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@ -4,14 +4,14 @@ Date: Wed, 29 Mar 2017 21:56:41 -0400
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Subject: [PATCH] lighttpd tpm support
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---
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src/base.h | 24 ++++++++++++
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src/configfile.c | 6 ++-
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src/mod_openssl.c | 113 +++++++++++++++++++++++++++++++++++++++++++++---------
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src/server.c | 17 +++++++-
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4 files changed, 139 insertions(+), 21 deletions(-)
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src/base.h | 24 ++++++++++
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src/configfile.c | 4 ++
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src/mod_openssl.c | 116 +++++++++++++++++++++++++++++++++++++---------
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src/server.c | 17 ++++++-
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4 files changed, 139 insertions(+), 22 deletions(-)
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diff --git a/src/base.h b/src/base.h
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index 2fe60b6..bddcd01 100644
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index f21973b..f7b5777 100644
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--- a/src/base.h
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+++ b/src/base.h
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@@ -15,6 +15,21 @@
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@ -36,63 +36,60 @@ index 2fe60b6..bddcd01 100644
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struct fdevents; /* declaration */
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struct stat_cache; /* declaration */
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@@ -344,6 +359,13 @@ typedef struct {
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@@ -342,6 +357,14 @@ typedef struct {
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unsigned short high_precision_timestamps;
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time_t loadts;
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double loadavg[3];
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+#ifdef USE_OPENSSL
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+ // TPM engine and object configuration
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+ buffer *tpm_object;
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+ buffer *tpm_engine;
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+ ENGINE *tpm_engine_ref;
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+ EVP_PKEY *tpm_key;
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+ // TPM engine and object configuration
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+ buffer *tpm_object;
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+ buffer *tpm_engine;
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+ ENGINE *tpm_engine_ref;
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+ EVP_PKEY *tpm_key;
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+#endif
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+
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buffer *syslog_facility;
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unsigned short compat_module_load;
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@@ -386,6 +408,8 @@ struct server {
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@@ -380,6 +403,7 @@ struct server {
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int con_written;
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int con_closed;
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+ int tpm_is_init; // has TPM been initialized already
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+
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+ int tpm_is_init; // has TPM been initialized already
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int max_fds; /* max possible fds */
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int cur_fds; /* currently used fds */
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int want_fds; /* waiting fds */
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int max_fds_lowat;/* low watermark */
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int max_fds_hiwat;/* high watermark */
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diff --git a/src/configfile.c b/src/configfile.c
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index c3b0f16..dca2a29 100644
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index b870b59..5b91b35 100644
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--- a/src/configfile.c
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+++ b/src/configfile.c
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@@ -277,8 +277,10 @@ static int config_insert(server *srv) {
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{ "server.syslog-facility", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_SERVER }, /* 80 */
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@@ -282,6 +282,8 @@ static int config_insert(server *srv) {
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{ "server.socket-perms", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_CONNECTION }, /* 81 */
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{ "server.http-parseopts", NULL, T_CONFIG_ARRAY, T_CONFIG_SCOPE_SERVER }, /* 82 */
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+ { "server.tpm-object", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_SERVER }, /* 83 */
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+ { "server.tpm-engine", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_SERVER }, /* 84 */
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{ "server.systemd-socket-activation", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_SERVER }, /* 83 */
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+ { "server.tpm-object", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_SERVER }, /* 84 */
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+ { "server.tpm-engine", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_SERVER }, /* 85 */
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- { NULL, NULL, T_CONFIG_UNSET, T_CONFIG_SCOPE_UNSET }
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+ { NULL, NULL, T_CONFIG_UNSET, T_CONFIG_SCOPE_UNSET }
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{ NULL, NULL, T_CONFIG_UNSET, T_CONFIG_SCOPE_UNSET }
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};
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/* all T_CONFIG_SCOPE_SERVER options */
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@@ -321,6 +323,8 @@ static int config_insert(server *srv) {
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cv[80].destination = srv->srvconf.syslog_facility;
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@@ -327,6 +329,8 @@ static int config_insert(server *srv) {
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http_parseopts = array_init();
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cv[82].destination = http_parseopts;
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+ cv[83].destination = srv->srvconf.tpm_object;
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+ cv[84].destination = srv->srvconf.tpm_engine;
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cv[83].destination = &(srv->srvconf.systemd_socket_activation);
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+ cv[84].destination = srv->srvconf.tpm_object;
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+ cv[85].destination = srv->srvconf.tpm_engine;
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srv->config_storage = calloc(1, srv->config_context->used * sizeof(specific_config *));
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diff --git a/src/mod_openssl.c b/src/mod_openssl.c
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index 75e0873..4cb0335 100644
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index f9a4fe8..e38605c 100644
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--- a/src/mod_openssl.c
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+++ b/src/mod_openssl.c
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@@ -451,6 +451,29 @@ error:
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@@ -488,6 +488,29 @@ error:
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return NULL;
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}
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+static EVP_PKEY*
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+static EVP_PKEY*
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+evp_pkey_load_tpm_object_file(server *srv) {
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+ if (!srv->tpm_is_init || !srv->srvconf.tpm_engine_ref)
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+ return NULL;
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@ -118,40 +115,43 @@ index 75e0873..4cb0335 100644
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static EVP_PKEY *
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evp_pkey_load_pem_file (server *srv, const char *file)
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@@ -505,15 +528,23 @@ network_openssl_load_pemfile (server *srv, plugin_config *s, size_t ndx)
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@@ -542,17 +565,24 @@ network_openssl_load_pemfile (server *srv, plugin_config *s, size_t ndx)
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s->ssl_pemfile_x509 = x509_load_pem_file(srv, s->ssl_pemfile->ptr);
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if (NULL == s->ssl_pemfile_x509) return -1;
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- s->ssl_pemfile_pkey = evp_pkey_load_pem_file(srv, s->ssl_pemfile->ptr);
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- s->ssl_pemfile_pkey = !buffer_string_is_empty(s->ssl_privkey)
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- ? evp_pkey_load_pem_file(srv, s->ssl_privkey->ptr)
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- : evp_pkey_load_pem_file(srv, s->ssl_pemfile->ptr);
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- if (NULL == s->ssl_pemfile_pkey) return -1;
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-
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- if (!X509_check_private_key(s->ssl_pemfile_x509, s->ssl_pemfile_pkey)) {
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- log_error_write(srv, __FILE__, __LINE__, "sssb", "SSL:",
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- log_error_write(srv, __FILE__, __LINE__, "sssbb", "SSL:",
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- "Private key does not match the certificate public key,"
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- " reason:", ERR_error_string(ERR_get_error(), NULL),
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- s->ssl_pemfile);
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- s->ssl_pemfile, s->ssl_privkey);
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- return -1;
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+
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+ // if TPM mode is enabled then load the TPM key otherwise load
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+ // the regular SSL private key
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+ // If TPM mode is enabled thenload the TPM key, otherwise load
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+ // the regular SSL private key.
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+ if (srv->tpm_is_init) {
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+ if (NULL == (s->ssl_pemfile_pkey = evp_pkey_load_tpm_object_file(srv))) return -1;
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+ }
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+ else {
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+ if (NULL == (s->ssl_pemfile_pkey = evp_pkey_load_pem_file(srv, s->ssl_pemfile->ptr))) return -1;
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+ s->ssl_pemfile_pkey = evp_pkey_load_tpm_object_file(srv);
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+ if (NULL == s->ssl_pemfile_pkey) return -1;
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+ } else {
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+ s->ssl_pemfile_pkey = !buffer_string_is_empty(s->ssl_privkey)
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+ ? evp_pkey_load_pem_file(srv, s->ssl_privkey->ptr)
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+ : evp_pkey_load_pem_file(srv, s->ssl_pemfile->ptr);
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+ if (NULL == s->ssl_pemfile_pkey) return -1;
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+
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+ if (!X509_check_private_key(s->ssl_pemfile_x509, s->ssl_pemfile_pkey)) {
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+ log_error_write(srv, __FILE__, __LINE__, "sssb", "SSL:",
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+ "Private key does not match the certificate public key, reason:",
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+ ERR_error_string(ERR_get_error(), NULL),
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+ s->ssl_pemfile);
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+ log_error_write(srv, __FILE__, __LINE__, "sssbb", "SSL:",
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+ "Private key does not match the certificate public key,"
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+ " reason:", ERR_error_string(ERR_get_error(), NULL),
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+ s->ssl_pemfile, s->ssl_privkey);
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+ return -1;
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+ }
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+
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}
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return 0;
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@@ -680,6 +711,43 @@ network_init_ssl (server *srv, void *p_d)
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@@ -878,6 +908,43 @@ network_init_ssl (server *srv, void *p_d)
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force_assert(NULL != local_send_buffer);
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}
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@ -167,8 +167,8 @@ index 75e0873..4cb0335 100644
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+ ENGINE *engine = ENGINE_by_id("dynamic");
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+ if (!engine) {
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+ log_error_write(srv, __FILE__, __LINE__, "ss", "SSL:",
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+ "Unable to load the dynamic engine "
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+ "(needed for loading custom TPM engine)");
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+ "Unable to load the dynamic engine "
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+ "(needed for loading custom TPM engine)");
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+ return -1;
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+ }
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+
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@ -177,7 +177,7 @@ index 75e0873..4cb0335 100644
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+ ENGINE_ctrl_cmd_string(engine, "LOAD", NULL, 0);
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+ if (ENGINE_init(engine) != 1) {
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+ log_error_write(srv, __FILE__, __LINE__, "ssb", "SSL:",
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+ ERR_error_string(ERR_get_error(), NULL));
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+ ERR_error_string(ERR_get_error(), NULL));
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+ ENGINE_finish(engine);
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+ return -1;
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+ }
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@ -187,7 +187,7 @@ index 75e0873..4cb0335 100644
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+ }
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+ else { // no TPM engine found
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+ log_error_write(srv, __FILE__, __LINE__, "ss", "SSL:",
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+ "TPM engine option not set when TPM mode expected");
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+ "TPM engine option not set when TPM mode expected");
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+ return -1;
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+ }
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+ }
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@ -195,7 +195,7 @@ index 75e0873..4cb0335 100644
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if (!buffer_string_is_empty(s->ssl_pemfile)) {
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#ifdef OPENSSL_NO_TLSEXT
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data_config *dc = (data_config *)srv->config_context->data[i];
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@@ -949,29 +1017,36 @@ network_init_ssl (server *srv, void *p_d)
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@@ -1147,28 +1214,35 @@ network_init_ssl (server *srv, void *p_d)
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}
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}
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@ -210,64 +210,63 @@ index 75e0873..4cb0335 100644
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- if (1 != SSL_CTX_use_PrivateKey(s->ssl_ctx, s->ssl_pemfile_pkey)) {
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+ if (1 != SSL_CTX_use_certificate(s->ssl_ctx, s->ssl_pemfile_x509)) {
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log_error_write(srv, __FILE__, __LINE__, "ssb", "SSL:",
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log_error_write(srv, __FILE__, __LINE__, "ssbb", "SSL:",
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ERR_error_string(ERR_get_error(), NULL),
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s->ssl_pemfile);
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s->ssl_pemfile, s->ssl_privkey);
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return -1;
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}
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- if (SSL_CTX_check_private_key(s->ssl_ctx) != 1) {
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- log_error_write(srv, __FILE__, __LINE__, "sssb", "SSL:",
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- log_error_write(srv, __FILE__, __LINE__, "sssbb", "SSL:",
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- "Private key does not match the certificate public "
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- "key, reason:",
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- ERR_error_string(ERR_get_error(), NULL),
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- s->ssl_pemfile);
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- s->ssl_pemfile, s->ssl_privkey);
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- return -1;
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+ /*
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+ * Only check private key against loaded
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+ * certificate, in non TPM mode, since
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+ * if this is a TPM key then it is wrapped
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+ * and will not match the public key
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+ */
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+ * Only check private key against loaded
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+ * certificate, in non TPM mode, since
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+ * if this is a TPM key then it is wrapped
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+ * and will not match the public key.
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+ */
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+ if (!srv->tpm_is_init) {
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+ if (SSL_CTX_check_private_key(s->ssl_ctx) != 1) {
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+ log_error_write(srv, __FILE__, __LINE__, "sssb", "SSL:",
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+ "Private key does not match the certificate public key, reason:",
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+ ERR_error_string(ERR_get_error(), NULL),
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+ s->ssl_pemfile);
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+ return -1;
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+ }
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+ if (SSL_CTX_check_private_key(s->ssl_ctx) != 1) {
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+ log_error_write(srv, __FILE__, __LINE__, "sssbb", "SSL:",
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+ "Private key does not match the certificate public "
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+ "key, reason:",
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+ ERR_error_string(ERR_get_error(), NULL),
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+ s->ssl_pemfile, s->ssl_privkey);
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+ return -1;
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+ }
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}
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+
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SSL_CTX_set_default_read_ahead(s->ssl_ctx, s->ssl_read_ahead);
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SSL_CTX_set_mode(s->ssl_ctx, SSL_CTX_get_mode(s->ssl_ctx)
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| SSL_MODE_ENABLE_PARTIAL_WRITE
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diff --git a/src/server.c b/src/server.c
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index f6409bb..2ace3f8 100644
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index b7086b0..b90ce61 100644
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--- a/src/server.c
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+++ b/src/server.c
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@@ -247,6 +247,11 @@ static server *server_init(void) {
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@@ -248,6 +248,11 @@ static server *server_init(void) {
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CLEAN(srvconf.pid_file);
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CLEAN(srvconf.syslog_facility);
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+#ifdef USE_OPENSSL
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+ CLEAN(srvconf.tpm_object);
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+ CLEAN(srvconf.tpm_engine);
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+ CLEAN(srvconf.tpm_object);
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+ CLEAN(srvconf.tpm_engine);
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+#endif
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+
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CLEAN(tmp_chunk_len);
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#undef CLEAN
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@@ -349,6 +354,14 @@ static void server_free(server *srv) {
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@@ -344,6 +349,14 @@ static void server_free(server *srv) {
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CLEAN(srvconf.xattr_name);
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CLEAN(srvconf.syslog_facility);
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+#ifdef USE_OPENSSL
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+ CLEAN(srvconf.tpm_object);
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+ CLEAN(srvconf.tpm_engine);
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+ // don't free the tpm_key as that will be freed
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+ // below as ssl_pemfile_pkey
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+ ENGINE_finish(srv->srvconf.tpm_engine_ref);
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+ CLEAN(srvconf.tpm_object);
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+ CLEAN(srvconf.tpm_engine);
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|
+ // don't free the tpm_key as that will be freed
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|
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|
+ // below as ssl_pemfile_pkey
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|
+ ENGINE_finish(srv->srvconf.tpm_engine_ref);
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+#endif
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+
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|
CLEAN(tmp_chunk_len);
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|
@ -278,12 +277,12 @@ index f6409bb..2ace3f8 100644
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|
log_error_write(srv, __FILE__, __LINE__, "ss",
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|
|
|
|
"opening /dev/null failed:", strerror(errno));
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|
|
- return -1;
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|
|
+ /* In version 1.4.45 it will also failed here but not check return value of openDevNull(STDERR_FILENO)
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|
|
+ need further check with upstream to see if there is a potential bug */
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|
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|
|
+ /* In version 1.4.45 it will also failed here but not check return value of openDevNull(STDERR_FILENO)
|
|
|
|
|
+ need further check with upstream to see if there is a potential bug */
|
|
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|
|
+ //return -1;
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|
|
}
|
|
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|
|
}
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|
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|
else {
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|
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--
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2.7.4
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2.21.0
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