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Use the first referral of Afilias GRS results

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Defensive programming: this is never supposed to happen, but if more
than one attribute were returned by the registry then the memory
allocated to referral_server would be leaked.
This commit is contained in:
Marco d'Itri 2014-09-13 01:56:42 +02:00
parent c7769cbfdf
commit fa011e0665
1 changed files with 5 additions and 0 deletions
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whois.c
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@ -772,6 +772,8 @@ char *query_afilias(const int sock, const char *query)
free(temp); free(temp);
while (fgets(buf, sizeof(buf), fi)) { while (fgets(buf, sizeof(buf), fi)) {
/* If multiple attributes are returned then use the first result.
This is not supposed to happen. */
if (state == 0 && strneq(buf, "Domain Name:", 12)) if (state == 0 && strneq(buf, "Domain Name:", 12))
state = 1; state = 1;
if (state == 1 && strneq(buf, "Whois Server:", 13)) { if (state == 1 && strneq(buf, "Whois Server:", 13)) {
@ -780,8 +782,11 @@ char *query_afilias(const int sock, const char *query)
referral_server = strdup(p); referral_server = strdup(p);
if ((p = strpbrk(referral_server, "\r\n "))) if ((p = strpbrk(referral_server, "\r\n ")))
*p = '\0'; *p = '\0';
state = 2;
} }
/* the output must not be hidden or no data will be shown for
host records and not-existing domains */
if (hide_line(&hide, buf)) if (hide_line(&hide, buf))
continue; continue;