Rewrite the core parts in C. We now provide librc so other programs can

query runlevels, services and state without using bash. We also provide
libeinfo so other programs can easily use our informational functions.

As such, we have dropped the requirement of using bash as the init script
shell. We now use /bin/sh and have strived to make the scripts as portable
as possible. Shells that work are bash and dash. busybox works provided
you disable s-s-d. If you have WIPE_TMP set to yes in conf.d/bootmisc you
should disable find too.
zsh and ksh do not work at this time.

Networking support is currently being re-vamped also as it was heavily bash
array based. As such, a new config format is available like so
config_eth0="1.2.3.4/24 5.6.7.8/16"
or like so
config_eth0="'1.2.3.4 netmask 255.255.255.0' '5.6.7.8 netmask 255.255.0.0'"

We will still support the old bash array format provided that /bin/sh IS
a link it bash.

ChangeLog for baselayout-1 can be found in our SVN repo.

1 files changed, 247 insertions, 0 deletions

diff --git a/src/env-update.c b/src/env-update.c
new file mode 100644
index 00000000..c04974b1
--- /dev/null
+++ b/src/env-update.c
@@ -0,0 +1,247 @@
+/*
+   env-update
+   Create /etc/profile.env (sh), /etc/csh.env from /etc/env.d
+   Run ldconfig as required
+
+   Copyright 2007 Gentoo Foundation
+   Released under the GPLv2
+   */
+
+#include <errno.h>
+#include <limits.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "einfo.h"
+#include "rc.h"
+#include "rc-misc.h"
+#include "strlist.h"
+
+#define ENVDIR		"/etc/env.d"
+#define PROFILE_ENV	"/etc/profile.env"
+#define CSH_ENV		"/etc/csh.env"
+#define LDSOCONF	"/etc/ld.so.conf"
+
+#define NOTICE	"# THIS FILE IS AUTOMATICALLY GENERATED BY env-update.\n" \
+		"# DO NOT EDIT THIS FILE. CHANGES TO STARTUP PROFILES\n" \
+		"# GO INTO %s NOT %s\n\n"
+
+#define LDNOTICE	"# ld.so.conf autogenerated by env-update; make all\n" \
+			"# changes to contents of /etc/env.d directory\n"
+
+static const char *specials[] =
+{
+  "ADA_INCLUDE_PATH",
+  "ADA_OBJECTS_PATH",
+  "CLASSPATH",
+  "INFOPATH",
+  "KDEDIRS",
+  "LDPATH",
+  "MANPATH",
+  "PATH",
+  "PKG_CONFIG_PATH",
+  "PRELINK_PATH",
+  "PRELINK_PATH_MASK",
+  "PYTHONPATH",
+  "ROOTPATH",
+  NULL
+};
+
+static const char *special_spaces[] = 
+{
+  "CONFIG_PROTECT",
+  "CONFIG_PROTECT_MASK",
+  NULL,
+};
+
+static char *applet = NULL;
+
+int main (int argc, char **argv)
+{
+  char **files = rc_ls_dir (NULL, ENVDIR, 0);
+  char *file;
+  char **envs = NULL;
+  char *env;
+  int i = 0;
+  FILE *fp;
+  bool ld = true;
+  char *ldent;
+  char **ldents = NULL;
+  int nents = 0;
+
+  applet = argv[0];
+
+  if (! files)
+    eerrorx ("%s: no files in " ENVDIR " to process", applet);
+
+  STRLIST_FOREACH (files, file, i)
+    {
+      char *path = rc_strcatpaths (ENVDIR, file, NULL);
+      char **entries = NULL;
+      char *entry;
+      int j;
+
+      if (! rc_is_dir (path))
+	entries = rc_get_config (NULL, path);
+      free (path);
+
+      STRLIST_FOREACH (entries, entry, j)
+	{
+	  char *tmpent = rc_xstrdup (entry);
+	  char *value = tmpent;
+	  char *var = strsep (&value, "=");
+	  int k;
+	  bool isspecial = false;
+	  bool isspecial_spaced = false;
+	  bool replaced = false;
+
+	  for (k = 0; special_spaces[k]; k++)
+	   if (strcmp (special_spaces[k], var) == 0)
+	     {
+	       isspecial = true;
+	       isspecial_spaced = true;
+	       break;
+	     }
+
+	  if (! isspecial)
+	    {
+	      for (k = 0; specials[k]; k++)
+		if (strcmp (specials[k], var) == 0)
+		  {
+		    isspecial = true;
+		    break;
+		  }
+	    }
+	   
+	  /* Skip blank vars */
+	  if (isspecial &&
+	      (! value || strlen (value)) == 0)
+	    {
+	      free (tmpent);
+	      continue;
+	    }
+ 
+	  STRLIST_FOREACH (envs, env, k)
+	    {
+	      char *tmpenv = rc_xstrdup (env);
+	      char *tmpvalue = tmpenv;
+	      char *tmpentry = strsep (&tmpvalue, "=");
+
+	      if (strcmp (tmpentry, var) == 0)
+		{
+		  if (isspecial)
+		    {
+		      envs[k - 1] = rc_xrealloc (envs[k - 1],
+						 strlen (envs[k - 1]) +
+						 strlen (entry) + 1);
+		      sprintf (envs[k - 1] + strlen (envs[k - 1]),
+			       "%s%s", isspecial_spaced ? " " : ":", value);
+		    }
+		  else
+		    {
+		      free (envs[k - 1]);
+		      envs[k - 1] = strdup (entry);
+		    }
+		  replaced = true;
+		}
+	      free (tmpenv);
+
+	      if (replaced)
+		break;
+	    }
+
+	  if (! replaced)
+	    envs = rc_strlist_addsort (envs, entry);
+
+	  free (tmpent);
+	}
+    }
+
+  if ((fp = fopen (PROFILE_ENV, "w")) == NULL)
+    eerrorx ("%s: fopen `%s': %s", applet, PROFILE_ENV, strerror (errno));
+  fprintf (fp, NOTICE, "/etc/profile", PROFILE_ENV);
+  STRLIST_FOREACH (envs, env, i)
+    {
+      char *tmpent = rc_xstrdup (env);
+      char *value = tmpent;
+      char *var = strsep (&value, "=");
+      if (strcmp (var, "LDPATH") != 0)
+	fprintf (fp, "export %s='%s'\n", var, value);
+      free (tmpent);
+    }
+  fclose (fp);
+
+  if ((fp = fopen (CSH_ENV, "w")) == NULL)
+    eerrorx ("%s: fopen `%s': %s", applet, PROFILE_ENV, strerror (errno));
+  fprintf (fp, NOTICE, "/etc/csh.cshrc", PROFILE_ENV);
+  STRLIST_FOREACH (envs, env, i)
+    {
+      char *tmpent = rc_xstrdup (env);
+      char *value = tmpent;
+      char *var = strsep (&value, "=");
+      if (strcmp (var, "LDPATH") != 0)
+	fprintf (fp, "setenv %s '%s'\n", var, value);
+      free (tmpent);
+    }
+  fclose (fp);
+
+  ldent = rc_get_config_entry (envs, "LDPATH");
+
+   if (! ldent ||
+       (argc > 1 && argv[1] && strcmp (argv[1], "--no-ldconfig") == 0))
+     {
+       free (envs);
+       return (EXIT_SUCCESS);
+     }
+
+  while ((file = strsep (&ldent, ":")))
+    {
+      if (strlen (file) == 0)
+	continue;
+
+      ldents = rc_strlist_add (ldents, file);
+      nents++;
+    }
+
+  /* Update ld.so.conf only if different */
+  if (rc_exists (LDSOCONF))
+    {
+      char **lines = rc_get_list (NULL, LDSOCONF);
+      char *line;
+      ld = false;
+      STRLIST_FOREACH (lines, line, i)
+       if (i > nents || strcmp (line, ldents[i - 1]) != 0)
+	 {
+	   ld = true;
+	   break;
+	 }
+      if (i - 1 != nents)
+	ld = true;
+    }
+
+  if (ld)
+    {
+      int retval = 0;
+
+      if ((fp = fopen (LDSOCONF, "w")) == NULL)
+	eerrorx ("%s: fopen `%s': %s", applet, LDSOCONF, strerror (errno));
+      fprintf (fp, LDNOTICE);
+      STRLIST_FOREACH (ldents, ldent, i)
+       fprintf (fp, "%s\n", ldent);
+      fclose (fp);
+
+#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
+      ebegin ("Regenerating /var/run/ld-elf.so.hints");
+      retval = system ("/sbin/ldconfig -elf -i '" LDSOCONF "'");
+#else
+      ebegin ("Regenerating /etc/ld.so.cache");
+      retval = system ("/sbin/ldconfig");
+#endif
+      eend (retval, NULL);
+    }
+
+  return(EXIT_SUCCESS);
+}