2 * nanoftp.c: basic FTP client support
11 #define HAVE_SYS_SOCKET_H
12 #define HAVE_NETINET_IN_H
14 #define HAVE_SYS_TIME_H
22 #ifdef LIBXML_FTP_ENABLED
31 #ifdef HAVE_SYS_SOCKET_H
32 #include <sys/socket.h>
34 #ifdef HAVE_NETINET_IN_H
35 #include <netinet/in.h>
37 #ifdef HAVE_ARPA_INET_H
38 #include <arpa/inet.h>
49 #ifdef HAVE_SYS_TIME_H
52 #ifdef HAVE_SYS_SELECT_H
53 #include <sys/select.h>
55 #ifdef HAVE_SYS_SOCKET_H
56 #include <sys/socket.h>
58 #ifdef HAVE_SYS_TYPES_H
59 #include <sys/types.h>
65 #include <libxml/xmlmemory.h>
66 #include <libxml/parser.h>
67 #include <libxml/xmlerror.h>
68 #include <libxml/uri.h>
69 #include <libxml/nanoftp.h>
70 #include <libxml/globals.h>
72 /* #define DEBUG_FTP 1 */
80 #if defined(__MINGW32__) || defined(_WIN32_WCE)
84 #include <wsockcompat.h>
87 #define XML_SOCKLEN_T unsigned int
91 * A couple portability macros
94 #if !defined(__BEOS__) || defined(__HAIKU__)
95 #define closesocket(s) close(s)
101 #define PF_INET AF_INET
106 #ifdef HAVE_BROKEN_SS_FAMILY
107 #define ss_family __ss_family
111 #ifndef XML_SOCKLEN_T
112 #define XML_SOCKLEN_T unsigned int
115 #define FTP_COMMAND_OK 200
116 #define FTP_SYNTAX_ERROR 500
117 #define FTP_GET_PASSWD 331
118 #define FTP_BUF_SIZE 1024
120 #define XML_NANO_MAX_URLBUF 4096
122 typedef struct xmlNanoFTPCtxt {
123 char *protocol; /* the protocol name */
124 char *hostname; /* the host name */
125 int port; /* the port */
126 char *path; /* the path within the URL */
127 char *user; /* user string */
128 char *passwd; /* passwd string */
130 struct sockaddr_storage ftpAddr; /* this is large enough to hold IPv6 address*/
132 struct sockaddr_in ftpAddr; /* the socket address struct */
134 int passive; /* currently we support only passive !!! */
135 SOCKET controlFd; /* the file descriptor for the control socket */
136 SOCKET dataFd; /* the file descriptor for the data socket */
137 int state; /* WRITE / READ / CLOSED */
138 int returnValue; /* the protocol return value */
139 /* buffer for data received from the control connection */
140 char controlBuf[FTP_BUF_SIZE + 1];
143 int controlBufAnswer;
144 } xmlNanoFTPCtxt, *xmlNanoFTPCtxtPtr;
146 static int initialized = 0;
147 static char *proxy = NULL; /* the proxy name if any */
148 static int proxyPort = 0; /* the proxy port if any */
149 static char *proxyUser = NULL; /* user for proxy authentication */
150 static char *proxyPasswd = NULL;/* passwd for proxy authentication */
151 static int proxyType = 0; /* uses TYPE or a@b ? */
155 int have_ipv6(void) {
158 s = socket (AF_INET6, SOCK_STREAM, 0);
169 * @extra: extra informations
171 * Handle an out of memory condition
174 xmlFTPErrMemory(const char *extra)
176 __xmlSimpleError(XML_FROM_FTP, XML_ERR_NO_MEMORY, NULL, NULL, extra);
182 * Initialize the FTP protocol layer.
183 * Currently it just checks for proxy informations,
184 * and get the hostname
188 xmlNanoFTPInit(void) {
198 if (WSAStartup(MAKEWORD(1, 1), &wsaData) != 0)
203 env = getenv("no_proxy");
204 if (env && ((env[0] == '*' ) && (env[1] == 0)))
206 env = getenv("ftp_proxy");
208 xmlNanoFTPScanProxy(env);
210 env = getenv("FTP_PROXY");
212 xmlNanoFTPScanProxy(env);
215 env = getenv("ftp_proxy_user");
217 proxyUser = xmlMemStrdup(env);
219 env = getenv("ftp_proxy_password");
221 proxyPasswd = xmlMemStrdup(env);
229 * Cleanup the FTP protocol layer. This cleanup proxy informations.
233 xmlNanoFTPCleanup(void) {
238 if (proxyUser != NULL) {
242 if (proxyPasswd != NULL) {
243 xmlFree(proxyPasswd);
255 * @host: the proxy host name
256 * @port: the proxy port
257 * @user: the proxy user name
258 * @passwd: the proxy password
259 * @type: the type of proxy 1 for using SITE, 2 for USER a@b
261 * Setup the FTP proxy informations.
262 * This can also be done by using ftp_proxy ftp_proxy_user and
263 * ftp_proxy_password environment variables.
267 xmlNanoFTPProxy(const char *host, int port, const char *user,
268 const char *passwd, int type) {
273 if (proxyUser != NULL) {
277 if (proxyPasswd != NULL) {
278 xmlFree(proxyPasswd);
282 proxy = xmlMemStrdup(host);
284 proxyUser = xmlMemStrdup(user);
286 proxyPasswd = xmlMemStrdup(passwd);
293 * @ctx: an FTP context
294 * @URL: The URL used to initialize the context
296 * (Re)Initialize an FTP context by parsing the URL and finding
297 * the protocol host port and path it indicates.
301 xmlNanoFTPScanURL(void *ctx, const char *URL) {
302 xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
306 * Clear any existing data from the context
308 if (ctxt->protocol != NULL) {
309 xmlFree(ctxt->protocol);
310 ctxt->protocol = NULL;
312 if (ctxt->hostname != NULL) {
313 xmlFree(ctxt->hostname);
314 ctxt->hostname = NULL;
316 if (ctxt->path != NULL) {
320 if (URL == NULL) return;
322 uri = xmlParseURIRaw(URL, 1);
326 if ((uri->scheme == NULL) || (uri->server == NULL)) {
331 ctxt->protocol = xmlMemStrdup(uri->scheme);
332 ctxt->hostname = xmlMemStrdup(uri->server);
333 if (uri->path != NULL)
334 ctxt->path = xmlMemStrdup(uri->path);
336 ctxt->path = xmlMemStrdup("/");
338 ctxt->port = uri->port;
340 if (uri->user != NULL) {
342 if ((cptr=strchr(uri->user, ':')) == NULL)
343 ctxt->user = xmlMemStrdup(uri->user);
345 ctxt->user = (char *)xmlStrndup((xmlChar *)uri->user,
347 ctxt->passwd = xmlMemStrdup(cptr+1);
356 * xmlNanoFTPUpdateURL:
357 * @ctx: an FTP context
358 * @URL: The URL used to update the context
360 * Update an FTP context by parsing the URL and finding
361 * new path it indicates. If there is an error in the
362 * protocol, hostname, port or other information, the
363 * error is raised. It indicates a new connection has to
366 * Returns 0 if Ok, -1 in case of error (other host).
370 xmlNanoFTPUpdateURL(void *ctx, const char *URL) {
371 xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
378 if (ctxt->protocol == NULL)
380 if (ctxt->hostname == NULL)
383 uri = xmlParseURIRaw(URL, 1);
387 if ((uri->scheme == NULL) || (uri->server == NULL)) {
391 if ((strcmp(ctxt->protocol, uri->scheme)) ||
392 (strcmp(ctxt->hostname, uri->server)) ||
393 ((uri->port != 0) && (ctxt->port != uri->port))) {
399 ctxt->port = uri->port;
401 if (ctxt->path != NULL) {
406 if (uri->path == NULL)
407 ctxt->path = xmlMemStrdup("/");
409 ctxt->path = xmlMemStrdup(uri->path);
417 * xmlNanoFTPScanProxy:
418 * @URL: The proxy URL used to initialize the proxy context
420 * (Re)Initialize the FTP Proxy context by parsing the URL and finding
421 * the protocol host port it indicates.
422 * Should be like ftp://myproxy/ or ftp://myproxy:3128/
423 * A NULL URL cleans up proxy informations.
427 xmlNanoFTPScanProxy(const char *URL) {
438 xmlGenericError(xmlGenericErrorContext,
439 "Removing FTP proxy info\n");
441 xmlGenericError(xmlGenericErrorContext,
442 "Using FTP proxy %s\n", URL);
444 if (URL == NULL) return;
446 uri = xmlParseURIRaw(URL, 1);
447 if ((uri == NULL) || (uri->scheme == NULL) ||
448 (strcmp(uri->scheme, "ftp")) || (uri->server == NULL)) {
449 __xmlIOErr(XML_FROM_FTP, XML_FTP_URL_SYNTAX, "Syntax Error\n");
455 proxy = xmlMemStrdup(uri->server);
457 proxyPort = uri->port;
464 * @URL: The URL used to initialize the context
466 * Allocate and initialize a new FTP context.
468 * Returns an FTP context or NULL in case of error.
472 xmlNanoFTPNewCtxt(const char *URL) {
473 xmlNanoFTPCtxtPtr ret;
476 ret = (xmlNanoFTPCtxtPtr) xmlMalloc(sizeof(xmlNanoFTPCtxt));
478 xmlFTPErrMemory("allocating FTP context");
482 memset(ret, 0, sizeof(xmlNanoFTPCtxt));
485 ret->returnValue = 0;
486 ret->controlBufIndex = 0;
487 ret->controlBufUsed = 0;
488 ret->controlFd = INVALID_SOCKET;
490 unescaped = xmlURIUnescapeString(URL, 0, NULL);
491 if (unescaped != NULL) {
492 xmlNanoFTPScanURL(ret, unescaped);
494 } else if (URL != NULL)
495 xmlNanoFTPScanURL(ret, URL);
501 * xmlNanoFTPFreeCtxt:
502 * @ctx: an FTP context
504 * Frees the context after closing the connection.
508 xmlNanoFTPFreeCtxt(void * ctx) {
509 xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
510 if (ctxt == NULL) return;
511 if (ctxt->hostname != NULL) xmlFree(ctxt->hostname);
512 if (ctxt->protocol != NULL) xmlFree(ctxt->protocol);
513 if (ctxt->path != NULL) xmlFree(ctxt->path);
515 if (ctxt->controlFd != INVALID_SOCKET) closesocket(ctxt->controlFd);
516 ctxt->controlFd = INVALID_SOCKET;
517 ctxt->controlBufIndex = -1;
518 ctxt->controlBufUsed = -1;
523 * xmlNanoFTPParseResponse:
524 * @buf: the buffer containing the response
525 * @len: the buffer length
527 * Parsing of the server answer, we just extract the code.
529 * returns 0 for errors
530 * +XXX for last line of response
531 * -XXX for response to be continued
534 xmlNanoFTPParseResponse(char *buf, int len) {
537 if (len < 3) return(-1);
538 if ((*buf >= '0') && (*buf <= '9'))
539 val = val * 10 + (*buf - '0');
543 if ((*buf >= '0') && (*buf <= '9'))
544 val = val * 10 + (*buf - '0');
548 if ((*buf >= '0') && (*buf <= '9'))
549 val = val * 10 + (*buf - '0');
560 * @ctx: an FTP context
562 * Read more information from the FTP control connection
563 * Returns the number of bytes read, < 0 indicates an error
566 xmlNanoFTPGetMore(void *ctx) {
567 xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
571 if ((ctxt == NULL) || (ctxt->controlFd == INVALID_SOCKET)) return(-1);
573 if ((ctxt->controlBufIndex < 0) || (ctxt->controlBufIndex > FTP_BUF_SIZE)) {
575 xmlGenericError(xmlGenericErrorContext,
576 "xmlNanoFTPGetMore : controlBufIndex = %d\n",
577 ctxt->controlBufIndex);
582 if ((ctxt->controlBufUsed < 0) || (ctxt->controlBufUsed > FTP_BUF_SIZE)) {
584 xmlGenericError(xmlGenericErrorContext,
585 "xmlNanoFTPGetMore : controlBufUsed = %d\n",
586 ctxt->controlBufUsed);
590 if (ctxt->controlBufIndex > ctxt->controlBufUsed) {
592 xmlGenericError(xmlGenericErrorContext,
593 "xmlNanoFTPGetMore : controlBufIndex > controlBufUsed %d > %d\n",
594 ctxt->controlBufIndex, ctxt->controlBufUsed);
600 * First pack the control buffer
602 if (ctxt->controlBufIndex > 0) {
603 memmove(&ctxt->controlBuf[0], &ctxt->controlBuf[ctxt->controlBufIndex],
604 ctxt->controlBufUsed - ctxt->controlBufIndex);
605 ctxt->controlBufUsed -= ctxt->controlBufIndex;
606 ctxt->controlBufIndex = 0;
608 size = FTP_BUF_SIZE - ctxt->controlBufUsed;
611 xmlGenericError(xmlGenericErrorContext,
612 "xmlNanoFTPGetMore : buffer full %d \n", ctxt->controlBufUsed);
618 * Read the amount left on the control connection
620 if ((len = recv(ctxt->controlFd, &ctxt->controlBuf[ctxt->controlBufIndex],
622 __xmlIOErr(XML_FROM_FTP, 0, "recv failed");
623 closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
624 ctxt->controlFd = INVALID_SOCKET;
628 xmlGenericError(xmlGenericErrorContext,
629 "xmlNanoFTPGetMore : read %d [%d - %d]\n", len,
630 ctxt->controlBufUsed, ctxt->controlBufUsed + len);
632 ctxt->controlBufUsed += len;
633 ctxt->controlBuf[ctxt->controlBufUsed] = 0;
639 * xmlNanoFTPReadResponse:
640 * @ctx: an FTP context
642 * Read the response from the FTP server after a command.
643 * Returns the code number
646 xmlNanoFTPReadResponse(void *ctx) {
647 xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
650 int res = -1, cur = -1;
652 if ((ctxt == NULL) || (ctxt->controlFd == INVALID_SOCKET)) return(-1);
656 * Assumes everything up to controlBuf[controlBufIndex] has been read
659 len = xmlNanoFTPGetMore(ctx);
663 if ((ctxt->controlBufUsed == 0) && (len == 0)) {
666 ptr = &ctxt->controlBuf[ctxt->controlBufIndex];
667 end = &ctxt->controlBuf[ctxt->controlBufUsed];
670 xmlGenericError(xmlGenericErrorContext,
671 "\n<<<\n%s\n--\n", ptr);
674 cur = xmlNanoFTPParseResponse(ptr, end - ptr);
677 * Successfully scanned the control code, scratch
678 * till the end of the line, but keep the index to be
679 * able to analyze the result if needed.
683 ctxt->controlBufAnswer = ptr - ctxt->controlBuf;
684 while ((ptr < end) && (*ptr != '\n')) ptr++;
685 if (*ptr == '\n') ptr++;
686 if (*ptr == '\r') ptr++;
689 while ((ptr < end) && (*ptr != '\n')) ptr++;
691 ctxt->controlBufIndex = ctxt->controlBufUsed;
694 if (*ptr != '\r') ptr++;
697 if (res < 0) goto get_more;
698 ctxt->controlBufIndex = ptr - ctxt->controlBuf;
700 ptr = &ctxt->controlBuf[ctxt->controlBufIndex];
701 xmlGenericError(xmlGenericErrorContext, "\n---\n%s\n--\n", ptr);
705 xmlGenericError(xmlGenericErrorContext, "Got %d\n", res);
711 * xmlNanoFTPGetResponse:
712 * @ctx: an FTP context
714 * Get the response from the FTP server after a command.
715 * Returns the code number
719 xmlNanoFTPGetResponse(void *ctx) {
722 res = xmlNanoFTPReadResponse(ctx);
728 * xmlNanoFTPCheckResponse:
729 * @ctx: an FTP context
731 * Check if there is a response from the FTP server after a command.
732 * Returns the code number, or 0
736 xmlNanoFTPCheckResponse(void *ctx) {
737 xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
741 if ((ctxt == NULL) || (ctxt->controlFd == INVALID_SOCKET)) return(-1);
745 FD_SET(ctxt->controlFd, &rfd);
746 switch(select(ctxt->controlFd + 1, &rfd, NULL, NULL, &tv)) {
750 __xmlIOErr(XML_FROM_FTP, 0, "select");
755 return(xmlNanoFTPReadResponse(ctx));
759 * Send the user authentication
763 xmlNanoFTPSendUser(void *ctx) {
764 xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
769 if (ctxt->user == NULL)
770 snprintf(buf, sizeof(buf), "USER anonymous\r\n");
772 snprintf(buf, sizeof(buf), "USER %s\r\n", ctxt->user);
773 buf[sizeof(buf) - 1] = 0;
776 xmlGenericError(xmlGenericErrorContext, "%s", buf);
778 res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
780 __xmlIOErr(XML_FROM_FTP, 0, "send failed");
787 * Send the password authentication
791 xmlNanoFTPSendPasswd(void *ctx) {
792 xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
797 if (ctxt->passwd == NULL)
798 snprintf(buf, sizeof(buf), "PASS anonymous@\r\n");
800 snprintf(buf, sizeof(buf), "PASS %s\r\n", ctxt->passwd);
801 buf[sizeof(buf) - 1] = 0;
804 xmlGenericError(xmlGenericErrorContext, "%s", buf);
806 res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
808 __xmlIOErr(XML_FROM_FTP, 0, "send failed");
816 * @ctx: an FTP context
818 * Send a QUIT command to the server
820 * Returns -1 in case of error, 0 otherwise
825 xmlNanoFTPQuit(void *ctx) {
826 xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
830 if ((ctxt == NULL) || (ctxt->controlFd == INVALID_SOCKET)) return(-1);
832 snprintf(buf, sizeof(buf), "QUIT\r\n");
835 xmlGenericError(xmlGenericErrorContext, "%s", buf); /* Just to be consistent, even though we know it can't have a % in it */
837 res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
839 __xmlIOErr(XML_FROM_FTP, 0, "send failed");
847 * @ctx: an FTP context
849 * Tries to open a control connection
851 * Returns -1 in case of error, 0 otherwise
855 xmlNanoFTPConnect(void *ctx) {
856 xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
860 int addrlen = sizeof (struct sockaddr_in);
864 if (ctxt->hostname == NULL)
868 * do the blocking DNS query.
878 memset (&ctxt->ftpAddr, 0, sizeof(ctxt->ftpAddr));
882 struct addrinfo hints, *tmp, *result;
885 memset (&hints, 0, sizeof(hints));
886 hints.ai_socktype = SOCK_STREAM;
889 if (getaddrinfo (proxy, NULL, &hints, &result) != 0) {
890 __xmlIOErr(XML_FROM_FTP, 0, "getaddrinfo failed");
895 if (getaddrinfo (ctxt->hostname, NULL, &hints, &result) != 0) {
896 __xmlIOErr(XML_FROM_FTP, 0, "getaddrinfo failed");
900 for (tmp = result; tmp; tmp = tmp->ai_next)
901 if (tmp->ai_family == AF_INET || tmp->ai_family == AF_INET6)
906 freeaddrinfo (result);
907 __xmlIOErr(XML_FROM_FTP, 0, "getaddrinfo failed");
910 if (tmp->ai_addrlen > sizeof(ctxt->ftpAddr)) {
912 freeaddrinfo (result);
913 __xmlIOErr(XML_FROM_FTP, 0, "gethostbyname address mismatch");
916 if (tmp->ai_family == AF_INET6) {
917 memcpy (&ctxt->ftpAddr, tmp->ai_addr, tmp->ai_addrlen);
918 ((struct sockaddr_in6 *) &ctxt->ftpAddr)->sin6_port = htons (port);
919 ctxt->controlFd = socket (AF_INET6, SOCK_STREAM, 0);
922 memcpy (&ctxt->ftpAddr, tmp->ai_addr, tmp->ai_addrlen);
923 ((struct sockaddr_in *) &ctxt->ftpAddr)->sin_port = htons (port);
924 ctxt->controlFd = socket (AF_INET, SOCK_STREAM, 0);
926 addrlen = tmp->ai_addrlen;
927 freeaddrinfo (result);
933 hp = gethostbyname (GETHOSTBYNAME_ARG_CAST proxy);
935 hp = gethostbyname (GETHOSTBYNAME_ARG_CAST ctxt->hostname);
937 __xmlIOErr(XML_FROM_FTP, 0, "gethostbyname failed");
940 if ((unsigned int) hp->h_length >
941 sizeof(((struct sockaddr_in *)&ctxt->ftpAddr)->sin_addr)) {
942 __xmlIOErr(XML_FROM_FTP, 0, "gethostbyname address mismatch");
949 ((struct sockaddr_in *)&ctxt->ftpAddr)->sin_family = AF_INET;
950 memcpy (&((struct sockaddr_in *)&ctxt->ftpAddr)->sin_addr,
951 hp->h_addr_list[0], hp->h_length);
952 ((struct sockaddr_in *)&ctxt->ftpAddr)->sin_port =
953 (unsigned short)htons ((unsigned short)port);
954 ctxt->controlFd = socket (AF_INET, SOCK_STREAM, 0);
955 addrlen = sizeof (struct sockaddr_in);
958 if (ctxt->controlFd == INVALID_SOCKET) {
959 __xmlIOErr(XML_FROM_FTP, 0, "socket failed");
966 if (connect(ctxt->controlFd, (struct sockaddr *) &ctxt->ftpAddr,
968 __xmlIOErr(XML_FROM_FTP, 0, "Failed to create a connection");
969 closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
970 ctxt->controlFd = INVALID_SOCKET;
975 * Wait for the HELLO from the server.
977 res = xmlNanoFTPGetResponse(ctxt);
979 closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
980 ctxt->controlFd = INVALID_SOCKET;
985 * State diagram for the login operation on the FTP server
990 * +---+ USER +---+------------->+---+
991 * | B |---------->| W | 2 ---->| E |
992 * +---+ +---+------ | -->+---+
995 * -------------- ----- | | |
1001 * +---+ PASS +---+ 2 | ------>+---+
1002 * | |---------->| W |------------->| S |
1003 * +---+ +---+ ---------->+---+
1006 * -------------- -------- |
1012 * +---+ ACCT +---+-- | ----->+---+
1013 * | |---------->| W | 4,5 -------->| F |
1014 * +---+ +---+------------->+---+
1016 * Of course in case of using a proxy this get really nasty and is not
1017 * standardized at all :-(
1023 if (proxyUser != NULL) {
1025 * We need proxy auth
1027 snprintf(buf, sizeof(buf), "USER %s\r\n", proxyUser);
1028 buf[sizeof(buf) - 1] = 0;
1031 xmlGenericError(xmlGenericErrorContext, "%s", buf);
1033 res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
1035 __xmlIOErr(XML_FROM_FTP, 0, "send failed");
1036 closesocket(ctxt->controlFd);
1037 ctxt->controlFd = INVALID_SOCKET;
1040 res = xmlNanoFTPGetResponse(ctxt);
1043 if (proxyPasswd == NULL)
1046 if (proxyPasswd != NULL)
1047 snprintf(buf, sizeof(buf), "PASS %s\r\n", proxyPasswd);
1049 snprintf(buf, sizeof(buf), "PASS anonymous@\r\n");
1050 buf[sizeof(buf) - 1] = 0;
1053 xmlGenericError(xmlGenericErrorContext, "%s", buf);
1055 res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
1057 __xmlIOErr(XML_FROM_FTP, 0, "send failed");
1058 closesocket(ctxt->controlFd);
1059 ctxt->controlFd = INVALID_SOCKET;
1062 res = xmlNanoFTPGetResponse(ctxt);
1064 closesocket(ctxt->controlFd);
1065 ctxt->controlFd = INVALID_SOCKET;
1075 closesocket(ctxt->controlFd);
1076 ctxt->controlFd = INVALID_SOCKET;
1082 * We assume we don't need more authentication to the proxy
1083 * and that it succeeded :-\
1085 switch (proxyType) {
1087 /* we will try in sequence */
1089 /* Using SITE command */
1090 snprintf(buf, sizeof(buf), "SITE %s\r\n", ctxt->hostname);
1091 buf[sizeof(buf) - 1] = 0;
1094 xmlGenericError(xmlGenericErrorContext, "%s", buf);
1096 res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
1098 __xmlIOErr(XML_FROM_FTP, 0, "send failed");
1099 closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
1100 ctxt->controlFd = INVALID_SOCKET;
1103 res = xmlNanoFTPGetResponse(ctxt);
1105 /* we assume it worked :-\ 1 is error for SITE command */
1109 if (proxyType == 1) {
1110 closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
1111 ctxt->controlFd = INVALID_SOCKET;
1115 /* USER user@host command */
1116 if (ctxt->user == NULL)
1117 snprintf(buf, sizeof(buf), "USER anonymous@%s\r\n",
1120 snprintf(buf, sizeof(buf), "USER %s@%s\r\n",
1121 ctxt->user, ctxt->hostname);
1122 buf[sizeof(buf) - 1] = 0;
1125 xmlGenericError(xmlGenericErrorContext, "%s", buf);
1127 res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
1129 __xmlIOErr(XML_FROM_FTP, 0, "send failed");
1130 closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
1131 ctxt->controlFd = INVALID_SOCKET;
1134 res = xmlNanoFTPGetResponse(ctxt);
1135 if ((res == 1) || (res == 2)) {
1136 /* we assume it worked :-\ */
1140 if (ctxt->passwd == NULL)
1141 snprintf(buf, sizeof(buf), "PASS anonymous@\r\n");
1143 snprintf(buf, sizeof(buf), "PASS %s\r\n", ctxt->passwd);
1144 buf[sizeof(buf) - 1] = 0;
1147 xmlGenericError(xmlGenericErrorContext, "%s", buf);
1149 res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
1151 __xmlIOErr(XML_FROM_FTP, 0, "send failed");
1152 closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
1153 ctxt->controlFd = INVALID_SOCKET;
1156 res = xmlNanoFTPGetResponse(ctxt);
1157 if ((res == 1) || (res == 2)) {
1158 /* we assume it worked :-\ */
1162 if (proxyType == 2) {
1163 closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
1164 ctxt->controlFd = INVALID_SOCKET;
1169 * If you need support for other Proxy authentication scheme
1170 * send the code or at least the sequence in use.
1173 closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
1174 ctxt->controlFd = INVALID_SOCKET;
1179 * Non-proxy handling.
1181 res = xmlNanoFTPSendUser(ctxt);
1183 closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
1184 ctxt->controlFd = INVALID_SOCKET;
1187 res = xmlNanoFTPGetResponse(ctxt);
1198 closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
1199 ctxt->controlFd = INVALID_SOCKET;
1202 res = xmlNanoFTPSendPasswd(ctxt);
1204 closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
1205 ctxt->controlFd = INVALID_SOCKET;
1208 res = xmlNanoFTPGetResponse(ctxt);
1213 __xmlIOErr(XML_FROM_FTP, XML_FTP_ACCNT,
1214 "FTP server asking for ACCNT on anonymous\n");
1220 closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
1221 ctxt->controlFd = INVALID_SOCKET;
1229 * xmlNanoFTPConnectTo:
1230 * @server: an FTP server name
1231 * @port: the port (use 21 if 0)
1233 * Tries to open a control connection to the given server/port
1235 * Returns an fTP context or NULL if it failed
1239 xmlNanoFTPConnectTo(const char *server, int port) {
1240 xmlNanoFTPCtxtPtr ctxt;
1248 ctxt = (xmlNanoFTPCtxtPtr) xmlNanoFTPNewCtxt(NULL);
1251 ctxt->hostname = xmlMemStrdup(server);
1252 if (ctxt->hostname == NULL) {
1253 xmlNanoFTPFreeCtxt(ctxt);
1258 res = xmlNanoFTPConnect(ctxt);
1260 xmlNanoFTPFreeCtxt(ctxt);
1268 * @ctx: an FTP context
1269 * @directory: a directory on the server
1271 * Tries to change the remote directory
1273 * Returns -1 incase of error, 1 if CWD worked, 0 if it failed
1277 xmlNanoFTPCwd(void *ctx, const char *directory) {
1278 xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
1283 if ((ctxt == NULL) || (ctxt->controlFd == INVALID_SOCKET)) return(-1);
1284 if (directory == NULL) return 0;
1287 * Expected response code for CWD:
1291 * 500, 501, 502, 421, 530, 550
1293 snprintf(buf, sizeof(buf), "CWD %s\r\n", directory);
1294 buf[sizeof(buf) - 1] = 0;
1297 xmlGenericError(xmlGenericErrorContext, "%s", buf);
1299 res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
1301 __xmlIOErr(XML_FROM_FTP, 0, "send failed");
1304 res = xmlNanoFTPGetResponse(ctxt);
1308 if (res == 2) return(1);
1317 * @ctx: an FTP context
1318 * @file: a file or directory on the server
1320 * Tries to delete an item (file or directory) from server
1322 * Returns -1 incase of error, 1 if DELE worked, 0 if it failed
1326 xmlNanoFTPDele(void *ctx, const char *file) {
1327 xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
1332 if ((ctxt == NULL) || (ctxt->controlFd == INVALID_SOCKET) ||
1333 (file == NULL)) return(-1);
1336 * Expected response code for DELE:
1341 * 500, 501, 502, 421, 530
1344 snprintf(buf, sizeof(buf), "DELE %s\r\n", file);
1345 buf[sizeof(buf) - 1] = 0;
1348 xmlGenericError(xmlGenericErrorContext, "%s", buf);
1350 res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
1352 __xmlIOErr(XML_FROM_FTP, 0, "send failed");
1355 res = xmlNanoFTPGetResponse(ctxt);
1359 if (res == 2) return(1);
1366 * xmlNanoFTPGetConnection:
1367 * @ctx: an FTP context
1369 * Try to open a data connection to the server. Currently only
1370 * passive mode is supported.
1372 * Returns -1 incase of error, 0 otherwise
1376 xmlNanoFTPGetConnection(void *ctx) {
1377 xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
1378 char buf[200], *cur;
1381 unsigned char ad[6], *adp, *portp;
1382 unsigned int temp[6];
1384 struct sockaddr_storage dataAddr;
1386 struct sockaddr_in dataAddr;
1388 XML_SOCKLEN_T dataAddrLen;
1390 if (ctxt == NULL) return INVALID_SOCKET;
1392 memset (&dataAddr, 0, sizeof(dataAddr));
1394 if ((ctxt->ftpAddr).ss_family == AF_INET6) {
1395 ctxt->dataFd = socket (AF_INET6, SOCK_STREAM, IPPROTO_TCP);
1396 ((struct sockaddr_in6 *)&dataAddr)->sin6_family = AF_INET6;
1397 dataAddrLen = sizeof(struct sockaddr_in6);
1401 ctxt->dataFd = socket (AF_INET, SOCK_STREAM, IPPROTO_TCP);
1402 ((struct sockaddr_in *)&dataAddr)->sin_family = AF_INET;
1403 dataAddrLen = sizeof (struct sockaddr_in);
1406 if (ctxt->dataFd == INVALID_SOCKET) {
1407 __xmlIOErr(XML_FROM_FTP, 0, "socket failed");
1408 return INVALID_SOCKET;
1411 if (ctxt->passive) {
1413 if ((ctxt->ftpAddr).ss_family == AF_INET6)
1414 snprintf (buf, sizeof(buf), "EPSV\r\n");
1417 snprintf (buf, sizeof(buf), "PASV\r\n");
1420 xmlGenericError(xmlGenericErrorContext, "%s", buf);
1422 res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
1424 __xmlIOErr(XML_FROM_FTP, 0, "send failed");
1425 closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
1426 return INVALID_SOCKET;
1428 res = xmlNanoFTPReadResponse(ctx);
1431 closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
1432 return INVALID_SOCKET;
1435 * retry with an active connection
1437 closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
1441 cur = &ctxt->controlBuf[ctxt->controlBufAnswer];
1442 while (((*cur < '0') || (*cur > '9')) && *cur != '\0') cur++;
1444 if ((ctxt->ftpAddr).ss_family == AF_INET6) {
1445 if (sscanf (cur, "%u", &temp[0]) != 1) {
1446 __xmlIOErr(XML_FROM_FTP, XML_FTP_EPSV_ANSWER,
1447 "Invalid answer to EPSV\n");
1448 if (ctxt->dataFd != INVALID_SOCKET) {
1449 closesocket (ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
1451 return INVALID_SOCKET;
1453 memcpy (&((struct sockaddr_in6 *)&dataAddr)->sin6_addr, &((struct sockaddr_in6 *)&ctxt->ftpAddr)->sin6_addr, sizeof(struct in6_addr));
1454 ((struct sockaddr_in6 *)&dataAddr)->sin6_port = htons (temp[0]);
1459 if (sscanf (cur, "%u,%u,%u,%u,%u,%u", &temp[0], &temp[1], &temp[2],
1460 &temp[3], &temp[4], &temp[5]) != 6) {
1461 __xmlIOErr(XML_FROM_FTP, XML_FTP_PASV_ANSWER,
1462 "Invalid answer to PASV\n");
1463 if (ctxt->dataFd != INVALID_SOCKET) {
1464 closesocket (ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
1466 return INVALID_SOCKET;
1468 for (i=0; i<6; i++) ad[i] = (unsigned char) (temp[i] & 0xff);
1469 memcpy (&((struct sockaddr_in *)&dataAddr)->sin_addr, &ad[0], 4);
1470 memcpy (&((struct sockaddr_in *)&dataAddr)->sin_port, &ad[4], 2);
1473 if (connect(ctxt->dataFd, (struct sockaddr *) &dataAddr, dataAddrLen) < 0) {
1474 __xmlIOErr(XML_FROM_FTP, 0, "Failed to create a data connection");
1475 closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
1476 return INVALID_SOCKET;
1479 getsockname(ctxt->dataFd, (struct sockaddr *) &dataAddr, &dataAddrLen);
1481 if ((ctxt->ftpAddr).ss_family == AF_INET6)
1482 ((struct sockaddr_in6 *)&dataAddr)->sin6_port = 0;
1485 ((struct sockaddr_in *)&dataAddr)->sin_port = 0;
1487 if (bind(ctxt->dataFd, (struct sockaddr *) &dataAddr, dataAddrLen) < 0) {
1488 __xmlIOErr(XML_FROM_FTP, 0, "bind failed");
1489 closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
1490 return INVALID_SOCKET;
1492 getsockname(ctxt->dataFd, (struct sockaddr *) &dataAddr, &dataAddrLen);
1494 if (listen(ctxt->dataFd, 1) < 0) {
1495 __xmlIOErr(XML_FROM_FTP, 0, "listen failed");
1496 closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
1497 return INVALID_SOCKET;
1500 if ((ctxt->ftpAddr).ss_family == AF_INET6) {
1501 char buf6[INET6_ADDRSTRLEN];
1502 inet_ntop (AF_INET6, &((struct sockaddr_in6 *)&dataAddr)->sin6_addr,
1503 buf6, INET6_ADDRSTRLEN);
1504 adp = (unsigned char *) buf6;
1505 portp = (unsigned char *) &((struct sockaddr_in6 *)&dataAddr)->sin6_port;
1506 snprintf (buf, sizeof(buf), "EPRT |2|%s|%s|\r\n", adp, portp);
1510 adp = (unsigned char *) &((struct sockaddr_in *)&dataAddr)->sin_addr;
1511 portp = (unsigned char *) &((struct sockaddr_in *)&dataAddr)->sin_port;
1512 snprintf (buf, sizeof(buf), "PORT %d,%d,%d,%d,%d,%d\r\n",
1513 adp[0] & 0xff, adp[1] & 0xff, adp[2] & 0xff, adp[3] & 0xff,
1514 portp[0] & 0xff, portp[1] & 0xff);
1517 buf[sizeof(buf) - 1] = 0;
1520 xmlGenericError(xmlGenericErrorContext, "%s", buf);
1523 res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
1525 __xmlIOErr(XML_FROM_FTP, 0, "send failed");
1526 closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
1527 return INVALID_SOCKET;
1529 res = xmlNanoFTPGetResponse(ctxt);
1531 closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
1532 return INVALID_SOCKET;
1535 return(ctxt->dataFd);
1540 * xmlNanoFTPCloseConnection:
1541 * @ctx: an FTP context
1543 * Close the data connection from the server
1545 * Returns -1 incase of error, 0 otherwise
1549 xmlNanoFTPCloseConnection(void *ctx) {
1550 xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
1555 if ((ctxt == NULL) || (ctxt->controlFd == INVALID_SOCKET)) return(-1);
1557 closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
1561 FD_SET(ctxt->controlFd, &rfd);
1563 FD_SET(ctxt->controlFd, &efd);
1564 res = select(ctxt->controlFd + 1, &rfd, NULL, &efd, &tv);
1569 closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
1574 xmlGenericError(xmlGenericErrorContext,
1575 "xmlNanoFTPCloseConnection: timeout\n");
1577 closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
1579 res = xmlNanoFTPGetResponse(ctxt);
1581 closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
1589 * xmlNanoFTPParseList:
1590 * @list: some data listing received from the server
1591 * @callback: the user callback
1592 * @userData: the user callback data
1594 * Parse at most one entry from the listing.
1596 * Returns -1 incase of error, the length of data parsed otherwise
1600 xmlNanoFTPParseList(const char *list, ftpListCallback callback, void *userData) {
1601 const char *cur = list;
1611 unsigned long size = 0;
1615 if (!strncmp(cur, "total", 5)) {
1617 while (*cur == ' ') cur++;
1618 while ((*cur >= '0') && (*cur <= '9'))
1619 links = (links * 10) + (*cur++ - '0');
1620 while ((*cur == ' ') || (*cur == '\n') || (*cur == '\r'))
1623 } else if (*list == '+') {
1626 while ((*cur == ' ') || (*cur == '\n') || (*cur == '\r'))
1628 if (*cur == 0) return(0);
1630 while (*cur != ' ') {
1634 if (*cur == 0) return(0);
1637 while (*cur == ' ') cur++;
1638 if (*cur == 0) return(0);
1639 while ((*cur >= '0') && (*cur <= '9'))
1640 links = (links * 10) + (*cur++ - '0');
1641 while (*cur == ' ') cur++;
1642 if (*cur == 0) return(0);
1644 while (*cur != ' ') {
1648 if (*cur == 0) return(0);
1651 while (*cur == ' ') cur++;
1652 if (*cur == 0) return(0);
1654 while (*cur != ' ') {
1658 if (*cur == 0) return(0);
1661 while (*cur == ' ') cur++;
1662 if (*cur == 0) return(0);
1663 while ((*cur >= '0') && (*cur <= '9'))
1664 size = (size * 10) + (*cur++ - '0');
1665 while (*cur == ' ') cur++;
1666 if (*cur == 0) return(0);
1668 while (*cur != ' ') {
1672 if (*cur == 0) return(0);
1675 while (*cur == ' ') cur++;
1676 if (*cur == 0) return(0);
1677 while ((*cur >= '0') && (*cur <= '9'))
1678 day = (day * 10) + (*cur++ - '0');
1679 while (*cur == ' ') cur++;
1680 if (*cur == 0) return(0);
1681 if ((cur[1] == 0) || (cur[2] == 0)) return(0);
1682 if ((cur[1] == ':') || (cur[2] == ':')) {
1683 while ((*cur >= '0') && (*cur <= '9'))
1684 hour = (hour * 10) + (*cur++ - '0');
1685 if (*cur == ':') cur++;
1686 while ((*cur >= '0') && (*cur <= '9'))
1687 minute = (minute * 10) + (*cur++ - '0');
1689 while ((*cur >= '0') && (*cur <= '9'))
1690 year = (year * 10) + (*cur++ - '0');
1692 while (*cur == ' ') cur++;
1693 if (*cur == 0) return(0);
1695 while ((*cur != '\n') && (*cur != '\r')) {
1697 filename[i++] = *cur;
1699 if (*cur == 0) return(0);
1702 if ((*cur != '\n') && (*cur != '\r'))
1704 while ((*cur == '\n') || (*cur == '\r'))
1707 if (callback != NULL) {
1708 callback(userData, filename, attrib, owner, group, size, links,
1709 year, month, day, hour, minute);
1716 * @ctx: an FTP context
1717 * @callback: the user callback
1718 * @userData: the user callback data
1719 * @filename: optional files to list
1721 * Do a listing on the server. All files info are passed back
1724 * Returns -1 incase of error, 0 otherwise
1728 xmlNanoFTPList(void *ctx, ftpListCallback callback, void *userData,
1729 const char *filename) {
1730 xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
1737 if (ctxt == NULL) return (-1);
1738 if (filename == NULL) {
1739 if (xmlNanoFTPCwd(ctxt, ctxt->path) < 1)
1741 ctxt->dataFd = xmlNanoFTPGetConnection(ctxt);
1742 if (ctxt->dataFd == INVALID_SOCKET)
1744 snprintf(buf, sizeof(buf), "LIST -L\r\n");
1746 if (filename[0] != '/') {
1747 if (xmlNanoFTPCwd(ctxt, ctxt->path) < 1)
1750 ctxt->dataFd = xmlNanoFTPGetConnection(ctxt);
1751 if (ctxt->dataFd == INVALID_SOCKET)
1753 snprintf(buf, sizeof(buf), "LIST -L %s\r\n", filename);
1755 buf[sizeof(buf) - 1] = 0;
1758 xmlGenericError(xmlGenericErrorContext, "%s", buf);
1760 res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
1762 __xmlIOErr(XML_FROM_FTP, 0, "send failed");
1763 closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
1766 res = xmlNanoFTPReadResponse(ctxt);
1768 closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
1776 FD_SET(ctxt->dataFd, &rfd);
1778 FD_SET(ctxt->dataFd, &efd);
1779 res = select(ctxt->dataFd + 1, &rfd, NULL, &efd, &tv);
1784 closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
1788 res = xmlNanoFTPCheckResponse(ctxt);
1790 closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
1791 ctxt->dataFd = INVALID_SOCKET;
1795 closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
1802 if ((len = recv(ctxt->dataFd, &buf[indx], sizeof(buf) - (indx + 1), 0)) < 0) {
1803 __xmlIOErr(XML_FROM_FTP, 0, "recv");
1804 closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
1805 ctxt->dataFd = INVALID_SOCKET;
1809 write(1, &buf[indx], len);
1815 res = xmlNanoFTPParseList(&buf[base], callback, userData);
1819 memmove(&buf[0], &buf[base], indx - base);
1822 xmlNanoFTPCloseConnection(ctxt);
1827 * xmlNanoFTPGetSocket:
1828 * @ctx: an FTP context
1829 * @filename: the file to retrieve (or NULL if path is in context).
1831 * Initiate fetch of the given file from the server.
1833 * Returns the socket for the data connection, or <0 in case of error
1838 xmlNanoFTPGetSocket(void *ctx, const char *filename) {
1839 xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
1843 return INVALID_SOCKET;
1844 if ((filename == NULL) && (ctxt->path == NULL))
1845 return INVALID_SOCKET;
1846 ctxt->dataFd = xmlNanoFTPGetConnection(ctxt);
1847 if (ctxt->dataFd == INVALID_SOCKET)
1848 return INVALID_SOCKET;
1850 snprintf(buf, sizeof(buf), "TYPE I\r\n");
1853 xmlGenericError(xmlGenericErrorContext, "%s", buf);
1855 res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
1857 __xmlIOErr(XML_FROM_FTP, 0, "send failed");
1858 closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
1859 return INVALID_SOCKET;
1861 res = xmlNanoFTPReadResponse(ctxt);
1863 closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
1864 return INVALID_SOCKET;
1866 if (filename == NULL)
1867 snprintf(buf, sizeof(buf), "RETR %s\r\n", ctxt->path);
1869 snprintf(buf, sizeof(buf), "RETR %s\r\n", filename);
1870 buf[sizeof(buf) - 1] = 0;
1873 xmlGenericError(xmlGenericErrorContext, "%s", buf);
1875 res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
1877 __xmlIOErr(XML_FROM_FTP, 0, "send failed");
1878 closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
1879 return INVALID_SOCKET;
1881 res = xmlNanoFTPReadResponse(ctxt);
1883 closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
1884 return INVALID_SOCKET;
1886 return(ctxt->dataFd);
1891 * @ctx: an FTP context
1892 * @callback: the user callback
1893 * @userData: the user callback data
1894 * @filename: the file to retrieve
1896 * Fetch the given file from the server. All data are passed back
1897 * in the callbacks. The last callback has a size of 0 block.
1899 * Returns -1 incase of error, 0 otherwise
1903 xmlNanoFTPGet(void *ctx, ftpDataCallback callback, void *userData,
1904 const char *filename) {
1905 xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
1911 if (ctxt == NULL) return(-1);
1912 if ((filename == NULL) && (ctxt->path == NULL))
1914 if (callback == NULL)
1916 if (xmlNanoFTPGetSocket(ctxt, filename) == INVALID_SOCKET)
1923 FD_SET(ctxt->dataFd, &rfd);
1924 res = select(ctxt->dataFd + 1, &rfd, NULL, NULL, &tv);
1929 closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
1933 res = xmlNanoFTPCheckResponse(ctxt);
1935 closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
1936 ctxt->dataFd = INVALID_SOCKET;
1940 closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
1946 if ((len = recv(ctxt->dataFd, buf, sizeof(buf), 0)) < 0) {
1947 __xmlIOErr(XML_FROM_FTP, 0, "recv failed");
1948 callback(userData, buf, len);
1949 closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
1952 callback(userData, buf, len);
1955 return(xmlNanoFTPCloseConnection(ctxt));
1960 * @ctx: the FTP context
1962 * @len: the buffer length
1964 * This function tries to read @len bytes from the existing FTP connection
1965 * and saves them in @dest. This is a blocking call.
1967 * Returns the number of byte read. 0 is an indication of an end of connection.
1968 * -1 indicates a parameter error.
1971 xmlNanoFTPRead(void *ctx, void *dest, int len) {
1972 xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
1974 if (ctx == NULL) return(-1);
1975 if (ctxt->dataFd == INVALID_SOCKET) return(0);
1976 if (dest == NULL) return(-1);
1977 if (len <= 0) return(0);
1979 len = recv(ctxt->dataFd, dest, len, 0);
1982 __xmlIOErr(XML_FROM_FTP, 0, "recv failed");
1983 xmlNanoFTPCloseConnection(ctxt);
1986 xmlGenericError(xmlGenericErrorContext, "Recvd %d bytes\n", len);
1993 * @URL: the URL to the resource
1995 * Start to fetch the given ftp:// resource
1997 * Returns an FTP context, or NULL
2001 xmlNanoFTPOpen(const char *URL) {
2002 xmlNanoFTPCtxtPtr ctxt;
2006 if (URL == NULL) return(NULL);
2007 if (strncmp("ftp://", URL, 6)) return(NULL);
2009 ctxt = (xmlNanoFTPCtxtPtr) xmlNanoFTPNewCtxt(URL);
2010 if (ctxt == NULL) return(NULL);
2011 if (xmlNanoFTPConnect(ctxt) < 0) {
2012 xmlNanoFTPFreeCtxt(ctxt);
2015 sock = xmlNanoFTPGetSocket(ctxt, ctxt->path);
2016 if (sock == INVALID_SOCKET) {
2017 xmlNanoFTPFreeCtxt(ctxt);
2025 * @ctx: an FTP context
2027 * Close the connection and both control and transport
2029 * Returns -1 incase of error, 0 otherwise
2033 xmlNanoFTPClose(void *ctx) {
2034 xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
2039 if (ctxt->dataFd != INVALID_SOCKET) {
2040 closesocket(ctxt->dataFd);
2041 ctxt->dataFd = INVALID_SOCKET;
2043 if (ctxt->controlFd != INVALID_SOCKET) {
2044 xmlNanoFTPQuit(ctxt);
2045 closesocket(ctxt->controlFd);
2046 ctxt->controlFd = INVALID_SOCKET;
2048 xmlNanoFTPFreeCtxt(ctxt);
2053 /************************************************************************
2055 * Basic test in Standalone mode *
2057 ************************************************************************/
2059 void ftpList(void *userData, const char *filename, const char* attrib,
2060 const char *owner, const char *group, unsigned long size, int links,
2061 int year, const char *month, int day, int hour, int minute) {
2062 xmlGenericError(xmlGenericErrorContext,
2063 "%s %s %s %ld %s\n", attrib, owner, group, size, filename);
2066 void ftpData(void *userData, const char *data, int len) {
2067 if (userData == NULL) return;
2069 fclose((FILE*)userData);
2072 fwrite(data, len, 1, (FILE*)userData);
2075 int main(int argc, char **argv) {
2078 char *tstfile = NULL;
2082 ctxt = xmlNanoFTPNewCtxt(argv[1]);
2083 if (xmlNanoFTPConnect(ctxt) < 0) {
2084 xmlGenericError(xmlGenericErrorContext,
2085 "Couldn't connect to %s\n", argv[1]);
2091 ctxt = xmlNanoFTPConnectTo("localhost", 0);
2093 xmlGenericError(xmlGenericErrorContext,
2094 "Couldn't connect to localhost\n");
2097 xmlNanoFTPList(ctxt, ftpList, NULL, tstfile);
2098 output = fopen("/tmp/tstdata", "w");
2099 if (output != NULL) {
2100 if (xmlNanoFTPGet(ctxt, ftpData, (void *) output, tstfile) < 0)
2101 xmlGenericError(xmlGenericErrorContext,
2102 "Failed to get file\n");
2105 xmlNanoFTPClose(ctxt);
2109 #endif /* STANDALONE */
2110 #else /* !LIBXML_FTP_ENABLED */
2113 int main(int argc, char **argv) {
2114 xmlGenericError(xmlGenericErrorContext,
2115 "%s : FTP support not compiled in\n", argv[0]);
2118 #endif /* STANDALONE */
2119 #endif /* LIBXML_FTP_ENABLED */
2120 #define bottom_nanoftp
2121 #include "elfgcchack.h"