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[tor-commits] [tor/master] Remove options for configuring HS authorities.



commit c0483c7f851b2aa1933fb591eb0ca8f66b162022
Author: Nick Mathewson <nickm@xxxxxxxxxxxxxx>
Date:   Mon Feb 10 22:41:52 2014 -0500

    Remove options for configuring HS authorities.
    
    (There is no longer meaningfully any such thing as a HS authority,
    since we stopped uploading or downloading v0 hs descriptors in
    0.2.2.1-alpha.)
    
    Implements #10881, and part of #10841.
---
 changes/bug10881   |    7 +++++++
 doc/tor.1.txt      |   18 ++++--------------
 src/or/config.c    |   40 +++++++++++-----------------------------
 src/or/directory.c |   44 --------------------------------------------
 src/or/or.h        |    5 -----
 src/or/router.c    |    3 +--
 6 files changed, 23 insertions(+), 94 deletions(-)

diff --git a/changes/bug10881 b/changes/bug10881
new file mode 100644
index 0000000..3fcc90e
--- /dev/null
+++ b/changes/bug10881
@@ -0,0 +1,7 @@
+  o Removed code:
+
+    - Remove code for designating authorities as "Hidden service
+      authorities". There has been no use of hidden service authorities
+      since 0.2.2.1-alpha, when we stopped uploading or downloading v0
+      hidden service descriptors. Fixes bug 10881; part of a fix for bug
+      10841.
diff --git a/doc/tor.1.txt b/doc/tor.1.txt
index ee1e086..e66fad2 100644
--- a/doc/tor.1.txt
+++ b/doc/tor.1.txt
@@ -334,9 +334,7 @@ GENERAL OPTIONS
     is. By default, every authority is authoritative for current ("v2")-style
     directories, unless the "no-v2" flag is given. If the "v1" flags is
     provided, Tor will use this server as an authority for old-style (v1)
-    directories as well. (Only directory mirrors care about this.) Tor will
-    use this server as an authority for hidden service information if the "hs"
-    flag is set, or if the "v1" flag is set and the "no-hs" flag is **not** set.
+    directories as well. (Only directory mirrors care about this.)
     Tor will use this authority as a bridge authoritative directory if the
     "bridge" flag is set. If a flag "orport=**port**" is given, Tor will use the
     given port when opening encrypted tunnels to the dirserver. If a flag
@@ -365,17 +363,14 @@ GENERAL OPTIONS
 
 [[AlternateDirAuthority]] **AlternateDirAuthority** [__nickname__] [**flags**] __address__:__port__ __fingerprint__ +
 
-[[AlternateHSAuthority]] **AlternateHSAuthority** [__nickname__] [**flags**] __address__:__port__ __fingerprint__ +
-
 [[AlternateBridgeAuthority]] **AlternateBridgeAuthority** [__nickname__] [**flags**] __address__:__port__ __ fingerprint__::
     These options behave as DirAuthority, but they replace fewer of the
     default directory authorities. Using
     AlternateDirAuthority replaces the default Tor directory authorities, but
-    leaves the default hidden service authorities and bridge authorities in
-    place.  Similarly, AlternateHSAuthority replaces the default hidden
-    service authorities, but not the directory or bridge authorities; and
+    leaves the default bridge authorities in
+    place.  Similarly,
     AlternateBridgeAuthority replaces the default bridge authority,
-    but leaves the directory and hidden service authorities alone.
+    but leaves the directory authorities alone.
 
 [[DisableAllSwap]] **DisableAllSwap** **0**|**1**::
     If set to 1, Tor will attempt to lock all current and future memory pages,
@@ -1794,11 +1789,6 @@ if DirPort is non-zero):
     accept or publish descriptors that contradict a registered binding. See
     **approved-routers** in the **FILES** section below.
 
-[[HSAuthoritativeDir]] **HSAuthoritativeDir** **0**|**1**::
-    When this option is set in addition to **AuthoritativeDirectory**, Tor also
-    accepts and serves v0 hidden service descriptors,
-    which are produced and used by Tor 0.2.1.x and older. (Default: 0)
-
 [[HidServDirectoryV2]] **HidServDirectoryV2** **0**|**1**::
     When this option is set, Tor accepts and serves v2 hidden service
     descriptors. Setting DirPort is not required for this, because clients
diff --git a/src/or/config.c b/src/or/config.c
index e7847d5..d298177 100644
--- a/src/or/config.c
+++ b/src/or/config.c
@@ -137,7 +137,7 @@ static config_var_t option_vars_[] = {
   V(AllowSingleHopExits,         BOOL,     "0"),
   V(AlternateBridgeAuthority,    LINELIST, NULL),
   V(AlternateDirAuthority,       LINELIST, NULL),
-  V(AlternateHSAuthority,        LINELIST, NULL),
+  OBSOLETE("AlternateHSAuthority"),
   V(AssumeReachable,             BOOL,     "0"),
   V(AuthDirBadDir,               LINELIST, NULL),
   V(AuthDirBadDirCCs,            CSV,      ""),
@@ -276,7 +276,7 @@ static config_var_t option_vars_[] = {
   VAR("HiddenServiceVersion",LINELIST_S, RendConfigLines,    NULL),
   VAR("HiddenServiceAuthorizeClient",LINELIST_S,RendConfigLines, NULL),
   V(HidServAuth,                 LINELIST, NULL),
-  V(HSAuthoritativeDir,          BOOL,     "0"),
+  OBSOLETE("HSAuthoritativeDir"),
   OBSOLETE("HSAuthorityRecordStats"),
   V(CloseHSClientCircuitsImmediatelyOnTimeout, BOOL, "0"),
   V(CloseHSServiceRendCircuitsImmediatelyOnTimeout, BOOL, "0"),
@@ -904,8 +904,7 @@ validate_dir_servers(or_options_t *options, or_options_t *old_options)
   config_line_t *cl;
 
   if (options->DirAuthorities &&
-      (options->AlternateDirAuthority || options->AlternateBridgeAuthority ||
-       options->AlternateHSAuthority)) {
+      (options->AlternateDirAuthority || options->AlternateBridgeAuthority)) {
     log_warn(LD_CONFIG,
              "You cannot set both DirAuthority and Alternate*Authority.");
     return -1;
@@ -941,9 +940,6 @@ validate_dir_servers(or_options_t *options, or_options_t *old_options)
   for (cl = options->AlternateDirAuthority; cl; cl = cl->next)
     if (parse_dir_authority_line(cl->value, NO_DIRINFO, 1)<0)
       return -1;
-  for (cl = options->AlternateHSAuthority; cl; cl = cl->next)
-    if (parse_dir_authority_line(cl->value, NO_DIRINFO, 1)<0)
-      return -1;
   for (cl = options->FallbackDir; cl; cl = cl->next)
     if (parse_dir_fallback_line(cl->value, 1)<0)
       return -1;
@@ -966,9 +962,7 @@ consider_adding_dir_servers(const or_options_t *options,
     !config_lines_eq(options->AlternateBridgeAuthority,
                      old_options->AlternateBridgeAuthority) ||
     !config_lines_eq(options->AlternateDirAuthority,
-                     old_options->AlternateDirAuthority) ||
-    !config_lines_eq(options->AlternateHSAuthority,
-                     old_options->AlternateHSAuthority);
+                     old_options->AlternateDirAuthority);
 
   if (!need_to_update)
     return 0; /* all done */
@@ -984,8 +978,6 @@ consider_adding_dir_servers(const or_options_t *options,
     if (!options->AlternateDirAuthority)
       type |= V1_DIRINFO | V3_DIRINFO | EXTRAINFO_DIRINFO |
         MICRODESC_DIRINFO;
-    if (!options->AlternateHSAuthority)
-      type |= HIDSERV_DIRINFO;
     add_default_trusted_dir_authorities(type);
   }
   if (!options->FallbackDir)
@@ -1000,9 +992,6 @@ consider_adding_dir_servers(const or_options_t *options,
   for (cl = options->AlternateDirAuthority; cl; cl = cl->next)
     if (parse_dir_authority_line(cl->value, NO_DIRINFO, 0)<0)
       return -1;
-  for (cl = options->AlternateHSAuthority; cl; cl = cl->next)
-    if (parse_dir_authority_line(cl->value, NO_DIRINFO, 0)<0)
-      return -1;
   for (cl = options->FallbackDir; cl; cl = cl->next)
     if (parse_dir_fallback_line(cl->value, 0)<0)
       return -1;
@@ -2605,11 +2594,11 @@ options_validate(or_options_t *old_options, or_options_t *options,
                "extra-info documents. Setting DownloadExtraInfo.");
       options->DownloadExtraInfo = 1;
     }
-    if (!(options->BridgeAuthoritativeDir || options->HSAuthoritativeDir ||
+    if (!(options->BridgeAuthoritativeDir ||
           options->V1AuthoritativeDir ||
           options->V3AuthoritativeDir))
       REJECT("AuthoritativeDir is set, but none of "
-             "(Bridge/HS/V1/V3)AuthoritativeDir is set.");
+             "(Bridge/V1/V3)AuthoritativeDir is set.");
     /* If we have a v3bandwidthsfile and it's broken, complain on startup */
     if (options->V3BandwidthsFile && !old_options) {
       dirserv_read_measured_bandwidths(options->V3BandwidthsFile, NULL);
@@ -2629,10 +2618,6 @@ options_validate(or_options_t *old_options, or_options_t *options,
     REJECT("FetchDirInfoExtraEarly requires that you also set "
            "FetchDirInfoEarly");
 
-  if (options->HSAuthoritativeDir && proxy_mode(options))
-    REJECT("Running as authoritative v0 HS directory, but also configured "
-           "as a client.");
-
   if (options->ConnLimit <= 0) {
     tor_asprintf(msg,
         "ConnLimit must be greater than 0, but was set to %d",
@@ -5031,7 +5016,6 @@ parse_dir_authority_line(const char *line, dirinfo_type_t required_type,
   char digest[DIGEST_LEN];
   char v3_digest[DIGEST_LEN];
   dirinfo_type_t type = 0;
-  int is_not_hidserv_authority = 0;
   double weight = 1.0;
 
   items = smartlist_new();
@@ -5052,11 +5036,11 @@ parse_dir_authority_line(const char *line, dirinfo_type_t required_type,
     if (TOR_ISDIGIT(flag[0]))
       break;
     if (!strcasecmp(flag, "v1")) {
-      type |= (V1_DIRINFO | HIDSERV_DIRINFO);
-    } else if (!strcasecmp(flag, "hs")) {
-      type |= HIDSERV_DIRINFO;
-    } else if (!strcasecmp(flag, "no-hs")) {
-      is_not_hidserv_authority = 1;
+      type |= V1_DIRINFO;
+    } else if (!strcasecmp(flag, "hs") ||
+               !strcasecmp(flag, "no-hs")) {
+      log_warn(LD_CONFIG, "The DirAuthority options 'hs' and 'no-hs' are "
+               "obsolete; you don't need them any more.");
     } else if (!strcasecmp(flag, "bridge")) {
       type |= BRIDGE_DIRINFO;
     } else if (!strcasecmp(flag, "no-v2")) {
@@ -5093,8 +5077,6 @@ parse_dir_authority_line(const char *line, dirinfo_type_t required_type,
     tor_free(flag);
     smartlist_del_keeporder(items, 0);
   }
-  if (is_not_hidserv_authority)
-    type &= ~HIDSERV_DIRINFO;
 
   if (smartlist_len(items) < 2) {
     log_warn(LD_CONFIG, "Too few arguments to DirAuthority line.");
diff --git a/src/or/directory.c b/src/or/directory.c
index ec1e776..c86f87e 100644
--- a/src/or/directory.c
+++ b/src/or/directory.c
@@ -155,8 +155,6 @@ authdir_type_to_string(dirinfo_type_t auth)
     smartlist_add(lst, (void*)"V3");
   if (auth & BRIDGE_DIRINFO)
     smartlist_add(lst, (void*)"Bridge");
-  if (auth & HIDSERV_DIRINFO)
-    smartlist_add(lst, (void*)"Hidden service");
   if (smartlist_len(lst)) {
     result = smartlist_join_strings(lst, ", ", 0, NULL);
   } else {
@@ -3172,32 +3170,6 @@ directory_handle_command_get(dir_connection_t *conn, const char *headers,
     goto done;
   }
 
-  if (options->HSAuthoritativeDir && !strcmpstart(url,"/tor/rendezvous/")) {
-    /* rendezvous descriptor fetch */
-    const char *descp;
-    size_t desc_len;
-    const char *query = url+strlen("/tor/rendezvous/");
-
-    log_info(LD_REND, "Handling rendezvous descriptor get");
-    switch (rend_cache_lookup_desc(query, 0, &descp, &desc_len)) {
-      case 1: /* valid */
-        write_http_response_header_impl(conn, desc_len,
-                                        "application/octet-stream",
-                                        NULL, NULL, 0);
-        note_request("/tor/rendezvous?/", desc_len);
-        /* need to send descp separately, because it may include NULs */
-        connection_write_to_buf(descp, desc_len, TO_CONN(conn));
-        break;
-      case 0: /* well-formed but not present */
-        write_http_status_line(conn, 404, "Not found");
-        break;
-      case -1: /* not well-formed */
-        write_http_status_line(conn, 400, "Bad request");
-        break;
-    }
-    goto done;
-  }
-
   if (options->BridgeAuthoritativeDir &&
       options->BridgePassword_AuthDigest_ &&
       connection_dir_is_encrypted(conn) &&
@@ -3397,22 +3369,6 @@ directory_handle_command_post(dir_connection_t *conn, const char *headers,
     goto done;
   }
 
-  if (options->HSAuthoritativeDir &&
-      !strcmpstart(url,"/tor/rendezvous/publish")) {
-    /* rendezvous descriptor post */
-    log_info(LD_REND, "Handling rendezvous descriptor post.");
-    if (rend_cache_store(body, body_len, 1, NULL) < 0) {
-      log_fn(LOG_PROTOCOL_WARN, LD_DIRSERV,
-             "Rejected rend descriptor (length %d) from %s.",
-             (int)body_len, conn->base_.address);
-      write_http_status_line(conn, 400,
-                             "Invalid v0 service descriptor rejected");
-    } else {
-      write_http_status_line(conn, 200, "Service descriptor (v0) stored");
-    }
-    goto done;
-  }
-
   if (authdir_mode_v3(options) &&
       !strcmp(url,"/tor/post/vote")) { /* v3 networkstatus vote */
     const char *msg = "OK";
diff --git a/src/or/or.h b/src/or/or.h
index b63b1ff..5d19587 100644
--- a/src/or/or.h
+++ b/src/or/or.h
@@ -3542,8 +3542,6 @@ typedef struct {
                            * for version 1 directories? */
   int V3AuthoritativeDir; /**< Boolean: is this an authoritative directory
                            * for version 3 directories? */
-  int HSAuthoritativeDir; /**< Boolean: does this an authoritative directory
-                           * handle hidden service requests? */
   int NamingAuthoritativeDir; /**< Boolean: is this an authoritative directory
                                * that's willing to bind names? */
   int VersioningAuthoritativeDir; /**< Boolean: is this an authoritative
@@ -3747,9 +3745,6 @@ typedef struct {
   /** If set, use these bridge authorities and not the default one. */
   config_line_t *AlternateBridgeAuthority;
 
-  /** If set, use these HS authorities and not the default ones. */
-  config_line_t *AlternateHSAuthority;
-
   char *MyFamily; /**< Declared family for this OR. */
   config_line_t *NodeFamilies; /**< List of config lines for
                                 * node families */
diff --git a/src/or/router.c b/src/or/router.c
index fd0df52..b964283 100644
--- a/src/or/router.c
+++ b/src/or/router.c
@@ -935,8 +935,7 @@ init_keys(void)
   type = ((options->V1AuthoritativeDir ? V1_DIRINFO : NO_DIRINFO) |
           (options->V3AuthoritativeDir ?
                (V3_DIRINFO|MICRODESC_DIRINFO|EXTRAINFO_DIRINFO) : NO_DIRINFO) |
-          (options->BridgeAuthoritativeDir ? BRIDGE_DIRINFO : NO_DIRINFO) |
-          (options->HSAuthoritativeDir ? HIDSERV_DIRINFO : NO_DIRINFO));
+          (options->BridgeAuthoritativeDir ? BRIDGE_DIRINFO : NO_DIRINFO));
 
   ds = router_get_trusteddirserver_by_digest(digest);
   if (!ds) {



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