38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * nanohttp.c: minimalist HTTP GET implementation to fetch external subsets.
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * focuses on size, streamability, reentrancy and portability
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * This is clearly not a general purpose HTTP implementation
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * If you look for one, check:
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * See Copyright for the status of this software.
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * daniel@veillard.com
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync#include <libxml/parser.h> /* for xmlStr(n)casecmp() */
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * A couple portability macros
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync#define xmlStrncasecmp(a, b, n) strncasecmp((char *)a, (char *)b, n)
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync#define xmlStrcasecmpi(a, b) strcasecmp((char *)a, (char *)b)
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync SOCKET fd; /* the file descriptor for the socket */
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync char *inptr; /* the next byte to read from network */
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync char *inrptr; /* the next byte to give back to the client */
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync int ContentLength; /* specified content length from HTTP header */
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync char *contentType; /* the MIME type for the input */
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync char *location; /* the new URL in case of redirect */
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync char *authHeader; /* contents of {WWW,Proxy}-Authenticate header */
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync char *encoding; /* encoding extracted from the contentType */
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync char *mimeType; /* Mime-Type extracted from the contentType */
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync int usesGzip; /* "Content-Encoding: gzip" was detected */
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsyncstatic char *proxy = NULL; /* the proxy name if any */
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsyncstatic unsigned int timeout = 60;/* the select() timeout in seconds */
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsyncstatic int xmlNanoHTTPFetchContent( void * ctx, char ** ptr, int * len );
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * xmlHTTPErrMemory:
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * @extra: extra informations
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * Handle an out of memory condition
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync __xmlSimpleError(XML_FROM_HTTP, XML_ERR_NO_MEMORY, NULL, NULL, extra);
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * A portability function
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync if (s != -1) {
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync return (1);
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync return (0);
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * xmlNanoHTTPInit:
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * Initialize the HTTP protocol layer.
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * Currently it just checks for proxy informations
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * xmlNanoHTTPCleanup:
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * Cleanup the HTTP protocol layer.
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * xmlNanoHTTPScanURL:
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * @ctxt: an HTTP context
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * @URL: The URL used to initialize the context
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * (Re)Initialize an HTTP context by parsing the URL and finding
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * the protocol host port and path it indicates.
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsyncxmlNanoHTTPScanURL(xmlNanoHTTPCtxtPtr ctxt, const char *URL) {
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * Clear any existing data from the context
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync if ((uri->scheme == NULL) || (uri->server == NULL)) {
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * xmlNanoHTTPScanProxy:
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * @URL: The proxy URL used to initialize the proxy context
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * (Re)Initialize the HTTP Proxy context by parsing the URL and finding
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * the protocol host port it indicates.
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * Should be like http://myproxy/ or http://myproxy:3128/
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * A NULL URL cleans up proxy informations.
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync "Removing HTTP proxy info\n");
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync (strcmp(uri->scheme, "http")) || (uri->server == NULL)) {
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync __xmlIOErr(XML_FROM_HTTP, XML_HTTP_URL_SYNTAX, "Syntax Error\n");
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * xmlNanoHTTPNewCtxt:
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * @URL: The URL used to initialize the context
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * Allocate and initialize a new HTTP context.
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * Returns an HTTP context or NULL in case of error.
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync ret = (xmlNanoHTTPCtxtPtr) xmlMalloc(sizeof(xmlNanoHTTPCtxt));
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * xmlNanoHTTPFreeCtxt:
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * @ctxt: an HTTP context
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * Frees the context after closing the connection.
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync if (ctxt->hostname != NULL) xmlFree(ctxt->hostname);
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync if (ctxt->protocol != NULL) xmlFree(ctxt->protocol);
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync if (ctxt->contentType != NULL) xmlFree(ctxt->contentType);
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync if (ctxt->encoding != NULL) xmlFree(ctxt->encoding);
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync if (ctxt->mimeType != NULL) xmlFree(ctxt->mimeType);
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync if (ctxt->location != NULL) xmlFree(ctxt->location);
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync if (ctxt->authHeader != NULL) xmlFree(ctxt->authHeader);
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * xmlNanoHTTPSend:
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * @ctxt: an HTTP context
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * Send the input needed to initiate the processing on the server side
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * Returns number of bytes sent or -1 on error.
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsyncxmlNanoHTTPSend(xmlNanoHTTPCtxtPtr ctxt, const char * xmt_ptr, int outlen) {
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync if ( (ctxt->state & XML_NANO_HTTP_WRITE) && (xmt_ptr != NULL ) ) {
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync ** No data sent
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync ** Since non-blocking sockets are used, wait for
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync ** socket to be writable or default timeout prior
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync ** to retrying.
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync (void)select( ctxt->fd + 1, NULL, &wfd, NULL, &tv );
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * xmlNanoHTTPRecv:
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * @ctxt: an HTTP context
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * Read information coming from the HTTP connection.
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * This is a blocking call (but it blocks in select(), not read()).
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * Returns the number of byte read or -1 in case of error.
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync ctxt->in = (char *) xmlMallocAtomic(65000 * sizeof(char));
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync return(-1);
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync ctxt->inptr = ctxt->content = ctxt->inrptr = ctxt->in;
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync if (ctxt->inrptr > ctxt->in + XML_NANO_HTTP_CHUNK) {
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync if ((ctxt->in + ctxt->inlen) < (ctxt->inptr + XML_NANO_HTTP_CHUNK)) {
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync ctxt->in = (char *) xmlRealloc(tmp_ptr, ctxt->inlen);
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync return(-1);
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync ctxt->last = recv(ctxt->fd, ctxt->inptr, XML_NANO_HTTP_CHUNK, 0);
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync return ( 0 );
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync return(-1);
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * xmlNanoHTTPReadLine:
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * @ctxt: an HTTP context
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * Read one line in the HTTP server output, usually for extracting
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * the HTTP protocol informations from the answer header.
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * Returns a newly allocated string with a copy of the line, or NULL
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * which indicate the end of the input.
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsyncstatic char *
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync return ( NULL );
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * xmlNanoHTTPScanAnswer:
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * @ctxt: an HTTP context
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * @line: an HTTP header line
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * Try to extract useful informations from the server answer.
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * We currently parse and process:
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * - The HTTP revision/ return code
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * - The Content-Type, Mime-Type and charset used
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * - The Location for redirect processing.
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * Returns -1 in case of failure, the file descriptor number otherwise
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsyncxmlNanoHTTPScanAnswer(xmlNanoHTTPCtxtPtr ctxt, const char *line) {
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync if ((*cur != 0) && (*cur != ' ') && (*cur != '\t')) return;
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync } else if (!xmlStrncasecmp(BAD_CAST line, BAD_CAST"Content-Type:", 13)) {
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync while ((*last != 0) && (*last != ' ') && (*last != '\t') &&
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync ctxt->mimeType = (char *) xmlStrndup(mime, last - mime);
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync charset = xmlStrstr(BAD_CAST ctxt->contentType, BAD_CAST "charset=");
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync while ((*last != 0) && (*last != ' ') && (*last != '\t') &&
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync ctxt->encoding = (char *) xmlStrndup(charset, last - charset);
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync } else if (!xmlStrncasecmp(BAD_CAST line, BAD_CAST"ContentType:", 12)) {
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync while ((*last != 0) && (*last != ' ') && (*last != '\t') &&
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync ctxt->mimeType = (char *) xmlStrndup(mime, last - mime);
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync charset = xmlStrstr(BAD_CAST ctxt->contentType, BAD_CAST "charset=");
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync while ((*last != 0) && (*last != ' ') && (*last != '\t') &&
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync ctxt->encoding = (char *) xmlStrndup(charset, last - charset);
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync } else if (!xmlStrncasecmp(BAD_CAST line, BAD_CAST"Location:", 9)) {
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync xmlStrcat(tmp_http, (const xmlChar *) ctxt->hostname);
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync (char *) xmlStrcat (tmp_loc, (const xmlChar *) cur);
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync } else if (!xmlStrncasecmp(BAD_CAST line, BAD_CAST"WWW-Authenticate:", 17)) {
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync } else if (!xmlStrncasecmp(BAD_CAST line, BAD_CAST"Proxy-Authenticate:", 19)) {
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync } else if ( !xmlStrncasecmp( BAD_CAST line, BAD_CAST"Content-Encoding:", 17) ) {
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync if ( !xmlStrncasecmp( BAD_CAST cur, BAD_CAST"gzip", 4) ) {
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync } else if ( !xmlStrncasecmp( BAD_CAST line, BAD_CAST"Content-Length:", 15) ) {
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * xmlNanoHTTPConnectAttempt:
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * @addr: a socket address structure
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * Attempt a connection to the given IP:port endpoint. It forces
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * non-blocking semantic on the socket, and allow 60 seconds for
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * the host to answer.
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * Returns -1 in case of failure, the file descriptor number otherwise
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync if (s==-1) {
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync return(-1);
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync status = ioctlsocket(s, FIONBIO, &one) == SOCKET_ERROR ? -1 : 0;
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync#else /* _WINSOCKAPI_ */
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync#if defined(VMS)
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync#else /* VMS */
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync status = setsockopt(s, SOL_SOCKET, SO_NONBLOCK, &noblock, sizeof(noblock));
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync#else /* __BEOS__ */
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync#else /* O_NONBLOCK */
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync#endif /* F_NDELAY */
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync#endif /* !O_NONBLOCK */
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync __xmlIOErr(XML_FROM_HTTP, 0, "error setting non-blocking IO\n");
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync return(-1);
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync#endif /* !__BEOS__ */
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync#endif /* !VMS */
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync#endif /* !_WINSOCKAPI_ */
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync __xmlIOErr(XML_FROM_HTTP, 0, "error connecting to HTTP server");
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync return(-1);
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync /* Time out */
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync __xmlIOErr(XML_FROM_HTTP, 0, "Connect attempt timed out");
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync return(-1);
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync /* Ermm.. ?? */
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync return(-1);
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync if (getsockopt(s, SOL_SOCKET, SO_ERROR, (char*)&status, &len) < 0 ) {
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync /* Solaris error code */
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync __xmlIOErr(XML_FROM_HTTP, 0, "getsockopt failed\n");
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync return (-1);
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync __xmlIOErr(XML_FROM_HTTP, 0, "Error connecting to remote host");
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync return (-1);
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync return (-1);
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * xmlNanoHTTPConnectHost:
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * @host: the host name
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * @port: the port number
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * Attempt a connection to the given host:port endpoint. It tries
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * the multiple IP provided by the DNS if available.
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * Returns -1 in case of failure, the file descriptor number otherwise
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync#if !defined(HAVE_GETADDRINFO) && defined(SUPPORT_IP6) && defined(RES_USE_INET6)
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync#if defined(HAVE_GETADDRINFO) && defined(SUPPORT_IP6) && !defined(_WIN32)
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync#if defined(HAVE_GETADDRINFO) && (defined(SUPPORT_IP6) || defined(_WIN32))
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync status = getaddrinfo (host, NULL, &hints, &result);
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync __xmlIOErr(XML_FROM_HTTP, 0, "getaddrinfo failed\n");
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync return (-1);
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync __xmlIOErr(XML_FROM_HTTP, 0, "address size mismatch\n");
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync return (-1);
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync } else if (have_ipv6 () && (res->ai_family == AF_INET6)) {
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync __xmlIOErr(XML_FROM_HTTP, 0, "address size mismatch\n");
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync return (-1);
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync continue; /* for */
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync if (s != -1) {
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync return (s);
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync#if defined(HAVE_GETADDRINFO) && defined(SUPPORT_IP6) && !defined(_WIN32)
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync if (h == NULL) {
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * Okay, I got fed up by the non-portability of this error message
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * extraction code. it work on Linux, if it work on your platform
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * and one want to enable it, send me the defined(foobar) needed
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync#if defined(HAVE_NETDB_H) && defined(HOST_NOT_FOUND) && defined(linux)
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync "Non-authoritive host not found or server failure.";
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync "Non-recoverable errors: FORMERR, REFUSED, or NOTIMP.";
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync "Valid name, no data record of requested type.";
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync __xmlIOErr(XML_FROM_HTTP, 0, "Failed to resolve host");
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync return (-1);
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync for (i = 0; h->h_addr_list[i]; i++) {
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync /* A records (IPv4) */
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync __xmlIOErr(XML_FROM_HTTP, 0, "address size mismatch\n");
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync return (-1);
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync sockin.sin_port = (u_short)htons ((unsigned short)port);
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync } else if (have_ipv6 () && (h->h_addrtype == AF_INET6)) {
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync /* AAAA records (IPv6) */
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync __xmlIOErr(XML_FROM_HTTP, 0, "address size mismatch\n");
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync return (-1);
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync break; /* for */
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync if (s != -1)
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync return (s);
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync "xmlNanoHTTPConnectHost: unable to connect to '%s'.\n",
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync return (-1);
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * xmlNanoHTTPOpen:
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * @URL: The URL to load
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * @contentType: if available the Content-Type information will be
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * returned at that location
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * This function try to open a connection to the indicated resource
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * via HTTP GET.
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * Returns NULL in case of failure, otherwise a request handler.
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * The contentType, if provided must be freed by the caller
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsyncxmlNanoHTTPOpen(const char *URL, char **contentType) {
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync return(xmlNanoHTTPMethod(URL, NULL, NULL, contentType, NULL, 0));
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * xmlNanoHTTPOpenRedir:
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * @URL: The URL to load
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * @contentType: if available the Content-Type information will be
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * returned at that location
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * @redir: if available the redirected URL will be returned
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * This function try to open a connection to the indicated resource
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * via HTTP GET.
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * Returns NULL in case of failure, otherwise a request handler.
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * The contentType, if provided must be freed by the caller
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsyncxmlNanoHTTPOpenRedir(const char *URL, char **contentType, char **redir) {
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync return(xmlNanoHTTPMethodRedir(URL, NULL, NULL, contentType, redir, NULL,0));
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * xmlNanoHTTPRead:
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * @ctx: the HTTP context
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * @dest: a buffer
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * @len: the buffer length
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * This function tries to read @len bytes from the existing HTTP connection
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * and saves them in @dest. This is a blocking call.
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * Returns the number of byte read. 0 is an indication of an end of connection.
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * -1 indicates a parameter error.
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync xmlNanoHTTPCtxtPtr ctxt = (xmlNanoHTTPCtxtPtr) ctx;
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync if (len <= 0) return(0);
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync (ctxt->strm->avail_in > 0 || xmlNanoHTTPRecv(ctxt) > 0)) {
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync ctxt->strm->next_in = BAD_CAST (ctxt->inrptr + bytes_read);
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync bytes_read += orig_avail_in - ctxt->strm->avail_in;
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * xmlNanoHTTPClose:
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * @ctx: the HTTP context
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * This function closes an HTTP context, it ends up the connection and
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * free all data related to it.
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync xmlNanoHTTPCtxtPtr ctxt = (xmlNanoHTTPCtxtPtr) ctx;
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * xmlNanoHTTPMethodRedir:
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * @URL: The URL to load
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * @method: the HTTP method to use
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * @input: the input string if any
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * @contentType: the Content-Type information IN and OUT
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * @redir: the redirected URL OUT
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * @headers: the extra headers
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * @ilen: input length
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * This function try to open a connection to the indicated resource
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * via HTTP using the given @method, adding the given extra headers
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * and the input buffer for the request content.
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * Returns NULL in case of failure, otherwise a request handler.
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * The contentType, or redir, if provided must be freed by the caller
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsyncxmlNanoHTTPMethodRedir(const char *URL, const char *method, const char *input,
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync return ( NULL );
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync if ((ctxt->protocol == NULL) || (strcmp(ctxt->protocol, "http"))) {
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync __xmlIOErr(XML_FROM_HTTP, XML_HTTP_URL_SYNTAX, "Not a valid HTTP URI");
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync "Failed to identify host in URI");
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync ret = xmlNanoHTTPConnectHost(ctxt->hostname, ctxt->port);
750a460541832b63ec5de36374a749782ea2c9bcvboxsync /* reserve for string plus 'Content-Type: \r\n" */
750a460541832b63ec5de36374a749782ea2c9bcvboxsync /* 1 for '?' */
750a460541832b63ec5de36374a749782ea2c9bcvboxsync /* reserve for possible 'Accept-Encoding: gzip' string */
750a460541832b63ec5de36374a749782ea2c9bcvboxsync /* reserve space for ':xxxxx', incl. potential proxy */
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync return ( NULL );
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync p += snprintf( p, blen - (p - bp), "%s http://%s:%d%s",
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync p += snprintf( p, blen - (p - bp), "%s http://%s%s", method,
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync p += snprintf( p, blen - (p - bp), "%s %s", method, ctxt->path);
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync p += snprintf( p, blen - (p - bp), "?%s", ctxt->query);
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync p += snprintf( p, blen - (p - bp), " HTTP/1.0\r\nHost: %s\r\n",
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync p += snprintf( p, blen - (p - bp), " HTTP/1.0\r\nHost: %s:%d\r\n",
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync p += snprintf(p, blen - (p - bp), "Accept-Encoding: gzip\r\n");
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync p += snprintf(p, blen - (p - bp), "Content-Type: %s\r\n", *contentType);
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync p += snprintf( p, blen - (p - bp), "%s", headers );
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync snprintf(p, blen - (p - bp), "Content-Length: %d\r\n\r\n", ilen );
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync xmt_bytes = xmlNanoHTTPSend(ctxt, ctxt->out, blen );
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync "xmlNanoHTTPMethodRedir: Only %d of %d %s %s\n",
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync "bytes of HTTP headers sent to host",
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync "xmlNanoHTTPMethodRedir: Only %d of %d %s %s\n",
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync "bytes of HTTP content sent to host",
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync if (head && (*p == 0)) {
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync xmlGenericError(xmlGenericErrorContext, "<- %s\n", p);
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync if ((ctxt->location != NULL) && (ctxt->returnValue >= 300) &&
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync "xmlNanoHTTPMethodRedir: Too many redirects, aborting ...\n");
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync "\nCode %d, content-type '%s'\n\n",
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync "\nCode %d, no content-type\n\n",
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync return((void *) ctxt);
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * xmlNanoHTTPMethod:
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * @URL: The URL to load
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * @method: the HTTP method to use
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * @input: the input string if any
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * @contentType: the Content-Type information IN and OUT
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * @headers: the extra headers
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * @ilen: input length
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * This function try to open a connection to the indicated resource
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * via HTTP using the given @method, adding the given extra headers
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * and the input buffer for the request content.
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * Returns NULL in case of failure, otherwise a request handler.
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * The contentType, if provided must be freed by the caller
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsyncxmlNanoHTTPMethod(const char *URL, const char *method, const char *input,
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync char **contentType, const char *headers, int ilen) {
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync return(xmlNanoHTTPMethodRedir(URL, method, input, contentType,
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * xmlNanoHTTPFetch:
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * @URL: The URL to load
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * @filename: the filename where the content should be saved
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * @contentType: if available the Content-Type information will be
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * returned at that location
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * This function try to fetch the indicated resource via HTTP GET
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * and save it's content in the file.
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * Returns -1 in case of failure, 0 incase of success. The contentType,
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * if provided must be freed by the caller
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsyncxmlNanoHTTPFetch(const char *URL, const char *filename, char **contentType) {
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync if ((contentType != NULL) && (*contentType != NULL)) {
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync return(-1);
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync if ( len > 0 ) {
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * xmlNanoHTTPSave:
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * @ctxt: the HTTP context
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * @filename: the filename where the content should be saved
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * This function saves the output of the HTTP transaction to a file
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * It closes and free the context at the end
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * Returns -1 in case of failure, 0 incase of success.
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync if ((ctxt == NULL) || (filename == NULL)) return(-1);
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync return(-1);
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync if ( len > 0 ) {
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync#endif /* LIBXML_OUTPUT_ENABLED */
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * xmlNanoHTTPReturnCode:
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * @ctx: the HTTP context
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * Get the latest HTTP return code received
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * Returns the HTTP return code for the request.
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync xmlNanoHTTPCtxtPtr ctxt = (xmlNanoHTTPCtxtPtr) ctx;
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * xmlNanoHTTPAuthHeader:
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * @ctx: the HTTP context
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * Get the authentication header of an HTTP context
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * Returns the stashed value of the WWW-Authenticate or Proxy-Authenticate
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsyncconst char *
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync xmlNanoHTTPCtxtPtr ctxt = (xmlNanoHTTPCtxtPtr) ctx;
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * xmlNanoHTTPContentLength:
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * @ctx: the HTTP context
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * Provides the specified content length from the HTTP header.
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * Return the specified content length from the HTTP header. Note that
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * a value of -1 indicates that the content length element was not included in
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * the response header.
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync return ( ( ctxt == NULL ) ? -1 : ctxt->ContentLength );
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * xmlNanoHTTPRedir:
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * @ctx: the HTTP context
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * Provides the specified redirection URL if available from the HTTP header.
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * Return the specified redirection URL or NULL if not redirected.
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsyncconst char *
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync return ( ( ctxt == NULL ) ? NULL : ctxt->location );
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * xmlNanoHTTPEncoding:
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * @ctx: the HTTP context
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * Provides the specified encoding if specified in the HTTP headers.
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * Return the specified encoding or NULL if not available
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsyncconst char *
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync return ( ( ctxt == NULL ) ? NULL : ctxt->encoding );
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * xmlNanoHTTPMimeType:
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * @ctx: the HTTP context
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * Provides the specified Mime-Type if specified in the HTTP headers.
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * Return the specified Mime-Type or NULL if not available
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsyncconst char *
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync return ( ( ctxt == NULL ) ? NULL : ctxt->mimeType );
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * xmlNanoHTTPFetchContent:
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * @ctx: the HTTP context
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * @ptr: pointer to set to the content buffer.
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * @len: integer pointer to hold the length of the content
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * Check if all the content was read
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * Returns 0 if all the content was read and available, returns
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * -1 if received content length was less than specified or an error
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync * occurred.
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsyncxmlNanoHTTPFetchContent( void * ctx, char ** ptr, int * len ) {
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync /* Dummy up return input parameters if not provided */
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync /* But can't work without the context pointer */
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync if ( ( ctxt == NULL ) || ( ctxt->content == NULL ) ) {
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync return ( -1 );
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync while ( (cur_lgth = xmlNanoHTTPRecv( ctxt )) > 0 ) {
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync if ( (ctxt->ContentLength > 0) && (rcvd_lgth >= ctxt->ContentLength) )
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync if ( ( ctxt->ContentLength > 0 ) && ( rcvd_lgth < ctxt->ContentLength ) )
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync else if ( rcvd_lgth == 0 )
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync return ( rc );
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync#endif /* STANDALONE */
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync#else /* !LIBXML_HTTP_ENABLED */
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync#endif /* STANDALONE */
38ae7e4efe803ea78b6499cd05a394db32623e41vboxsync#endif /* LIBXML_HTTP_ENABLED */