number;
+
+      /* Skip ':'.  */
+      if (ch != '\0')
+	++line;
+    }
+
+  /* Remove trailing white space.  */
+  cp = strchr (line, '#');
+  if (cp == NULL)
+    cp = strchr (line, '\0');
+  while (cp > line && isspace (cp[-1]))
+    --cp;
+  *cp = '\0';
+
+  if (*line == '\0')
+    /* No hostname.  */
+    return -1;
+
+  /* XXX This can cause trouble because the hostname might be too long
+     but we have no possibility to check it here.  */
+  strcpy (hostname, line);
+
+  return 0;
+}
diff --git a/inet/ether_ntoa.c b/inet/ether_ntoa.c
new file mode 100644
index 0000000000..728f841c92
--- /dev/null
+++ b/inet/ether_ntoa.c
@@ -0,0 +1,30 @@
+/* Copyright (C) 1996 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+Contributed by Ulrich Drepper <drepper@cygnus.com>, 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 <netinet/ether.h>
+#include <netinet/if_ether.h>
+
+
+char *
+ether_ntoa (const struct ether_addr *addr)
+{
+  char asc[18];
+
+  return ether_ntoa_r (addr, asc);
+}
diff --git a/inet/ether_ntoa_r.c b/inet/ether_ntoa_r.c
new file mode 100644
index 0000000000..a2735ab421
--- /dev/null
+++ b/inet/ether_ntoa_r.c
@@ -0,0 +1,33 @@
+/* Copyright (C) 1996 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+Contributed by Ulrich Drepper <drepper@cygnus.com>, 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 <stdio.h>
+#include <netinet/ether.h>
+#include <netinet/if_ether.h>
+
+
+char *
+ether_ntoa_r (const struct ether_addr *addr, char *buf)
+{
+  sprintf (buf, "%x:%x:%x:%x:%x:%x",
+	   addr->ether_addr_octet[0], addr->ether_addr_octet[1],
+	   addr->ether_addr_octet[2], addr->ether_addr_octet[3],
+	   addr->ether_addr_octet[4], addr->ether_addr_octet[5]);
+  return buf;
+}
diff --git a/inet/ether_ntoh.c b/inet/ether_ntoh.c
new file mode 100644
index 0000000000..26a4e471ad
--- /dev/null
+++ b/inet/ether_ntoh.c
@@ -0,0 +1,85 @@
+/* Copyright (C) 1996 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+Contributed by Ulrich Drepper <drepper@cygnus.com>, 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 <netinet/ether.h>
+#include <netinet/if_ether.h>
+
+#include "../nss/nsswitch.h"
+
+/* Because the `ethers' lookup does not fit so well in the scheme so
+   we define a dummy struct here which helps us to use the available
+   functions.  */
+struct etherent
+{
+  const char *e_name;
+  struct ether_addr e_addr;
+};
+
+
+/* Type of the lookup function we need here.  */
+typedef int (*lookup_function) (const struct ether_addr *, struct etherent *,
+				char *, int);
+
+
+int
+ether_ntohost (char *hostname, const struct ether_addr *addr)
+{
+  static service_user *startp = NULL;
+  static lookup_function start_fct;
+  service_user *nip;
+  lookup_function fct;
+  int no_more;
+  int result;
+  enum nss_status status = NSS_STATUS_UNAVAIL;
+  struct etherent etherent;
+
+  if (startp == NULL)
+    {
+      no_more = __nss_ethers_lookup (&nip, "getntohost_r", (void **) &fct);
+      if (no_more)
+	startp = (service_user *) -1;
+      else
+	{
+	  startp = nip;
+	  start_fct = fct;
+	}
+    }
+  else
+    {
+      fct = start_fct;
+      no_more = (nip = startp) == (service_user *) -1;
+    }
+
+  while (no_more == 0)
+    {
+      char buffer[1024];
+
+      status = (*fct) (addr, &etherent, buffer, sizeof buffer);
+
+      no_more = __nss_next (&nip, "getntohost_r", (void **) &fct, status, 0);
+    }
+
+  if (status == NSS_STATUS_SUCCESS)
+    /* XXX This is a potential cause of trouble because the size of
+       the HOSTNAME buffer is not known but the interface does not
+       provide this information.  */
+    strcpy (hostname, etherent.e_name);
+
+  return status == NSS_STATUS_SUCCESS ? 0 : -1;
+}
diff --git a/inet/netinet/ether.h b/inet/netinet/ether.h
new file mode 100644
index 0000000000..b14377a13d
--- /dev/null
+++ b/inet/netinet/ether.h
@@ -0,0 +1,48 @@
+/* Functions for storing Ethernet addresses in ASCII and mapping to hostnames.
+Copyright (C) 1996 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+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.  */
+
+#ifndef __NETINET_ETHER_H
+
+#define __NETINET_ETHER_H	1
+#include <features.h>
+
+/* Get definition of `struct ether_addr'.  */
+#include <netinet/if_ether.h>
+
+
+/* Convert 48 bit Ethernet ADDRess to ASCII.  */
+char *ether_ntoa __P ((const struct ether_addr *__addr));
+char *ether_ntoa_r __P ((const struct ether_addr *__addr, char *__buf));
+
+/* Convert ASCII string S to 48 bit Ethernet address.  */
+struct ether_addr *ether_aton __P ((const char *__asc));
+struct ether_addr *ether_aton_r __P ((const char *__asc,
+				      struct ether_addr *__addr));
+
+/* Map 48 bit Ethernet number ADDR to HOSTNAME.  */
+int ether_ntohost __P ((char *__hostname, const struct ether_addr *__addr));
+
+/* Map HOSTNAME to 48 bit Ethernet address.  */
+int ether_hostton __P ((const char *__hostname, struct ether_addr *__addr));
+
+/* Scan LINE and set ADDR and HOSTNAME.  */
+int ether_line __P ((const char *__line, struct ether_addr *__addr,
+		     char *__hostname));
+
+#endif /* netinet/ether.h */