[tor-commits] [tor/maint-0.3.3] control: Make HSPOST properly parse HSADDRESS= param

[nickm@xxxxxxxxxxxxxx]

commit 3f8a12a63a5a1d8b4d40451586377423c95bda09
Author: David Goulet <dgoulet@xxxxxxxxxxxxxx>
Date:   Wed Jun 27 12:20:39 2018 -0400

    control: Make HSPOST properly parse HSADDRESS= param
    
    For HSv3, the HSADDRESS= wasn't properly parsed for the HSPOST command. It now
    correctly use it and furthermore sends back a "200 OK" in case the command is
    successful for a v3 descriptor.
    
    Fixes #26523
    
    Signed-off-by: David Goulet <dgoulet@xxxxxxxxxxxxxx>
---
 changes/bug26523 |  5 +++++
 src/or/control.c | 13 +++++++++----
 2 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/changes/bug26523 b/changes/bug26523
new file mode 100644
index 000000000..a739d240e
--- /dev/null
+++ b/changes/bug26523
@@ -0,0 +1,5 @@
+  o Minor bugfixes (hidden service, control port):
+    - The HSPOST command wasn't parsing properly the HSADDRESS= parameter and
+      thus not using it. It now handles it correctly. Fixes bug 26523; bugfix on
+      0.3.3.1-alpha. Patch by "akwizgran".
+
diff --git a/src/or/control.c b/src/or/control.c
index 028339f49..06360586e 100644
--- a/src/or/control.c
+++ b/src/or/control.c
@@ -4342,8 +4342,10 @@ handle_control_hspost(control_connection_t *conn,
 
   smartlist_t *args = smartlist_new();
 
-  /* If any SERVER= options were specified, try parse the options line */
-  if (!strcasecmpstart(argline, opt_server)) {
+  /* If any SERVER= or HSADDRESS= options were specified, try to parse
+   * the options line. */
+  if (!strcasecmpstart(argline, opt_server) ||
+      !strcasecmpstart(argline, opt_hsaddress)) {
     /* encoded_desc begins after a newline character */
     cp = cp + 1;
     encoded_desc = cp;
@@ -4366,11 +4368,12 @@ handle_control_hspost(control_connection_t *conn,
           hs_dirs = smartlist_new();
         smartlist_add(hs_dirs, node->rs);
       } else if (!strcasecmpstart(arg, opt_hsaddress)) {
-        if (!hs_address_is_valid(arg)) {
+        const char *address = arg + strlen(opt_hsaddress);
+        if (!hs_address_is_valid(address)) {
           connection_printf_to_buf(conn, "512 Malformed onion address\r\n");
           goto done;
         }
-        onion_address = arg;
+        onion_address = address;
       } else {
         connection_printf_to_buf(conn, "512 Unexpected argument \"%s\"\r\n",
                                  arg);
@@ -4385,6 +4388,8 @@ handle_control_hspost(control_connection_t *conn,
     read_escaped_data(encoded_desc, encoded_desc_len, &desc_str);
     if (hs_control_hspost_command(desc_str, onion_address, hs_dirs) < 0) {
       connection_printf_to_buf(conn, "554 Invalid descriptor\r\n");
+    } else {
+      send_control_done(conn);
     }
     tor_free(desc_str);
     goto done;



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