+++ /dev/null
-/*
- * nanoftp.c: basic FTP client support
- *
- * Reference: RFC 959
- */
-
-#ifdef TESTING
-#define STANDALONE
-#define HAVE_STDLIB_H
-#define HAVE_UNISTD_H
-#define HAVE_SYS_SOCKET_H
-#define HAVE_NETINET_IN_H
-#define HAVE_NETDB_H
-#define HAVE_SYS_TIME_H
-#else /* TESTING */
-#define NEED_SOCKETS
-#endif /* TESTING */
-
-#define IN_LIBXML
-#include "libxml.h"
-
-#ifdef LIBXML_FTP_ENABLED
-#include <string.h>
-
-#ifdef HAVE_STDLIB_H
-#include <stdlib.h>
-#endif
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-#ifdef HAVE_SYS_SOCKET_H
-#include <sys/socket.h>
-#endif
-#ifdef HAVE_NETINET_IN_H
-#include <netinet/in.h>
-#endif
-#ifdef HAVE_ARPA_INET_H
-#include <arpa/inet.h>
-#endif
-#ifdef HAVE_NETDB_H
-#include <netdb.h>
-#endif
-#ifdef HAVE_FCNTL_H
-#include <fcntl.h>
-#endif
-#ifdef HAVE_ERRNO_H
-#include <errno.h>
-#endif
-#ifdef HAVE_SYS_TIME_H
-#include <sys/time.h>
-#endif
-#ifdef HAVE_SYS_SELECT_H
-#include <sys/select.h>
-#endif
-#ifdef HAVE_SYS_SOCKET_H
-#include <sys/socket.h>
-#endif
-#ifdef HAVE_SYS_TYPES_H
-#include <sys/types.h>
-#endif
-#ifdef HAVE_STRINGS_H
-#include <strings.h>
-#endif
-
-#include <libxml/xmlmemory.h>
-#include <libxml/parser.h>
-#include <libxml/xmlerror.h>
-#include <libxml/uri.h>
-#include <libxml/nanoftp.h>
-#include <libxml/globals.h>
-
-/* #define DEBUG_FTP 1 */
-#ifdef STANDALONE
-#ifndef DEBUG_FTP
-#define DEBUG_FTP 1
-#endif
-#endif
-
-
-#if defined(__MINGW32__) || defined(_WIN32_WCE)
-#ifndef _WINSOCKAPI_
-#define _WINSOCKAPI_
-#endif
-#include <wsockcompat.h>
-#include <winsock2.h>
-#undef XML_SOCKLEN_T
-#define XML_SOCKLEN_T unsigned int
-#endif
-
-/**
- * A couple portability macros
- */
-#ifndef _WINSOCKAPI_
-#if !defined(__BEOS__) || defined(__HAIKU__)
-#define closesocket(s) close(s)
-#endif
-#endif
-
-#ifdef __BEOS__
-#ifndef PF_INET
-#define PF_INET AF_INET
-#endif
-#endif
-
-#ifdef _AIX
-#ifdef HAVE_BROKEN_SS_FAMILY
-#define ss_family __ss_family
-#endif
-#endif
-
-#ifndef XML_SOCKLEN_T
-#define XML_SOCKLEN_T unsigned int
-#endif
-
-#define FTP_COMMAND_OK 200
-#define FTP_SYNTAX_ERROR 500
-#define FTP_GET_PASSWD 331
-#define FTP_BUF_SIZE 1024
-
-#define XML_NANO_MAX_URLBUF 4096
-
-typedef struct xmlNanoFTPCtxt {
- char *protocol; /* the protocol name */
- char *hostname; /* the host name */
- int port; /* the port */
- char *path; /* the path within the URL */
- char *user; /* user string */
- char *passwd; /* passwd string */
-#ifdef SUPPORT_IP6
- struct sockaddr_storage ftpAddr; /* this is large enough to hold IPv6 address*/
-#else
- struct sockaddr_in ftpAddr; /* the socket address struct */
-#endif
- int passive; /* currently we support only passive !!! */
- SOCKET controlFd; /* the file descriptor for the control socket */
- SOCKET dataFd; /* the file descriptor for the data socket */
- int state; /* WRITE / READ / CLOSED */
- int returnValue; /* the protocol return value */
- /* buffer for data received from the control connection */
- char controlBuf[FTP_BUF_SIZE + 1];
- int controlBufIndex;
- int controlBufUsed;
- int controlBufAnswer;
-} xmlNanoFTPCtxt, *xmlNanoFTPCtxtPtr;
-
-static int initialized = 0;
-static char *proxy = NULL; /* the proxy name if any */
-static int proxyPort = 0; /* the proxy port if any */
-static char *proxyUser = NULL; /* user for proxy authentication */
-static char *proxyPasswd = NULL;/* passwd for proxy authentication */
-static int proxyType = 0; /* uses TYPE or a@b ? */
-
-#ifdef SUPPORT_IP6
-static
-int have_ipv6(void) {
- int s;
-
- s = socket (AF_INET6, SOCK_STREAM, 0);
- if (s != -1) {
- close (s);
- return (1);
- }
- return (0);
-}
-#endif
-
-/**
- * xmlFTPErrMemory:
- * @extra: extra informations
- *
- * Handle an out of memory condition
- */
-static void
-xmlFTPErrMemory(const char *extra)
-{
- __xmlSimpleError(XML_FROM_FTP, XML_ERR_NO_MEMORY, NULL, NULL, extra);
-}
-
-/**
- * xmlNanoFTPInit:
- *
- * Initialize the FTP protocol layer.
- * Currently it just checks for proxy informations,
- * and get the hostname
- */
-
-void
-xmlNanoFTPInit(void) {
- const char *env;
-#ifdef _WINSOCKAPI_
- WSADATA wsaData;
-#endif
-
- if (initialized)
- return;
-
-#ifdef _WINSOCKAPI_
- if (WSAStartup(MAKEWORD(1, 1), &wsaData) != 0)
- return;
-#endif
-
- proxyPort = 21;
- env = getenv("no_proxy");
- if (env && ((env[0] == '*' ) && (env[1] == 0)))
- return;
- env = getenv("ftp_proxy");
- if (env != NULL) {
- xmlNanoFTPScanProxy(env);
- } else {
- env = getenv("FTP_PROXY");
- if (env != NULL) {
- xmlNanoFTPScanProxy(env);
- }
- }
- env = getenv("ftp_proxy_user");
- if (env != NULL) {
- proxyUser = xmlMemStrdup(env);
- }
- env = getenv("ftp_proxy_password");
- if (env != NULL) {
- proxyPasswd = xmlMemStrdup(env);
- }
- initialized = 1;
-}
-
-/**
- * xmlNanoFTPCleanup:
- *
- * Cleanup the FTP protocol layer. This cleanup proxy informations.
- */
-
-void
-xmlNanoFTPCleanup(void) {
- if (proxy != NULL) {
- xmlFree(proxy);
- proxy = NULL;
- }
- if (proxyUser != NULL) {
- xmlFree(proxyUser);
- proxyUser = NULL;
- }
- if (proxyPasswd != NULL) {
- xmlFree(proxyPasswd);
- proxyPasswd = NULL;
- }
-#ifdef _WINSOCKAPI_
- if (initialized)
- WSACleanup();
-#endif
- initialized = 0;
-}
-
-/**
- * xmlNanoFTPProxy:
- * @host: the proxy host name
- * @port: the proxy port
- * @user: the proxy user name
- * @passwd: the proxy password
- * @type: the type of proxy 1 for using SITE, 2 for USER a@b
- *
- * Setup the FTP proxy informations.
- * This can also be done by using ftp_proxy ftp_proxy_user and
- * ftp_proxy_password environment variables.
- */
-
-void
-xmlNanoFTPProxy(const char *host, int port, const char *user,
- const char *passwd, int type) {
- if (proxy != NULL) {
- xmlFree(proxy);
- proxy = NULL;
- }
- if (proxyUser != NULL) {
- xmlFree(proxyUser);
- proxyUser = NULL;
- }
- if (proxyPasswd != NULL) {
- xmlFree(proxyPasswd);
- proxyPasswd = NULL;
- }
- if (host)
- proxy = xmlMemStrdup(host);
- if (user)
- proxyUser = xmlMemStrdup(user);
- if (passwd)
- proxyPasswd = xmlMemStrdup(passwd);
- proxyPort = port;
- proxyType = type;
-}
-
-/**
- * xmlNanoFTPScanURL:
- * @ctx: an FTP context
- * @URL: The URL used to initialize the context
- *
- * (Re)Initialize an FTP context by parsing the URL and finding
- * the protocol host port and path it indicates.
- */
-
-static void
-xmlNanoFTPScanURL(void *ctx, const char *URL) {
- xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
- xmlURIPtr uri;
-
- /*
- * Clear any existing data from the context
- */
- if (ctxt->protocol != NULL) {
- xmlFree(ctxt->protocol);
- ctxt->protocol = NULL;
- }
- if (ctxt->hostname != NULL) {
- xmlFree(ctxt->hostname);
- ctxt->hostname = NULL;
- }
- if (ctxt->path != NULL) {
- xmlFree(ctxt->path);
- ctxt->path = NULL;
- }
- if (URL == NULL) return;
-
- uri = xmlParseURIRaw(URL, 1);
- if (uri == NULL)
- return;
-
- if ((uri->scheme == NULL) || (uri->server == NULL)) {
- xmlFreeURI(uri);
- return;
- }
-
- ctxt->protocol = xmlMemStrdup(uri->scheme);
- ctxt->hostname = xmlMemStrdup(uri->server);
- if (uri->path != NULL)
- ctxt->path = xmlMemStrdup(uri->path);
- else
- ctxt->path = xmlMemStrdup("/");
- if (uri->port != 0)
- ctxt->port = uri->port;
-
- if (uri->user != NULL) {
- char *cptr;
- if ((cptr=strchr(uri->user, ':')) == NULL)
- ctxt->user = xmlMemStrdup(uri->user);
- else {
- ctxt->user = (char *)xmlStrndup((xmlChar *)uri->user,
- (cptr - uri->user));
- ctxt->passwd = xmlMemStrdup(cptr+1);
- }
- }
-
- xmlFreeURI(uri);
-
-}
-
-/**
- * xmlNanoFTPUpdateURL:
- * @ctx: an FTP context
- * @URL: The URL used to update the context
- *
- * Update an FTP context by parsing the URL and finding
- * new path it indicates. If there is an error in the
- * protocol, hostname, port or other information, the
- * error is raised. It indicates a new connection has to
- * be established.
- *
- * Returns 0 if Ok, -1 in case of error (other host).
- */
-
-int
-xmlNanoFTPUpdateURL(void *ctx, const char *URL) {
- xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
- xmlURIPtr uri;
-
- if (URL == NULL)
- return(-1);
- if (ctxt == NULL)
- return(-1);
- if (ctxt->protocol == NULL)
- return(-1);
- if (ctxt->hostname == NULL)
- return(-1);
-
- uri = xmlParseURIRaw(URL, 1);
- if (uri == NULL)
- return(-1);
-
- if ((uri->scheme == NULL) || (uri->server == NULL)) {
- xmlFreeURI(uri);
- return(-1);
- }
- if ((strcmp(ctxt->protocol, uri->scheme)) ||
- (strcmp(ctxt->hostname, uri->server)) ||
- ((uri->port != 0) && (ctxt->port != uri->port))) {
- xmlFreeURI(uri);
- return(-1);
- }
-
- if (uri->port != 0)
- ctxt->port = uri->port;
-
- if (ctxt->path != NULL) {
- xmlFree(ctxt->path);
- ctxt->path = NULL;
- }
-
- if (uri->path == NULL)
- ctxt->path = xmlMemStrdup("/");
- else
- ctxt->path = xmlMemStrdup(uri->path);
-
- xmlFreeURI(uri);
-
- return(0);
-}
-
-/**
- * xmlNanoFTPScanProxy:
- * @URL: The proxy URL used to initialize the proxy context
- *
- * (Re)Initialize the FTP Proxy context by parsing the URL and finding
- * the protocol host port it indicates.
- * Should be like ftp://myproxy/ or ftp://myproxy:3128/
- * A NULL URL cleans up proxy informations.
- */
-
-void
-xmlNanoFTPScanProxy(const char *URL) {
- xmlURIPtr uri;
-
- if (proxy != NULL) {
- xmlFree(proxy);
- proxy = NULL;
- }
- proxyPort = 0;
-
-#ifdef DEBUG_FTP
- if (URL == NULL)
- xmlGenericError(xmlGenericErrorContext,
- "Removing FTP proxy info\n");
- else
- xmlGenericError(xmlGenericErrorContext,
- "Using FTP proxy %s\n", URL);
-#endif
- if (URL == NULL) return;
-
- uri = xmlParseURIRaw(URL, 1);
- if ((uri == NULL) || (uri->scheme == NULL) ||
- (strcmp(uri->scheme, "ftp")) || (uri->server == NULL)) {
- __xmlIOErr(XML_FROM_FTP, XML_FTP_URL_SYNTAX, "Syntax Error\n");
- if (uri != NULL)
- xmlFreeURI(uri);
- return;
- }
-
- proxy = xmlMemStrdup(uri->server);
- if (uri->port != 0)
- proxyPort = uri->port;
-
- xmlFreeURI(uri);
-}
-
-/**
- * xmlNanoFTPNewCtxt:
- * @URL: The URL used to initialize the context
- *
- * Allocate and initialize a new FTP context.
- *
- * Returns an FTP context or NULL in case of error.
- */
-
-void*
-xmlNanoFTPNewCtxt(const char *URL) {
- xmlNanoFTPCtxtPtr ret;
- char *unescaped;
-
- ret = (xmlNanoFTPCtxtPtr) xmlMalloc(sizeof(xmlNanoFTPCtxt));
- if (ret == NULL) {
- xmlFTPErrMemory("allocating FTP context");
- return(NULL);
- }
-
- memset(ret, 0, sizeof(xmlNanoFTPCtxt));
- ret->port = 21;
- ret->passive = 1;
- ret->returnValue = 0;
- ret->controlBufIndex = 0;
- ret->controlBufUsed = 0;
- ret->controlFd = INVALID_SOCKET;
-
- unescaped = xmlURIUnescapeString(URL, 0, NULL);
- if (unescaped != NULL) {
- xmlNanoFTPScanURL(ret, unescaped);
- xmlFree(unescaped);
- } else if (URL != NULL)
- xmlNanoFTPScanURL(ret, URL);
-
- return(ret);
-}
-
-/**
- * xmlNanoFTPFreeCtxt:
- * @ctx: an FTP context
- *
- * Frees the context after closing the connection.
- */
-
-void
-xmlNanoFTPFreeCtxt(void * ctx) {
- xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
- if (ctxt == NULL) return;
- if (ctxt->hostname != NULL) xmlFree(ctxt->hostname);
- if (ctxt->protocol != NULL) xmlFree(ctxt->protocol);
- if (ctxt->path != NULL) xmlFree(ctxt->path);
- ctxt->passive = 1;
- if (ctxt->controlFd != INVALID_SOCKET) closesocket(ctxt->controlFd);
- ctxt->controlFd = INVALID_SOCKET;
- ctxt->controlBufIndex = -1;
- ctxt->controlBufUsed = -1;
- xmlFree(ctxt);
-}
-
-/**
- * xmlNanoFTPParseResponse:
- * @buf: the buffer containing the response
- * @len: the buffer length
- *
- * Parsing of the server answer, we just extract the code.
- *
- * returns 0 for errors
- * +XXX for last line of response
- * -XXX for response to be continued
- */
-static int
-xmlNanoFTPParseResponse(char *buf, int len) {
- int val = 0;
-
- if (len < 3) return(-1);
- if ((*buf >= '0') && (*buf <= '9'))
- val = val * 10 + (*buf - '0');
- else
- return(0);
- buf++;
- if ((*buf >= '0') && (*buf <= '9'))
- val = val * 10 + (*buf - '0');
- else
- return(0);
- buf++;
- if ((*buf >= '0') && (*buf <= '9'))
- val = val * 10 + (*buf - '0');
- else
- return(0);
- buf++;
- if (*buf == '-')
- return(-val);
- return(val);
-}
-
-/**
- * xmlNanoFTPGetMore:
- * @ctx: an FTP context
- *
- * Read more information from the FTP control connection
- * Returns the number of bytes read, < 0 indicates an error
- */
-static int
-xmlNanoFTPGetMore(void *ctx) {
- xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
- int len;
- int size;
-
- if ((ctxt == NULL) || (ctxt->controlFd == INVALID_SOCKET)) return(-1);
-
- if ((ctxt->controlBufIndex < 0) || (ctxt->controlBufIndex > FTP_BUF_SIZE)) {
-#ifdef DEBUG_FTP
- xmlGenericError(xmlGenericErrorContext,
- "xmlNanoFTPGetMore : controlBufIndex = %d\n",
- ctxt->controlBufIndex);
-#endif
- return(-1);
- }
-
- if ((ctxt->controlBufUsed < 0) || (ctxt->controlBufUsed > FTP_BUF_SIZE)) {
-#ifdef DEBUG_FTP
- xmlGenericError(xmlGenericErrorContext,
- "xmlNanoFTPGetMore : controlBufUsed = %d\n",
- ctxt->controlBufUsed);
-#endif
- return(-1);
- }
- if (ctxt->controlBufIndex > ctxt->controlBufUsed) {
-#ifdef DEBUG_FTP
- xmlGenericError(xmlGenericErrorContext,
- "xmlNanoFTPGetMore : controlBufIndex > controlBufUsed %d > %d\n",
- ctxt->controlBufIndex, ctxt->controlBufUsed);
-#endif
- return(-1);
- }
-
- /*
- * First pack the control buffer
- */
- if (ctxt->controlBufIndex > 0) {
- memmove(&ctxt->controlBuf[0], &ctxt->controlBuf[ctxt->controlBufIndex],
- ctxt->controlBufUsed - ctxt->controlBufIndex);
- ctxt->controlBufUsed -= ctxt->controlBufIndex;
- ctxt->controlBufIndex = 0;
- }
- size = FTP_BUF_SIZE - ctxt->controlBufUsed;
- if (size == 0) {
-#ifdef DEBUG_FTP
- xmlGenericError(xmlGenericErrorContext,
- "xmlNanoFTPGetMore : buffer full %d \n", ctxt->controlBufUsed);
-#endif
- return(0);
- }
-
- /*
- * Read the amount left on the control connection
- */
- if ((len = recv(ctxt->controlFd, &ctxt->controlBuf[ctxt->controlBufIndex],
- size, 0)) < 0) {
- __xmlIOErr(XML_FROM_FTP, 0, "recv failed");
- closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
- ctxt->controlFd = INVALID_SOCKET;
- return(-1);
- }
-#ifdef DEBUG_FTP
- xmlGenericError(xmlGenericErrorContext,
- "xmlNanoFTPGetMore : read %d [%d - %d]\n", len,
- ctxt->controlBufUsed, ctxt->controlBufUsed + len);
-#endif
- ctxt->controlBufUsed += len;
- ctxt->controlBuf[ctxt->controlBufUsed] = 0;
-
- return(len);
-}
-
-/**
- * xmlNanoFTPReadResponse:
- * @ctx: an FTP context
- *
- * Read the response from the FTP server after a command.
- * Returns the code number
- */
-static int
-xmlNanoFTPReadResponse(void *ctx) {
- xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
- char *ptr, *end;
- int len;
- int res = -1, cur = -1;
-
- if ((ctxt == NULL) || (ctxt->controlFd == INVALID_SOCKET)) return(-1);
-
-get_more:
- /*
- * Assumes everything up to controlBuf[controlBufIndex] has been read
- * and analyzed.
- */
- len = xmlNanoFTPGetMore(ctx);
- if (len < 0) {
- return(-1);
- }
- if ((ctxt->controlBufUsed == 0) && (len == 0)) {
- return(-1);
- }
- ptr = &ctxt->controlBuf[ctxt->controlBufIndex];
- end = &ctxt->controlBuf[ctxt->controlBufUsed];
-
-#ifdef DEBUG_FTP
- xmlGenericError(xmlGenericErrorContext,
- "\n<<<\n%s\n--\n", ptr);
-#endif
- while (ptr < end) {
- cur = xmlNanoFTPParseResponse(ptr, end - ptr);
- if (cur > 0) {
- /*
- * Successfully scanned the control code, scratch
- * till the end of the line, but keep the index to be
- * able to analyze the result if needed.
- */
- res = cur;
- ptr += 3;
- ctxt->controlBufAnswer = ptr - ctxt->controlBuf;
- while ((ptr < end) && (*ptr != '\n')) ptr++;
- if (*ptr == '\n') ptr++;
- if (*ptr == '\r') ptr++;
- break;
- }
- while ((ptr < end) && (*ptr != '\n')) ptr++;
- if (ptr >= end) {
- ctxt->controlBufIndex = ctxt->controlBufUsed;
- goto get_more;
- }
- if (*ptr != '\r') ptr++;
- }
-
- if (res < 0) goto get_more;
- ctxt->controlBufIndex = ptr - ctxt->controlBuf;
-#ifdef DEBUG_FTP
- ptr = &ctxt->controlBuf[ctxt->controlBufIndex];
- xmlGenericError(xmlGenericErrorContext, "\n---\n%s\n--\n", ptr);
-#endif
-
-#ifdef DEBUG_FTP
- xmlGenericError(xmlGenericErrorContext, "Got %d\n", res);
-#endif
- return(res / 100);
-}
-
-/**
- * xmlNanoFTPGetResponse:
- * @ctx: an FTP context
- *
- * Get the response from the FTP server after a command.
- * Returns the code number
- */
-
-int
-xmlNanoFTPGetResponse(void *ctx) {
- int res;
-
- res = xmlNanoFTPReadResponse(ctx);
-
- return(res);
-}
-
-/**
- * xmlNanoFTPCheckResponse:
- * @ctx: an FTP context
- *
- * Check if there is a response from the FTP server after a command.
- * Returns the code number, or 0
- */
-
-int
-xmlNanoFTPCheckResponse(void *ctx) {
- xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
- fd_set rfd;
- struct timeval tv;
-
- if ((ctxt == NULL) || (ctxt->controlFd == INVALID_SOCKET)) return(-1);
- tv.tv_sec = 0;
- tv.tv_usec = 0;
- FD_ZERO(&rfd);
- FD_SET(ctxt->controlFd, &rfd);
- switch(select(ctxt->controlFd + 1, &rfd, NULL, NULL, &tv)) {
- case 0:
- return(0);
- case -1:
- __xmlIOErr(XML_FROM_FTP, 0, "select");
- return(-1);
-
- }
-
- return(xmlNanoFTPReadResponse(ctx));
-}
-
-/**
- * Send the user authentication
- */
-
-static int
-xmlNanoFTPSendUser(void *ctx) {
- xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
- char buf[200];
- int len;
- int res;
-
- if (ctxt->user == NULL)
- snprintf(buf, sizeof(buf), "USER anonymous\r\n");
- else
- snprintf(buf, sizeof(buf), "USER %s\r\n", ctxt->user);
- buf[sizeof(buf) - 1] = 0;
- len = strlen(buf);
-#ifdef DEBUG_FTP
- xmlGenericError(xmlGenericErrorContext, "%s", buf);
-#endif
- res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
- if (res < 0) {
- __xmlIOErr(XML_FROM_FTP, 0, "send failed");
- return(res);
- }
- return(0);
-}
-
-/**
- * Send the password authentication
- */
-
-static int
-xmlNanoFTPSendPasswd(void *ctx) {
- xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
- char buf[200];
- int len;
- int res;
-
- if (ctxt->passwd == NULL)
- snprintf(buf, sizeof(buf), "PASS anonymous@\r\n");
- else
- snprintf(buf, sizeof(buf), "PASS %s\r\n", ctxt->passwd);
- buf[sizeof(buf) - 1] = 0;
- len = strlen(buf);
-#ifdef DEBUG_FTP
- xmlGenericError(xmlGenericErrorContext, "%s", buf);
-#endif
- res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
- if (res < 0) {
- __xmlIOErr(XML_FROM_FTP, 0, "send failed");
- return(res);
- }
- return(0);
-}
-
-/**
- * xmlNanoFTPQuit:
- * @ctx: an FTP context
- *
- * Send a QUIT command to the server
- *
- * Returns -1 in case of error, 0 otherwise
- */
-
-
-int
-xmlNanoFTPQuit(void *ctx) {
- xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
- char buf[200];
- int len, res;
-
- if ((ctxt == NULL) || (ctxt->controlFd == INVALID_SOCKET)) return(-1);
-
- snprintf(buf, sizeof(buf), "QUIT\r\n");
- len = strlen(buf);
-#ifdef DEBUG_FTP
- xmlGenericError(xmlGenericErrorContext, "%s", buf); /* Just to be consistent, even though we know it can't have a % in it */
-#endif
- res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
- if (res < 0) {
- __xmlIOErr(XML_FROM_FTP, 0, "send failed");
- return(res);
- }
- return(0);
-}
-
-/**
- * xmlNanoFTPConnect:
- * @ctx: an FTP context
- *
- * Tries to open a control connection
- *
- * Returns -1 in case of error, 0 otherwise
- */
-
-int
-xmlNanoFTPConnect(void *ctx) {
- xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
- struct hostent *hp;
- int port;
- int res;
- int addrlen = sizeof (struct sockaddr_in);
-
- if (ctxt == NULL)
- return(-1);
- if (ctxt->hostname == NULL)
- return(-1);
-
- /*
- * do the blocking DNS query.
- */
- if (proxy) {
- port = proxyPort;
- } else {
- port = ctxt->port;
- }
- if (port == 0)
- port = 21;
-
- memset (&ctxt->ftpAddr, 0, sizeof(ctxt->ftpAddr));
-
-#ifdef SUPPORT_IP6
- if (have_ipv6 ()) {
- struct addrinfo hints, *tmp, *result;
-
- result = NULL;
- memset (&hints, 0, sizeof(hints));
- hints.ai_socktype = SOCK_STREAM;
-
- if (proxy) {
- if (getaddrinfo (proxy, NULL, &hints, &result) != 0) {
- __xmlIOErr(XML_FROM_FTP, 0, "getaddrinfo failed");
- return (-1);
- }
- }
- else
- if (getaddrinfo (ctxt->hostname, NULL, &hints, &result) != 0) {
- __xmlIOErr(XML_FROM_FTP, 0, "getaddrinfo failed");
- return (-1);
- }
-
- for (tmp = result; tmp; tmp = tmp->ai_next)
- if (tmp->ai_family == AF_INET || tmp->ai_family == AF_INET6)
- break;
-
- if (!tmp) {
- if (result)
- freeaddrinfo (result);
- __xmlIOErr(XML_FROM_FTP, 0, "getaddrinfo failed");
- return (-1);
- }
- if (tmp->ai_addrlen > sizeof(ctxt->ftpAddr)) {
- if (result)
- freeaddrinfo (result);
- __xmlIOErr(XML_FROM_FTP, 0, "gethostbyname address mismatch");
- return (-1);
- }
- if (tmp->ai_family == AF_INET6) {
- memcpy (&ctxt->ftpAddr, tmp->ai_addr, tmp->ai_addrlen);
- ((struct sockaddr_in6 *) &ctxt->ftpAddr)->sin6_port = htons (port);
- ctxt->controlFd = socket (AF_INET6, SOCK_STREAM, 0);
- }
- else {
- memcpy (&ctxt->ftpAddr, tmp->ai_addr, tmp->ai_addrlen);
- ((struct sockaddr_in *) &ctxt->ftpAddr)->sin_port = htons (port);
- ctxt->controlFd = socket (AF_INET, SOCK_STREAM, 0);
- }
- addrlen = tmp->ai_addrlen;
- freeaddrinfo (result);
- }
- else
-#endif
- {
- if (proxy)
- hp = gethostbyname (GETHOSTBYNAME_ARG_CAST proxy);
- else
- hp = gethostbyname (GETHOSTBYNAME_ARG_CAST ctxt->hostname);
- if (hp == NULL) {
- __xmlIOErr(XML_FROM_FTP, 0, "gethostbyname failed");
- return (-1);
- }
- if ((unsigned int) hp->h_length >
- sizeof(((struct sockaddr_in *)&ctxt->ftpAddr)->sin_addr)) {
- __xmlIOErr(XML_FROM_FTP, 0, "gethostbyname address mismatch");
- return (-1);
- }
-
- /*
- * Prepare the socket
- */
- ((struct sockaddr_in *)&ctxt->ftpAddr)->sin_family = AF_INET;
- memcpy (&((struct sockaddr_in *)&ctxt->ftpAddr)->sin_addr,
- hp->h_addr_list[0], hp->h_length);
- ((struct sockaddr_in *)&ctxt->ftpAddr)->sin_port =
- (unsigned short)htons ((unsigned short)port);
- ctxt->controlFd = socket (AF_INET, SOCK_STREAM, 0);
- addrlen = sizeof (struct sockaddr_in);
- }
-
- if (ctxt->controlFd == INVALID_SOCKET) {
- __xmlIOErr(XML_FROM_FTP, 0, "socket failed");
- return(-1);
- }
-
- /*
- * Do the connect.
- */
- if (connect(ctxt->controlFd, (struct sockaddr *) &ctxt->ftpAddr,
- addrlen) < 0) {
- __xmlIOErr(XML_FROM_FTP, 0, "Failed to create a connection");
- closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
- ctxt->controlFd = INVALID_SOCKET;
- return(-1);
- }
-
- /*
- * Wait for the HELLO from the server.
- */
- res = xmlNanoFTPGetResponse(ctxt);
- if (res != 2) {
- closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
- ctxt->controlFd = INVALID_SOCKET;
- return(-1);
- }
-
- /*
- * State diagram for the login operation on the FTP server
- *
- * Reference: RFC 959
- *
- * 1
- * +---+ USER +---+------------->+---+
- * | B |---------->| W | 2 ---->| E |
- * +---+ +---+------ | -->+---+
- * | | | | |
- * 3 | | 4,5 | | |
- * -------------- ----- | | |
- * | | | | |
- * | | | | |
- * | --------- |
- * | 1| | | |
- * V | | | |
- * +---+ PASS +---+ 2 | ------>+---+
- * | |---------->| W |------------->| S |
- * +---+ +---+ ---------->+---+
- * | | | | |
- * 3 | |4,5| | |
- * -------------- -------- |
- * | | | | |
- * | | | | |
- * | -----------
- * | 1,3| | | |
- * V | 2| | |
- * +---+ ACCT +---+-- | ----->+---+
- * | |---------->| W | 4,5 -------->| F |
- * +---+ +---+------------->+---+
- *
- * Of course in case of using a proxy this get really nasty and is not
- * standardized at all :-(
- */
- if (proxy) {
- int len;
- char buf[400];
-
- if (proxyUser != NULL) {
- /*
- * We need proxy auth
- */
- snprintf(buf, sizeof(buf), "USER %s\r\n", proxyUser);
- buf[sizeof(buf) - 1] = 0;
- len = strlen(buf);
-#ifdef DEBUG_FTP
- xmlGenericError(xmlGenericErrorContext, "%s", buf);
-#endif
- res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
- if (res < 0) {
- __xmlIOErr(XML_FROM_FTP, 0, "send failed");
- closesocket(ctxt->controlFd);
- ctxt->controlFd = INVALID_SOCKET;
- return(res);
- }
- res = xmlNanoFTPGetResponse(ctxt);
- switch (res) {
- case 2:
- if (proxyPasswd == NULL)
- break;
- case 3:
- if (proxyPasswd != NULL)
- snprintf(buf, sizeof(buf), "PASS %s\r\n", proxyPasswd);
- else
- snprintf(buf, sizeof(buf), "PASS anonymous@\r\n");
- buf[sizeof(buf) - 1] = 0;
- len = strlen(buf);
-#ifdef DEBUG_FTP
- xmlGenericError(xmlGenericErrorContext, "%s", buf);
-#endif
- res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
- if (res < 0) {
- __xmlIOErr(XML_FROM_FTP, 0, "send failed");
- closesocket(ctxt->controlFd);
- ctxt->controlFd = INVALID_SOCKET;
- return(res);
- }
- res = xmlNanoFTPGetResponse(ctxt);
- if (res > 3) {
- closesocket(ctxt->controlFd);
- ctxt->controlFd = INVALID_SOCKET;
- return(-1);
- }
- break;
- case 1:
- break;
- case 4:
- case 5:
- case -1:
- default:
- closesocket(ctxt->controlFd);
- ctxt->controlFd = INVALID_SOCKET;
- return(-1);
- }
- }
-
- /*
- * We assume we don't need more authentication to the proxy
- * and that it succeeded :-\
- */
- switch (proxyType) {
- case 0:
- /* we will try in sequence */
- case 1:
- /* Using SITE command */
- snprintf(buf, sizeof(buf), "SITE %s\r\n", ctxt->hostname);
- buf[sizeof(buf) - 1] = 0;
- len = strlen(buf);
-#ifdef DEBUG_FTP
- xmlGenericError(xmlGenericErrorContext, "%s", buf);
-#endif
- res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
- if (res < 0) {
- __xmlIOErr(XML_FROM_FTP, 0, "send failed");
- closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
- ctxt->controlFd = INVALID_SOCKET;
- return(res);
- }
- res = xmlNanoFTPGetResponse(ctxt);
- if (res == 2) {
- /* we assume it worked :-\ 1 is error for SITE command */
- proxyType = 1;
- break;
- }
- if (proxyType == 1) {
- closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
- ctxt->controlFd = INVALID_SOCKET;
- return(-1);
- }
- case 2:
- /* USER user@host command */
- if (ctxt->user == NULL)
- snprintf(buf, sizeof(buf), "USER anonymous@%s\r\n",
- ctxt->hostname);
- else
- snprintf(buf, sizeof(buf), "USER %s@%s\r\n",
- ctxt->user, ctxt->hostname);
- buf[sizeof(buf) - 1] = 0;
- len = strlen(buf);
-#ifdef DEBUG_FTP
- xmlGenericError(xmlGenericErrorContext, "%s", buf);
-#endif
- res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
- if (res < 0) {
- __xmlIOErr(XML_FROM_FTP, 0, "send failed");
- closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
- ctxt->controlFd = INVALID_SOCKET;
- return(res);
- }
- res = xmlNanoFTPGetResponse(ctxt);
- if ((res == 1) || (res == 2)) {
- /* we assume it worked :-\ */
- proxyType = 2;
- return(0);
- }
- if (ctxt->passwd == NULL)
- snprintf(buf, sizeof(buf), "PASS anonymous@\r\n");
- else
- snprintf(buf, sizeof(buf), "PASS %s\r\n", ctxt->passwd);
- buf[sizeof(buf) - 1] = 0;
- len = strlen(buf);
-#ifdef DEBUG_FTP
- xmlGenericError(xmlGenericErrorContext, "%s", buf);
-#endif
- res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
- if (res < 0) {
- __xmlIOErr(XML_FROM_FTP, 0, "send failed");
- closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
- ctxt->controlFd = INVALID_SOCKET;
- return(res);
- }
- res = xmlNanoFTPGetResponse(ctxt);
- if ((res == 1) || (res == 2)) {
- /* we assume it worked :-\ */
- proxyType = 2;
- return(0);
- }
- if (proxyType == 2) {
- closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
- ctxt->controlFd = INVALID_SOCKET;
- return(-1);
- }
- case 3:
- /*
- * If you need support for other Proxy authentication scheme
- * send the code or at least the sequence in use.
- */
- default:
- closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
- ctxt->controlFd = INVALID_SOCKET;
- return(-1);
- }
- }
- /*
- * Non-proxy handling.
- */
- res = xmlNanoFTPSendUser(ctxt);
- if (res < 0) {
- closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
- ctxt->controlFd = INVALID_SOCKET;
- return(-1);
- }
- res = xmlNanoFTPGetResponse(ctxt);
- switch (res) {
- case 2:
- return(0);
- case 3:
- break;
- case 1:
- case 4:
- case 5:
- case -1:
- default:
- closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
- ctxt->controlFd = INVALID_SOCKET;
- return(-1);
- }
- res = xmlNanoFTPSendPasswd(ctxt);
- if (res < 0) {
- closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
- ctxt->controlFd = INVALID_SOCKET;
- return(-1);
- }
- res = xmlNanoFTPGetResponse(ctxt);
- switch (res) {
- case 2:
- break;
- case 3:
- __xmlIOErr(XML_FROM_FTP, XML_FTP_ACCNT,
- "FTP server asking for ACCNT on anonymous\n");
- case 1:
- case 4:
- case 5:
- case -1:
- default:
- closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
- ctxt->controlFd = INVALID_SOCKET;
- return(-1);
- }
-
- return(0);
-}
-
-/**
- * xmlNanoFTPConnectTo:
- * @server: an FTP server name
- * @port: the port (use 21 if 0)
- *
- * Tries to open a control connection to the given server/port
- *
- * Returns an fTP context or NULL if it failed
- */
-
-void*
-xmlNanoFTPConnectTo(const char *server, int port) {
- xmlNanoFTPCtxtPtr ctxt;
- int res;
-
- xmlNanoFTPInit();
- if (server == NULL)
- return(NULL);
- if (port <= 0)
- return(NULL);
- ctxt = (xmlNanoFTPCtxtPtr) xmlNanoFTPNewCtxt(NULL);
- if (ctxt == NULL)
- return(NULL);
- ctxt->hostname = xmlMemStrdup(server);
- if (ctxt->hostname == NULL) {
- xmlNanoFTPFreeCtxt(ctxt);
- return(NULL);
- }
- if (port != 0)
- ctxt->port = port;
- res = xmlNanoFTPConnect(ctxt);
- if (res < 0) {
- xmlNanoFTPFreeCtxt(ctxt);
- return(NULL);
- }
- return(ctxt);
-}
-
-/**
- * xmlNanoFTPCwd:
- * @ctx: an FTP context
- * @directory: a directory on the server
- *
- * Tries to change the remote directory
- *
- * Returns -1 incase of error, 1 if CWD worked, 0 if it failed
- */
-
-int
-xmlNanoFTPCwd(void *ctx, const char *directory) {
- xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
- char buf[400];
- int len;
- int res;
-
- if ((ctxt == NULL) || (ctxt->controlFd == INVALID_SOCKET)) return(-1);
- if (directory == NULL) return 0;
-
- /*
- * Expected response code for CWD:
- *
- * CWD
- * 250
- * 500, 501, 502, 421, 530, 550
- */
- snprintf(buf, sizeof(buf), "CWD %s\r\n", directory);
- buf[sizeof(buf) - 1] = 0;
- len = strlen(buf);
-#ifdef DEBUG_FTP
- xmlGenericError(xmlGenericErrorContext, "%s", buf);
-#endif
- res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
- if (res < 0) {
- __xmlIOErr(XML_FROM_FTP, 0, "send failed");
- return(res);
- }
- res = xmlNanoFTPGetResponse(ctxt);
- if (res == 4) {
- return(-1);
- }
- if (res == 2) return(1);
- if (res == 5) {
- return(0);
- }
- return(0);
-}
-
-/**
- * xmlNanoFTPDele:
- * @ctx: an FTP context
- * @file: a file or directory on the server
- *
- * Tries to delete an item (file or directory) from server
- *
- * Returns -1 incase of error, 1 if DELE worked, 0 if it failed
- */
-
-int
-xmlNanoFTPDele(void *ctx, const char *file) {
- xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
- char buf[400];
- int len;
- int res;
-
- if ((ctxt == NULL) || (ctxt->controlFd == INVALID_SOCKET) ||
- (file == NULL)) return(-1);
-
- /*
- * Expected response code for DELE:
- *
- * DELE
- * 250
- * 450, 550
- * 500, 501, 502, 421, 530
- */
-
- snprintf(buf, sizeof(buf), "DELE %s\r\n", file);
- buf[sizeof(buf) - 1] = 0;
- len = strlen(buf);
-#ifdef DEBUG_FTP
- xmlGenericError(xmlGenericErrorContext, "%s", buf);
-#endif
- res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
- if (res < 0) {
- __xmlIOErr(XML_FROM_FTP, 0, "send failed");
- return(res);
- }
- res = xmlNanoFTPGetResponse(ctxt);
- if (res == 4) {
- return(-1);
- }
- if (res == 2) return(1);
- if (res == 5) {
- return(0);
- }
- return(0);
-}
-/**
- * xmlNanoFTPGetConnection:
- * @ctx: an FTP context
- *
- * Try to open a data connection to the server. Currently only
- * passive mode is supported.
- *
- * Returns -1 incase of error, 0 otherwise
- */
-
-SOCKET
-xmlNanoFTPGetConnection(void *ctx) {
- xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
- char buf[200], *cur;
- int len, i;
- int res;
- unsigned char ad[6], *adp, *portp;
- unsigned int temp[6];
-#ifdef SUPPORT_IP6
- struct sockaddr_storage dataAddr;
-#else
- struct sockaddr_in dataAddr;
-#endif
- XML_SOCKLEN_T dataAddrLen;
-
- if (ctxt == NULL) return INVALID_SOCKET;
-
- memset (&dataAddr, 0, sizeof(dataAddr));
-#ifdef SUPPORT_IP6
- if ((ctxt->ftpAddr).ss_family == AF_INET6) {
- ctxt->dataFd = socket (AF_INET6, SOCK_STREAM, IPPROTO_TCP);
- ((struct sockaddr_in6 *)&dataAddr)->sin6_family = AF_INET6;
- dataAddrLen = sizeof(struct sockaddr_in6);
- } else
-#endif
- {
- ctxt->dataFd = socket (AF_INET, SOCK_STREAM, IPPROTO_TCP);
- ((struct sockaddr_in *)&dataAddr)->sin_family = AF_INET;
- dataAddrLen = sizeof (struct sockaddr_in);
- }
-
- if (ctxt->dataFd == INVALID_SOCKET) {
- __xmlIOErr(XML_FROM_FTP, 0, "socket failed");
- return INVALID_SOCKET;
- }
-
- if (ctxt->passive) {
-#ifdef SUPPORT_IP6
- if ((ctxt->ftpAddr).ss_family == AF_INET6)
- snprintf (buf, sizeof(buf), "EPSV\r\n");
- else
-#endif
- snprintf (buf, sizeof(buf), "PASV\r\n");
- len = strlen (buf);
-#ifdef DEBUG_FTP
- xmlGenericError(xmlGenericErrorContext, "%s", buf);
-#endif
- res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
- if (res < 0) {
- __xmlIOErr(XML_FROM_FTP, 0, "send failed");
- closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
- return INVALID_SOCKET;
- }
- res = xmlNanoFTPReadResponse(ctx);
- if (res != 2) {
- if (res == 5) {
- closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
- return INVALID_SOCKET;
- } else {
- /*
- * retry with an active connection
- */
- closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
- ctxt->passive = 0;
- }
- }
- cur = &ctxt->controlBuf[ctxt->controlBufAnswer];
- while (((*cur < '0') || (*cur > '9')) && *cur != '\0') cur++;
-#ifdef SUPPORT_IP6
- if ((ctxt->ftpAddr).ss_family == AF_INET6) {
- if (sscanf (cur, "%u", &temp[0]) != 1) {
- __xmlIOErr(XML_FROM_FTP, XML_FTP_EPSV_ANSWER,
- "Invalid answer to EPSV\n");
- if (ctxt->dataFd != INVALID_SOCKET) {
- closesocket (ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
- }
- return INVALID_SOCKET;
- }
- memcpy (&((struct sockaddr_in6 *)&dataAddr)->sin6_addr, &((struct sockaddr_in6 *)&ctxt->ftpAddr)->sin6_addr, sizeof(struct in6_addr));
- ((struct sockaddr_in6 *)&dataAddr)->sin6_port = htons (temp[0]);
- }
- else
-#endif
- {
- if (sscanf (cur, "%u,%u,%u,%u,%u,%u", &temp[0], &temp[1], &temp[2],
- &temp[3], &temp[4], &temp[5]) != 6) {
- __xmlIOErr(XML_FROM_FTP, XML_FTP_PASV_ANSWER,
- "Invalid answer to PASV\n");
- if (ctxt->dataFd != INVALID_SOCKET) {
- closesocket (ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
- }
- return INVALID_SOCKET;
- }
- for (i=0; i<6; i++) ad[i] = (unsigned char) (temp[i] & 0xff);
- memcpy (&((struct sockaddr_in *)&dataAddr)->sin_addr, &ad[0], 4);
- memcpy (&((struct sockaddr_in *)&dataAddr)->sin_port, &ad[4], 2);
- }
-
- if (connect(ctxt->dataFd, (struct sockaddr *) &dataAddr, dataAddrLen) < 0) {
- __xmlIOErr(XML_FROM_FTP, 0, "Failed to create a data connection");
- closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
- return INVALID_SOCKET;
- }
- } else {
- getsockname(ctxt->dataFd, (struct sockaddr *) &dataAddr, &dataAddrLen);
-#ifdef SUPPORT_IP6
- if ((ctxt->ftpAddr).ss_family == AF_INET6)
- ((struct sockaddr_in6 *)&dataAddr)->sin6_port = 0;
- else
-#endif
- ((struct sockaddr_in *)&dataAddr)->sin_port = 0;
-
- if (bind(ctxt->dataFd, (struct sockaddr *) &dataAddr, dataAddrLen) < 0) {
- __xmlIOErr(XML_FROM_FTP, 0, "bind failed");
- closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
- return INVALID_SOCKET;
- }
- getsockname(ctxt->dataFd, (struct sockaddr *) &dataAddr, &dataAddrLen);
-
- if (listen(ctxt->dataFd, 1) < 0) {
- __xmlIOErr(XML_FROM_FTP, 0, "listen failed");
- closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
- return INVALID_SOCKET;
- }
-#ifdef SUPPORT_IP6
- if ((ctxt->ftpAddr).ss_family == AF_INET6) {
- char buf6[INET6_ADDRSTRLEN];
- inet_ntop (AF_INET6, &((struct sockaddr_in6 *)&dataAddr)->sin6_addr,
- buf6, INET6_ADDRSTRLEN);
- adp = (unsigned char *) buf6;
- portp = (unsigned char *) &((struct sockaddr_in6 *)&dataAddr)->sin6_port;
- snprintf (buf, sizeof(buf), "EPRT |2|%s|%s|\r\n", adp, portp);
- } else
-#endif
- {
- adp = (unsigned char *) &((struct sockaddr_in *)&dataAddr)->sin_addr;
- portp = (unsigned char *) &((struct sockaddr_in *)&dataAddr)->sin_port;
- snprintf (buf, sizeof(buf), "PORT %d,%d,%d,%d,%d,%d\r\n",
- adp[0] & 0xff, adp[1] & 0xff, adp[2] & 0xff, adp[3] & 0xff,
- portp[0] & 0xff, portp[1] & 0xff);
- }
-
- buf[sizeof(buf) - 1] = 0;
- len = strlen(buf);
-#ifdef DEBUG_FTP
- xmlGenericError(xmlGenericErrorContext, "%s", buf);
-#endif
-
- res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
- if (res < 0) {
- __xmlIOErr(XML_FROM_FTP, 0, "send failed");
- closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
- return INVALID_SOCKET;
- }
- res = xmlNanoFTPGetResponse(ctxt);
- if (res != 2) {
- closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
- return INVALID_SOCKET;
- }
- }
- return(ctxt->dataFd);
-
-}
-
-/**
- * xmlNanoFTPCloseConnection:
- * @ctx: an FTP context
- *
- * Close the data connection from the server
- *
- * Returns -1 incase of error, 0 otherwise
- */
-
-int
-xmlNanoFTPCloseConnection(void *ctx) {
- xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
- int res;
- fd_set rfd, efd;
- struct timeval tv;
-
- if ((ctxt == NULL) || (ctxt->controlFd == INVALID_SOCKET)) return(-1);
-
- closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
- tv.tv_sec = 15;
- tv.tv_usec = 0;
- FD_ZERO(&rfd);
- FD_SET(ctxt->controlFd, &rfd);
- FD_ZERO(&efd);
- FD_SET(ctxt->controlFd, &efd);
- res = select(ctxt->controlFd + 1, &rfd, NULL, &efd, &tv);
- if (res < 0) {
-#ifdef DEBUG_FTP
- perror("select");
-#endif
- closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
- return(-1);
- }
- if (res == 0) {
-#ifdef DEBUG_FTP
- xmlGenericError(xmlGenericErrorContext,
- "xmlNanoFTPCloseConnection: timeout\n");
-#endif
- closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
- } else {
- res = xmlNanoFTPGetResponse(ctxt);
- if (res != 2) {
- closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
- return(-1);
- }
- }
- return(0);
-}
-
-/**
- * xmlNanoFTPParseList:
- * @list: some data listing received from the server
- * @callback: the user callback
- * @userData: the user callback data
- *
- * Parse at most one entry from the listing.
- *
- * Returns -1 incase of error, the length of data parsed otherwise
- */
-
-static int
-xmlNanoFTPParseList(const char *list, ftpListCallback callback, void *userData) {
- const char *cur = list;
- char filename[151];
- char attrib[11];
- char owner[11];
- char group[11];
- char month[4];
- int year = 0;
- int minute = 0;
- int hour = 0;
- int day = 0;
- unsigned long size = 0;
- int links = 0;
- int i;
-
- if (!strncmp(cur, "total", 5)) {
- cur += 5;
- while (*cur == ' ') cur++;
- while ((*cur >= '0') && (*cur <= '9'))
- links = (links * 10) + (*cur++ - '0');
- while ((*cur == ' ') || (*cur == '\n') || (*cur == '\r'))
- cur++;
- return(cur - list);
- } else if (*list == '+') {
- return(0);
- } else {
- while ((*cur == ' ') || (*cur == '\n') || (*cur == '\r'))
- cur++;
- if (*cur == 0) return(0);
- i = 0;
- while (*cur != ' ') {
- if (i < 10)
- attrib[i++] = *cur;
- cur++;
- if (*cur == 0) return(0);
- }
- attrib[10] = 0;
- while (*cur == ' ') cur++;
- if (*cur == 0) return(0);
- while ((*cur >= '0') && (*cur <= '9'))
- links = (links * 10) + (*cur++ - '0');
- while (*cur == ' ') cur++;
- if (*cur == 0) return(0);
- i = 0;
- while (*cur != ' ') {
- if (i < 10)
- owner[i++] = *cur;
- cur++;
- if (*cur == 0) return(0);
- }
- owner[i] = 0;
- while (*cur == ' ') cur++;
- if (*cur == 0) return(0);
- i = 0;
- while (*cur != ' ') {
- if (i < 10)
- group[i++] = *cur;
- cur++;
- if (*cur == 0) return(0);
- }
- group[i] = 0;
- while (*cur == ' ') cur++;
- if (*cur == 0) return(0);
- while ((*cur >= '0') && (*cur <= '9'))
- size = (size * 10) + (*cur++ - '0');
- while (*cur == ' ') cur++;
- if (*cur == 0) return(0);
- i = 0;
- while (*cur != ' ') {
- if (i < 3)
- month[i++] = *cur;
- cur++;
- if (*cur == 0) return(0);
- }
- month[i] = 0;
- while (*cur == ' ') cur++;
- if (*cur == 0) return(0);
- while ((*cur >= '0') && (*cur <= '9'))
- day = (day * 10) + (*cur++ - '0');
- while (*cur == ' ') cur++;
- if (*cur == 0) return(0);
- if ((cur[1] == 0) || (cur[2] == 0)) return(0);
- if ((cur[1] == ':') || (cur[2] == ':')) {
- while ((*cur >= '0') && (*cur <= '9'))
- hour = (hour * 10) + (*cur++ - '0');
- if (*cur == ':') cur++;
- while ((*cur >= '0') && (*cur <= '9'))
- minute = (minute * 10) + (*cur++ - '0');
- } else {
- while ((*cur >= '0') && (*cur <= '9'))
- year = (year * 10) + (*cur++ - '0');
- }
- while (*cur == ' ') cur++;
- if (*cur == 0) return(0);
- i = 0;
- while ((*cur != '\n') && (*cur != '\r')) {
- if (i < 150)
- filename[i++] = *cur;
- cur++;
- if (*cur == 0) return(0);
- }
- filename[i] = 0;
- if ((*cur != '\n') && (*cur != '\r'))
- return(0);
- while ((*cur == '\n') || (*cur == '\r'))
- cur++;
- }
- if (callback != NULL) {
- callback(userData, filename, attrib, owner, group, size, links,
- year, month, day, hour, minute);
- }
- return(cur - list);
-}
-
-/**
- * xmlNanoFTPList:
- * @ctx: an FTP context
- * @callback: the user callback
- * @userData: the user callback data
- * @filename: optional files to list
- *
- * Do a listing on the server. All files info are passed back
- * in the callbacks.
- *
- * Returns -1 incase of error, 0 otherwise
- */
-
-int
-xmlNanoFTPList(void *ctx, ftpListCallback callback, void *userData,
- const char *filename) {
- xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
- char buf[4096 + 1];
- int len, res;
- int indx = 0, base;
- fd_set rfd, efd;
- struct timeval tv;
-
- if (ctxt == NULL) return (-1);
- if (filename == NULL) {
- if (xmlNanoFTPCwd(ctxt, ctxt->path) < 1)
- return(-1);
- ctxt->dataFd = xmlNanoFTPGetConnection(ctxt);
- if (ctxt->dataFd == INVALID_SOCKET)
- return(-1);
- snprintf(buf, sizeof(buf), "LIST -L\r\n");
- } else {
- if (filename[0] != '/') {
- if (xmlNanoFTPCwd(ctxt, ctxt->path) < 1)
- return(-1);
- }
- ctxt->dataFd = xmlNanoFTPGetConnection(ctxt);
- if (ctxt->dataFd == INVALID_SOCKET)
- return(-1);
- snprintf(buf, sizeof(buf), "LIST -L %s\r\n", filename);
- }
- buf[sizeof(buf) - 1] = 0;
- len = strlen(buf);
-#ifdef DEBUG_FTP
- xmlGenericError(xmlGenericErrorContext, "%s", buf);
-#endif
- res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
- if (res < 0) {
- __xmlIOErr(XML_FROM_FTP, 0, "send failed");
- closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
- return(res);
- }
- res = xmlNanoFTPReadResponse(ctxt);
- if (res != 1) {
- closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
- return(-res);
- }
-
- do {
- tv.tv_sec = 1;
- tv.tv_usec = 0;
- FD_ZERO(&rfd);
- FD_SET(ctxt->dataFd, &rfd);
- FD_ZERO(&efd);
- FD_SET(ctxt->dataFd, &efd);
- res = select(ctxt->dataFd + 1, &rfd, NULL, &efd, &tv);
- if (res < 0) {
-#ifdef DEBUG_FTP
- perror("select");
-#endif
- closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
- return(-1);
- }
- if (res == 0) {
- res = xmlNanoFTPCheckResponse(ctxt);
- if (res < 0) {
- closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
- ctxt->dataFd = INVALID_SOCKET;
- return(-1);
- }
- if (res == 2) {
- closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
- return(0);
- }
-
- continue;
- }
-
- if ((len = recv(ctxt->dataFd, &buf[indx], sizeof(buf) - (indx + 1), 0)) < 0) {
- __xmlIOErr(XML_FROM_FTP, 0, "recv");
- closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
- ctxt->dataFd = INVALID_SOCKET;
- return(-1);
- }
-#ifdef DEBUG_FTP
- write(1, &buf[indx], len);
-#endif
- indx += len;
- buf[indx] = 0;
- base = 0;
- do {
- res = xmlNanoFTPParseList(&buf[base], callback, userData);
- base += res;
- } while (res > 0);
-
- memmove(&buf[0], &buf[base], indx - base);
- indx -= base;
- } while (len != 0);
- xmlNanoFTPCloseConnection(ctxt);
- return(0);
-}
-
-/**
- * xmlNanoFTPGetSocket:
- * @ctx: an FTP context
- * @filename: the file to retrieve (or NULL if path is in context).
- *
- * Initiate fetch of the given file from the server.
- *
- * Returns the socket for the data connection, or <0 in case of error
- */
-
-
-SOCKET
-xmlNanoFTPGetSocket(void *ctx, const char *filename) {
- xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
- char buf[300];
- int res, len;
- if (ctx == NULL)
- return INVALID_SOCKET;
- if ((filename == NULL) && (ctxt->path == NULL))
- return INVALID_SOCKET;
- ctxt->dataFd = xmlNanoFTPGetConnection(ctxt);
- if (ctxt->dataFd == INVALID_SOCKET)
- return INVALID_SOCKET;
-
- snprintf(buf, sizeof(buf), "TYPE I\r\n");
- len = strlen(buf);
-#ifdef DEBUG_FTP
- xmlGenericError(xmlGenericErrorContext, "%s", buf);
-#endif
- res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
- if (res < 0) {
- __xmlIOErr(XML_FROM_FTP, 0, "send failed");
- closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
- return INVALID_SOCKET;
- }
- res = xmlNanoFTPReadResponse(ctxt);
- if (res != 2) {
- closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
- return INVALID_SOCKET;
- }
- if (filename == NULL)
- snprintf(buf, sizeof(buf), "RETR %s\r\n", ctxt->path);
- else
- snprintf(buf, sizeof(buf), "RETR %s\r\n", filename);
- buf[sizeof(buf) - 1] = 0;
- len = strlen(buf);
-#ifdef DEBUG_FTP
- xmlGenericError(xmlGenericErrorContext, "%s", buf);
-#endif
- res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
- if (res < 0) {
- __xmlIOErr(XML_FROM_FTP, 0, "send failed");
- closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
- return INVALID_SOCKET;
- }
- res = xmlNanoFTPReadResponse(ctxt);
- if (res != 1) {
- closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
- return INVALID_SOCKET;
- }
- return(ctxt->dataFd);
-}
-
-/**
- * xmlNanoFTPGet:
- * @ctx: an FTP context
- * @callback: the user callback
- * @userData: the user callback data
- * @filename: the file to retrieve
- *
- * Fetch the given file from the server. All data are passed back
- * in the callbacks. The last callback has a size of 0 block.
- *
- * Returns -1 incase of error, 0 otherwise
- */
-
-int
-xmlNanoFTPGet(void *ctx, ftpDataCallback callback, void *userData,
- const char *filename) {
- xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
- char buf[4096];
- int len = 0, res;
- fd_set rfd;
- struct timeval tv;
-
- if (ctxt == NULL) return(-1);
- if ((filename == NULL) && (ctxt->path == NULL))
- return(-1);
- if (callback == NULL)
- return(-1);
- if (xmlNanoFTPGetSocket(ctxt, filename) == INVALID_SOCKET)
- return(-1);
-
- do {
- tv.tv_sec = 1;
- tv.tv_usec = 0;
- FD_ZERO(&rfd);
- FD_SET(ctxt->dataFd, &rfd);
- res = select(ctxt->dataFd + 1, &rfd, NULL, NULL, &tv);
- if (res < 0) {
-#ifdef DEBUG_FTP
- perror("select");
-#endif
- closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
- return(-1);
- }
- if (res == 0) {
- res = xmlNanoFTPCheckResponse(ctxt);
- if (res < 0) {
- closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
- ctxt->dataFd = INVALID_SOCKET;
- return(-1);
- }
- if (res == 2) {
- closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
- return(0);
- }
-
- continue;
- }
- if ((len = recv(ctxt->dataFd, buf, sizeof(buf), 0)) < 0) {
- __xmlIOErr(XML_FROM_FTP, 0, "recv failed");
- callback(userData, buf, len);
- closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
- return(-1);
- }
- callback(userData, buf, len);
- } while (len != 0);
-
- return(xmlNanoFTPCloseConnection(ctxt));
-}
-
-/**
- * xmlNanoFTPRead:
- * @ctx: the FTP context
- * @dest: a buffer
- * @len: the buffer length
- *
- * This function tries to read @len bytes from the existing FTP connection
- * and saves them in @dest. This is a blocking call.
- *
- * Returns the number of byte read. 0 is an indication of an end of connection.
- * -1 indicates a parameter error.
- */
-int
-xmlNanoFTPRead(void *ctx, void *dest, int len) {
- xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
-
- if (ctx == NULL) return(-1);
- if (ctxt->dataFd == INVALID_SOCKET) return(0);
- if (dest == NULL) return(-1);
- if (len <= 0) return(0);
-
- len = recv(ctxt->dataFd, dest, len, 0);
- if (len <= 0) {
- if (len < 0)
- __xmlIOErr(XML_FROM_FTP, 0, "recv failed");
- xmlNanoFTPCloseConnection(ctxt);
- }
-#ifdef DEBUG_FTP
- xmlGenericError(xmlGenericErrorContext, "Recvd %d bytes\n", len);
-#endif
- return(len);
-}
-
-/**
- * xmlNanoFTPOpen:
- * @URL: the URL to the resource
- *
- * Start to fetch the given ftp:// resource
- *
- * Returns an FTP context, or NULL
- */
-
-void*
-xmlNanoFTPOpen(const char *URL) {
- xmlNanoFTPCtxtPtr ctxt;
- SOCKET sock;
-
- xmlNanoFTPInit();
- if (URL == NULL) return(NULL);
- if (strncmp("ftp://", URL, 6)) return(NULL);
-
- ctxt = (xmlNanoFTPCtxtPtr) xmlNanoFTPNewCtxt(URL);
- if (ctxt == NULL) return(NULL);
- if (xmlNanoFTPConnect(ctxt) < 0) {
- xmlNanoFTPFreeCtxt(ctxt);
- return(NULL);
- }
- sock = xmlNanoFTPGetSocket(ctxt, ctxt->path);
- if (sock == INVALID_SOCKET) {
- xmlNanoFTPFreeCtxt(ctxt);
- return(NULL);
- }
- return(ctxt);
-}
-
-/**
- * xmlNanoFTPClose:
- * @ctx: an FTP context
- *
- * Close the connection and both control and transport
- *
- * Returns -1 incase of error, 0 otherwise
- */
-
-int
-xmlNanoFTPClose(void *ctx) {
- xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
-
- if (ctxt == NULL)
- return(-1);
-
- if (ctxt->dataFd != INVALID_SOCKET) {
- closesocket(ctxt->dataFd);
- ctxt->dataFd = INVALID_SOCKET;
- }
- if (ctxt->controlFd != INVALID_SOCKET) {
- xmlNanoFTPQuit(ctxt);
- closesocket(ctxt->controlFd);
- ctxt->controlFd = INVALID_SOCKET;
- }
- xmlNanoFTPFreeCtxt(ctxt);
- return(0);
-}
-
-#ifdef STANDALONE
-/************************************************************************
- * *
- * Basic test in Standalone mode *
- * *
- ************************************************************************/
-static
-void ftpList(void *userData, const char *filename, const char* attrib,
- const char *owner, const char *group, unsigned long size, int links,
- int year, const char *month, int day, int hour, int minute) {
- xmlGenericError(xmlGenericErrorContext,
- "%s %s %s %ld %s\n", attrib, owner, group, size, filename);
-}
-static
-void ftpData(void *userData, const char *data, int len) {
- if (userData == NULL) return;
- if (len <= 0) {
- fclose((FILE*)userData);
- return;
- }
- fwrite(data, len, 1, (FILE*)userData);
-}
-
-int main(int argc, char **argv) {
- void *ctxt;
- FILE *output;
- char *tstfile = NULL;
-
- xmlNanoFTPInit();
- if (argc > 1) {
- ctxt = xmlNanoFTPNewCtxt(argv[1]);
- if (xmlNanoFTPConnect(ctxt) < 0) {
- xmlGenericError(xmlGenericErrorContext,
- "Couldn't connect to %s\n", argv[1]);
- exit(1);
- }
- if (argc > 2)
- tstfile = argv[2];
- } else
- ctxt = xmlNanoFTPConnectTo("localhost", 0);
- if (ctxt == NULL) {
- xmlGenericError(xmlGenericErrorContext,
- "Couldn't connect to localhost\n");
- exit(1);
- }
- xmlNanoFTPList(ctxt, ftpList, NULL, tstfile);
- output = fopen("/tmp/tstdata", "w");
- if (output != NULL) {
- if (xmlNanoFTPGet(ctxt, ftpData, (void *) output, tstfile) < 0)
- xmlGenericError(xmlGenericErrorContext,
- "Failed to get file\n");
-
- }
- xmlNanoFTPClose(ctxt);
- xmlMemoryDump();
- exit(0);
-}
-#endif /* STANDALONE */
-#else /* !LIBXML_FTP_ENABLED */
-#ifdef STANDALONE
-#include <stdio.h>
-int main(int argc, char **argv) {
- xmlGenericError(xmlGenericErrorContext,
- "%s : FTP support not compiled in\n", argv[0]);
- return(0);
-}
-#endif /* STANDALONE */
-#endif /* LIBXML_FTP_ENABLED */
-#define bottom_nanoftp
-#include "elfgcchack.h"
projects / reactos.git / blobdiff