/**
* Parses the hsts directives from given header like specified in RFC 6797 6.1
*/
static void parse_hsts_header(HSTSProvider *provider,
const char *host, const char *header)
{
GHashTable *directives = soup_header_parse_semi_param_list(header);
HSTSEntry *entry;
int max_age = G_MAXINT;
gboolean include_sub_domains = false;
GHashTableIter iter;
gpointer key, value;
gboolean success = true;
HSTSProviderClass *klass = g_type_class_ref(HSTS_TYPE_PROVIDER);
g_hash_table_iter_init(&iter, directives);
while (g_hash_table_iter_next(&iter, &key, &value)) {
/* parse the max-age directive */
if (!g_ascii_strncasecmp(key, "max-age", 7)) {
/* max age needs a value */
if (value) {
max_age = g_ascii_strtoll(value, NULL, 10);
if (max_age < 0) {
success = false;
break;
}
} else {
success = false;
break;
}
} else if (g_ascii_strncasecmp(key, "includeSubDomains", 17)) {
/* includeSubDomains must not have a value */
if (!value) {
include_sub_domains = true;
} else {
success = false;
break;
}
}
}
soup_header_free_param_list(directives);
g_type_class_unref(klass);
if (success) {
/* remove host if max-age = 0 RFC 6797 6.1.1 */
if (max_age == 0) {
remove_host_entry(provider, host);
} else {
entry = g_slice_new(HSTSEntry);
entry->expires_at = soup_date_new_from_now(max_age);
entry->include_sub_domains = include_sub_domains;
add_host_entry(provider, host, entry);
add_host_entry_to_file(provider, host, entry);
}
}
}
static gboolean
parse_content_foo (SoupMessageHeaders *hdrs, const char *header_name,
char **foo, GHashTable **params)
{
const char *header;
char *semi;
header = soup_message_headers_get_one (hdrs, header_name);
if (!header)
return FALSE;
if (foo) {
*foo = g_strdup (header);
semi = strchr (*foo, ';');
if (semi) {
char *p = semi;
*semi++ = '\0';
while (p - 1 > *foo && g_ascii_isspace(p[-1]))
*(--p) = '\0';
}
} else {
semi = strchr (header, ';');
if (semi)
semi++;
}
if (!params)
return TRUE;
if (!semi) {
*params = soup_header_parse_semi_param_list ("");
return TRUE;
}
*params = soup_header_parse_semi_param_list (semi);
return TRUE;
}
