/* Set default TCP specififc params */
static int local_set_params(http_t *client)
{
int timeout = 0;
int port;
http_get_remote_timeout(client, &timeout);
if (timeout == 0)
http_set_remote_timeout(client, HTTP_DEFAULT_TIMEOUT);
http_get_port(client, &port);
if (port == 0)
http_set_port(client, HTTP_DEFAULT_PORT);
return 0;
}
static int request(ddns_t *ctx, ddns_info_t *info, ddns_alias_t *alias)
{
int i, rc = 0;
http_t client;
http_trans_t trans;
char *buf, *tmp, *line, *hash = NULL;
char host[256], updateurl[256];
char buffer[256];
char digeststr[SHA1_DIGEST_BYTES * 2 + 1];
unsigned char digestbuf[SHA1_DIGEST_BYTES];
do {
TRY(http_construct(&client));
http_set_port(&client, info->server_name.port);
http_set_remote_name(&client, info->server_name.name);
http_set_bind_iface(&client, ctx->bind_interface);
client.ssl_enabled = info->ssl_enabled;
if (client.ssl_enabled) /* XXX: Fix this better, possibly in http_init() */
client.tcp.ip.port = 443;
TRY(http_init(&client, "Sending update URL query"));
snprintf(buffer, sizeof(buffer), "%s|%s",
info->creds.username, info->creds.password);
sha1((unsigned char *)buffer, strlen(buffer), digestbuf);
for (i = 0; i < SHA1_DIGEST_BYTES; i++)
sprintf(&digeststr[i * 2], "%02x", digestbuf[i]);
snprintf(buffer, sizeof(buffer), "/api/?action=getdyndns&sha=%s", digeststr);
trans.req_len = snprintf(ctx->request_buf, ctx->request_buflen,
GENERIC_HTTP_REQUEST, buffer, info->server_name.name);
trans.p_req = ctx->request_buf;
trans.p_rsp = ctx->work_buf;
trans.max_rsp_len = ctx->work_buflen - 1; /* Save place for a \0 at the end */
rc = http_transaction(&client, &trans);
rc |= http_exit(&client);
http_destruct(&client, 1);
if (rc)
break;
TRY(http_status_valid(trans.status));
tmp = buf = strdup(trans.p_rsp_body);
for (line = strsep(&tmp, "\n"); line; line = strsep(&tmp, "\n")) {
int num;
num = sscanf(line, "%255[^|\r\n]|%*[^|\r\n]|%255[^|\r\n]", host, updateurl);
if (*line && num == 2 && !strcmp(host, alias->name)) {
hash = strstr(updateurl, "?");
break;
}
}
free(buf);
if (!hash)
rc = RC_DYNDNS_RSP_NOTOK;
else
hash++;
}
while (0);
if (rc) {
logit(LOG_INFO, "Update URL query failed");
return 0;
}
return snprintf(ctx->request_buf, ctx->request_buflen,
FREEDNS_UPDATE_IP_REQUEST,
info->server_url,
hash, alias->address,
info->server_name.name);
}
