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When parsing tokens, reject early on spurious keys.

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This commit is contained in:
Nick Mathewson 2020-02-05 11:57:31 -05:00
parent 9e1085c924
commit f160212ee8
1 changed files with 6 additions and 0 deletions
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6
src/feature/dirparse/parsecommon.c
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@ -384,10 +384,16 @@ get_next_token(memarea_t *area,
RET_ERR("Couldn't parse object: missing footer or object much too big.");
if (!strcmp(tok->object_type, "RSA PUBLIC KEY")) { /* If it's a public key */
if (o_syn != NEED_KEY && o_syn != NEED_KEY_1024 && o_syn != OBJ_OK) {
RET_ERR("Unexpected public key.");
}
tok->key = crypto_pk_new();
if (crypto_pk_read_public_key_from_string(tok->key, obstart, eol-obstart))
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_new();
if (crypto_pk_read_private_key1024_from_string(tok->key,
obstart, eol-obstart))