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r13314@catbus: nickm | 2007-06-08 14:30:31 -0400

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Enfore that known_flags in networkstatus votes must be unique.


svn:r10534
This commit is contained in:
Nick Mathewson 2007-06-08 18:41:12 +00:00
parent 7a6f3cd223
commit 171969656c
2 changed files with 14 additions and 5 deletions
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2
src/or/dirvote.c
View File

@ -450,8 +450,6 @@ networkstatus_compute_consensus(smartlist_t *votes,
++n_flag_voters[p];
if (!strcmp(fl, "Named"))
named_flag[v_sl_idx] = fl_sl_idx;
/* XXXX020 somebody needs to make sure that there are no duplicate
* entries in anybody's flag list. */
});
n_voter_flags[v_sl_idx] = smartlist_len(v->known_flags);
size[v_sl_idx] = smartlist_len(v->routerstatus_list);

17
src/or/routerparse.c
View File

@ -1505,7 +1505,10 @@ routerstatus_parse_entry_from_string(const char **s, smartlist_t *tokens,
int p = smartlist_string_pos(vote->known_flags, tok->args[i]);
if (p >= 0) {
vote_rs->flags |= (1<<p);
break;
} else {
log_warn(LD_DIR, "Flags line had a flag %s not listed in known_flags.",
escaped(tok->args[i]));
goto err;
}
}
} else if (tok) {
@ -1768,7 +1771,7 @@ networkstatus_parse_vote_from_string(const char *s, int is_vote)
directory_token_t *tok;
int ok;
struct in_addr in;
int i;
int i, inorder;
if (router_get_networkstatus_v3_hash(s, ns_digest)) {
log_warn(LD_DIR, "Unable to compute digest of network-status");
@ -1853,9 +1856,17 @@ networkstatus_parse_vote_from_string(const char *s, int is_vote)
tok = find_first_by_keyword(tokens, K_KNOWN_FLAGS);
ns->known_flags = smartlist_create();
for (i = 0; i < tok->n_args; ++i)
inorder = 1;
for (i = 0; i < tok->n_args; ++i) {
smartlist_add(ns->known_flags, tok->args[i]);
if (i>0 && strcmp(tok->args[i-1], tok->args[i])>= 0)
inorder = 0;
}
tok->n_args = 0; /* suppress free of args members, but not of args itself. */
if (!inorder) {
log_warn(LD_DIR, "known-flags not in order");
goto err;
}
ns->voters = smartlist_create();