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tests: cover MEMORY ccache cursor invalidation for #547

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This commit is contained in:
Roland C. Dowdeswell
2026-05-21 11:46:47 +01:00
committed by Nico Williams
parent a105e8e117
commit e89417f2a1
1 changed files with 105 additions and 0 deletions
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lib/krb5/test_cc.c
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@@ -377,6 +377,110 @@ test_cache_remove(krb5_context context, const char *type)
krb5_free_principal(context, cred.client);
}
static void
make_cursor_cred(krb5_context context, krb5_creds *cred, const char *server)
{
krb5_error_code ret;
memset(cred, 0, sizeof(*cred));
ret = krb5_parse_name(context, "lha@SU.SE", &cred->client);
if (ret)
krb5_err(context, 1, ret, "krb5_parse_name");
ret = krb5_parse_name(context, server, &cred->server);
if (ret)
krb5_err(context, 1, ret, "krb5_parse_name");
cred->times.endtime = time(NULL) + 300;
}
static void
expect_memory_cursor_invalidated(krb5_context context, krb5_ccache id,
krb5_cc_cursor *cursor, const char *what)
{
krb5_error_code ret;
krb5_creds found;
memset(&found, 0, sizeof(found));
ret = krb5_cc_next_cred(context, id, cursor, &found);
if (ret == 0) {
krb5_free_cred_contents(context, &found);
krb5_errx(context, 1,
"MEMORY cursor was not invalidated after %s", what);
}
if (ret != ENOENT && ret != KRB5_CC_END)
krb5_err(context, 1, ret,
"unexpected MEMORY cursor invalidation error after %s", what);
ret = krb5_cc_end_seq_get(context, id, cursor);
if (ret)
krb5_err(context, 1, ret, "krb5_cc_end_seq_get");
}
static void
test_mcache_cursor_invalidation(krb5_context context)
{
krb5_error_code ret;
krb5_ccache id, id2;
krb5_cc_cursor cursor;
krb5_principal p;
krb5_creds cred1, cred2;
char *name = NULL;
ret = krb5_parse_name(context, "lha@SU.SE", &p);
if (ret)
krb5_err(context, 1, ret, "krb5_parse_name");
ret = krb5_cc_new_unique(context, krb5_cc_type_memory, NULL, &id);
if (ret)
krb5_err(context, 1, ret, "krb5_cc_new_unique");
if (asprintf(&name, "%s:%s", krb5_cc_get_type(context, id),
krb5_cc_get_name(context, id)) == -1 || name == NULL)
krb5_err(context, 1, errno, "asprintf");
ret = krb5_cc_resolve(context, name, &id2);
free(name);
if (ret)
krb5_err(context, 1, ret, "krb5_cc_resolve");
make_cursor_cred(context, &cred1, "krbtgt/SU.SE@SU.SE");
make_cursor_cred(context, &cred2, "krbtgt/H5L.SE@SU.SE");
ret = krb5_cc_initialize(context, id, p);
if (ret)
krb5_err(context, 1, ret, "krb5_cc_initialize");
ret = krb5_cc_store_cred(context, id, &cred1);
if (ret)
krb5_err(context, 1, ret, "krb5_cc_store_cred");
ret = krb5_cc_start_seq_get(context, id, &cursor);
if (ret)
krb5_err(context, 1, ret, "krb5_cc_start_seq_get");
ret = krb5_cc_initialize(context, id2, p);
if (ret)
krb5_err(context, 1, ret, "krb5_cc_initialize");
expect_memory_cursor_invalidated(context, id, &cursor, "initialize");
ret = krb5_cc_initialize(context, id, p);
if (ret)
krb5_err(context, 1, ret, "krb5_cc_initialize");
ret = krb5_cc_store_cred(context, id, &cred1);
if (ret)
krb5_err(context, 1, ret, "krb5_cc_store_cred");
ret = krb5_cc_store_cred(context, id, &cred2);
if (ret)
krb5_err(context, 1, ret, "krb5_cc_store_cred");
ret = krb5_cc_start_seq_get(context, id, &cursor);
if (ret)
krb5_err(context, 1, ret, "krb5_cc_start_seq_get");
ret = krb5_cc_remove_cred(context, id2, 0, &cred2);
if (ret)
krb5_err(context, 1, ret, "krb5_cc_remove_cred");
expect_memory_cursor_invalidated(context, id, &cursor, "remove");
krb5_free_cred_contents(context, &cred1);
krb5_free_cred_contents(context, &cred2);
krb5_cc_destroy(context, id);
krb5_cc_close(context, id2);
krb5_free_principal(context, p);
}
static void
test_mcc_default(void)
{
@@ -1001,6 +1105,7 @@ main(int argc, char **argv)
test_default_name(context);
test_mcache(context);
test_mcache_cursor_invalidation(context);
/*
* XXX Make sure to set default ccache names for each cc type!
* Otherwise we clobber the user's ccaches.