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Merge branch 'ticket40374_046' into maint-0.4.6

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This commit is contained in:
Nick Mathewson 2021-05-10 14:30:00 -04:00
commit 8851861ff0
4 changed files with 11 additions and 28 deletions
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4
changes/ticket40374 Normal file
View File

@ -0,0 +1,4 @@
o Removed features:
- Remove unneeded code for parsing private keys in directory documents.
This code was only used for client authentication in v2 onion
services, which are now unsupported. Closes ticket 40374.

27
src/feature/dirparse/parsecommon.c
View File

@ -216,7 +216,6 @@ token_check_object(memarea_t *area, const char *kwd,
}
break;
case NEED_KEY_1024: /* There must be a 1024-bit public key. */
case NEED_SKEY_1024: /* There must be a 1024-bit private key. */
if (tok->key && crypto_pk_num_bits(tok->key) != PK_BYTES*8) {
tor_snprintf(ebuf, sizeof(ebuf), "Wrong size on key for %s: %d bits",
kwd, crypto_pk_num_bits(tok->key));
@ -228,18 +227,11 @@ token_check_object(memarea_t *area, const char *kwd,
tor_snprintf(ebuf, sizeof(ebuf), "Missing public key for %s", kwd);
RET_ERR(ebuf);
}
if (o_syn != NEED_SKEY_1024) {
if (crypto_pk_key_is_private(tok->key)) {
tor_snprintf(ebuf, sizeof(ebuf),
"Private key given for %s, which wants a public key", kwd);
RET_ERR(ebuf);
}
} else { /* o_syn == NEED_SKEY_1024 */
if (!crypto_pk_key_is_private(tok->key)) {
tor_snprintf(ebuf, sizeof(ebuf),
"Public key given for %s, which wants a private key", kwd);
RET_ERR(ebuf);
}
if (crypto_pk_key_is_private(tok->key)) {
tor_snprintf(ebuf, sizeof(ebuf),
"Private key given for %s, which wants a public key", kwd);
RET_ERR(ebuf);
}
break;
case OBJ_OK:
@ -409,15 +401,6 @@ get_next_token(memarea_t *area,
tok->key = crypto_pk_asn1_decode(tok->object_body, tok->object_size);
if (! tok->key)
RET_ERR("Couldn't parse public key.");
} else if (!strcmp(tok->object_type, "RSA PRIVATE KEY")) { /* private key */
if (o_syn != NEED_SKEY_1024 && o_syn != OBJ_OK) {
RET_ERR("Unexpected private key.");
}
tok->key = crypto_pk_asn1_decode_private(tok->object_body,
tok->object_size,
1024);
if (! tok->key)
RET_ERR("Couldn't parse private key.");
}
*s = eol;

1
src/feature/dirparse/parsecommon.h
View File

@ -218,7 +218,6 @@ typedef struct directory_token_t {
typedef enum {
NO_OBJ, /**< No object, ever. */
NEED_OBJ, /**< Object is required. */
NEED_SKEY_1024,/**< Object is required, and must be a 1024 bit private key */
NEED_KEY_1024, /**< Object is required, and must be a 1024 bit public key */
NEED_KEY, /**< Object is required, and must be a public key. */
OBJ_OK, /**< Object is optional. */

7
src/test/test_parsecommon.c
View File

@ -326,18 +326,15 @@ test_parsecommon_get_next_token_parse_keys(void *arg)
const char *end2 = str2 + strlen(str2);
const char **s2 = (const char **)&str2;
token_rule_t rule2 = T01("client-key", C_CLIENT_KEY, NO_ARGS,
NEED_SKEY_1024);
token_rule_t rule2 = T01("client-key", C_CLIENT_KEY, NO_ARGS, OBJ_OK);
token2 = get_next_token(area, s2, end2, &rule2);
tt_assert(token2);
tt_int_op(token2->tp, OP_EQ, C_CLIENT_KEY);
tt_int_op(token2->n_args, OP_EQ, 0);
tt_str_op(token2->object_type, OP_EQ, "RSA PRIVATE KEY");
tt_int_op(token2->object_size, OP_EQ, 608);
tt_assert(token2->object_body);
tt_assert(token2->key);
tt_assert(token2->key == NULL);
tt_assert(!token->error);
done: