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r15593@catbus: nickm | 2007-10-09 15:31:10 -0400

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Fix an infinite loop when parsing multiple votes.


svn:r11813
This commit is contained in:
Nick Mathewson 2007-10-09 19:31:14 +00:00
parent a2005cd2c1
commit 0827d6f217
1 changed files with 12 additions and 4 deletions
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16
src/or/dirvote.c
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@ -1359,6 +1359,8 @@ dirvote_add_vote(const char *vote_body, const char **msg_out, int *status_out)
again:
vote = networkstatus_parse_vote_from_string(vote_body, &end_of_vote, 1);
if (!end_of_vote)
end_of_vote = vote_body + strlen(vote_body);
if (!vote) {
log_warn(LD_DIR, "Couldn't parse vote: length was %d",
(int)strlen(vote_body));
@ -1424,7 +1426,8 @@ dirvote_add_vote(const char *vote_body, const char **msg_out, int *status_out)
"directory.");
cached_dir_decref(v->vote_body);
networkstatus_vote_free(v->vote);
v->vote_body = new_cached_dir(tor_strdup(vote_body),
v->vote_body = new_cached_dir(tor_strndup(vote_body,
end_of_vote-vote_body),
vote->published);
v->vote = vote;
if (end_of_vote &&
@ -1444,13 +1447,16 @@ dirvote_add_vote(const char *vote_body, const char **msg_out, int *status_out)
});
pending_vote = tor_malloc_zero(sizeof(pending_vote_t));
pending_vote->vote_body = new_cached_dir(tor_strdup(vote_body),
pending_vote->vote_body = new_cached_dir(tor_strndup(vote_body,
end_of_vote-vote_body),
vote->published);
pending_vote->vote = vote;
smartlist_add(pending_vote_list, pending_vote);
if (end_of_vote && !strcmpstart(end_of_vote, "network-status-version "))
if (!strcmpstart(end_of_vote, "network-status-version ")) {
vote_body = end_of_vote;
goto again;
}
goto done;
@ -1465,8 +1471,10 @@ dirvote_add_vote(const char *vote_body, const char **msg_out, int *status_out)
if (vote)
networkstatus_vote_free(vote);
if (end_of_vote && !strcmpstart(end_of_vote, "network-status-version "))
if (end_of_vote && !strcmpstart(end_of_vote, "network-status-version ")) {
vote_body = end_of_vote;
goto again;
}
done: