network/transmission: Updated for version 2.93.

Signed-off-by: B. Watson <yalhcru@gmail.com>

3 files changed, 10 insertions, 309 deletions

diff --git a/network/transmission/transmission-fix-dns-rebinding-vuln.diff b/network/transmission/transmission-fix-dns-rebinding-vuln.diff
deleted file mode 100644
index a3a0cf1608..0000000000
--- a/network/transmission/transmission-fix-dns-rebinding-vuln.diff
+++ /dev/null
@@ -1,302 +0,0 @@
-Fix a weakness that allows remote code execution via the Transmission
-RPC server using DNS rebinding:
-
-https://bugs.chromium.org/p/project-zero/issues/detail?id=1447
-
-Patch adapted from Tavis Ormandy's patch on the Transmission master
-branch to the Transmission 2.92 release by Leo Famulari
-<leo@famulari.name>:
-
-https://github.com/transmission/transmission/pull/468/commits
-
-From fe2d3c6e75088f3d9b6040ce06da3d530358bc2f Mon Sep 17 00:00:00 2001
-From: Tavis Ormandy <taviso@google.com>
-Date: Thu, 11 Jan 2018 10:00:41 -0800
-Subject: [PATCH] mitigate dns rebinding attacks against daemon
-
----
- libtransmission/quark.c        |   2 + 
- libtransmission/quark.h        |   2 + 
- libtransmission/rpc-server.c   | 116 +++++++++++++++++++++++++++++++++++++----
- libtransmission/rpc-server.h   |   4 ++
- libtransmission/session.c      |   2 + 
- libtransmission/transmission.h |   1 + 
- libtransmission/web.c          |   3 ++
- 7 files changed, 121 insertions(+), 9 deletions(-)
-
-diff --git a/libtransmission/quark.c b/libtransmission/quark.c
-index 30cc2bca4..b4fd7aabd 100644
---- a/libtransmission/quark.c
-+++ b/libtransmission/quark.c
-@@ -289,6 +289,8 @@ static const struct tr_key_struct my_static[] =
-   { "rpc-authentication-required", 27 },
-   { "rpc-bind-address", 16 },
-   { "rpc-enabled", 11 },
-+  { "rpc-host-whitelist", 18 },
-+  { "rpc-host-whitelist-enabled", 26 },
-   { "rpc-password", 12 },
-   { "rpc-port", 8 },
-   { "rpc-url", 7 },
-diff --git a/libtransmission/quark.h b/libtransmission/quark.h
-index 7f5212733..17464be8f 100644
---- a/libtransmission/quark.h
-+++ b/libtransmission/quark.h
-@@ -291,6 +291,8 @@ enum
-   TR_KEY_rpc_authentication_required,
-   TR_KEY_rpc_bind_address,
-   TR_KEY_rpc_enabled,
-+  TR_KEY_rpc_host_whitelist,
-+  TR_KEY_rpc_host_whitelist_enabled,
-   TR_KEY_rpc_password,
-   TR_KEY_rpc_port,
-   TR_KEY_rpc_url,
-diff --git a/libtransmission/rpc-server.c b/libtransmission/rpc-server.c
-index a3485f3fa..292cd5fce 100644
---- a/libtransmission/rpc-server.c
-+++ b/libtransmission/rpc-server.c
-@@ -52,6 +52,7 @@ struct tr_rpc_server
-     bool               isEnabled;
-     bool               isPasswordEnabled;
-     bool               isWhitelistEnabled;
-+    bool               isHostWhitelistEnabled;
-     tr_port            port;
-     char             * url;
-     struct in_addr     bindAddress;
-@@ -63,6 +64,7 @@ struct tr_rpc_server
-     char             * password;
-     char             * whitelistStr;
-     tr_list          * whitelist;
-+    tr_list          * hostWhitelist;
- 
-     char             * sessionId;
-     time_t             sessionIdExpiresAt;
-@@ -588,6 +590,49 @@ isAddressAllowed (const tr_rpc_server * server, const char * address)
-   return false;
- }
- 
-+static bool isHostnameAllowed(tr_rpc_server const* server, struct evhttp_request* req)
-+{
-+    /* If password auth is enabled, any hostname is permitted. */
-+    if (server->isPasswordEnabled)
-+    {
-+        return true;
-+    }
-+
-+    char const* const host = evhttp_find_header(req->input_headers, "Host");
-+
-+    // If whitelist is disabled, no restrictions.
-+    if (!server->isHostWhitelistEnabled)
-+        return true;
-+
-+    /* No host header, invalid request. */
-+    if (host == NULL)
-+    {
-+        return false;
-+    }
-+
-+    /* Host header might include the port. */
-+    char* const hostname = tr_strndup(host, strcspn(host, ":"));
-+
-+    /* localhost or ipaddress is always acceptable. */
-+    if (strcmp(hostname, "localhost") == 0 || strcmp(hostname, "localhost.") == 0 || tr_addressIsIP(hostname))
-+    {
-+        tr_free(hostname);
-+        return true;
-+    }
-+
-+    /* Otherwise, hostname must be whitelisted. */
-+    for (tr_list* l = server->hostWhitelist; l != NULL; l = l->next) {
-+        if (tr_wildmat(hostname, l->data))
-+        {
-+            tr_free(hostname);
-+            return true;
-+        }
-+    }
-+
-+    tr_free(hostname);
-+    return false;
-+}
-+
- static bool
- test_session_id (struct tr_rpc_server * server, struct evhttp_request * req)
- {
-@@ -663,6 +708,23 @@ handle_request (struct evhttp_request * req, void * arg)
-           handle_upload (req, server);
-         }
- #ifdef REQUIRE_SESSION_ID
-+        else if (!isHostnameAllowed(server, req))
-+        {
-+            char* tmp = tr_strdup_printf(
-+                "<p>Transmission received your request, but the hostname was unrecognized.</p>"
-+                "<p>To fix this, choose one of the following options:"
-+                "<ul>"
-+                "<li>Enable password authentication, then any hostname is allowed.</li>"
-+                "<li>Add the hostname you want to use to the whitelist in settings.</li>"
-+                "</ul></p>"
-+                "<p>If you're editing settings.json, see the 'rpc-host-whitelist' and 'rpc-host-whitelist-enabled' entries.</p>"
-+                "<p>This requirement has been added to help prevent "
-+                "<a href=\"https://en.wikipedia.org/wiki/DNS_rebinding\">DNS Rebinding</a> "
-+                "attacks.</p>");
-+            send_simple_response(req, 421, tmp);
-+            tr_free(tmp);
-+        }
-+
-       else if (!test_session_id (server, req))
-         {
-           const char * sessionId = get_current_session_id (server);
-@@ -674,7 +736,7 @@ handle_request (struct evhttp_request * req, void * arg)
-             "<li> When you get this 409 error message, resend your request with the updated header"
-             "</ol></p>"
-             "<p>This requirement has been added to help prevent "
--            "<a href=\"http://en.wikipedia.org/wiki/Cross-site_request_forgery\">CSRF</a> "
-+            "<a href=\"https://en.wikipedia.org/wiki/Cross-site_request_forgery\">CSRF</a> "
-             "attacks.</p>"
-             "<p><code>%s: %s</code></p>",
-             TR_RPC_SESSION_ID_HEADER, sessionId);
-@@ -875,19 +937,14 @@ tr_rpcGetUrl (const tr_rpc_server * server)
-   return server->url ? server->url : "";
- }
- 
--void
--tr_rpcSetWhitelist (tr_rpc_server * server, const char * whitelistStr)
-+static void
-+tr_rpcSetList (char const* whitelistStr, tr_list** list)
- {
-   void * tmp;
-   const char * walk;
- 
--  /* keep the string */
--  tmp = server->whitelistStr;
--  server->whitelistStr = tr_strdup (whitelistStr);
--  tr_free (tmp);
--
-   /* clear out the old whitelist entries */
--  while ((tmp = tr_list_pop_front (&server->whitelist)))
-+  while ((tmp = tr_list_pop_front (list)) != NULL)
-     tr_free (tmp);
- 
-   /* build the new whitelist entries */
-@@ -896,7 +953,7 @@ tr_rpcSetWhitelist (tr_rpc_server * server, const char * whitelistStr)
-       const char * delimiters = " ,;";
-       const size_t len = strcspn (walk, delimiters);
-       char * token = tr_strndup (walk, len);
--      tr_list_append (&server->whitelist, token);
-+      tr_list_append (list, token);
-       if (strcspn (token, "+-") < len)
-         tr_logAddNamedInfo (MY_NAME, "Adding address to whitelist: %s (And it has a '+' or '-'!  Are you using an old ACL by mistake?)", token);
-       else
-@@ -909,6 +966,21 @@ tr_rpcSetWhitelist (tr_rpc_server * server, const char * whitelistStr)
-     }
- }
- 
-+void tr_rpcSetHostWhitelist(tr_rpc_server* server, char const* whitelistStr)
-+{
-+    tr_rpcSetList(whitelistStr, &server->hostWhitelist);
-+}
-+
-+void tr_rpcSetWhitelist(tr_rpc_server* server, char const* whitelistStr)
-+{
-+    /* keep the string */
-+    char* const tmp = server->whitelistStr;
-+    server->whitelistStr = tr_strdup(whitelistStr);
-+    tr_free(tmp);
-+
-+    tr_rpcSetList(whitelistStr, &server->whitelist);
-+}
-+
- const char*
- tr_rpcGetWhitelist (const tr_rpc_server * server)
- {
-@@ -930,6 +1002,11 @@ tr_rpcGetWhitelistEnabled (const tr_rpc_server * server)
-   return server->isWhitelistEnabled;
- }
- 
-+void tr_rpcSetHostWhitelistEnabled(tr_rpc_server* server, bool isEnabled)
-+{
-+    server->isHostWhitelistEnabled = isEnabled;
-+}
-+
- /****
- *****  PASSWORD
- ****/
-@@ -1063,6 +1140,28 @@ tr_rpcInit (tr_session  * session, tr_variant * settings)
-   else
-     tr_rpcSetWhitelistEnabled (s, boolVal);
- 
-+  key = TR_KEY_rpc_host_whitelist_enabled;
-+
-+  if (!tr_variantDictFindBool(settings, key, &boolVal))
-+  {
-+      missing_settings_key(key);
-+  }
-+  else
-+  {
-+      tr_rpcSetHostWhitelistEnabled(s, boolVal);
-+  }
-+
-+  key = TR_KEY_rpc_host_whitelist;
-+
-+  if (!tr_variantDictFindStr(settings, key, &str, NULL) && str != NULL)
-+  {
-+      missing_settings_key(key);
-+  }
-+  else
-+  {
-+      tr_rpcSetHostWhitelist(s, str);
-+  }
-+
-   key = TR_KEY_rpc_authentication_required;
-   if (!tr_variantDictFindBool (settings, key, &boolVal))
-     missing_settings_key (key);
-diff --git a/libtransmission/rpc-server.h b/libtransmission/rpc-server.h
-index e0302c5ea..8c9e6b24e 100644
---- a/libtransmission/rpc-server.h
-+++ b/libtransmission/rpc-server.h
-@@ -49,6 +49,10 @@ void            tr_rpcSetWhitelist (tr_rpc_server * server,
- 
- const char*     tr_rpcGetWhitelist (const tr_rpc_server * server);
- 
-+void tr_rpcSetHostWhitelistEnabled(tr_rpc_server* server, bool isEnabled);
-+
-+void tr_rpcSetHostWhitelist(tr_rpc_server* server, char const* whitelist);
-+
- void            tr_rpcSetPassword (tr_rpc_server * server,
-                                    const char *    password);
- 
-diff --git a/libtransmission/session.c b/libtransmission/session.c
-index 844cadba8..58b717913 100644
---- a/libtransmission/session.c
-+++ b/libtransmission/session.c
-@@ -359,6 +359,8 @@ tr_sessionGetDefaultSettings (tr_variant * d)
-   tr_variantDictAddStr  (d, TR_KEY_rpc_username,                    "");
-   tr_variantDictAddStr  (d, TR_KEY_rpc_whitelist,                   TR_DEFAULT_RPC_WHITELIST);
-   tr_variantDictAddBool (d, TR_KEY_rpc_whitelist_enabled,           true);
-+  tr_variantDictAddStr(d, TR_KEY_rpc_host_whitelist, TR_DEFAULT_RPC_HOST_WHITELIST);
-+  tr_variantDictAddBool(d, TR_KEY_rpc_host_whitelist_enabled, true);
-   tr_variantDictAddInt  (d, TR_KEY_rpc_port,                        atoi (TR_DEFAULT_RPC_PORT_STR));
-   tr_variantDictAddStr  (d, TR_KEY_rpc_url,                         TR_DEFAULT_RPC_URL_STR);
-   tr_variantDictAddBool (d, TR_KEY_scrape_paused_torrents_enabled,  true);
-diff --git a/libtransmission/transmission.h b/libtransmission/transmission.h
-index 4f76adfd6..e213a8f4e 100644
---- a/libtransmission/transmission.h
-+++ b/libtransmission/transmission.h
-@@ -123,6 +123,7 @@ const char* tr_getDefaultDownloadDir (void);
- #define TR_DEFAULT_BIND_ADDRESS_IPV4        "0.0.0.0"
- #define TR_DEFAULT_BIND_ADDRESS_IPV6             "::"
- #define TR_DEFAULT_RPC_WHITELIST          "127.0.0.1"
-+#define TR_DEFAULT_RPC_HOST_WHITELIST              ""
- #define TR_DEFAULT_RPC_PORT_STR                "9091"
- #define TR_DEFAULT_RPC_URL_STR       "/transmission/"
- #define TR_DEFAULT_PEER_PORT_STR              "51413"
-diff --git a/libtransmission/web.c b/libtransmission/web.c
-index ee495e9fc..c7f062730 100644
---- a/libtransmission/web.c
-+++ b/libtransmission/web.c
-@@ -594,6 +594,7 @@ tr_webGetResponseStr (long code)
-       case 415: return "Unsupported Media Type";
-       case 416: return "Requested Range Not Satisfiable";
-       case 417: return "Expectation Failed";
-+      case 421: return "Misdirected Request";
-       case 500: return "Internal Server Error";
-       case 501: return "Not Implemented";
-       case 502: return "Bad Gateway";
diff --git a/network/transmission/transmission.SlackBuild b/network/transmission/transmission.SlackBuild
index bec348a173..e5760ebff5 100644
--- a/network/transmission/transmission.SlackBuild
+++ b/network/transmission/transmission.SlackBuild
@@ -24,7 +24,9 @@
 # OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-# 20180116 bkw: security fix, BUILD=2. See"
+# 20180207 bkw: update for v2.93
+
+# 20180116 bkw: security fix, BUILD=2. See:
 #               https://github.com/transmission/transmission/pull/468
 #               Thanks to Freenode user lord_ for pointing this out.
 
@@ -36,8 +38,8 @@
 # But disabling them all is no good.
 
 PRGNAM=transmission
-VERSION=${VERSION:-2.92}
-BUILD=${BUILD:-2}
+VERSION=${VERSION:-2.93}
+BUILD=${BUILD:-1}
 TAG=${TAG:-_SBo}
 
 if [ -z "$ARCH" ]; then
@@ -105,7 +107,8 @@ find -L . \
 
 # Fix CVE-2018-5702 for transmission-2.92. Patch came from:
 # https://github.com/transmission/transmission/files/1624507/transmission-fix-dns-rebinding-vuln.patch.txt
-patch -p1 < $CWD/transmission-fix-dns-rebinding-vuln.diff
+#patch -p1 < $CWD/transmission-fix-dns-rebinding-vuln.diff
+# Not needed for >= 2.93
 
 sed -i -e 's%-g -O3 -funroll-loops %%g' configure.ac
 sed -i -e 's%-ggdb3 %%g' configure.ac
diff --git a/network/transmission/transmission.info b/network/transmission/transmission.info
index 2437928949..871d9577c0 100644
--- a/network/transmission/transmission.info
+++ b/network/transmission/transmission.info
@@ -1,8 +1,8 @@
 PRGNAM="transmission"
-VERSION="2.92"
+VERSION="2.93"
 HOMEPAGE="http://www.transmissionbt.com/"
-DOWNLOAD="https://transmission.cachefly.net/transmission-2.92.tar.xz"
-MD5SUM="3fce404a436e3cd7fde80fb6ed61c264"
+DOWNLOAD="https://github.com/transmission/transmission-releases/raw/master/transmission-2.93.tar.xz"
+MD5SUM="a1b8113ebc3402787312ecb443d9d3c1"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
 REQUIRES=""