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author | Florian Weimer <fweimer@redhat.com> | 2017-07-05 15:38:42 +0200 |
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committer | Florian Weimer <fweimer@redhat.com> | 2017-07-05 19:04:40 +0200 |
commit | d4165eedf5b85bfda3ea6b251f69838857e44925 (patch) | |
tree | 03ec09a2be6b35bfc3b3c720f084f98074477753 /support/support_chroot.c | |
parent | 76637a921f5d657998aa9a06981bf8a062ffd497 (diff) | |
download | glibc-d4165eedf5b85bfda3ea6b251f69838857e44925.zip glibc-d4165eedf5b85bfda3ea6b251f69838857e44925.tar.gz glibc-d4165eedf5b85bfda3ea6b251f69838857e44925.tar.bz2 |
support: Add support_chroot_create and support_chroot_free
Diffstat (limited to 'support/support_chroot.c')
-rw-r--r-- | support/support_chroot.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/support/support_chroot.c b/support/support_chroot.c new file mode 100644 index 0000000..c0807b3 --- /dev/null +++ b/support/support_chroot.c @@ -0,0 +1,71 @@ +/* Setup a chroot environment for use within tests. + Copyright (C) 2017 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 Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <stdlib.h> +#include <support/check.h> +#include <support/namespace.h> +#include <support/support.h> +#include <support/temp_file.h> +#include <support/test-driver.h> +#include <support/xunistd.h> + +struct support_chroot * +support_chroot_create (struct support_chroot_configuration conf) +{ + struct support_chroot *chroot = xmalloc (sizeof (*chroot)); + + chroot->path_chroot = xasprintf ("%s/tst-resolv-res_init-XXXXXX", test_dir); + if (mkdtemp (chroot->path_chroot) == NULL) + FAIL_EXIT1 ("mkdtemp (\"%s\"): %m", chroot->path_chroot); + add_temp_file (chroot->path_chroot); + + /* Create the /etc directory in the chroot environment. */ + char *path_etc = xasprintf ("%s/etc", chroot->path_chroot); + xmkdir (path_etc, 0777); + add_temp_file (path_etc); + + if (conf.resolv_conf != NULL) + { + /* Create an empty resolv.conf file. */ + chroot->path_resolv_conf = xasprintf ("%s/resolv.conf", path_etc); + add_temp_file (chroot->path_resolv_conf); + support_write_file_string (chroot->path_resolv_conf, conf.resolv_conf); + } + else + chroot->path_resolv_conf = NULL; + + free (path_etc); + + /* valgrind needs a temporary directory in the chroot. */ + { + char *path_tmp = xasprintf ("%s/tmp", chroot->path_chroot); + xmkdir (path_tmp, 0777); + add_temp_file (path_tmp); + free (path_tmp); + } + + return chroot; +} + +void +support_chroot_free (struct support_chroot *chroot) +{ + free (chroot->path_chroot); + free (chroot->path_resolv_conf); + free (chroot); +} |