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SUSE:SLE-12:Update
openwsman
0002-New-option-ssl_disabled_protocols.patch
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File 0002-New-option-ssl_disabled_protocols.patch of Package openwsman
From e70dd2e4433bad3ae113641b0ebc3d4c365a90ff Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Klaus=20K=C3=A4mpf?= <kkaempf@suse.de> Date: Mon, 20 Oct 2014 09:58:55 +0200 Subject: [PATCH 2/6] New option: ssl_disabled_protocols make SSL_CTX_ctrl available Honor ssl_disable_protocols config option This patch adds a new option "ssl_disabled_protocols =" to the openwsman.conf file to selectively disable SSL protocols. This matches the openssl semantics and was choosen for simplicity. --- etc/openwsman.conf | 4 ++++ src/server/shttpd/config.c | 34 ++++++++++++++++++++++++++++++++++ src/server/shttpd/io_ssl.c | 1 + src/server/shttpd/ssl.h | 2 ++ src/server/wsmand-daemon.c | 7 +++++++ src/server/wsmand-daemon.h | 1 + 6 files changed, 49 insertions(+) diff --git a/etc/openwsman.conf b/etc/openwsman.conf index 8aa9084e835f..27adb6b0f756 100644 --- a/etc/openwsman.conf +++ b/etc/openwsman.conf @@ -35,6 +35,10 @@ ssl_cert_file = /etc/openwsman/servercert.pem # the openwsman server private key, in .pem format ssl_key_file = /etc/openwsman/serverkey.pem +# space-separated list of SSL protocols to *dis*able +# possible values: SSLv2 SSLv3 TLSv1 TLSv1_1 TLSv1_2 +ssl_disabled_protocols = SSLv2 SSLv3 + # set these to enable digest authentication against a local datbase #digest_password_file = /etc/openwsman/digest_auth.passwd diff --git a/src/server/shttpd/config.c b/src/server/shttpd/config.c index 340dc63ac2ee..67b904d0521a 100644 --- a/src/server/shttpd/config.c +++ b/src/server/shttpd/config.c @@ -87,6 +87,7 @@ set_ssl(struct shttpd_ctx *ctx, void *arg, const char *pem) SSL_CTX *CTX; void *lib; struct ssl_func *fp; + char *ssl_disabled_protocols = wsmand_options_get_ssl_disabled_protocols(); arg = NULL; /* Unused */ @@ -125,6 +126,39 @@ set_ssl(struct shttpd_ctx *ctx, void *arg, const char *pem) SSL_CTX_free(CTX); CTX = NULL; } + while (ssl_disabled_protocols) { + struct ctx_opts_t { + char *name; + long opt; + } protocols[] = { + { "SSLv2", SSL_OP_NO_SSLv2 }, + { "SSLv3", SSL_OP_NO_SSLv3 }, + { "TLSv1", SSL_OP_NO_TLSv1 }, +# if OPENSSL_VERSION_NUMBER >= 0x10001000L + { "TLSv1_1", SSL_OP_NO_TLSv1_1 }, + { "TLSv1_2", SSL_OP_NO_TLSv1_2 }, +# endif + { NULL, 0 } + }; + char *blank_ptr; + int idx; + if (*ssl_disabled_protocols == 0) + break; + blank_ptr = strchr(ssl_disabled_protocols, ' '); + if (blank_ptr == NULL) + blank_ptr = ssl_disabled_protocols + strlen(ssl_disabled_protocols); + for (idx = 0; protocols[idx].name ; ++idx) { + if (strncasecmp(protocols[idx].name, ssl_disabled_protocols, blank_ptr-ssl_disabled_protocols) == 0) { + debug("SSL: disable %s protocol", protocols[idx].name); + SSL_CTX_ctrl(CTX, SSL_CTRL_OPTIONS, protocols[idx].opt, NULL); + break; + } + } + if (*blank_ptr == 0) + break; + ssl_disabled_protocols = blank_ptr + 1; + } + ctx->ssl_ctx = CTX; } #endif /* NO_SSL */ diff --git a/src/server/shttpd/io_ssl.c b/src/server/shttpd/io_ssl.c index 39359d68c8ab..293d0b5cb113 100644 --- a/src/server/shttpd/io_ssl.c +++ b/src/server/shttpd/io_ssl.c @@ -28,6 +28,7 @@ struct ssl_func ssl_sw[] = { {"SSL_CTX_free", {0}}, {"SSL_pending", {0}}, {"SSL_CTX_use_certificate_chain_file",{0}}, + {"SSL_CTX_ctrl", {0}}, {NULL, {0}} }; diff --git a/src/server/shttpd/ssl.h b/src/server/shttpd/ssl.h index 0a167b518380..d045b6e75bb6 100644 --- a/src/server/shttpd/ssl.h +++ b/src/server/shttpd/ssl.h @@ -63,3 +63,5 @@ extern struct ssl_func ssl_sw[]; const char *)) FUNC(15))((x), (y)) #define SSL_CTX_free(x) (*(void (*)(SSL_CTX *)) FUNC(13))(x) #define SSL_pending(x) (*(int (*)(SSL *)) FUNC(14))(x) +#define SSL_CTX_ctrl(w,x,y,z) (*(long (*)(SSL_CTX *,int,long,void *)) FUNC(16))((w),(x),(y),(z)) + diff --git a/src/server/wsmand-daemon.c b/src/server/wsmand-daemon.c index b02f11ad76ed..a17c83a6fea3 100644 --- a/src/server/wsmand-daemon.c +++ b/src/server/wsmand-daemon.c @@ -78,6 +78,7 @@ static int use_digest = 0; static char *ssl_key_file = NULL; static char *service_path = DEFAULT_SERVICE_PATH; static char *ssl_cert_file = NULL; +static char *ssl_disabled_protocols = NULL; static char *pid_file = DEFAULT_PID_PATH; static char *uri_subscription_repository = DEFAULT_SUBSCRIPTION_REPOSITORY; static int daemon_flag = 0; @@ -177,6 +178,7 @@ int wsmand_read_config(dictionary * ini) iniparser_getstring(ini, "server:service_path", "/wsman"); ssl_key_file = iniparser_getstr(ini, "server:ssl_key_file"); ssl_cert_file = iniparser_getstr(ini, "server:ssl_cert_file"); + ssl_disabled_protocols = iniparser_getstr(ini, "server:ssl_disabled_protocols"); use_ipv4 = iniparser_getboolean(ini, "server:ipv4", 1); #ifdef ENABLE_IPV6 use_ipv6 = iniparser_getboolean(ini, "server:ipv6", 1); @@ -343,6 +345,11 @@ char *wsmand_options_get_ssl_cert_file(void) return ssl_cert_file; } +char *wsmand_options_get_ssl_disabled_protocols(void) +{ + return ssl_disabled_protocols; +} + int wsmand_options_get_digest(void) { return use_digest; diff --git a/src/server/wsmand-daemon.h b/src/server/wsmand-daemon.h index e2d9ea6bb191..3bd6a9da34d3 100644 --- a/src/server/wsmand-daemon.h +++ b/src/server/wsmand-daemon.h @@ -76,6 +76,7 @@ int wsmand_options_get_server_port(void); int wsmand_options_get_server_ssl_port(void); char *wsmand_options_get_ssl_key_file(void); char *wsmand_options_get_ssl_cert_file(void); +char *wsmand_options_get_ssl_disabled_protocols(void); int wsmand_options_get_digest(void); char *wsmand_options_get_digest_password_file(void); char *wsmand_options_get_basic_password_file(void); -- 2.1.4
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