start to track Daniel's version

[util-vserver.git] / src / vsysctl.c

diff --git a/src/vsysctl.c b/src/vsysctl.c
deleted file mode 100644 (file)
index 0613e88..0000000
--- a/src/vsysctl.c
+++ /dev/null
@@ -1,181 +0,0 @@
-// $Id: vsysctl.c 2466 2007-01-21 08:02:44Z dhozac $    --*- c -*--
-
-// Copyright (C) 2007 Daniel Hokka Zakrisson
-//  
-// This program is free software; you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation; version 2 of the License.
-//  
-// This program 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 General Public License for more details.
-//  
-// You should have received a copy of the GNU General Public License
-// along with this program; if not, write to the Free Software
-// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
-
-#ifdef HAVE_CONFIG_H
-#  include <config.h>
-#endif
-
-#include "util.h"
-#include <lib/internal.h>
-
-#include <vserver.h>
-
-#include <stdio.h>
-#include <getopt.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <string.h>
-#include <dirent.h>
-
-#define ENSC_WRAPPERS_PREFIX   "vsysctl: "
-#define ENSC_WRAPPERS_UNISTD   1
-#define ENSC_WRAPPERS_FCNTL    1
-#define ENSC_WRAPPERS_DIRENT   1
-#define ENSC_WRAPPERS_VSERVER  1
-#define ENSC_WRAPPERS_IO       1
-#include <wrappers.h>
-
-
-#define PROC_SYS_DIRECTORY     "/proc/sys"
-
-
-#define CMD_HELP               0x1000
-#define CMD_VERSION            0x1001
-#define CMD_XID                        0x4000
-#define CMD_DIR                        0x4001
-#define CMD_MISSINGOK          0x4002
-
-int            wrapper_exit_code  =  1;
-
-struct option const
-CMDLINE_OPTIONS[] = {
-  { "help",       no_argument,       0, CMD_HELP },
-  { "version",    no_argument,       0, CMD_VERSION },
-  { "xid",        required_argument, 0, CMD_XID },
-  { "dir",        required_argument, 0, CMD_DIR },
-  { "missingok",  no_argument,       0, CMD_MISSINGOK },
-  {0,0,0,0}
-};
-
-static void
-showHelp(int fd, char const *cmd)
-{
-  WRITE_MSG(fd, "Usage: ");
-  WRITE_STR(fd, cmd);
-  WRITE_MSG(fd,
-           " --xid <xid> --dir <directory> [--missingok] -- <command> <args>*\n"
-           "\n"
-           "Please report bugs to " PACKAGE_BUGREPORT "\n");
-
-  exit(0);
-}
-
-static void
-showVersion()
-{
-  WRITE_MSG(1,
-           "vsysctl " VERSION " -- sets sysctl values during guest boot\n"
-           "This program is part of " PACKAGE_STRING "\n\n"
-           "Copyright (C) 2007 Daniel Hokka Zakrisson\n"
-           VERSION_COPYRIGHT_DISCLAIMER);
-  exit(0);
-}
-
-void handle_setting(const char *dir, const char *name)
-{
-  int  len_dir = strlen(dir), len_name = strlen(name);
-  char filename[len_dir+1+len_name+sizeof("/setting")];
-  char setting[128], value[128], *ptr;
-  int  fd;
-  size_t setting_len, value_len;
-
-  strcpy(filename, dir);
-  *(filename+len_dir) = '/';
-  strcpy(filename+len_dir+1, name);
-
-#define READFILE(f) \
-  strcpy(filename+len_dir+1+len_name, "/" #f); \
-  fd = EopenD(filename, O_RDONLY, 0); \
-  f##_len = Eread(fd, f, sizeof(f)); \
-  if (f##_len == sizeof(f)) { \
-    errno = EOVERFLOW; \
-    perror(ENSC_WRAPPERS_PREFIX "read"); \
-    exit(EXIT_FAILURE); \
-  } \
-  f[f##_len] = '\0'; \
-  Eclose(fd);
-
-  READFILE(setting);
-  READFILE(value);
-
-  /* replace all . with / in setting to get a filename */
-  for (ptr = strchr(setting, '.'); ptr; ptr = strchr(ptr, '.'))
-    *ptr = '/';
-
-  /* we just want the first line, and not the linefeed */
-  if ((ptr = strchr(setting, '\n')) != NULL)
-    *ptr = '\0';
-
-  fd = EopenD(setting, O_WRONLY, 0);
-  EwriteAll(fd, value, value_len);
-  Eclose(fd);
-}
-
-int main(int argc, char *argv[])
-{
-  xid_t                xid     = VC_NOCTX;
-  const char   *dir    = NULL;
-  bool         missing = false;
-  
-  while (1) {
-    int                c = getopt_long(argc, argv, "+", CMDLINE_OPTIONS, 0);
-    if (c==-1) break;
-
-    switch (c) {
-      case CMD_HELP    :  showHelp(1, argv[0]);
-      case CMD_VERSION :  showVersion();
-      case CMD_XID     :  xid = Evc_xidopt2xid(optarg, true);  break;
-      case CMD_DIR     :  dir = optarg;                        break;
-      case CMD_MISSINGOK:  missing = true;                     break;
-
-      default          :
-       WRITE_MSG(2, "Try '");
-       WRITE_STR(2, argv[0]);
-       WRITE_MSG(2, " --help' for more information.\n");
-       return EXIT_FAILURE;
-       break;
-    }
-  }
-
-  if (dir != NULL) {
-    int                  curdir = EopenD(".", O_RDONLY, 0);
-    DIR                  *dp;
-    struct dirent *de;
-
-    Echdir(PROC_SYS_DIRECTORY);
-
-    dp = opendir(dir);
-    if (dp != NULL) {
-      while ((de = Ereaddir(dp)) != NULL) {
-       if (*de->d_name == '.')
-         continue;
-       handle_setting(dir, de->d_name);
-      }
-      Eclosedir(dp);
-    }
-    else if (!missing) {
-      perror(ENSC_WRAPPERS_PREFIX "opendir");
-      exit(wrapper_exit_code);
-    }
-
-    Efchdir(curdir);
-  }
-
-  Eexecvp(argv[optind], argv+optind);
-  return EXIT_FAILURE;
-}