bool RESTRequestState::get_client_addr(p4p::IPPrefix& addr) const
{
#if MHD_VERSION >= 0x00040001
const MHD_ConnectionInfo* cinfo = MHD_get_connection_info(conn_, MHD_CONNECTION_INFO_CLIENT_ADDRESS);
if (!cinfo)
return false;
const struct sockaddr_in* saddr = (const struct sockaddr_in*) cinfo->client_addr;
if (!saddr)
return false;
if (saddr->sin_family == AF_INET)
{
addr = p4p::IPPrefix(AF_INET, &saddr->sin_addr, sizeof(saddr->sin_addr) * 8);
return true;
}
const struct sockaddr_in6* saddr6 = (const struct sockaddr_in6*)saddr;
if (saddr6->sin6_family == AF_INET6)
{
addr = p4p::IPPrefix(AF_INET6, &saddr6->sin6_addr, sizeof(saddr6->sin6_addr) * 8);
return true;
}
#endif
return false;
}
std::string getIP(struct MHD_Connection *connection) {
char address[INET_ADDRSTRLEN];
inet_ntop(AF_INET, (void *)
&((struct sockaddr_in *)MHD_get_connection_info(connection,
MHD_CONNECTION_INFO_CLIENT_ADDRESS)->client_addr)->sin_addr,
address, INET_ADDRSTRLEN);
return std::string(address);
}
/*
* HTTP access handler call back
* used to query negotiated security parameters
*/
static int
query_session_ahc (void *cls, struct MHD_Connection *connection,
const char *url, const char *method,
const char *upload_data, const char *version,
size_t *upload_data_size, void **ptr)
{
struct MHD_Response *response;
int ret;
if (NULL == *ptr)
{
*ptr = &query_session_ahc;
return MHD_YES;
}
/* assert actual connection cipher is the one negotiated */
if (GNUTLS_CIPHER_AES_256_CBC !=
(ret = MHD_get_connection_info
(connection,
MHD_CONNECTION_INFO_CIPHER_ALGO)->cipher_algorithm))
{
fprintf (stderr, "Error: requested cipher mismatch (wanted %d, got %d)\n",
GNUTLS_CIPHER_AES_256_CBC,
ret);
return -1;
}
if (GNUTLS_SSL3 !=
(ret = MHD_get_connection_info
(connection,
MHD_CONNECTION_INFO_PROTOCOL)->protocol))
{
fprintf (stderr, "Error: requested protocol mismatch (wanted %d, got %d)\n",
GNUTLS_SSL3,
ret);
return -1;
}
response = MHD_create_response_from_data (strlen (EMPTY_PAGE),
(void *) EMPTY_PAGE,
MHD_NO, MHD_NO);
ret = MHD_queue_response (connection, MHD_HTTP_OK, response);
MHD_destroy_response (response);
return ret;
}
int check_permissions(struct MHD_Connection *connection, int *code, char **hostname) {
const union MHD_ConnectionInfo *ci;
gnutls_session_t session;
gnutls_x509_crt_t client_cert;
_cleanup_free_ char *buf = NULL;
int r;
assert(connection);
assert(code);
*code = 0;
ci = MHD_get_connection_info(connection,
MHD_CONNECTION_INFO_GNUTLS_SESSION);
if (!ci) {
log_error("MHD_get_connection_info failed: session is unencrypted");
*code = mhd_respond(connection, MHD_HTTP_FORBIDDEN,
"Encrypted connection is required");
return -EPERM;
}
session = ci->tls_session;
assert(session);
r = get_client_cert(session, &client_cert);
if (r < 0) {
*code = mhd_respond(connection, MHD_HTTP_UNAUTHORIZED,
"Authorization through certificate is required");
return -EPERM;
}
r = get_auth_dn(client_cert, &buf);
if (r < 0) {
*code = mhd_respond(connection, MHD_HTTP_UNAUTHORIZED,
"Failed to determine distinguished name from certificate");
return -EPERM;
}
log_info("Connection from %s", buf);
if (hostname) {
*hostname = buf;
buf = NULL;
}
r = verify_cert_authorized(session);
if (r < 0) {
log_warning("Client is not authorized");
*code = mhd_respond(connection, MHD_HTTP_UNAUTHORIZED,
"Client certificate not signed by recognized authority");
}
return r;
}
void http_response::get_raw_response_lp_receive(
MHD_Response** response,
webserver* ws
)
{
this->ws = ws;
this->connection_id = MHD_get_connection_info(
this->underlying_connection,
MHD_CONNECTION_INFO_CLIENT_ADDRESS
)->client_addr;
*response = MHD_create_response_from_callback(MHD_SIZE_UNKNOWN, 80,
&http_response::data_generator, (void*) this, NULL);
ws->register_to_topics(
topics,
connection_id,
keepalive_secs,
keepalive_msg
);
}
static void
log_request(struct MHD_Connection *connection,
const struct http_priv_t *http, const char *method, const char *url)
{
#if MHD_VERSION < 0x00090600
const union MHD_ConnectionInfo *info;
const unsigned char *ip;
info = MHD_get_connection_info(connection,
MHD_CONNECTION_INFO_CLIENT_ADDRESS);
assert(info);
ip = (unsigned char *)&info->client_addr->sin_addr.s_addr;
logger(http->logger, "%hhu.%hhu.%hhu.%hhu:%d - %s %s",
ip[0], ip[1], ip[2], ip[3], info->client_addr->sin_port,
method, url);
#else
(void)connection;
logger(http->logger, "%s %s", method, url);
#endif
}
/**
* @brief get_ip
* @param connection
* @return ip address - must be freed by caller
*/
static char *
get_ip(struct MHD_Connection *connection)
{
const union MHD_ConnectionInfo *connection_info;
char *ip_addr = NULL;
const struct sockaddr *client_addr;
const struct sockaddr_in *addrin;
const struct sockaddr_in6 *addrin6;
if (!(connection_info = MHD_get_connection_info(connection, MHD_CONNECTION_INFO_CLIENT_ADDRESS))) {
return NULL;
}
/* cast required for legacy MHD API < 0.9.6*/
client_addr = (const struct sockaddr *)connection_info->client_addr;
addrin = (const struct sockaddr_in *) client_addr;
addrin6 = (const struct sockaddr_in6 *) client_addr;
switch(client_addr->sa_family) {
case AF_INET:
ip_addr = calloc(1, INET_ADDRSTRLEN+1);
if(!inet_ntop(addrin->sin_family, &(addrin->sin_addr), ip_addr , sizeof(struct sockaddr_in))) {
free(ip_addr);
return NULL;
}
break;
case AF_INET6:
ip_addr = calloc(1, INET6_ADDRSTRLEN+1);
if(!inet_ntop(addrin6->sin6_family, &(addrin6->sin6_addr), ip_addr , sizeof(struct sockaddr_in6))) {
free(ip_addr);
return NULL;
}
break;
}
return ip_addr;
}
/* ****************************************************************************
*
* connectionTreat -
*
* This is the MHD_AccessHandlerCallback function for MHD_start_daemon
* This function returns:
* o MHD_YES if the connection was handled successfully
* o MHD_NO if the socket must be closed due to a serious error
*
* - This function is called once when the headers are read and the ciP is created.
* - Then it is called for data payload and once all the payload an acknowledgement
* must be done, setting *upload_data_size to ZERO.
* - The last call is made with *upload_data_size == 0 and now is when the connection
* is open to send responses.
*
* Call 1: *con_cls == NULL
* Call 2: *con_cls != NULL AND *upload_data_size != 0
* Call 3: *con_cls != NULL AND *upload_data_size == 0
*/
static int connectionTreat
(
void* cls,
MHD_Connection* connection,
const char* url,
const char* method,
const char* version,
const char* upload_data,
size_t* upload_data_size,
void** con_cls
)
{
ConnectionInfo* ciP = (ConnectionInfo*) *con_cls;
size_t dataLen = *upload_data_size;
// 1. First call - setup ConnectionInfo and get/check HTTP headers
if (ciP == NULL)
{
//
// IP Address and port of caller
//
char ip[32];
unsigned short port = 0;
const union MHD_ConnectionInfo* mciP = MHD_get_connection_info(connection, MHD_CONNECTION_INFO_CLIENT_ADDRESS);
if (mciP != NULL)
{
port = (mciP->client_addr->sa_data[0] << 8) + mciP->client_addr->sa_data[1];
snprintf(ip, sizeof(ip), "%d.%d.%d.%d", mciP->client_addr->sa_data[2] & 0xFF, mciP->client_addr->sa_data[3] & 0xFF, mciP->client_addr->sa_data[4] & 0xFF, mciP->client_addr->sa_data[5] & 0xFF);
}
else
{
port = 0;
snprintf(ip, sizeof(ip), "IP unknown");
}
//
// ConnectionInfo
//
if ((ciP = new ConnectionInfo(url, method, version, connection)) == NULL)
{
LM_E(("Runtime Error (error allocating ConnectionInfo)"));
return MHD_NO;
}
*con_cls = (void*) ciP; // Pointer to ConnectionInfo for subsequent calls
ciP->port = port;
ciP->ip = ip;
//
// Transaction starts here
//
LM_TRANSACTION_START("from", ip, port, url); // Incoming REST request starts
//
// URI parameters
//
ciP->uriParam[URI_PARAM_NOTIFY_FORMAT] = DEFAULT_PARAM_NOTIFY_FORMAT;
ciP->uriParam[URI_PARAM_PAGINATION_OFFSET] = DEFAULT_PAGINATION_OFFSET;
ciP->uriParam[URI_PARAM_PAGINATION_LIMIT] = DEFAULT_PAGINATION_LIMIT;
ciP->uriParam[URI_PARAM_PAGINATION_DETAILS] = DEFAULT_PAGINATION_DETAILS;
MHD_get_connection_values(connection, MHD_GET_ARGUMENT_KIND, uriArgumentGet, ciP);
if (ciP->httpStatusCode != SccOk)
{
LM_W(("Bad Input (error in URI parameters)"));
restReply(ciP, ciP->answer);
return MHD_YES;
}
LM_T(LmtUriParams, ("notifyFormat: '%s'", ciP->uriParam[URI_PARAM_NOTIFY_FORMAT].c_str()));
MHD_get_connection_values(connection, MHD_HEADER_KIND, httpHeaderGet, &ciP->httpHeaders);
char tenant[128];
ciP->tenantFromHttpHeader = strToLower(tenant, ciP->httpHeaders.tenant.c_str(), sizeof(tenant));
LM_T(LmtTenant, ("HTTP tenant: '%s'", ciP->httpHeaders.tenant.c_str()));
ciP->outFormat = wantedOutputSupported(ciP->httpHeaders.accept, &ciP->charset);
if (ciP->outFormat == NOFORMAT)
ciP->outFormat = XML; // XML is default output format
ciP->servicePath = ciP->httpHeaders.servicePath;
if (servicePathSplit(ciP) != 0)
{
LM_W(("Bad Input (error in ServicePath http-header)"));
restReply(ciP, ciP->answer);
}
if (contentTypeCheck(ciP) != 0)
{
LM_W(("Bad Input (invalid mime-type in Content-Type http-header)"));
restReply(ciP, ciP->answer);
}
else if (outFormatCheck(ciP) != 0)
{
LM_W(("Bad Input (invalid mime-type in Accept http-header)"));
restReply(ciP, ciP->answer);
}
else
ciP->inFormat = formatParse(ciP->httpHeaders.contentType, NULL);
// Set default mime-type for notifications
if (ciP->uriParam[URI_PARAM_NOTIFY_FORMAT] == "")
{
if (ciP->outFormat == XML)
ciP->uriParam[URI_PARAM_NOTIFY_FORMAT] = "XML";
else if (ciP->outFormat == JSON)
ciP->uriParam[URI_PARAM_NOTIFY_FORMAT] = "JSON";
else
ciP->uriParam[URI_PARAM_NOTIFY_FORMAT] = "XML";
LM_T(LmtUriParams, ("'default' value for notifyFormat (ciP->outFormat == %d)): '%s'", ciP->outFormat, ciP->uriParam[URI_PARAM_NOTIFY_FORMAT].c_str()));
}
return MHD_YES;
}
//
// 2. Data gathering calls
//
// 2-1. Data gathering calls, just wait
// 2-2. Last data gathering call, acknowledge the receipt of data
//
if (dataLen != 0)
{
if (dataLen == ciP->httpHeaders.contentLength)
{
if (ciP->httpHeaders.contentLength <= PAYLOAD_MAX_SIZE)
{
if (ciP->httpHeaders.contentLength > STATIC_BUFFER_SIZE)
ciP->payload = (char*) malloc(ciP->httpHeaders.contentLength + 1);
else
ciP->payload = static_buffer;
ciP->payloadSize = dataLen;
memcpy(ciP->payload, upload_data, dataLen);
ciP->payload[dataLen] = 0;
}
else
{
char details[256];
snprintf(details, sizeof(details), "payload size: %d, max size supported: %d", ciP->httpHeaders.contentLength, PAYLOAD_MAX_SIZE);
ciP->answer = restErrorReplyGet(ciP, ciP->outFormat, "", ciP->url, SccRequestEntityTooLarge, details);
ciP->httpStatusCode = SccRequestEntityTooLarge;
}
// All payload received, acknowledge!
*upload_data_size = 0;
}
else
LM_T(LmtPartialPayload, ("Got %d of payload of %d bytes", dataLen, ciP->httpHeaders.contentLength));
return MHD_YES;
}
// 3. Finally, serve the request (unless an error has occurred)
if (((ciP->verb == POST) || (ciP->verb == PUT)) && (ciP->httpHeaders.contentLength == 0) && (strncasecmp(ciP->url.c_str(), "/log/", 5) != 0))
{
std::string errorMsg = restErrorReplyGet(ciP, ciP->outFormat, "", url, SccLengthRequired, "Zero/No Content-Length in PUT/POST request");
ciP->httpStatusCode = SccLengthRequired;
restReply(ciP, errorMsg);
}
else if (ciP->answer != "")
restReply(ciP, ciP->answer);
else
serveFunction(ciP);
return MHD_YES;
}
// When we receive the CoAP response we build and send the HTTP response
void coap_response_handler(struct coap_context_t *ctx, const coap_endpoint_t *local_interface,
const coap_address_t *remote, coap_pdu_t *sent, coap_pdu_t *received, const coap_tid_t id) {
printf("COAP %13s:%-5u -> ",
inet_ntoa((&remote->addr.sin)->sin_addr),
ntohs((&remote->addr.sin)->sin_port));
coap_show_pdu(received);
for(int i = 0; i < MAX_HTTP_CONNECTIONS; i++) {
if(http_coap_pairs[i].message_id == received->hdr->id) {
struct MHD_Connection *connection = http_coap_pairs[i].connection;
size_t len = 0;
unsigned char *databuf = NULL;
struct MHD_Response *response = MHD_create_response_from_buffer(len, databuf, MHD_RESPMEM_MUST_COPY);
int read_result = coap_get_data(received, &len, &databuf);
if(received->hdr->code == COAP_RESPONSE_CODE(205) && read_result == 0) {
coap_abort_to_http(connection, "coap_get_data: cannot read CoAP response data\n");
}
static char tid_str[8];
snprintf(tid_str, sizeof(tid_str), "%u", ntohs(received->hdr->id));
MHD_add_response_header(response, "X-CoAP-Message-Id", tid_str);
MHD_add_response_header(response, "X-CoAP-Response-Code", msg_code_string(received->hdr->code));
// HTTP Content-Type
const char *http_content_type;
int coap_content_format;
coap_opt_iterator_t opt_iter;
coap_opt_t *option;
coap_option_iterator_init(received, &opt_iter, COAP_OPT_ALL);
while((option = coap_option_next(&opt_iter))) {
switch(opt_iter.type) {
case COAP_OPTION_CONTENT_FORMAT:
coap_content_format = (int)coap_decode_var_bytes(COAP_OPT_VALUE(option),
COAP_OPT_LENGTH(option));
break;
default:
continue;
}
}
switch(coap_content_format) {
case COAP_MEDIATYPE_TEXT_PLAIN: http_content_type = "text/plain"; break;
case COAP_MEDIATYPE_APPLICATION_LINK_FORMAT: http_content_type = "application/link-format"; break;
case COAP_MEDIATYPE_APPLICATION_XML: http_content_type = "application/xml"; break;
case COAP_MEDIATYPE_APPLICATION_OCTET_STREAM: http_content_type = "application/octet-stream"; break;
case COAP_MEDIATYPE_APPLICATION_EXI: http_content_type = "application/exi"; break;
case COAP_MEDIATYPE_APPLICATION_JSON: http_content_type = "application/json"; break;
case COAP_MEDIATYPE_APPLICATION_CBOR: http_content_type = "application/cbor"; break;
default: http_content_type = "unknown"; break;
}
MHD_add_response_header(response, MHD_HTTP_HEADER_CONTENT_TYPE, http_content_type);
// HTTP Code
unsigned int http_code;
switch(received->hdr->code) {
case COAP_RESPONSE_200: http_code = MHD_HTTP_NO_CONTENT; break; /* 2.00 OK */
case COAP_RESPONSE_201: http_code = MHD_HTTP_CREATED; break; /* 2.01 Created */
case COAP_RESPONSE_CODE(205): http_code = MHD_HTTP_OK; break;
case COAP_RESPONSE_304: http_code = MHD_HTTP_ACCEPTED; break; /* 2.03 Valid */
case COAP_RESPONSE_400: http_code = MHD_HTTP_BAD_REQUEST; break; /* 4.00 Bad Request */
case COAP_RESPONSE_404: http_code = MHD_HTTP_NOT_FOUND; break; /* 4.04 Not Found */
case COAP_RESPONSE_405: http_code = MHD_HTTP_NOT_ACCEPTABLE; break; /* 4.05 Method Not Allowed */
case COAP_RESPONSE_415: http_code = MHD_HTTP_UNSUPPORTED_MEDIA_TYPE;break; /* 4.15 Unsupported Media Type */
case COAP_RESPONSE_500: http_code = MHD_HTTP_INTERNAL_SERVER_ERROR; break; /* 5.00 Internal Server Error */
case COAP_RESPONSE_501: http_code = MHD_HTTP_NOT_IMPLEMENTED; break; /* 5.01 Not Implemented */
case COAP_RESPONSE_503: http_code = MHD_HTTP_SERVICE_UNAVAILABLE; break; /* 5.03 Service Unavailable */
case COAP_RESPONSE_504: http_code = MHD_HTTP_GATEWAY_TIMEOUT; break; /* 5.04 Gateway Timeout */
default: http_code = MHD_HTTP_INTERNAL_SERVER_ERROR; break;
}
// Send the response
MHD_queue_response(connection, http_code, response);
MHD_destroy_response(response);
const struct sockaddr_in *client_addr = (const struct sockaddr_in *)
MHD_get_connection_info(connection, MHD_CONNECTION_INFO_CLIENT_ADDRESS)->client_addr;
printf("HTTP %13s:%-5u <- %u %s [ %s, %zu bytes, \"%s\" ]\n", inet_ntoa(client_addr->sin_addr),
ntohs(client_addr->sin_port), http_code, http_reason_phrase_for(http_code),
http_content_type, len, (databuf != NULL) ? (char *)databuf : "");
}
// clear the association
http_coap_pairs[i].connection = NULL;
return;
}
}
int answer_to_connection (void *cls, struct MHD_Connection *connection,
const char *url, const char *method,
const char *version, const char *upload_data,
size_t *upload_data_size, void **con_cls)
{
str page = {NULL, 0};
struct MHD_Response *response;
int ret;
void *async_data = NULL;
struct httpd_cb *cb = NULL;
const char *normalised_url;
struct post_request *pr;
str_str_t *kv;
char *p;
int cnt_type = HTTPD_STD_CNT_TYPE;
int accept_type = HTTPD_STD_CNT_TYPE;
int ret_code = MHD_HTTP_OK;
union sockaddr_union* cl_socket;
LM_DBG("START *** cls=%p, connection=%p, url=%s, method=%s, "
"versio=%s, upload_data[%zu]=%p, *con_cls=%p\n",
cls, connection, url, method, version,
*upload_data_size, upload_data, *con_cls);
pr = *con_cls;
if(pr == NULL){
pr = pkg_malloc(sizeof(struct post_request));
if(pr==NULL) {
LM_ERR("oom while allocating post_request structure\n");
return MHD_NO;
}
memset(pr, 0, sizeof(struct post_request));
*con_cls = pr;
pr = NULL;
}
cl_socket = *(union sockaddr_union**)MHD_get_connection_info(connection,
MHD_CONNECTION_INFO_CLIENT_ADDRESS);
if(strncmp(method, "POST", 4)==0) {
if(pr == NULL){
pr = *con_cls;
pr->p_list = slinkedl_init(&httpd_alloc, &httpd_free);
if (pr->p_list==NULL) {
LM_ERR("oom while allocating list\n");
return MHD_NO;
}
LM_DBG("running MHD_create_post_processor\n");
pr->pp = MHD_create_post_processor(connection,
post_buf_size,
&post_iterator,
pr);
if(pr->pp==NULL) {
if (*upload_data_size == 0) {
/* We need to wait for morte data before
* handling the POST request */
return MHD_YES;
}
LM_DBG("NOT a regular POST :o)\n");
if (pr->content_type==0 && pr->content_len==0)
MHD_get_connection_values(connection, MHD_HEADER_KIND,
&getConnectionHeader, pr);
if (pr->content_type<=0 || pr->content_len<=0) {
LM_ERR("got a bogus request\n");
return MHD_NO;
}
if (*upload_data_size != pr->content_len) {
/* For now, we don't support large POST with truncated data */
LM_ERR("got a truncated POST request\n");
return MHD_NO;
}
LM_DBG("got ContentType [%d] with len [%d]: %.*s\\n",
pr->content_type, pr->content_len,
(int)*upload_data_size, upload_data);
/* Here we save data. */
switch (pr->content_type) {
case HTTPD_TEXT_XML_CNT_TYPE:
case HTTPD_APPLICATION_JSON_CNT_TYPE:
/* Save the entire body as 'body' */
kv = (str_str_t*)slinkedl_append(pr->p_list,
sizeof(str_str_t) + 1 +
*upload_data_size);
p = (char*)(kv + 1);
kv->key.len = 1; kv->key.s = p;
memcpy(p, "1", 1);
p += 1;
kv->val.len = *upload_data_size;
kv->val.s = p;
memcpy(p, upload_data, *upload_data_size);
break;
default:
LM_ERR("Unhandled data for ContentType [%d]\n",
pr->content_type);
return MHD_NO;
}
/* Mark the fact that we consumed all data */
*upload_data_size = 0;
return MHD_YES;
}
LM_DBG("pr=[%p] pp=[%p] p_list=[%p]\n",
pr, pr->pp, pr->p_list);
return MHD_YES;
} else {
if (pr->pp==NULL) {
if (*upload_data_size == 0) {
if (pr->content_type==HTTPD_TEXT_XML_CNT_TYPE)
cnt_type = HTTPD_TEXT_XML_CNT_TYPE;
if (pr->content_type==HTTPD_APPLICATION_JSON_CNT_TYPE)
cnt_type = HTTPD_APPLICATION_JSON_CNT_TYPE;
*con_cls = pr->p_list;
cb = get_httpd_cb(url);
if (cb) {
normalised_url = &url[cb->http_root->len+1];
LM_DBG("normalised_url=[%s]\n", normalised_url);
ret_code = cb->callback(cls, (void*)connection,
normalised_url,
method, version,
upload_data, upload_data_size, con_cls,
&buffer, &page, cl_socket);
} else {
page = MI_HTTP_U_URL;
ret_code = MHD_HTTP_BAD_REQUEST;
}
/* slinkedl_traverse(pr->p_list,
&httpd_print_data, NULL, NULL); */
slinkedl_list_destroy(*con_cls);
pkg_free(pr); *con_cls = pr = NULL;
goto send_response;
}
LM_DBG("NOT a regular POST :o)\n");
if (pr->content_type==0 && pr->content_len==0)
MHD_get_connection_values(connection, MHD_HEADER_KIND,
&getConnectionHeader, pr);
if (pr->content_type<=0 || pr->content_len<=0) {
LM_ERR("got a bogus request\n");
return MHD_NO;
}
if (*upload_data_size != pr->content_len) {
/* For now, we don't support large POST with truncated data */
LM_ERR("got a truncated POST request\n");
return MHD_NO;
}
LM_DBG("got ContentType [%d] with len [%d]: %.*s\\n",
pr->content_type, pr->content_len,
(int)*upload_data_size, upload_data);
/* Here we save data. */
switch (pr->content_type) {
case HTTPD_TEXT_XML_CNT_TYPE:
case HTTPD_APPLICATION_JSON_CNT_TYPE:
/* Save the entire body as 'body' */
kv = (str_str_t*)slinkedl_append(pr->p_list,
sizeof(str_str_t) + 1 +
*upload_data_size);
p = (char*)(kv + 1);
kv->key.len = 1; kv->key.s = p;
memcpy(p, "1", 1);
p += 1;
kv->val.len = *upload_data_size;
kv->val.s = p;
memcpy(p, upload_data, *upload_data_size);
break;
default:
LM_ERR("Unhandled data for ContentType [%d]\n",
pr->content_type);
return MHD_NO;
}
/* Mark the fact that we consumed all data */
*upload_data_size = 0;
return MHD_YES;
}
LM_DBG("running MHD_post_process: "
"pp=%p status=%d upload_data_size=%zu\n",
pr->pp, pr->status, *upload_data_size);
if (pr->status<0) {
slinkedl_list_destroy(pr->p_list);
pr->p_list = NULL;
/* FIXME:
* It might be better to reply with an error
* instead of resetting the connection via MHD_NO */
return MHD_NO;
}
ret =MHD_post_process(pr->pp, upload_data, *upload_data_size);
LM_DBG("ret=%d upload_data_size=%zu\n", ret, *upload_data_size);
if(*upload_data_size != 0) {
*upload_data_size = 0;
return MHD_YES;
}
LM_DBG("running MHD_destroy_post_processor: "
"pr=[%p] pp=[%p] p_list=[%p]\n",
pr, pr->pp, pr->p_list);
MHD_destroy_post_processor(pr->pp);
LM_DBG("done MHD_destroy_post_processor\n");
/* slinkedl_traverse(pr->p_list, &httpd_print_data, NULL, NULL); */
*con_cls = pr->p_list;
cb = get_httpd_cb(url);
if (cb) {
normalised_url = &url[cb->http_root->len+1];
LM_DBG("normalised_url=[%s]\n", normalised_url);
ret_code = cb->callback(cls, (void*)connection,
normalised_url,
method, version,
upload_data, upload_data_size, con_cls,
&buffer, &page, cl_socket);
} else {
page = MI_HTTP_U_URL;
ret_code = MHD_HTTP_BAD_REQUEST;
}
/* slinkedl_traverse(pr->p_list, &httpd_print_data, NULL, NULL); */
slinkedl_list_destroy(*con_cls);
pkg_free(pr); *con_cls = pr = NULL;
}
}else if(strncmp(method, "GET", 3)==0) {
pr = *con_cls;
MHD_get_connection_values(connection, MHD_HEADER_KIND,
&getConnectionHeader, pr);
accept_type = pr->accept_type;
pkg_free(pr); *con_cls = pr = NULL;
LM_DBG("accept_type=[%d]\n", accept_type);
cb = get_httpd_cb(url);
if (cb) {
normalised_url = &url[cb->http_root->len+1];
LM_DBG("normalised_url=[%s]\n", normalised_url);
ret_code = cb->callback(cls, (void*)connection,
normalised_url,
method, version,
upload_data, upload_data_size, con_cls,
&buffer, &page, cl_socket);
} else {
page = MI_HTTP_U_URL;
ret_code = MHD_HTTP_BAD_REQUEST;
}
}else{
page = MI_HTTP_U_METHOD;
#ifdef MHD_HTTP_NOT_ACCEPTABLE
ret_code = MHD_HTTP_NOT_ACCEPTABLE;
#else
ret_code = MHD_HTTP_METHOD_NOT_ACCEPTABLE;
#endif
}
send_response:
if (page.s) {
#if defined MHD_VERSION && MHD_VERSION >= 0x00090000
response = MHD_create_response_from_buffer(page.len,
(void*)page.s,
MHD_RESPMEM_MUST_COPY);
#else
/* use old constructor */
response = MHD_create_response_from_data(page.len,
(void*)page.s,
0, 1);
#endif
LM_DBG("MHD_create_response_from_data [%p:%d]\n",
page.s, page.len);
} else if (cb) {
LM_DBG("MHD_create_response_from_callback\n");
response = MHD_create_response_from_callback (MHD_SIZE_UNKNOWN,
buffer.len,
(MHD_ContentReaderCallback)cb->flush_data_callback,
(void*)async_data,
NULL);
} else {
return -1;
}
if (cnt_type==HTTPD_TEXT_XML_CNT_TYPE || accept_type==HTTPD_TEXT_XML_CNT_TYPE)
MHD_add_response_header(response,
MHD_HTTP_HEADER_CONTENT_TYPE,
"text/xml; charset=utf-8");
if (cnt_type==HTTPD_APPLICATION_JSON_CNT_TYPE || accept_type==HTTPD_APPLICATION_JSON_CNT_TYPE)
MHD_add_response_header(response,
MHD_HTTP_HEADER_CONTENT_TYPE,
"application/json");
ret = MHD_queue_response (connection, ret_code, response);
MHD_destroy_response (response);
return ret;
}
static ssize_t
http_cb_response (void *cls,
uint64_t pos,
char *buffer,
size_t max)
{
(void)pos;
int ret;
struct Proxy *proxy = (struct Proxy *)cls;
void *newbody;
const union MHD_ConnectionInfo *info;
int val = 1;
PRINT_INFO2("http_cb_response for %s", proxy->url);
if(proxy->spdy_error)
return MHD_CONTENT_READER_END_WITH_ERROR;
if(0 == proxy->http_body_size && (proxy->done || !proxy->spdy_active))
{
PRINT_INFO("sent end of stream");
return MHD_CONTENT_READER_END_OF_STREAM;
}
if(!proxy->http_body_size)//nothing to write now
{
//flush data
info = MHD_get_connection_info (proxy->http_connection,
MHD_CONNECTION_INFO_CONNECTION_FD);
ret = setsockopt(info->connect_fd, IPPROTO_TCP, TCP_NODELAY, &val, (socklen_t)sizeof(val));
if(ret == -1) {
DIE("setsockopt");
}
PRINT_INFO("FLUSH data");
return 0;
}
if(max >= proxy->http_body_size)
{
ret = proxy->http_body_size;
newbody = NULL;
}
else
{
ret = max;
if(NULL == (newbody = au_malloc(proxy->http_body_size - max)))
{
PRINT_INFO("no memory");
return MHD_CONTENT_READER_END_WITH_ERROR;
}
memcpy(newbody, proxy->http_body + max, proxy->http_body_size - max);
}
memcpy(buffer, proxy->http_body, ret);
free(proxy->http_body);
proxy->http_body = newbody;
proxy->http_body_size -= ret;
if(proxy->length >= 0)
{
proxy->length -= ret;
}
PRINT_INFO2("response_callback, size: %i",ret);
return ret;
}
static int connectionTreat
(
void* cls,
MHD_Connection* connection,
const char* url,
const char* method,
const char* version,
const char* upload_data,
size_t* upload_data_size,
void** con_cls
)
{
ConnectionInfo* ciP = (ConnectionInfo*) *con_cls;
size_t dataLen = *upload_data_size;
// 1. First call - setup ConnectionInfo and get/check HTTP headers
if (ciP == NULL)
{
//
// First thing to do on a new connection, set correlator to N/A.
// After reading HTTP headers, the correlator id either changes due to encountering a
// Fiware-Correlator HTTP Header, or, if no HTTP header with Fiware-Correlator is found,
// a new correlator is generated.
//
correlatorIdSet("N/A");
//
// IP Address and port of caller
//
char ip[32];
unsigned short port = 0;
const union MHD_ConnectionInfo* mciP = MHD_get_connection_info(connection, MHD_CONNECTION_INFO_CLIENT_ADDRESS);
if (mciP != NULL)
{
struct sockaddr* addr = (struct sockaddr*) mciP->client_addr;
port = (addr->sa_data[0] << 8) + addr->sa_data[1];
snprintf(ip, sizeof(ip), "%d.%d.%d.%d",
addr->sa_data[2] & 0xFF,
addr->sa_data[3] & 0xFF,
addr->sa_data[4] & 0xFF,
addr->sa_data[5] & 0xFF);
snprintf(clientIp, sizeof(clientIp), "%s", ip);
}
else
{
port = 0;
snprintf(ip, sizeof(ip), "IP unknown");
}
//
// Reset time measuring?
//
if (timingStatistics)
{
memset(&threadLastTimeStat, 0, sizeof(threadLastTimeStat));
}
//
// ConnectionInfo
//
// FIXME P1: ConnectionInfo could be a thread variable (like the static_buffer),
// as long as it is properly cleaned up between calls.
// We would save the call to new/free for each and every request.
// Once we *really* look to scratch some efficiency, this change should be made.
//
// Also, is ciP->ip really used?
//
if ((ciP = new ConnectionInfo(url, method, version, connection)) == NULL)
{
LM_E(("Runtime Error (error allocating ConnectionInfo)"));
return MHD_NO;
}
if (timingStatistics)
{
clock_gettime(CLOCK_REALTIME, &ciP->reqStartTime);
}
LM_T(LmtRequest, (""));
// WARNING: This log message below is crucial for the correct function of the Behave tests - CANNOT BE REMOVED
LM_T(LmtRequest, ("--------------------- Serving request %s %s -----------------", method, url));
*con_cls = (void*) ciP; // Pointer to ConnectionInfo for subsequent calls
ciP->port = port;
ciP->ip = ip;
ciP->callNo = reqNo;
++reqNo;
//
// URI parameters
//
// FIXME P1: We might not want to do all these assignments, they are not used in all requests ...
// Once we *really* look to scratch some efficiency, this change should be made.
//
ciP->uriParam[URI_PARAM_PAGINATION_OFFSET] = DEFAULT_PAGINATION_OFFSET;
ciP->uriParam[URI_PARAM_PAGINATION_LIMIT] = DEFAULT_PAGINATION_LIMIT;
ciP->uriParam[URI_PARAM_PAGINATION_DETAILS] = DEFAULT_PAGINATION_DETAILS;
MHD_get_connection_values(connection, MHD_HEADER_KIND, httpHeaderGet, &ciP->httpHeaders);
char correlator[CORRELATOR_ID_SIZE + 1];
if (ciP->httpHeaders.correlator == "")
{
correlatorGenerate(correlator);
ciP->httpHeaders.correlator = correlator;
}
correlatorIdSet(ciP->httpHeaders.correlator.c_str());
ciP->httpHeader.push_back("Fiware-Correlator");
ciP->httpHeaderValue.push_back(ciP->httpHeaders.correlator);
//
// Transaction starts here
//
lmTransactionStart("from", ip, port, url); // Incoming REST request starts
/* X-Forwared-For (used by a potential proxy on top of Orion) overrides ip */
if (ciP->httpHeaders.xforwardedFor == "")
{
lmTransactionSetFrom(ip);
}
else
{
lmTransactionSetFrom(ciP->httpHeaders.xforwardedFor.c_str());
}
ciP->apiVersion = apiVersionGet(ciP->url.c_str());
char tenant[SERVICE_NAME_MAX_LEN + 1];
ciP->tenantFromHttpHeader = strToLower(tenant, ciP->httpHeaders.tenant.c_str(), sizeof(tenant));
ciP->outMimeType = wantedOutputSupported(ciP->apiVersion, ciP->httpHeaders.accept, &ciP->charset);
if (ciP->outMimeType == NOMIMETYPE)
{
ciP->outMimeType = JSON; // JSON is default output mimeType
}
MHD_get_connection_values(connection, MHD_GET_ARGUMENT_KIND, uriArgumentGet, ciP);
return MHD_YES;
}
//
// 2. Data gathering calls
//
// 2-1. Data gathering calls, just wait
// 2-2. Last data gathering call, acknowledge the receipt of data
//
if (dataLen != 0)
{
//
// If the HTTP header says the request is bigger than our PAYLOAD_MAX_SIZE,
// just silently "eat" the entire message
//
if (ciP->httpHeaders.contentLength > PAYLOAD_MAX_SIZE)
{
*upload_data_size = 0;
return MHD_YES;
}
//
// First call with payload - use the thread variable "static_buffer" if possible,
// otherwise allocate a bigger buffer
//
// FIXME P1: This could be done in "Part I" instead, saving an "if" for each "Part II" call
// Once we *really* look to scratch some efficiency, this change should be made.
//
if (ciP->payloadSize == 0) // First call with payload
{
if (ciP->httpHeaders.contentLength > STATIC_BUFFER_SIZE)
{
ciP->payload = (char*) malloc(ciP->httpHeaders.contentLength + 1);
}
else
{
ciP->payload = static_buffer;
}
}
// Copy the chunk
LM_T(LmtPartialPayload, ("Got %d of payload of %d bytes", dataLen, ciP->httpHeaders.contentLength));
memcpy(&ciP->payload[ciP->payloadSize], upload_data, dataLen);
// Add to the size of the accumulated read buffer
ciP->payloadSize += *upload_data_size;
// Zero-terminate the payload
ciP->payload[ciP->payloadSize] = 0;
// Acknowledge the data and return
*upload_data_size = 0;
return MHD_YES;
}
//
// 3. Finally, serve the request (unless an error has occurred)
//
// URL and headers checks are delayed to the "third" MHD call, as no
// errors can be sent before all the request has been read
//
if (urlCheck(ciP, ciP->url) == false)
{
alarmMgr.badInput(clientIp, "error in URI path");
restReply(ciP, ciP->answer);
}
ciP->servicePath = ciP->httpHeaders.servicePath;
lmTransactionSetSubservice(ciP->servicePath.c_str());
if (servicePathSplit(ciP) != 0)
{
alarmMgr.badInput(clientIp, "error in ServicePath http-header");
restReply(ciP, ciP->answer);
}
if (contentTypeCheck(ciP) != 0)
{
alarmMgr.badInput(clientIp, "invalid mime-type in Content-Type http-header");
restReply(ciP, ciP->answer);
}
else if (outMimeTypeCheck(ciP) != 0)
{
alarmMgr.badInput(clientIp, "invalid mime-type in Accept http-header");
restReply(ciP, ciP->answer);
}
else
{
ciP->inMimeType = mimeTypeParse(ciP->httpHeaders.contentType, NULL);
}
if (ciP->httpStatusCode != SccOk)
{
alarmMgr.badInput(clientIp, "error in URI parameters");
restReply(ciP, ciP->answer);
return MHD_YES;
}
//
// Here, if the incoming request was too big, return error about it
//
if (ciP->httpHeaders.contentLength > PAYLOAD_MAX_SIZE)
{
char details[256];
snprintf(details, sizeof(details), "payload size: %d, max size supported: %d", ciP->httpHeaders.contentLength, PAYLOAD_MAX_SIZE);
alarmMgr.badInput(clientIp, details);
ciP->answer = restErrorReplyGet(ciP, "", ciP->url, SccRequestEntityTooLarge, details);
ciP->httpStatusCode = SccRequestEntityTooLarge;
}
//
// Requests of verb POST, PUT or PATCH are considered erroneous if no payload is present - with two exceptions.
//
// - Old log requests (URL contains '/log/')
// - New log requests (URL is exactly '/admin/log')
//
if (((ciP->verb == POST) || (ciP->verb == PUT) || (ciP->verb == PATCH )) &&
(ciP->httpHeaders.contentLength == 0) &&
((strncasecmp(ciP->url.c_str(), "/log/", 5) != 0) && (strncasecmp(ciP->url.c_str(), "/admin/log", 10) != 0)))
{
std::string errorMsg = restErrorReplyGet(ciP, "", url, SccContentLengthRequired, "Zero/No Content-Length in PUT/POST/PATCH request");
ciP->httpStatusCode = SccContentLengthRequired;
restReply(ciP, errorMsg);
alarmMgr.badInput(clientIp, errorMsg);
}
else if (ciP->answer != "")
{
alarmMgr.badInput(clientIp, ciP->answer);
restReply(ciP, ciP->answer);
}
else
{
serveFunction(ciP);
}
return MHD_YES;
}
/**
* Callback function used to answer clients's connection (MHD_AccessHandlerCallback)
*
* @param cls Custom value selected at callback registration time, used to initialize the done flag
*
* @param connection The client connection
*
* @param url The url on which the client made its request
*
* @param method The http method with which the client made its request (Only GET and PUT supported)
*
* @param version The HTTP version string (i.e. HTTP/1.1)
*
* @param upload_data Data beeing uploaded when receiving PUT
*
* @param upload_data_size Size of the data beeing uploaded when receiving PUT
*
* @param con_cls reference to a pointer, initially set to NULL, that this callback can set to some
* address and that will be preserved by MHD for future calls for this request
*
* @return MHD_YES to pursue the request handling, MHD_NO in case of error with
* the request, return value of the send_* functions otherwise
*/
int
answer_to_connection ( void *cls, struct MHD_Connection *connection,
const char *url,
const char *method, const char *version,
const char *upload_data,
size_t *upload_data_size, void **con_cls )
{
Service *requested_service;
char *xmlbuff = NULL;
int ret;
int *done = cls;
static int aptr;
const char *get_arg;
struct sockaddr *addr;
addr = MHD_get_connection_info (connection, MHD_CONNECTION_INFO_CLIENT_ADDRESS)->client_addr;
char IP[16];
inet_ntop(addr->sa_family,addr->sa_data + 2, IP, 16);
if( 0 == strcmp (method, MHD_HTTP_METHOD_GET) )
{
if ( &aptr != *con_cls )
{
/* do never respond on first call */
*con_cls = &aptr;
return MHD_YES;
}
*con_cls = NULL;
if( strcmp(url,"/log") == 0 )
{
ret = subscribe_to_log_events(connection, con_cls, HPD_IS_UNSECURE_CONNECTION);
Log (HPD_LOG_ONLY_REQUESTS, NULL, IP, method, url, NULL);
return ret;
}
else if( strcmp(url,"/events") == 0 )
{
ret = set_up_server_sent_event_connection( connection, HPD_IS_UNSECURE_CONNECTION );
if( ret == MHD_HTTP_NOT_FOUND )
{
Log (HPD_LOG_ONLY_REQUESTS, NULL, IP, method, url, NULL);
return send_error (connection, MHD_HTTP_NOT_FOUND);
}
else
{
Log (HPD_LOG_ONLY_REQUESTS, NULL, IP, method, url, NULL);
return ret;
}
}
else if( strcmp(url,"/devices") == 0 )
{
xmlbuff = get_xml_device_list();
ret = send_xml (connection, xmlbuff);
Log (HPD_LOG_ONLY_REQUESTS, NULL, IP, method, url, NULL);
return ret;
}
else if( ( requested_service = matching_service (service_head, url) ) != NULL )
{
get_arg = MHD_lookup_connection_value(connection, MHD_GET_ARGUMENT_KIND, "x");
if( get_arg != NULL )
{
if( strcmp(get_arg, "1") == 0 )
{
pthread_mutex_lock(requested_service->mutex);
xmlbuff = extract_service_xml(requested_service);
pthread_mutex_unlock(requested_service->mutex);
ret = send_xml (connection, xmlbuff);
Log (HPD_LOG_ONLY_REQUESTS, NULL, IP, method, url, "x=1");
return ret;
}
}
get_arg = MHD_lookup_connection_value(connection, MHD_GET_ARGUMENT_KIND, "p");
if( get_arg != NULL )
{
if( strcmp(get_arg, "1") == 0 )
{
ret = subscribe_to_service(connection, requested_service, con_cls, HPD_IS_UNSECURE_CONNECTION);
Log (HPD_LOG_ONLY_REQUESTS, NULL, IP, method, url, "p=1");
return ret;
}
}
pthread_mutex_lock( requested_service->mutex );
ret = requested_service-> get_function( requested_service,
requested_service->get_function_buffer,
MHD_MAX_BUFFER_SIZE);
if( ret != 0 )
requested_service->get_function_buffer[ret] = '\0';
else
{
pthread_mutex_unlock( requested_service->mutex );
ret = send_error(connection, MHD_HTTP_INTERNAL_SERVER_ERROR);
Log (HPD_LOG_ONLY_REQUESTS, NULL, IP, method, url, NULL);
return ret;
}
xmlbuff = get_xml_value (requested_service->get_function_buffer);
pthread_mutex_unlock(requested_service->mutex);
ret = send_xml(connection, xmlbuff);
Log (HPD_LOG_ONLY_REQUESTS, NULL, IP, method, url, NULL);
return ret;
}
else
{
ret = send_error(connection, MHD_HTTP_NOT_FOUND);
Log (HPD_LOG_ONLY_REQUESTS, NULL, IP, method, url, NULL);
return ret;
}
}
else if( 0 == strcmp(method, MHD_HTTP_METHOD_PUT) )
{
if( ( *con_cls ) == NULL )
{
if( *upload_data_size == 0 )
{
return MHD_YES; /* not ready yet */
}
/* Add a space for a '/0' in order to clear the end of the XML */
char *put_data_temp = (char*)malloc((*upload_data_size)*sizeof(char)+1);
memcpy(put_data_temp, upload_data, *upload_data_size);
put_data_temp[*upload_data_size]='\0';
*con_cls = put_data_temp;
*upload_data_size = 0;
return MHD_YES;
}
else
{
if( ( requested_service = matching_service (service_head, url) ) !=NULL )
{
pthread_mutex_lock(requested_service->mutex);
if( requested_service->put_function != NULL && *con_cls != NULL )
{
char* _value = get_value_from_xml_value (*con_cls);
if(_value == NULL)
{
pthread_mutex_unlock(requested_service->mutex);
ret = send_error (connection, MHD_HTTP_BAD_REQUEST);
Log (HPD_LOG_ONLY_REQUESTS, NULL, IP, method, url, NULL);
return ret;
}
free(*con_cls);
ret = requested_service-> put_function( requested_service,
requested_service->get_function_buffer,
MHD_MAX_BUFFER_SIZE,
_value );
free(_value);
if( ret != 0 )
requested_service->get_function_buffer[ret] = '\0';
else
{
pthread_mutex_unlock( requested_service->mutex );
ret = send_error(connection, MHD_HTTP_INTERNAL_SERVER_ERROR);
Log (HPD_LOG_ONLY_REQUESTS, NULL, IP, method, url, NULL);
return ret;
}
xmlbuff = get_xml_value (requested_service->get_function_buffer);
pthread_mutex_unlock(requested_service->mutex);
send_event_of_value_change (requested_service, requested_service->get_function_buffer);
ret = send_xml (connection, xmlbuff);
Log (HPD_LOG_ONLY_REQUESTS, NULL, IP, method, url, NULL);
return ret;
}
else
{
pthread_mutex_unlock(requested_service->mutex);
ret = send_error(connection, MHD_HTTP_BAD_REQUEST);
Log (HPD_LOG_ONLY_REQUESTS, NULL, IP, method, url, NULL);
return ret;
}
}
else
return send_error (connection, MHD_HTTP_NOT_FOUND);
}
}
return MHD_NO;
}
static int cws_response (void * cls, struct MHD_Connection * connection, const char * url,
const char * method, const char * version,
const char * upload_data, size_t * upload_data_size, void ** ptr)
{
int ret = MHD_NO;
static int dummy;
const char *webfile;
char *page;
char *basedir = ((cws_conn *) cls)->basedir;
cws_astring *pathfile;
struct MHD_Response *response;
cws_handler *hdlr = ((cws_conn *) cls)->hdlr;
const union MHD_ConnectionInfo *info;
/*
if (0 != strcmp(method, "GET")) return MHD_NO;
*/
webfile = url;
if (&dummy != *ptr)
{
*ptr = &dummy;
return MHD_YES;
}
*ptr = NULL;
response = NULL;
if (0 != *upload_data_size)
{
cws_handler *h = cws_handler_lookup (hdlr, webfile);
if (h != NULL)
{
cws_dict *dict = NULL;
struct MHD_PostProcessor *pp = MHD_create_post_processor(connection, 65536,
post_processor,
&dict);
MHD_post_process(pp, upload_data, *upload_data_size);
MHD_destroy_post_processor(pp);
page = h->f(dict);
printf("Page: %s\n", page);
response = MHD_create_response_from_data (strlen (page), page, MHD_NO, MHD_YES);
if (response)
{
printf("sending response\n");
MHD_add_response_header (response, "Content-Type", h->mimetype);
ret = MHD_queue_response(connection, MHD_HTTP_OK, response);
printf("if? %d\n", ret == MHD_YES ? 1 : 0);
}
MHD_destroy_response (response);
free (page);
cws_dict_free (&dict);
}
return MHD_NO;
}
info = MHD_get_connection_info (connection, MHD_CONNECTION_INFO_CLIENT_ADDRESS);
log_connections (inet_ntoa(((struct sockaddr_in *) info->client_addr)->sin_addr), url);
if (strcmp (webfile, "/") == 0) webfile = "/index.html";
pathfile = cws_astring_new(basedir);
cws_astring_cat(pathfile, webfile);
if (access (CWS_ASTRING(pathfile), F_OK) != -1)
{
int fd = open (CWS_ASTRING(pathfile), O_RDONLY);
struct stat sbuf;
fstat (fd, &sbuf);
response = MHD_create_response_from_fd (sbuf.st_size, fd);
MHD_add_response_header (response, "Content-Type", cws_mime_type(CWS_ASTRING(pathfile)));
}
else
{
cws_handler *h = cws_handler_lookup (hdlr, webfile);
if (h != NULL)
{
cws_dict *dict = NULL;
MHD_get_connection_values (connection, MHD_GET_ARGUMENT_KIND, get_keys, &dict);
page = h->f(dict);
response = MHD_create_response_from_data (strlen (page), page, MHD_NO, MHD_YES);
MHD_add_response_header (response, "Content-Type", h->mimetype);
free (page);
cws_dict_free (&dict);
}
else
{
response = MHD_create_response_from_data (strlen (ERROR_ANSWER), ERROR_ANSWER, MHD_NO, MHD_YES);
MHD_add_response_header (response, "Content-Type", cws_mime_type("html"));
}
}
if (response != NULL)
{
ret = MHD_queue_response(connection, MHD_HTTP_OK, response);
MHD_destroy_response (response);
}
cws_astring_free(pathfile);
return ret;
}
