diff options
Diffstat (limited to 'resolv')
| -rw-r--r-- | resolv/Makefile | 2 | ||||
| -rw-r--r-- | resolv/tst-ns_name_pton.c | 203 |
2 files changed, 205 insertions, 0 deletions
diff --git a/resolv/Makefile b/resolv/Makefile index 0b8dbf2552..03234964c8 100644 --- a/resolv/Makefile +++ b/resolv/Makefile @@ -46,6 +46,7 @@ tests += \ tst-bug18665-tcp \ tst-ns_name \ tst-ns_name_compress \ + tst-ns_name_pton \ tst-res_hconf_reorder \ tst-res_hnok \ tst-res_use_inet6 \ @@ -173,6 +174,7 @@ $(objpfx)tst-resolv-canonname: \ $(objpfx)tst-ns_name: $(objpfx)libresolv.so $(objpfx)tst-ns_name.out: tst-ns_name.data $(objpfx)tst-ns_name_compress: $(objpfx)libresolv.so +$(objpfx)tst-ns_name_pton: $(objpfx)libresolv.so $(objpfx)tst-res_hnok: $(objpfx)libresolv.so diff --git a/resolv/tst-ns_name_pton.c b/resolv/tst-ns_name_pton.c new file mode 100644 index 0000000000..879d97c9d3 --- /dev/null +++ b/resolv/tst-ns_name_pton.c @@ -0,0 +1,203 @@ +/* Tests for ns_name_pton. + 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 <arpa/nameser.h> +#include <array_length.h> +#include <stdbool.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <support/check.h> +#include <support/support.h> +#include <support/test-driver.h> + +/* Bits which indicate which functions are supposed to report + success. */ +enum + { + hnok = 1, + dnok = 2, + mailok = 4, + ownok = 8, + allnomailok = hnok | dnok | ownok, + allok = hnok | dnok | mailok | ownok + }; + +/* A string of 60 characters. */ +#define STRING60 "zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz" + +/* A string of 63 characters (maximum label length). */ +#define STRING63 STRING60 "zzz" + +/* A string of 60 bytes (non-ASCII). */ +#define STRING60OCT \ + "\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377" \ + "\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377" \ + "\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377" \ + "\377\377\377\377\377\377\377\377\377" + +/* A string of 63 bytes (non-ASCII). */ +#define STRING63OCT STRING60OCT "\377\377\377" + +/* A string of 60 bytes (non-ASCII, quoted decimal). */ +#define STRING60DEC \ + "\\255\\255\\255\\255\\255\\255\\255\\255\\255\\255" \ + "\\255\\255\\255\\255\\255\\255\\255\\255\\255\\255" \ + "\\255\\255\\255\\255\\255\\255\\255\\255\\255\\255" \ + "\\255\\255\\255\\255\\255\\255\\255\\255\\255\\255" \ + "\\255\\255\\255\\255\\255\\255\\255\\255\\255\\255" \ + "\\255\\255\\255\\255\\255\\255\\255\\255\\255\\255" + +/* A string of 63 bytes (non-ASCII, quoted decimal). */ +#define STRING63DEC STRING60DEC "\\255\\255\\255" + +/* Combines a test name with the expected results. */ +struct test_case +{ + const char *dn; + const char *back; /* Expected test result converted using ns_name_ntop. */ + bool fully_qualified; /* True if the domain name has a trailing dot. */ +}; + +static const struct test_case tests[] = + { + { "", ".", false }, + { ".", ".", true }, + { "..", NULL, }, + { "www", "www", false }, + { "www.", "www", true }, + { "www\\.", "www\\.", false }, + { ".www", NULL, }, + { ".www\\.", NULL, }, + { "example.com", "example.com", false }, + { "example.com.", "example.com", true }, + { ".example.com", NULL, }, + { ".example.com.", NULL, }, + { "example\\.com", "example\\.com", false }, + { "example\\.com.", "example\\.com", true }, + { "example..", NULL, }, + { "example..com", NULL, }, + { "example..com", NULL, }, + { "\\0", NULL, }, + { "\\00", NULL, }, + { "\\000", "\\000", false }, + { "\\1", NULL, }, + { "\\01", NULL, }, + { "\\001", "\\001", false }, + { "\\1x", NULL, }, + { "\\01x", NULL, }, + { "\\001x", "\\001x", false }, + { "\\256", NULL, }, + { "\\0641", "\\@1", false }, + { "\\0011", "\\0011", false }, + { STRING63, STRING63, false }, + { STRING63 ".", STRING63, true }, + { STRING63 "z", NULL, }, + { STRING63 "\\.", NULL, }, + { STRING60 "zz\\.", STRING60 "zz\\.", false }, + { STRING60 "zz\\..", STRING60 "zz\\.", true }, + { STRING63 "." STRING63 "." STRING63 "." STRING60 "z", + STRING63 "." STRING63 "." STRING63 "." STRING60 "z", false }, + { STRING63 "." STRING63 "." STRING63 "." STRING60 "z.", + STRING63 "." STRING63 "." STRING63 "." STRING60 "z", true }, + { STRING63 "." STRING63 "." STRING63 "." STRING60 "zz", NULL, }, + { STRING63 "." STRING63 "." STRING63 "." STRING60 "zzz", NULL, }, + { STRING63OCT "." STRING63OCT "." STRING63OCT "." STRING60OCT "\377", + STRING63DEC "." STRING63DEC "." STRING63DEC "." STRING60DEC "\\255", + false }, + { STRING63OCT "." STRING63OCT "." STRING63OCT "." STRING60OCT "\377.", + STRING63DEC "." STRING63DEC "." STRING63DEC "." STRING60DEC "\\255", + true }, + { STRING63OCT "." STRING63OCT "." STRING63OCT "." STRING60OCT + "\377\377", NULL, }, + { STRING63OCT "." STRING63OCT "." STRING63OCT "." STRING60OCT + "\377\377\377", NULL, }, + }; + +static int +do_test (void) +{ + unsigned char *wire = xmalloc (NS_MAXCDNAME); + char *text = xmalloc (NS_MAXDNAME); + for (const struct test_case *test = tests; test < array_end (tests); ++test) + { + if (test_verbose) + printf ("info: testing domain name [[[%s]]]\n", test->dn); + int ret = ns_name_pton (test->dn, wire, NS_MAXCDNAME); + if (ret == -1) + { + if (test->back != NULL) + { + support_record_failure (); + printf ("error: unexpected decoding failure for [[%s]]\n", + test->dn); + } + /* Otherwise, we have an expected decoding failure. */ + continue; + } + + if (ret < -1 || ret > 1) + { + support_record_failure (); + printf ("error: invalid return value %d for [[%s]]\n", + ret, test->dn); + continue; + } + + int ret2 = ns_name_ntop (wire, text, NS_MAXDNAME); + + if (ret2 < 0) + { + support_record_failure (); + printf ("error: failure to convert back [[%s]]\n", test->dn); + } + + if (test->back == NULL) + { + support_record_failure (); + printf ("error: unexpected success converting [[%s]]\n", test->dn); + if (ret2 >= 1) + printf ("error: result converts back to [[%s]]\n", test->dn); + continue; + } + + if (strcmp (text, test->back) != 0) + { + support_record_failure (); + printf ("error: back-conversion of [[%s]] did not match\n", + test->dn); + printf ("error: expected: [[%s]]\n", test->back); + printf ("error: actual: [[%s]]\n", text); + } + + if (ret != test->fully_qualified) + { + support_record_failure (); + printf ("error: invalid fully-qualified status for [[%s]]\n", + test->dn); + printf ("error: expected: %d\n", (int) test->fully_qualified); + printf ("error: actual: %d\n", ret); + } + } + + free (text); + free (wire); + return 0; +} + +#include <support/test-driver.c> |