From 1a6ba5edc0b4482182ec6603433435ff091f66b6 Mon Sep 17 00:00:00 2001
From: Yves Rutschle <git1@rutschle.net>
Date: Sat, 27 Jan 2018 22:59:52 +0100
Subject: [PATCH] fix IPv6 parse error introduced in
 7bf3e12c30d0585743792982ed8bcfc44aecae34

---
 common.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/common.c b/common.c
index 225c28a..541bac1 100644
--- a/common.c
+++ b/common.c
@@ -456,19 +456,21 @@ int resolve_split_name(struct addrinfo **out, const char* ct_host, const char* s
    struct addrinfo hint;
    char *end;
    int res;
-   char* host;
+   char* host, *host_base;
 
    memset(&hint, 0, sizeof(hint));
    hint.ai_family = PF_UNSPEC;
    hint.ai_socktype = SOCK_STREAM;
 
    /* Copy parameter so not to clobber data in libconfig */
-   res = asprintf(&host, "%s", ct_host);
+   res = asprintf(&host_base, "%s", ct_host);
    if (res == -1) {
        log_message(LOG_ERR, "asprintf: cannot allocate memory");
        return -1;
    }
 
+   host = host_base;
+
    /* If it is a RFC-Compliant IPv6 address ("[1234::12]:443"), remove brackets
     * around IP address */
    if (host[0] == '[') {
@@ -483,7 +485,7 @@ int resolve_split_name(struct addrinfo **out, const char* ct_host, const char* s
    res = getaddrinfo(host, serv, &hint, out);
    if (res)
       log_message(LOG_ERR, "%s `%s:%s'\n", gai_strerror(res), host, serv);
-   free(host);
+   free(host_base);
    return res;
 }