22 lines
788 B
Diff
22 lines
788 B
Diff
From ec65c42052d95d2c23d1d837136d1cf1d9ecef9e Mon Sep 17 00:00:00 2001
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From: Azat Khuzhin <a3at.mail@gmail.com>
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Date: Fri, 25 Mar 2016 00:33:47 +0300
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Subject: [PATCH] evdns: fix searching empty hostnames
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--- evdns.c
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+++ evdns.c
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@@ -3175,9 +3175,12 @@ search_set_from_hostname(struct evdns_base *base) {
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static char *
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search_make_new(const struct search_state *const state, int n, const char *const base_name) {
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const size_t base_len = strlen(base_name);
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- const char need_to_append_dot = base_name[base_len - 1] == '.' ? 0 : 1;
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+ char need_to_append_dot;
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struct search_domain *dom;
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+ if (!base_len) return NULL;
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+ need_to_append_dot = base_name[base_len - 1] == '.' ? 0 : 1;
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+
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for (dom = state->head; dom; dom = dom->next) {
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if (!n--) {
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/* this is the postfix we want */
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