diff options
Diffstat (limited to 'src/or/config.c')
| -rw-r--r-- | src/or/config.c | 36 |
1 files changed, 19 insertions, 17 deletions
diff --git a/src/or/config.c b/src/or/config.c index b8685193a..eb67bf301 100644 --- a/src/or/config.c +++ b/src/or/config.c @@ -304,7 +304,6 @@ static config_var_t _state_vars[] = { VAR("EntryGuardDownSince", LINELIST_S, EntryGuards, NULL), VAR("EntryGuardUnlistedSince", LINELIST_S, EntryGuards, NULL), VAR("EntryGuards", LINELIST_V, EntryGuards, NULL), - VAR("GuardVersion", UINT, GuardVersion, "0"), VAR("BWHistoryReadEnds", ISOTIME, BWHistoryReadEnds, NULL), VAR("BWHistoryReadInterval", UINT, BWHistoryReadInterval, "900"), @@ -531,7 +530,6 @@ static config_var_description_t state_description[] = { "The last entry guard has been unreachable since this time." }, { "EntryGuardUnlistedSince", "The last entry guard has been unusable since this time." }, - { "GuardVersion", "Which algorithm did we use to pick these guards?" }, { "LastRotatedOnionKey", "The last time at which we changed the medium-term private key used for " @@ -4336,12 +4334,6 @@ get_or_state_fname(void) return fname; } -/** What's the newest known version for our guard-picking algorithm? - * If the version in the state file is older than this (or if there is - * no version listed in the state file), we want to ignore the guards - * in the state file and pick new ones. */ -#define RECOMMENDED_GUARD_VERSION 1 - /** Return 0 if every setting in <b>state</b> is reasonable, and a * permissible transition from <b>old_state</b>. Else warn and return -1. * Should have no side effects, except for normalizing the contents of @@ -4357,15 +4349,26 @@ or_state_validate(or_state_t *old_state, or_state_t *state, (void) from_setconf; (void) old_state; - if (state->EntryGuards && state->GuardVersion < RECOMMENDED_GUARD_VERSION) { - config_free_lines(state->EntryGuards); - state->EntryGuards = NULL; - log_notice(LD_CONFIG, "Detected state file from old version '%s'. " - "Choosing new entry guards for you.", - state->TorVersion ? state->TorVersion : "unknown"); - state->GuardVersion = RECOMMENDED_GUARD_VERSION; - } else if (entry_guards_parse_state(state, 0, msg)<0) { + if (entry_guards_parse_state(state, 0, msg)<0) return -1; + + if (state->EntryGuards && state->TorVersion) { + tor_version_t v; + if (tor_version_parse(state->TorVersion, &v)) { + log_warn(LD_GENERAL, "Can't parse Tor version '%s' from your state " + "file. Proceeding anyway.", state->TorVersion); + } else { /* take action based on v */ + if ((tor_version_as_new_as(state->TorVersion, "0.1.1.10-alpha") && + !tor_version_as_new_as(state->TorVersion, "0.1.2.16-dev")) + || (tor_version_as_new_as(state->TorVersion, "0.2.0.0-alpha") && + !tor_version_as_new_as(state->TorVersion, "0.2.0.6-alpha"))) { + log_notice(LD_CONFIG, "Detected state file from old version '%s'. " + "Choosing new entry guards for you.", + state->TorVersion); + config_free_lines(state->EntryGuards); + state->EntryGuards = NULL; + } + } } return 0; } @@ -4524,7 +4527,6 @@ or_state_save(time_t now) len = strlen(get_version())+8; global_state->TorVersion = tor_malloc(len); tor_snprintf(global_state->TorVersion, len, "Tor %s", get_version()); - global_state->GuardVersion = RECOMMENDED_GUARD_VERSION; state = config_dump(&state_format, global_state, 1, 0); len = strlen(state)+256; |