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Obsolete GiveGuardFlagTo_CVE_2011_2768_VulnerableRelays

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Closes ticket 4572.
This commit is contained in:
Nick Mathewson 2012-04-11 10:59:11 -04:00
parent ab338e3bb8
commit 77e51224fa
5 changed files with 8 additions and 12 deletions
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6
changes/bug4572 Normal file
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@ -0,0 +1,6 @@
o Removed features
- Remove the GiveGuardFlagTo_CVE_2011_2768_VulnerableRelays option;
authorities needed to use it for a while to keep the network working
as people upgraded to 0.2.1.31, 0.2.2.34, or 0.2.3.6-alpha, but that
was six months ago. As of now, it should no longer be needed or used.

4
doc/tor.1.txt
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@ -1610,10 +1610,6 @@ DIRECTORY AUTHORITY SERVER OPTIONS
votes on whether to accept relays as hidden service directories.
(Default: 1)
GiveGuardFlagTo_CVE_2011_2768_VulnerableRelays **0**|**1**::
When this option is set to 0, do not vote to give the Guard flag to any
version of Tor vulnerable to CVE-2011-2769. (Default: 0)
HIDDEN SERVICE OPTIONS
----------------------

3
src/or/config.c
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@ -295,8 +295,7 @@ static config_var_t _option_vars[] = {
V(GeoIPFile, FILENAME,
SHARE_DATADIR PATH_SEPARATOR "tor" PATH_SEPARATOR "geoip"),
#endif
V(GiveGuardFlagTo_CVE_2011_2768_VulnerableRelays,
BOOL, "0"),
OBSOLETE("GiveGuardFlagTo_CVE_2011_2768_VulnerableRelays"),
OBSOLETE("Group"),
V(HardwareAccel, BOOL, "0"),
V(HeartbeatPeriod, INTERVAL, "6 hours"),

3
src/or/dirserv.c
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@ -2417,8 +2417,7 @@ set_routerstatus_from_routerinfo(routerstatus_t *rs,
routerbw >= options->AuthDirGuardBWGuarantee) ||
routerbw >= MIN(guard_bandwidth_including_exits,
guard_bandwidth_excluding_exits)) &&
(options->GiveGuardFlagTo_CVE_2011_2768_VulnerableRelays ||
is_router_version_good_for_possible_guard(ri->platform))) {
(is_router_version_good_for_possible_guard(ri->platform))) {
long tk = rep_hist_get_weighted_time_known(
node->identity, now);
double wfu = rep_hist_get_weighted_fractional_uptime(

4
src/or/or.h
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@ -3270,10 +3270,6 @@ typedef struct {
* number of servers per IP address shared
* with an authority. */
/** Should we assign the Guard flag to relays which would allow
* exploitation of CVE-2011-2768 against their clients? */
int GiveGuardFlagTo_CVE_2011_2768_VulnerableRelays;
/** If non-zero, always vote the Fast flag for any relay advertising
* this amount of capacity or more. */
uint64_t AuthDirFastGuarantee;