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Fix a couple more node_t-related nullpointer bugs

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This commit is contained in:
Nick Mathewson 2010-10-04 23:51:30 -04:00
parent 9edd85aa4c
commit 4080d9b0fa
3 changed files with 10 additions and 5 deletions
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2
src/or/circuituse.c
View File

@ -1313,7 +1313,7 @@ circuit_get_open_circ_or_launch(edge_connection_t *conn,
const node_t *r;
int opt = conn->chosen_exit_optional;
r = node_get_by_nickname(conn->chosen_exit_name, 1);
if (r) {
if (r && node_has_descriptor(r)) {
extend_info = extend_info_from_node(r);
} else {
log_debug(LD_DIR, "considering %d, %s",

1
src/or/nodelist.c
View File

@ -514,6 +514,7 @@ node_get_by_nickname(const char *nickname, int warn_if_unnamed)
const char *
node_get_nickname(const node_t *node)
{
tor_assert(node);
if (node->rs)
return node->rs->nickname;
else if (node->ri)

12
src/or/routerlist.c
View File

@ -1321,9 +1321,13 @@ nodelist_add_node_family(smartlist_t *sl, const node_t *node)
{
/* XXXX MOVE */
const smartlist_t *all_nodes = nodelist_get_list();
const smartlist_t *declared_family = node_get_declared_family(node);
const smartlist_t *declared_family;
or_options_t *options = get_options();
tor_assert(node);
declared_family = node_get_declared_family(node);
/* First, add any nodes with similar network addresses. */
if (options->EnforceDistinctSubnets) {
tor_addr_t node_addr;
@ -1334,7 +1338,7 @@ nodelist_add_node_family(smartlist_t *sl, const node_t *node)
node_get_addr(node2, &a);
if (addrs_in_same_network_family(&a, &node_addr))
smartlist_add(sl, (void*)node2);
} SMARTLIST_FOREACH_END(node);
} SMARTLIST_FOREACH_END(node2);
}
/* Now, add all nodes in the declared_family of this node, if they
@ -1349,12 +1353,12 @@ nodelist_add_node_family(smartlist_t *sl, const node_t *node)
continue;
if (!(family2 = node_get_declared_family(node2)))
continue;
SMARTLIST_FOREACH(family2, const char *, name2, {
SMARTLIST_FOREACH_BEGIN(family2, const char *, name2) {
if (node_nickname_matches(node, name2)) {
smartlist_add(sl, (void*)node2);
break;
}
});
} SMARTLIST_FOREACH_END(name2);
} SMARTLIST_FOREACH_END(name);
}