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Merge remote-tracking branch 'yawning/bug14922'

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This commit is contained in:
Nick Mathewson 2015-02-25 08:56:34 -05:00
commit 0dde4d6fa2
4 changed files with 2 additions and 34 deletions
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10
src/common/util.c
View File

@ -771,16 +771,6 @@ fast_memcmpstart(const void *mem, size_t memlen,
return fast_memcmp(mem, prefix, plen);
}
/** Given a nul-terminated string s, set every character before the nul
* to zero. */
void
tor_strclear(char *s)
{
while (*s) {
*s++ = '\0';
}
}
/** Return a pointer to the first char of s that is not whitespace and
* not a comment, or to the terminating NUL if no such character exists.
*/

1
src/common/util.h
View File

@ -209,7 +209,6 @@ int strcasecmpstart(const char *s1, const char *s2) ATTR_NONNULL((1,2));
int strcmpend(const char *s1, const char *s2) ATTR_NONNULL((1,2));
int strcasecmpend(const char *s1, const char *s2) ATTR_NONNULL((1,2));
int fast_memcmpstart(const void *mem, size_t memlen, const char *prefix);
void tor_strclear(char *s);
void tor_strstrip(char *s, const char *strip) ATTR_NONNULL((1,2));
long tor_parse_long(const char *s, int base, long min,

4
src/or/rendservice.c
View File

@ -173,7 +173,7 @@ rend_authorized_client_free(rend_authorized_client_t *client)
return;
if (client->client_key)
crypto_pk_free(client->client_key);
tor_strclear(client->client_name);
memwipe(client->client_name, 0, strlen(client->client_name));
tor_free(client->client_name);
memwipe(client->descriptor_cookie, 0, sizeof(client->descriptor_cookie));
tor_free(client);
@ -1052,7 +1052,7 @@ rend_service_load_auth_keys(rend_service_t *s, const char *hfname)
abort_writing_to_file(open_hfile);
done:
if (client_keys_str) {
tor_strclear(client_keys_str);
memwipe(client_keys_str, 0, strlen(client_keys_str));
tor_free(client_keys_str);
}
strmap_free(parsed_clients, rend_authorized_client_strmap_item_free);

21
src/test/test_util.c
View File

@ -4111,26 +4111,6 @@ test_util_laplace(void *arg)
;
}
static void
test_util_strclear(void *arg)
{
static const char *vals[] = { "", "a", "abcdef", "abcdefgh", NULL };
int i;
char *v = NULL;
(void)arg;
for (i = 0; vals[i]; ++i) {
size_t n;
v = tor_strdup(vals[i]);
n = strlen(v);
tor_strclear(v);
tt_assert(tor_mem_is_zero(v, n+1));
tor_free(v);
}
done:
tor_free(v);
}
#define UTIL_LEGACY(name) \
{ #name, test_util_ ## name , 0, NULL, NULL }
@ -4348,7 +4328,6 @@ struct testcase_t util_tests[] = {
UTIL_LEGACY(di_ops),
UTIL_TEST(round_to_next_multiple_of, 0),
UTIL_TEST(laplace, 0),
UTIL_TEST(strclear, 0),
UTIL_TEST(find_str_at_start_of_line, 0),
UTIL_TEST(string_is_C_identifier, 0),
UTIL_TEST(asprintf, 0),