diff options
Diffstat (limited to 'nss/tst-nss-files-hosts-erange.c')
| -rw-r--r-- | nss/tst-nss-files-hosts-erange.c | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/nss/tst-nss-files-hosts-erange.c b/nss/tst-nss-files-hosts-erange.c new file mode 100644 index 0000000000..beb7aa9fa0 --- /dev/null +++ b/nss/tst-nss-files-hosts-erange.c @@ -0,0 +1,109 @@ +/* Parse /etc/hosts in multi mode with a trailing long line (bug 21915). + 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 <dlfcn.h> +#include <errno.h> +#include <gnu/lib-names.h> +#include <netdb.h> +#include <nss.h> +#include <support/check.h> +#include <support/check_nss.h> +#include <support/namespace.h> +#include <support/test-driver.h> +#include <support/xunistd.h> + +struct support_chroot *chroot_env; + +#define X10 "XXXXXXXXXX" +#define X100 X10 X10 X10 X10 X10 X10 X10 X10 X10 X10 +#define X1000 X100 X100 X100 X100 X100 X100 X100 X100 X100 X100 + +static void +prepare (int argc, char **argv) +{ + chroot_env = support_chroot_create + ((struct support_chroot_configuration) + { + .resolv_conf = "", + .hosts = + "127.0.0.1 localhost localhost.localdomain\n" + "::1 localhost localhost.localdomain\n" + "192.0.2.1 example.com\n" + "#" X1000 X100 "\n", + .host_conf = "multi on\n", + }); +} + +static int +do_test (void) +{ + support_become_root (); + if (!support_can_chroot ()) + return EXIT_UNSUPPORTED; + + __nss_configure_lookup ("hosts", "files"); + if (dlopen (LIBNSS_FILES_SO, RTLD_LAZY) == NULL) + FAIL_EXIT1 ("could not load " LIBNSS_DNS_SO ": %s", dlerror ()); + + xchroot (chroot_env->path_chroot); + + errno = ERANGE; + h_errno = NETDB_INTERNAL; + check_hostent ("gethostbyname example.com", + gethostbyname ("example.com"), + "name: example.com\n" + "address: 192.0.2.1\n"); + errno = ERANGE; + h_errno = NETDB_INTERNAL; + check_hostent ("gethostbyname2 AF_INET example.com", + gethostbyname2 ("example.com", AF_INET), + "name: example.com\n" + "address: 192.0.2.1\n"); + { + struct addrinfo hints = + { + .ai_family = AF_UNSPEC, + .ai_socktype = SOCK_STREAM, + .ai_protocol = IPPROTO_TCP, + }; + errno = ERANGE; + h_errno = NETDB_INTERNAL; + struct addrinfo *ai; + int ret = getaddrinfo ("example.com", "80", &hints, &ai); + check_addrinfo ("example.com AF_UNSPEC", ai, ret, + "address: STREAM/TCP 192.0.2.1 80\n"); + if (ret == 0) + freeaddrinfo (ai); + + hints.ai_family = AF_INET; + errno = ERANGE; + h_errno = NETDB_INTERNAL; + ret = getaddrinfo ("example.com", "80", &hints, &ai); + check_addrinfo ("example.com AF_INET", ai, ret, + "address: STREAM/TCP 192.0.2.1 80\n"); + if (ret == 0) + freeaddrinfo (ai); + } + + support_chroot_free (chroot_env); + return 0; +} + +#define PREPARE prepare +#include <support/test-driver.c> |