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Allow multiple CNAMEs in a single --cname= option.

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This commit is contained in:
Simon Kelley
2016-12-22 22:09:50 +00:00
parent 0682b7795c
commit a1d973f987
2 changed files with 24 additions and 15 deletions
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33
src/option.c
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@@ -3728,22 +3728,27 @@ static int one_opt(int option, char *arg, char *errstr, char *gen_err, int comma
case LOPT_CNAME: /* --cname */
{
struct cname *new;
char *alias, *target, *ttls;
char *alias, *target, *last, *pen;
int ttl = -1;
if (!(comma = split(arg)))
ret_err(gen_err);
if ((ttls = split(comma)) && !atoi_check(ttls, &ttl))
ret_err(_("bad TTL"));
alias = canonicalise_opt(arg);
target = canonicalise_opt(comma);
if (!alias || !target)
ret_err(_("bad CNAME"));
else
for (last = pen = NULL, comma = arg; comma; comma = split(comma))
{
pen = last;
last = comma;
}
if (!pen)
ret_err(_("bad CNAME"));
if (pen != arg && atoi_check(last, &ttl))
last = pen;
target = canonicalise_opt(last);
while (arg != last)
{
alias = canonicalise_opt(arg);
for (new = daemon->cnames; new; new = new->next)
if (hostname_isequal(new->alias, arg))
ret_err(_("duplicate CNAME"));
@@ -3753,6 +3758,8 @@ static int one_opt(int option, char *arg, char *errstr, char *gen_err, int comma
new->alias = alias;
new->target = target;
new->ttl = ttl;
arg += strlen(arg)+1;
}
break;