utils/f2fs-tools/patches/020-sload.f2fs-allow-to-build-without-libselinux.patch

   1 From b0a2386089fd6efade6b89094325ed8a9f8c6fff Mon Sep 17 00:00:00 2001
   2 From: Christian Hesse <mail@eworm.de>
   3 Date: Sat, 22 Oct 2016 22:06:54 +0200
   4 Subject: [PATCH] sload.f2fs: allow to build without libselinux
   5
   6 Some systems do not have libselinux. Allow to build sload.f2fs without
   7 support for selinux.
   8
   9 Signed-off-by: Christian Hesse <mail@eworm.de>
  10 Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
  11 ---
  12  configure.ac |  4 +++-
  13  fsck/sload.c | 12 +++++++++++-
  14  2 files changed, 14 insertions(+), 2 deletions(-)
  15
  16 diff --git a/configure.ac b/configure.ac
  17 index f519790..7a62328 100644
  18 --- a/configure.ac
  19 +++ b/configure.ac
  20 @@ -54,7 +54,9 @@ AC_PATH_PROG([LDCONFIG], [ldconfig],
  21
  22  # Checks for libraries.
  23  PKG_CHECK_MODULES([libuuid], [uuid])
  24 -PKG_CHECK_MODULES([libselinux], [libselinux])
  25 +PKG_CHECK_MODULES([libselinux], [libselinux],
  26 +       [AC_DEFINE([HAVE_LIBSELINUX], [1], [Use libselinux])],
  27 +       [AC_MSG_NOTICE([libselinux not found])])
  28
  29  # Checks for header files.
  30  AC_CHECK_HEADERS([linux/fs.h fcntl.h mntent.h stdlib.h string.h \
  31 diff --git a/fsck/sload.c b/fsck/sload.c
  32 index ea072d1..68799c1 100644
  33 --- a/fsck/sload.c
  34 +++ b/fsck/sload.c
  35 @@ -16,8 +16,11 @@
  36  #include <libgen.h>
  37  #include <dirent.h>
  38  #include <mntent.h>
  39 +
  40 +#ifdef HAVE_LIBSELINUX
  41  #include <selinux/selinux.h>
  42  #include <selinux/label.h>
  43 +#endif
  44
  45  #ifdef WITH_ANDROID
  46  #include <selinux/label.h>
  47 @@ -110,10 +113,12 @@ static int build_directory(struct f2fs_sb_info *sbi, const char *full_path,
  48                 handle_selabel(dentries + i, S_ISDIR(stat.st_mode),
  49                                                         target_out_dir);
  50
  51 +#ifdef HAVE_LIBSELINUX
  52                 if (sehnd && selabel_lookup(sehnd, &dentries[i].secon,
  53                                         dentries[i].path, stat.st_mode) < 0)
  54                         ERR_MSG("Cannot lookup security context for %s\n",
  55                                                 dentries[i].path);
  56 +#endif
  57
  58                 dentries[i].pino = dir_ino;
  59
  60 @@ -174,6 +179,7 @@ static int build_directory(struct f2fs_sb_info *sbi, const char *full_path,
  61                         MSG(1, "Error unknown file type\n");
  62                 }
  63
  64 +#ifdef HAVE_LIBSELINUX
  65                 if (dentries[i].secon) {
  66                         inode_set_selinux(sbi, dentries[i].ino, dentries[i].secon);
  67                         MSG(1, "File = %s \n----->SELinux context = %s\n",
  68 @@ -184,10 +190,12 @@ static int build_directory(struct f2fs_sb_info *sbi, const char *full_path,
  69                                         dentries[i].gid, dentries[i].capabilities);
  70                 }
  71
  72 +               free(dentries[i].secon);
  73 +#endif
  74 +
  75                 free(dentries[i].path);
  76                 free(dentries[i].full_path);
  77                 free((void *)dentries[i].name);
  78 -               free(dentries[i].secon);
  79         }
  80
  81         free(dentries);
  82 @@ -218,6 +226,7 @@ int f2fs_sload(struct f2fs_sb_info *sbi, const char *from_dir,
  83                 return ret;
  84         }
  85
  86 +#ifdef HAVE_LIBSELINUX
  87         if (sehnd) {
  88                 char *secontext = NULL;
  89
  90 @@ -233,6 +242,7 @@ int f2fs_sload(struct f2fs_sb_info *sbi, const char *from_dir,
  91                 }
  92                 free(secontext);
  93         }
  94 +#endif
  95
  96         /* update curseg info; can update sit->types */
  97         move_curseg_info(sbi, SM_I(sbi)->main_blkaddr);
  98 --
  99 2.10.0
 100