2.5-18.1

1 files changed, 42 insertions, 179 deletions

diff --git a/resolv/res_hconf.c b/resolv/res_hconf.c
index 91cd300482..f45888933f 100644
--- a/resolv/res_hconf.c
+++ b/resolv/res_hconf.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1993, 1995-2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 1993, 1995-2005, 2006 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by David Mosberger (davidm@azstarnet.com).
 
@@ -53,35 +53,34 @@
 
 /* Environment vars that all user to override default behavior:  */
 #define ENV_HOSTCONF	"RESOLV_HOST_CONF"
-#define ENV_SERVORDER	"RESOLV_SERV_ORDER"
 #define ENV_SPOOF	"RESOLV_SPOOF_CHECK"
 #define ENV_TRIM_OVERR	"RESOLV_OVERRIDE_TRIM_DOMAINS"
 #define ENV_TRIM_ADD	"RESOLV_ADD_TRIM_DOMAINS"
 #define ENV_MULTI	"RESOLV_MULTI"
 #define ENV_REORDER	"RESOLV_REORDER"
 
-static const char *arg_service_list (const char *, int, const char *,
-				     unsigned int);
-static const char *arg_trimdomain_list (const char *, int, const char *,
-					unsigned int);
-static const char *arg_spoof (const char *, int, const char *, unsigned int);
-static const char *arg_bool (const char *, int, const char *, unsigned int);
+enum parse_cbs
+  {
+    CB_none,
+    CB_arg_trimdomain_list,
+    CB_arg_spoof,
+    CB_arg_bool
+  };
 
-static struct cmd
+static const struct cmd
 {
-  const char *name;
-  const char *(*parse_args) (const char * filename, int line_num,
-			     const char * args, unsigned int arg);
+  const char name[11];
+  uint8_t cb;
   unsigned int arg;
 } cmd[] =
 {
-  {"order",		arg_service_list,	0},
-  {"trim",		arg_trimdomain_list,	0},
-  {"spoof",		arg_spoof,		0},
-  {"multi",		arg_bool,		HCONF_FLAG_MULTI},
-  {"nospoof",		arg_bool,		HCONF_FLAG_SPOOF},
-  {"spoofalert",	arg_bool,		HCONF_FLAG_SPOOFALERT},
-  {"reorder",		arg_bool,		HCONF_FLAG_REORDER}
+  {"order",		CB_none,		0},
+  {"trim",		CB_arg_trimdomain_list,	0},
+  {"spoof",		CB_arg_spoof,		0},
+  {"multi",		CB_arg_bool,		HCONF_FLAG_MULTI},
+  {"nospoof",		CB_arg_bool,		HCONF_FLAG_SPOOF},
+  {"spoofalert",	CB_arg_bool,		HCONF_FLAG_SPOOFALERT},
+  {"reorder",		CB_arg_bool,		HCONF_FLAG_REORDER}
 };
 
 /* Structure containing the state.  */
@@ -107,118 +106,7 @@ skip_string (const char *str)
 
 
 static const char *
-arg_service_list (const char *fname, int line_num, const char *args,
-		  unsigned int arg)
-{
-  enum Name_Service service;
-  const char *start;
-  size_t len;
-  size_t i;
-  static struct
-  {
-    const char * name;
-    enum Name_Service service;
-  } svcs[] =
-    {
-      {"bind",	SERVICE_BIND},
-      {"hosts",	SERVICE_HOSTS},
-      {"nis",	SERVICE_NIS},
-    };
-
-  do
-    {
-      start = args;
-      args = skip_string (args);
-      len = args - start;
-
-      service = SERVICE_NONE;
-      for (i = 0; i < sizeof (svcs) / sizeof (svcs[0]); ++i)
-	{
-	  if (__strncasecmp (start, svcs[i].name, len) == 0
-	      && len == strlen (svcs[i].name))
-	  {
-	    service = svcs[i].service;
-	    break;
-	  }
-      }
-      if (service == SERVICE_NONE)
-	{
-	  char *buf;
-
-	  if (__asprintf (&buf,
-			  _("%s: line %d: expected service, found `%s'\n"),
-			  fname, line_num, start) < 0)
-	    return 0;
-
-#ifdef USE_IN_LIBIO
-	  if (_IO_fwide (stderr, 0) > 0)
-	    __fwprintf (stderr, L"%s", buf);
-	  else
-#endif
-	    fputs (buf, stderr);
-
-	  free (buf);
-	  return 0;
-	}
-      if (_res_hconf.num_services >= SERVICE_MAX)
-	{
-	  char *buf;
-
-	  if (__asprintf (&buf, _("\
-%s: line %d: cannot specify more than %d services"),
-			  fname, line_num, SERVICE_MAX) < 0)
-	    return 0;
-
-#ifdef USE_IN_LIBIO
-	  if (_IO_fwide (stderr, 0) > 0)
-	    __fwprintf (stderr, L"%s", buf);
-	  else
-#endif
-	    fputs (buf, stderr);
-
-	  free (buf);
-	  return 0;
-	}
-      _res_hconf.service[_res_hconf.num_services++] = service;
-
-      args = skip_ws (args);
-      switch (*args)
-	{
-	case ',':
-	case ';':
-	case ':':
-	  args = skip_ws (++args);
-	  if (!*args || *args == '#')
-	    {
-	      char *buf;
-
-	      if (__asprintf (&buf, _("\
-%s: line %d: list delimiter not followed by keyword"),
-			      fname, line_num) < 0)
-		return 0;
-
-#ifdef USE_IN_LIBIO
-	      if (_IO_fwide (stderr, 0) > 0)
-		__fwprintf (stderr, L"%s", buf);
-	      else
-#endif
-		fputs (buf, stderr);
-
-	      free (buf);
-	      return 0;
-	    }
-	default:
-	  break;
-	}
-    }
-  while (*args && *args != '#');
-  return args;
-}
-
-
-static const char *
-arg_trimdomain_list (const char *fname, int line_num, const char *args,
-		     unsigned int flag)
+arg_trimdomain_list (const char *fname, int line_num, const char *args)
 {
   const char * start;
   size_t len;
@@ -238,14 +126,9 @@ arg_trimdomain_list (const char *fname, int line_num, const char *args,
 			  fname, line_num, TRIMDOMAINS_MAX) < 0)
 	    return 0;
 
-#ifdef USE_IN_LIBIO
-	      if (_IO_fwide (stderr, 0) > 0)
-		__fwprintf (stderr, L"%s", buf);
-	      else
-#endif
-		fputs (buf, stderr);
+	  __fxprintf (NULL, "%s", buf);
 
-	      free (buf);
+	  free (buf);
 	  return 0;
 	}
       _res_hconf.trimdomain[_res_hconf.num_trimdomains++] =
@@ -264,12 +147,7 @@ arg_trimdomain_list (const char *fname, int line_num, const char *args,
 			      fname, line_num) < 0)
 		return 0;
 
-#ifdef USE_IN_LIBIO
-	      if (_IO_fwide (stderr, 0) > 0)
-		__fwprintf (stderr, L"%s", buf);
-	      else
-#endif
-		fputs (buf, stderr);
+	      __fxprintf (NULL, "%s", buf);
 
 	      free (buf);
 	      return 0;
@@ -284,7 +162,7 @@ arg_trimdomain_list (const char *fname, int line_num, const char *args,
 
 
 static const char *
-arg_spoof (const char *fname, int line_num, const char *args, unsigned flag)
+arg_spoof (const char *fname, int line_num, const char *args)
 {
   const char *start = args;
   size_t len;
@@ -327,12 +205,7 @@ arg_bool (const char *fname, int line_num, const char *args, unsigned flag)
 		      fname, line_num, args) < 0)
 	return 0;
 
-#ifdef USE_IN_LIBIO
-      if (_IO_fwide (stderr, 0) > 0)
-	__fwprintf (stderr, L"%s", buf);
-      else
-#endif
-	fputs (buf, stderr);
+      __fxprintf (NULL, "%s", buf);
 
       free (buf);
       return 0;
@@ -345,7 +218,7 @@ static void
 parse_line (const char *fname, int line_num, const char *str)
 {
   const char *start;
-  struct cmd *c = 0;
+  const struct cmd *c = 0;
   size_t len;
   size_t i;
 
@@ -375,12 +248,7 @@ parse_line (const char *fname, int line_num, const char *str)
 		      fname, line_num, start) < 0)
 	return;
 
-#ifdef USE_IN_LIBIO
-      if (_IO_fwide (stderr, 0) > 0)
-	__fwprintf (stderr, L"%s", buf);
-      else
-#endif
-	fputs (buf, stderr);
+      __fxprintf (NULL, "%s", buf);
 
       free (buf);
       return;
@@ -388,7 +256,17 @@ parse_line (const char *fname, int line_num, const char *str)
 
   /* process args: */
   str = skip_ws (str);
-  str = (*c->parse_args) (fname, line_num, str, c->arg);
+
+  if (c->cb == CB_arg_trimdomain_list)
+    str = arg_trimdomain_list (fname, line_num, str);
+  else if (c->cb == CB_arg_spoof)
+    str = arg_spoof (fname, line_num, str);
+  else if (c->cb == CB_arg_bool)
+    str = arg_bool (fname, line_num, str, c->arg);
+  else
+    /* Ignore the line.  */
+    return;
+
   if (!str)
     return;
 
@@ -405,12 +283,7 @@ parse_line (const char *fname, int line_num, const char *str)
 			    fname, line_num, str) < 0)
 	      break;
 
-#ifdef USE_IN_LIBIO
-	    if (_IO_fwide (stderr, 0) > 0)
-	      __fwprintf (stderr, L"%s", buf);
-	    else
-#endif
-	      fputs (buf, stderr);
+	    __fxprintf (NULL, "%s", buf);
 
 	    free (buf);
 	  }
@@ -436,10 +309,7 @@ do_init (void)
     hconf_name = _PATH_HOSTCONF;
 
   fp = fopen (hconf_name, "rc");
-  if (!fp)
-    /* make up something reasonable: */
-    _res_hconf.service[_res_hconf.num_services++] = SERVICE_BIND;
-  else
+  if (fp)
     {
       /* No threads using this stream.  */
       __fsetlocking (fp, FSETLOCKING_BYCALLER);
@@ -453,16 +323,9 @@ do_init (void)
       fclose (fp);
     }
 
-  envval = getenv (ENV_SERVORDER);
-  if (envval)
-    {
-      _res_hconf.num_services = 0;
-      arg_service_list (ENV_SERVORDER, 1, envval, 0);
-    }
-
   envval = getenv (ENV_SPOOF);
   if (envval)
-    arg_spoof (ENV_SPOOF, 1, envval, 0);
+    arg_spoof (ENV_SPOOF, 1, envval);
 
   envval = getenv (ENV_MULTI);
   if (envval)
@@ -474,13 +337,13 @@ do_init (void)
 
   envval = getenv (ENV_TRIM_ADD);
   if (envval)
-    arg_trimdomain_list (ENV_TRIM_ADD, 1, envval, 0);
+    arg_trimdomain_list (ENV_TRIM_ADD, 1, envval);
 
   envval = getenv (ENV_TRIM_OVERR);
   if (envval)
     {
       _res_hconf.num_trimdomains = 0;
-      arg_trimdomain_list (ENV_TRIM_OVERR, 1, envval, 0);
+      arg_trimdomain_list (ENV_TRIM_OVERR, 1, envval);
     }
 
   _res_hconf.initialized = 1;