From: "Fabio M. Di Nitto" <fdinitto@xxxxxxxxxx> Signed-off-by: Fabio M. Di Nitto <fdinitto@xxxxxxxxxx> --- conf/corosync.conf.example | 7 - conf/lenses/corosync.aug | 1 - conf/lenses/tests/test_corosync.aug | 2 - exec/coroparse.c | 8 - exec/main.c | 1 - exec/totemconfig.c | 14 -- exec/totemcrypto.c | 273 +++++++++-------------------------- exec/totemcrypto.h | 1 - exec/totemudp.c | 1 - exec/totemudpu.c | 1 - include/corosync/totem/totem.h | 2 - man/corosync.conf.5 | 13 -- 12 files changed, 65 insertions(+), 259 deletions(-) diff --git a/conf/corosync.conf.example b/conf/corosync.conf.example index 6ffb4cf..7121548 100644 --- a/conf/corosync.conf.example +++ b/conf/corosync.conf.example @@ -8,13 +8,6 @@ totem { crypto_cipher: none crypto_hash: none - # crypto_compat: 2.0|2.2 (default higher) can be used to change - # on-wire crypto packet format. Unless performing some special - # rolling upgrades from corosync < 2.2 to 2.2, to keep the cluster - # running, do not touch this option. This option cannot be changed - # at runtime. - #crypto_compat: 2.2 - # interface: define at least one interface to communicate # over. If you define more than one interface stanza, you must # also set rrp_mode. diff --git a/conf/lenses/corosync.aug b/conf/lenses/corosync.aug index cc2311c..1418c30 100644 --- a/conf/lenses/corosync.aug +++ b/conf/lenses/corosync.aug @@ -53,7 +53,6 @@ let totem = |kv "crypto_type" /nss|aes256|aes192|aes128|3des/ |kv "crypto_cipher" /none|nss|aes256|aes192|aes128|3des/ |kv "crypto_hash" /none|md5|sha1|sha256|sha384|sha512/ - |kv "crypto_compat" /2.0|2.2/ |kv "transport" /udp|iba/ |kv "version" Rx.integer |kv "nodeid" Rx.integer diff --git a/conf/lenses/tests/test_corosync.aug b/conf/lenses/tests/test_corosync.aug index 71e41bf..486b543 100644 --- a/conf/lenses/tests/test_corosync.aug +++ b/conf/lenses/tests/test_corosync.aug @@ -7,7 +7,6 @@ totem { secauth: off crypto_cipher: none crypto_hash: none - crypto_compat: 2.2 threads: 0 clear_node_high_bit: no rrp_mode: none @@ -97,7 +96,6 @@ test Corosync.lns get conf = { "secauth" = "off" } { "crypto_cipher" = "none" } { "crypto_hash" = "none" } - { "crypto_compat" = "2.2" } { "threads" = "0" } { "clear_node_high_bit" = "no" } { "rrp_mode" = "none" } diff --git a/exec/coroparse.c b/exec/coroparse.c index d5a50bb..da25225 100644 --- a/exec/coroparse.c +++ b/exec/coroparse.c @@ -543,14 +543,6 @@ static int main_config_parser_cb(const char *path, return (0); } } - if (strcmp(path, "totem.crypto_compat") == 0) { - if ((strcmp(value, "2.0") != 0) && - (strcmp(value, "2.2") != 0)) { - *error_string = "Invalid crypto compat type"; - - return (0); - } - } break; case MAIN_CP_CB_DATA_STATE_QB: diff --git a/exec/main.c b/exec/main.c index 6a5dc45..7707a9d 100644 --- a/exec/main.c +++ b/exec/main.c @@ -913,7 +913,6 @@ static void set_icmap_ro_keys_flag (void) */ icmap_set_ro_access("totem.crypto_cipher", CS_FALSE, CS_TRUE); icmap_set_ro_access("totem.crypto_hash", CS_FALSE, CS_TRUE); - icmap_set_ro_access("totem.crypto_compat", CS_FALSE, CS_TRUE); icmap_set_ro_access("totem.secauth", CS_FALSE, CS_TRUE); icmap_set_ro_access("totem.ip_version", CS_FALSE, CS_TRUE); icmap_set_ro_access("totem.rrp_mode", CS_FALSE, CS_TRUE); diff --git a/exec/totemconfig.c b/exec/totemconfig.c index fc833f5..3257dd4 100644 --- a/exec/totemconfig.c +++ b/exec/totemconfig.c @@ -119,11 +119,9 @@ static void totem_get_crypto(struct totem_config *totem_config) char *str; const char *tmp_cipher; const char *tmp_hash; - const char *tmp_compat; tmp_hash = "sha1"; tmp_cipher = "aes256"; - tmp_compat = "2.2"; if (icmap_get_string("totem.secauth", &str) == CS_OK) { if (strcmp (str, "off") == 0) { @@ -174,23 +172,11 @@ static void totem_get_crypto(struct totem_config *totem_config) free(str); } - if (icmap_get_string("totem.crypto_compat", &str) == CS_OK) { - if (strcmp(str, "2.0") == 0) { - tmp_compat = "2.0"; - } - if (strcmp(str, "2.2") == 0) { - tmp_compat = "2.2"; - } - free(str); - } - free(totem_config->crypto_cipher_type); free(totem_config->crypto_hash_type); - free(totem_config->crypto_compat_type); totem_config->crypto_cipher_type = strdup(tmp_cipher); totem_config->crypto_hash_type = strdup(tmp_hash); - totem_config->crypto_compat_type = strdup(tmp_compat); } static uint16_t generate_cluster_id (const char *cluster_name) diff --git a/exec/totemcrypto.c b/exec/totemcrypto.c index 90cbb24..69818b8 100644 --- a/exec/totemcrypto.c +++ b/exec/totemcrypto.c @@ -82,8 +82,8 @@ struct crypto_config_header { #endif /* - * while CRYPTO_CIPHER_TYPE_2_2 is not a real cipher at all, - * we still allocate a value for it because we use crypto_crypt_t + * while CRYPTO_CIPHER_TYPE_2_X are not a real cipher at all, + * we still allocate a value for them because we use crypto_crypt_t * internally and we don't want overlaps */ @@ -93,6 +93,7 @@ enum crypto_crypt_t { CRYPTO_CIPHER_TYPE_AES192 = 2, CRYPTO_CIPHER_TYPE_AES128 = 3, CRYPTO_CIPHER_TYPE_3DES = 4, + CRYPTO_CIPHER_TYPE_2_3 = UINT8_MAX - 1, CRYPTO_CIPHER_TYPE_2_2 = UINT8_MAX }; @@ -125,8 +126,8 @@ size_t cypher_block_len[] = { */ /* - * while CRYPTO_HASH_TYPE_2_2 is not a real hash mechanism at all, - * we still allocate a value for it because we use crypto_hash_t + * while CRYPTO_HASH_TYPE_2_X are not a real hash mechanism at all, + * we still allocate a value for them because we use crypto_hash_t * internally and we don't want overlaps */ @@ -137,6 +138,7 @@ enum crypto_hash_t { CRYPTO_HASH_TYPE_SHA256 = 3, CRYPTO_HASH_TYPE_SHA384 = 4, CRYPTO_HASH_TYPE_SHA512 = 5, + CRYPTO_HASH_TYPE_2_3 = UINT8_MAX - 1, CRYPTO_HASH_TYPE_2_2 = UINT8_MAX }; @@ -167,15 +169,6 @@ size_t hash_block_len[] = { SHA512_BLOCK_LENGTH /* CRYPTO_HASH_TYPE_SHA512 */ }; -/* - * crypto on-wire compat - */ - -enum crypto_compat_t { - CRYPTO_COMPAT_2_0 = 0, - CRYPTO_COMPAT_2_2 = 1 -}; - struct crypto_instance { PK11SymKey *nss_sym_key; PK11SymKey *nss_sym_key_sign; @@ -188,8 +181,6 @@ struct crypto_instance { enum crypto_hash_t crypto_hash_type; - enum crypto_compat_t crypto_compat_type; - unsigned int crypto_header_size; void (*log_printf_func) ( @@ -216,20 +207,6 @@ do { \ } while (0); /* - * compat functions - */ - -static int string_to_crypto_compat_type(const char* crypto_compat_type) -{ - if (strcmp(crypto_compat_type, "2.0") == 0) { - return CRYPTO_COMPAT_2_0; - } else if (strcmp(crypto_compat_type, "2.1") == 0) { - return CRYPTO_COMPAT_2_2; - } - return CRYPTO_COMPAT_2_2; -} - -/* * crypt/decrypt functions */ @@ -595,12 +572,11 @@ static int init_nss_db(struct crypto_instance *instance) static int init_nss(struct crypto_instance *instance, const char *crypto_cipher_type, - const char *crypto_hash_type, - const char *crypto_compat_type) + const char *crypto_hash_type) { log_printf(instance->log_level_notice, - "Initializing transmit/receive security (NSS) crypto: %s hash: %s compat: %s", - crypto_cipher_type, crypto_hash_type, crypto_compat_type); + "Initializing transmit/receive security (NSS) crypto: %s hash: %s", + crypto_cipher_type, crypto_hash_type); if (init_nss_db(instance) < 0) { return -1; @@ -617,31 +593,7 @@ static int init_nss(struct crypto_instance *instance, return 0; } -static int encrypt_and_sign_nss_2_0 ( - struct crypto_instance *instance, - const unsigned char *buf_in, - const size_t buf_in_len, - unsigned char *buf_out, - size_t *buf_out_len) -{ - unsigned char *hash = buf_out; - unsigned char *data = hash + hash_len[instance->crypto_hash_type]; - - if (encrypt_nss(instance, buf_in, buf_in_len, data, buf_out_len) < 0) { - return -1; - } - - if (hash_to_nss[instance->crypto_hash_type]) { - if (calculate_nss_hash(instance, data, *buf_out_len, hash) < 0) { - return -1; - } - *buf_out_len = *buf_out_len + hash_len[instance->crypto_hash_type]; - } - - return 0; -} - -static int encrypt_and_sign_nss_2_2 ( +static int encrypt_and_sign_nss_2_3 ( struct crypto_instance *instance, const unsigned char *buf_in, const size_t buf_in_len, @@ -666,38 +618,7 @@ static int encrypt_and_sign_nss_2_2 ( return 0; } -static int authenticate_and_decrypt_nss_2_0 ( - struct crypto_instance *instance, - unsigned char *buf, - int *buf_len) -{ - if (hash_to_nss[instance->crypto_hash_type]) { - unsigned char tmp_hash[hash_len[instance->crypto_hash_type]]; - unsigned char *hash = buf; - unsigned char *data = hash + hash_len[instance->crypto_hash_type]; - int datalen = *buf_len - hash_len[instance->crypto_hash_type]; - - if (calculate_nss_hash(instance, data, datalen, tmp_hash) < 0) { - return -1; - } - - if (memcmp(tmp_hash, hash, hash_len[instance->crypto_hash_type]) != 0) { - log_printf(instance->log_level_error, "Digest does not match"); - return -1; - } - - memmove(buf, data, datalen); - *buf_len = datalen; - } - - if (decrypt_nss(instance, buf, buf_len) < 0) { - return -1; - } - - return 0; -} - -static int authenticate_nss_2_2 ( +static int authenticate_nss_2_3 ( struct crypto_instance *instance, unsigned char *buf, int *buf_len) @@ -720,7 +641,7 @@ static int authenticate_nss_2_2 ( return 0; } -static int decrypt_nss_2_2 ( +static int decrypt_nss_2_3 ( struct crypto_instance *instance, unsigned char *buf, int *buf_len) @@ -765,7 +686,7 @@ size_t crypto_sec_header_size( * crypto_cipher_type | crypto_hash_type | __pad0 | __pad1 | hash | salt | data * only data is encrypted, hash only covers salt + data * - * 2.2 packet format + * 2.2/2.3 packet format * fake_crypto_cipher_type | fake_crypto_hash_type | __pad0 | __pad1 | salt | data | hash * only data is encrypted, hash covers the whole packet * @@ -784,35 +705,14 @@ int crypto_encrypt_and_sign ( struct crypto_config_header *cch = (struct crypto_config_header *)buf_out; int err; - switch (instance->crypto_compat_type) { - case CRYPTO_COMPAT_2_0: - cch->crypto_cipher_type = instance->crypto_cipher_type; - cch->crypto_hash_type = instance->crypto_hash_type; - cch->__pad0 = 0; - cch->__pad1 = 0; - - buf_out += sizeof(struct crypto_config_header); - - err = encrypt_and_sign_nss_2_0(instance, - buf_in, buf_in_len, - buf_out, buf_out_len); + cch->crypto_cipher_type = CRYPTO_CIPHER_TYPE_2_3; + cch->crypto_hash_type = CRYPTO_HASH_TYPE_2_3; + cch->__pad0 = 0; + cch->__pad1 = 0; - *buf_out_len = *buf_out_len + sizeof(struct crypto_config_header); - break; - case CRYPTO_COMPAT_2_2: - cch->crypto_cipher_type = CRYPTO_CIPHER_TYPE_2_2; - cch->crypto_hash_type = CRYPTO_HASH_TYPE_2_2; - cch->__pad0 = 0; - cch->__pad1 = 0; - - err = encrypt_and_sign_nss_2_2(instance, - buf_in, buf_in_len, - buf_out, buf_out_len); - break; - default: - err = -1; - break; - } + err = encrypt_and_sign_nss_2_3(instance, + buf_in, buf_in_len, + buf_out, buf_out_len); return err; } @@ -823,92 +723,51 @@ int crypto_authenticate_and_decrypt (struct crypto_instance *instance, { struct crypto_config_header *cch = (struct crypto_config_header *)buf; - switch (instance->crypto_compat_type) { - case CRYPTO_COMPAT_2_0: - - /* - * decode crypto config of incoming packets - */ - - if (cch->crypto_cipher_type != instance->crypto_cipher_type) { - log_printf(instance->log_level_security, - "Incoming packet has different crypto type. Rejecting"); - return -1; - } - - if (cch->crypto_hash_type != instance->crypto_hash_type) { - log_printf(instance->log_level_security, - "Incoming packet has different hash type. Rejecting"); - return -1; - } - - if ((cch->__pad0 != 0) || (cch->__pad1 != 0)) { - log_printf(instance->log_level_security, - "Incoming packet appears to have features not supported by this version of corosync. Rejecting"); - return -1; - } - - /* - * invalidate config header and kill it - */ - - cch = NULL; - *buf_len -= sizeof(struct crypto_config_header); - memmove(buf, buf + sizeof(struct crypto_config_header), *buf_len); - - return authenticate_and_decrypt_nss_2_0(instance, buf, buf_len); - break; - case CRYPTO_COMPAT_2_2: - if (cch->crypto_cipher_type != CRYPTO_CIPHER_TYPE_2_2) { - log_printf(instance->log_level_security, - "Incoming packet has different crypto type. Rejecting"); - return -1; - } - - if (cch->crypto_hash_type != CRYPTO_HASH_TYPE_2_2) { - log_printf(instance->log_level_security, - "Incoming packet has different hash type. Rejecting"); - return -1; - } - - /* - * authenticate packet first - */ - - if (authenticate_nss_2_2(instance, buf, buf_len) != 0) { - return -1; - } - - /* - * now we can "trust" the padding bytes/future features - */ - - if ((cch->__pad0 != 0) || (cch->__pad1 != 0)) { - log_printf(instance->log_level_security, - "Incoming packet appears to have features not supported by this version of corosync. Rejecting"); - return -1; - } - - /* - * decrypt - */ - - if (decrypt_nss_2_2(instance, buf, buf_len) != 0) { - return -1; - } - - /* - * invalidate config header and kill it - */ - cch = NULL; - memmove(buf, buf + sizeof(struct crypto_config_header), *buf_len); - - return 0; - break; - default: - return -1; - break; + if (cch->crypto_cipher_type != CRYPTO_CIPHER_TYPE_2_3) { + log_printf(instance->log_level_security, + "Incoming packet has different crypto type. Rejecting"); + return -1; + } + + if (cch->crypto_hash_type != CRYPTO_HASH_TYPE_2_3) { + log_printf(instance->log_level_security, + "Incoming packet has different hash type. Rejecting"); + return -1; + } + + /* + * authenticate packet first + */ + + if (authenticate_nss_2_3(instance, buf, buf_len) != 0) { + return -1; + } + + /* + * now we can "trust" the padding bytes/future features + */ + + if ((cch->__pad0 != 0) || (cch->__pad1 != 0)) { + log_printf(instance->log_level_security, + "Incoming packet appears to have features not supported by this version of corosync. Rejecting"); + return -1; } + + /* + * decrypt + */ + + if (decrypt_nss_2_3(instance, buf, buf_len) != 0) { + return -1; + } + + /* + * invalidate config header and kill it + */ + cch = NULL; + memmove(buf, buf + sizeof(struct crypto_config_header), *buf_len); + + return 0; } struct crypto_instance *crypto_init( @@ -916,7 +775,6 @@ struct crypto_instance *crypto_init( unsigned int private_key_len, const char *crypto_cipher_type, const char *crypto_hash_type, - const char *crypto_compat_type, void (*log_printf_func) ( int level, int subsys, @@ -942,7 +800,6 @@ struct crypto_instance *crypto_init( instance->crypto_cipher_type = string_to_crypto_cipher_type(crypto_cipher_type); instance->crypto_hash_type = string_to_crypto_hash_type(crypto_hash_type); - instance->crypto_compat_type = string_to_crypto_compat_type(crypto_compat_type); instance->crypto_header_size = crypto_sec_header_size(crypto_cipher_type, crypto_hash_type); @@ -952,7 +809,7 @@ struct crypto_instance *crypto_init( instance->log_level_error = log_level_error; instance->log_subsys_id = log_subsys_id; - if (init_nss(instance, crypto_cipher_type, crypto_hash_type, crypto_compat_type) < 0) { + if (init_nss(instance, crypto_cipher_type, crypto_hash_type) < 0) { free(instance); return(NULL); } diff --git a/exec/totemcrypto.h b/exec/totemcrypto.h index 4577050..7c06c39 100644 --- a/exec/totemcrypto.h +++ b/exec/totemcrypto.h @@ -61,7 +61,6 @@ extern struct crypto_instance *crypto_init( unsigned int private_key_len, const char *crypto_cipher_type, const char *crypto_hash_type, - const char *crypto_compat_type, void (*log_printf_func) ( int level, int subsys, diff --git a/exec/totemudp.c b/exec/totemudp.c index 5208961..a5169c2 100644 --- a/exec/totemudp.c +++ b/exec/totemudp.c @@ -1148,7 +1148,6 @@ int totemudp_initialize ( totem_config->private_key_len, totem_config->crypto_cipher_type, totem_config->crypto_hash_type, - totem_config->crypto_compat_type, instance->totemudp_log_printf, instance->totemudp_log_level_security, instance->totemudp_log_level_notice, diff --git a/exec/totemudpu.c b/exec/totemudpu.c index 14163c5..12ec63c 100644 --- a/exec/totemudpu.c +++ b/exec/totemudpu.c @@ -779,7 +779,6 @@ int totemudpu_initialize ( totem_config->private_key_len, totem_config->crypto_cipher_type, totem_config->crypto_hash_type, - totem_config->crypto_compat_type, instance->totemudpu_log_printf, instance->totemudpu_log_level_security, instance->totemudpu_log_level_notice, diff --git a/include/corosync/totem/totem.h b/include/corosync/totem/totem.h index 7ef8652..72a3e1a 100644 --- a/include/corosync/totem/totem.h +++ b/include/corosync/totem/totem.h @@ -176,8 +176,6 @@ struct totem_config { char *crypto_hash_type; - char *crypto_compat_type; - totem_transport_t transport_number; unsigned int miss_count_const; diff --git a/man/corosync.conf.5 b/man/corosync.conf.5 index 43a339b..becbf86 100644 --- a/man/corosync.conf.5 +++ b/man/corosync.conf.5 @@ -181,19 +181,6 @@ Valid values are none (no encryption), aes256, aes192, aes128 and 3des. The default is aes256. .TP -crypto_compat -This specifies which crypto protocol version should be used to encrypt all messages. -Valid values are 2.0 and 2.2. - -The default is always is the higher supported version. - -This value should only be used when performing rolling upgrades from older -versions of corosync to newer ones. It cannot be changed at runtime. - -Once the upgrade is completed, the cluster should be temporary halted to -switch to the latest version of the protocol. - -.TP secauth This specifies that HMAC/SHA1 authentication should be used to authenticate all messages. It further specifies that all data should be encrypted with the -- 1.7.7.6 _______________________________________________ discuss mailing list discuss@xxxxxxxxxxxx http://lists.corosync.org/mailman/listinfo/discuss