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r11799@Kushana: nickm | 2007-01-02 16:38:34 -0500

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Simplify and remove most of dirserv_orconn_tls_cone 


svn:r9243
This commit is contained in:
Nick Mathewson 2007-01-02 21:47:21 +00:00
parent 5ed4cc2355
commit cbdd21cbf5
2 changed files with 12 additions and 36 deletions
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2
ChangeLog
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@ -129,6 +129,8 @@ Changes in version 0.1.2.5-xxxx - 200?-??-??
our nameservers have failed. (Bug #326.)
- When we only have one nameserver, raise the threshold for deciding that
the nameserver is dead. (Also bug #326)
- Directory authorities now only decide that routers are reachable
if their identity keys are as expected.
o Controller features:
- Have GETINFO dir/status/* work on hosts with DirPort disabled.

46
src/or/dirserv.c
View File

@ -1811,9 +1811,7 @@ dirserv_get_routerdescs(smartlist_t *descs_out, const char *key,
/** Called when a TLS handshake has completed successfully with a
* router listening at <b>address</b>:<b>or_port</b>, and has yielded
* a certificate with digest <b>digest_rcvd</b> and nickname
* <b>nickname_rcvd</b>. When this happens, it's clear that any other
* descriptors for that address/port combination must be unusable:
* delete them if they are not valid.
* <b>nickname_rcvd</b>.
*
* Also, if as_advertised is 1, then inform the reachability checker
* that we could get to this guy.
@ -1825,49 +1823,25 @@ dirserv_orconn_tls_done(const char *address,
const char *nickname_rcvd,
int as_advertised)
{
int i;
routerlist_t *rl = router_get_routerlist();
tor_assert(address);
tor_assert(digest_rcvd);
tor_assert(nickname_rcvd);
(void) as_advertised; // XXXX012 This should really be implemented. -NM
// XXXXNM We should really have a better solution here than dropping
// XXXXNM whole routers; otherwise, they come back way too easily.
for (i = 0; i < smartlist_len(rl->routers); ++i) {
routerinfo_t *ri = smartlist_get(rl->routers, i);
int drop = 0;
if (strcasecmp(address, ri->address) || or_port != ri->or_port)
continue;
/* XXX012 For 0.1.2.x, we should do something smarter here than !is_valid.
*/
if (!ri->is_valid) {
/* We have a router at the same address! */
if (strcasecmp(ri->nickname, nickname_rcvd)) {
log_notice(LD_DIRSERV,
"Dropping old invalid descriptor: nickname '%s' does "
"not match nickname '%s' in new cert from %s:%d",
ri->nickname, nickname_rcvd, address, or_port);
drop = 1;
} else if (memcmp(ri->cache_info.identity_digest, digest_rcvd,
DIGEST_LEN)) {
log_notice(LD_DIRSERV,
"Dropping old invalid descriptor for nickname '%s': "
"identity key does not match key in new cert from %s:%d",
ri->nickname, address, or_port);
drop = 1;
}
}
if (drop) {
routerlist_remove(rl, ri, i--, 0);
directory_set_dirty();
} else { /* correct nickname and digest. mark this router reachable! */
SMARTLIST_FOREACH(rl->routers, routerinfo_t *, ri, {
if (!strcasecmp(address, ri->address) && or_port == ri->or_port &&
!memcmp(ri->cache_info.identity_digest, digest_rcvd, DIGEST_LEN) &&
as_advertised) {
/* correct nickname and digest. mark this router reachable! */
log_info(LD_DIRSERV, "Found router %s to be reachable. Yay.",
ri->nickname);
ri->last_reachable = time(NULL);
ri->num_unreachable_notifications = 0;
}
}
});
/* FFFF Maybe we should reinstate the code that dumps routers with the same
* addr/port but with nonmatching keys, but instead of dumping, we should
* skip testing. */
}
/** Auth dir server only: if <b>try_all</b> is 1, launch connections to