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authorNick Mathewson <nickm@torproject.org>2014-03-05 12:17:31 -0500
committerNick Mathewson <nickm@torproject.org>2014-03-05 12:17:31 -0500
commit12954908623a285606ec7522168cd2ac7e799525 (patch)
tree230de9088fb58509168acc96b27cc6ae70ae7a58
parent27d231ca130b48e0963aaab7307109f7eafcc5c9 (diff)
parent24add404ac08df59d0b5d68c6762b869bee63bac (diff)
downloadtor-12954908623a285606ec7522168cd2ac7e799525.tar.gz
tor-12954908623a285606ec7522168cd2ac7e799525.zip
Merge remote-tracking branch 'public/bug8788'
-rw-r--r--changes/bug87883
-rw-r--r--src/ext/eventdns.c3
2 files changed, 5 insertions, 1 deletions
diff --git a/changes/bug8788 b/changes/bug8788
new file mode 100644
index 0000000000..26fb5bc4f3
--- /dev/null
+++ b/changes/bug8788
@@ -0,0 +1,3 @@
+ o Minor bugfixes:
+ - Avoid crashing on a malformed resolv.conf file when running a
+ server using Libevent 1. Fixes bug 8788; bugfix on 0.1.1.23.
diff --git a/src/ext/eventdns.c b/src/ext/eventdns.c
index 8b934c4430..5ac9c1230c 100644
--- a/src/ext/eventdns.c
+++ b/src/ext/eventdns.c
@@ -3014,7 +3014,8 @@ resolv_conf_parse_line(char *const start, int flags) {
if (!strcmp(first_token, "nameserver") && (flags & DNS_OPTION_NAMESERVERS)) {
const char *const nameserver = NEXT_TOKEN;
- evdns_nameserver_ip_add(nameserver);
+ if (nameserver)
+ evdns_nameserver_ip_add(nameserver);
} else if (!strcmp(first_token, "domain") && (flags & DNS_OPTION_SEARCH)) {
const char *const domain = NEXT_TOKEN;
if (domain) {