diff options
| author | Dag-Erling Smørgrav <des@FreeBSD.org> | 2025-09-29 12:36:24 +0000 |
|---|---|---|
| committer | Dag-Erling Smørgrav <des@FreeBSD.org> | 2025-09-29 12:39:49 +0000 |
| commit | cf76bfbb235116702ea1689bf984f200a72d2790 (patch) | |
| tree | 0d422cf1c35880c834f314b12666665ed3cbd425 | |
| parent | d28e4ce6cb61916b4f6bedcf4205a4da1ae121e1 (diff) | |
tzcode: Test escape from TZDIR
Test a value of TZ that temporarily escapes from TZDIR (which is not
permitted when setugid) then reenters it.
MFC after: 3 days
| -rw-r--r-- | lib/libc/tests/stdtime/detect_tz_changes_test.c | 39 |
1 files changed, 26 insertions, 13 deletions
diff --git a/lib/libc/tests/stdtime/detect_tz_changes_test.c b/lib/libc/tests/stdtime/detect_tz_changes_test.c index fe6b04357331..06c31c9fbc3d 100644 --- a/lib/libc/tests/stdtime/detect_tz_changes_test.c +++ b/lib/libc/tests/stdtime/detect_tz_changes_test.c @@ -24,10 +24,12 @@ #include <atf-c.h> -static const struct tzcase { +struct tzcase { const char *tzfn; const char *expect; -} tzcases[] = { +}; + +static const struct tzcase tzcases[] = { /* * A handful of time zones and the expected result of * strftime("%z (%Z)", tm) when that time zone is active @@ -43,7 +45,8 @@ static const struct tzcase { { "UTC", "+0000 (UTC)" }, { 0 }, }; - +static const struct tzcase utc = { "UTC", "+0000 (UTC)" }; +static const struct tzcase invalid = { "invalid", "+0000 (-00)" }; static const time_t then = 1751328000; /* 2025-07-01 00:00:00 UTC */ static bool debugging; @@ -139,7 +142,7 @@ ATF_TC_BODY(tz_invalid_file, tc) ATF_REQUIRE_EQ(0, chdir("/")); /* check timezone */ unsetenv("TZ"); - test_tz("+0000 (-00)"); + test_tz(invalid.expect); } ATF_TC(thin_jail); @@ -366,12 +369,8 @@ test_tz_env(const char *tzval, const char *expect) test_tz(expect); } -ATF_TC(tz_env); -ATF_TC_HEAD(tz_env, tc) -{ - atf_tc_set_md_var(tc, "descr", "Test TZ environment variable"); -} -ATF_TC_BODY(tz_env, tc) +static void +tz_env_common(void) { char path[MAXPATHLEN]; const struct tzcase *tzcase = tzcases; @@ -394,6 +393,18 @@ ATF_TC_BODY(tz_env, tc) } } +ATF_TC(tz_env); +ATF_TC_HEAD(tz_env, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test TZ environment variable"); +} +ATF_TC_BODY(tz_env, tc) +{ + tz_env_common(); + /* escape from TZDIR is permitted when not setugid */ + test_tz_env("../zoneinfo/UTC", utc.expect); +} + ATF_TC(tz_invalid_env); ATF_TC_HEAD(tz_invalid_env, tc) @@ -403,8 +414,8 @@ ATF_TC_HEAD(tz_invalid_env, tc) } ATF_TC_BODY(tz_invalid_env, tc) { - test_tz_env("invalid", "+0000 (-00)"); - test_tz_env(":invalid", "+0000 (-00)"); + test_tz_env("invalid", invalid.expect); + test_tz_env(":invalid", invalid.expect); } ATF_TC(setugid); @@ -443,7 +454,9 @@ ATF_TC_BODY(tz_env_setugid, tc) { ATF_REQUIRE_EQ(0, seteuid(UID_NOBODY)); ATF_REQUIRE(issetugid()); - ATF_TC_BODY_NAME(tz_env)(tc); + tz_env_common(); + /* escape from TZDIR is not permitted when setugid */ + test_tz_env("../zoneinfo/UTC", invalid.expect); } ATF_TP_ADD_TCS(tp) |