[tor-commits] [tor/master] Remove duplicate code that checks for default authorities

[nickm@xxxxxxxxxxxxxx]

commit 1fc3e291083493bd7517901f467a7341d5c6f650
Author: Nick Mathewson <nickm@xxxxxxxxxxxxxx>
Date:   Thu Oct 13 09:16:40 2016 -0400

    Remove duplicate code that checks for default authorities
    
    Patch from ericho.
    
    Fixes 18529. Simple refactoring.
---
 src/or/config.c |  2 +-
 src/or/config.h | 10 ++++++++++
 src/or/router.c |  3 +--
 3 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/src/or/config.c b/src/or/config.c
index 93e753b..bef81ab 100644
--- a/src/or/config.c
+++ b/src/or/config.c
@@ -2471,7 +2471,7 @@ resolve_my_address(int warn_severity, const or_options_t *options,
   addr_string = tor_dup_ip(addr);
   if (tor_addr_is_internal(&myaddr, 0)) {
     /* make sure we're ok with publishing an internal IP */
-    if (!options->DirAuthorities && !options->AlternateDirAuthority) {
+    if (is_default_dir_authorities(options)) {
       /* if they are using the default authorities, disallow internal IPs
        * always. */
       log_fn(warn_severity, LD_CONFIG,
diff --git a/src/or/config.h b/src/or/config.h
index 208659a..1b40efc 100644
--- a/src/or/config.h
+++ b/src/or/config.h
@@ -76,6 +76,8 @@ MOCK_DECL(char *,
 #define get_datadir_fname_suffix(sub1, suffix) \
   get_datadir_fname2_suffix((sub1), NULL, (suffix))
 
+inline int is_default_dir_authorities(const or_options_t *options);
+
 int check_or_create_data_subdir(const char *subdir);
 int write_to_data_subdir(const char* subdir, const char* fname,
                          const char* str, const char* descr);
@@ -147,6 +149,14 @@ smartlist_t *get_options_from_transport_options_line(const char *line,
                                                      const char *transport);
 smartlist_t *get_options_for_server_transport(const char *transport);
 
+/* Check if we are using default authorities */
+inline int
+is_default_dir_authorities(const or_options_t *options)
+{
+  return (!options->DirAuthorities &&
+          !options->AlternateDirAuthority) ? 1 : 0;
+}
+
 #ifdef CONFIG_PRIVATE
 
 #define CL_PORT_NO_STREAM_OPTIONS (1u<<0)
diff --git a/src/or/router.c b/src/or/router.c
index b93b7c1..287bc16 100644
--- a/src/or/router.c
+++ b/src/or/router.c
@@ -2093,8 +2093,7 @@ router_build_fresh_descriptor(routerinfo_t **r, extrainfo_t **e)
           tor_addr_family(&p->addr) == AF_INET6) {
         /* Like IPv4, if the relay is configured using the default
          * authorities, disallow internal IPs. Otherwise, allow them. */
-        const int default_auth = (!options->DirAuthorities &&
-                                  !options->AlternateDirAuthority);
+        const int default_auth = is_default_dir_authorities(options);
         if (! tor_addr_is_internal(&p->addr, 0) || ! default_auth) {
           ipv6_orport = p;
           break;



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