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Diffstat (limited to '')
| -rw-r--r-- | src/test/test-libcrypt-util.c | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/src/test/test-libcrypt-util.c b/src/test/test-libcrypt-util.c new file mode 100644 index 0000000..cd296d6 --- /dev/null +++ b/src/test/test-libcrypt-util.c @@ -0,0 +1,102 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#if HAVE_CRYPT_H +# include <crypt.h> +#else +# include <unistd.h> +#endif + +#include "strv.h" +#include "tests.h" +#include "libcrypt-util.h" + +static int test_hash_password(void) { + log_info("/* %s */", __func__); + + /* As a warmup exercise, check if we can hash passwords. */ + + bool have_sane_hash = false; + const char *hash; + + FOREACH_STRING(hash, + "ew3bU1.hoKk4o", + "$1$gc5rWpTB$wK1aul1PyBn9AX1z93stk1", + "$2b$12$BlqcGkB/7BFvNMXKGxDea.5/8D6FTny.cbNcHW/tqcrcyo6ZJd8u2", + "$5$lGhDrcrao9zb5oIK$05KlOVG3ocknx/ThreqXE/gk.XzFFBMTksc4t2CPDUD", + "$6$c7wB/3GiRk0VHf7e$zXJ7hN0aLZapE.iO4mn/oHu6.prsXTUG/5k1AxpgR85ELolyAcaIGRgzfwJs3isTChMDBjnthZyaMCfCNxo9I.", + "$y$j9T$$9cKOWsAm4m97WiYk61lPPibZpy3oaGPIbsL4koRe/XD") { + int b; + + b = test_password_one(hash, "ppp"); + log_info("%s: %s", hash, yes_no(b)); +#if defined(XCRYPT_VERSION_MAJOR) + /* xcrypt is supposed to always implement all methods. */ + assert_se(b); +#endif + + if (b && IN_SET(hash[1], '6', 'y')) + have_sane_hash = true; + } + + return have_sane_hash; +} + +static void test_hash_password_full(void) { + log_info("/* %s */", __func__); + + _cleanup_free_ void *cd_data = NULL; + const char *i; + int cd_size = 0; + + log_info("sizeof(struct crypt_data): %zu bytes", sizeof(struct crypt_data)); + + for (unsigned c = 0; c < 2; c++) + FOREACH_STRING(i, "abc123", "h⸿sło") { + _cleanup_free_ char *hashed; + + if (c == 0) + assert_se(hash_password_full(i, &cd_data, &cd_size, &hashed) == 0); + else + assert_se(hash_password_full(i, NULL, NULL, &hashed) == 0); + log_debug("\"%s\" → \"%s\"", i, hashed); + log_info("crypt_r[a] buffer size: %i bytes", cd_size); + + assert_se(test_password_one(hashed, i) == true); + assert_se(test_password_one(i, hashed) <= 0); /* We get an error for non-utf8 */ + assert_se(test_password_one(hashed, "foobar") == false); + assert_se(test_password_many(STRV_MAKE(hashed), i) == true); + assert_se(test_password_many(STRV_MAKE(hashed), "foobar") == false); + assert_se(test_password_many(STRV_MAKE(hashed, hashed, hashed), "foobar") == false); + assert_se(test_password_many(STRV_MAKE("$y$j9T$dlCXwkX0GC5L6B8Gf.4PN/$VCyEH", + hashed, + "$y$j9T$SAayASazWZIQeJd9AS02m/$"), + i) == true); + assert_se(test_password_many(STRV_MAKE("$W$j9T$dlCXwkX0GC5L6B8Gf.4PN/$VCyEH", /* no such method exists... */ + hashed, + "$y$j9T$SAayASazWZIQeJd9AS02m/$"), + i) == true); + assert_se(test_password_many(STRV_MAKE("$y$j9T$dlCXwkX0GC5L6B8Gf.4PN/$VCyEH", + hashed, + "$y$j9T$SAayASazWZIQeJd9AS02m/$"), + "") == false); + assert_se(test_password_many(STRV_MAKE("$W$j9T$dlCXwkX0GC5L6B8Gf.4PN/$VCyEH", /* no such method exists... */ + hashed, + "$y$j9T$SAayASazWZIQeJd9AS02m/$"), + "") == false); + } +} + +int main(int argc, char *argv[]) { + test_setup_logging(LOG_DEBUG); + +#if defined(__powerpc__) && !defined(XCRYPT_VERSION_MAJOR) + return log_tests_skipped("crypt_r() causes a buffer overflow on ppc64el, see https://github.com/systemd/systemd/pull/16981#issuecomment-691203787"); +#endif + + if (!test_hash_password()) + return log_tests_skipped("crypt doesn't support yescrypt or sha512crypt"); + + test_hash_password_full(); + + return 0; +} |