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
20 #ifdef LIBXML_FTP_ENABLED
29 #ifdef HAVE_SYS_SOCKET_H
30 #include <sys/socket.h>
32 #ifdef HAVE_NETINET_IN_H
33 #include <netinet/in.h>
35 #ifdef HAVE_ARPA_INET_H
36 #include <arpa/inet.h>
47 #ifdef HAVE_SYS_TIME_H
50 #ifdef HAVE_SYS_SELECT_H
51 #include <sys/select.h>
53 #ifdef HAVE_SYS_SOCKET_H
54 #include <sys/socket.h>
56 #ifdef HAVE_SYS_TYPES_H
57 #include <sys/types.h>
63 #include <libxml/xmlmemory.h>
64 #include <libxml/parser.h>
65 #include <libxml/xmlerror.h>
66 #include <libxml/uri.h>
67 #include <libxml/nanoftp.h>
68 #include <libxml/globals.h>
70 /* #define DEBUG_FTP 1 */
78 #if defined(_WIN32) && !defined(__CYGWIN__)
79 #include <wsockcompat.h>
83 * A couple portability macros
86 #if !defined(__BEOS__) || defined(__HAIKU__)
87 #define closesocket(s) close(s)
93 #define PF_INET AF_INET
98 #ifdef HAVE_BROKEN_SS_FAMILY
99 #define ss_family __ss_family
103 #ifndef XML_SOCKLEN_T
104 #define XML_SOCKLEN_T unsigned int
107 #define FTP_COMMAND_OK 200
108 #define FTP_SYNTAX_ERROR 500
109 #define FTP_GET_PASSWD 331
110 #define FTP_BUF_SIZE 1024
112 #define XML_NANO_MAX_URLBUF 4096
114 typedef struct xmlNanoFTPCtxt {
115 char *protocol; /* the protocol name */
116 char *hostname; /* the host name */
117 int port; /* the port */
118 char *path; /* the path within the URL */
119 char *user; /* user string */
120 char *passwd; /* passwd string */
122 struct sockaddr_storage ftpAddr; /* this is large enough to hold IPv6 address*/
124 struct sockaddr_in ftpAddr; /* the socket address struct */
126 int passive; /* currently we support only passive !!! */
127 SOCKET controlFd; /* the file descriptor for the control socket */
128 SOCKET dataFd; /* the file descriptor for the data socket */
129 int state; /* WRITE / READ / CLOSED */
130 int returnValue; /* the protocol return value */
131 /* buffer for data received from the control connection */
132 char controlBuf[FTP_BUF_SIZE + 1];
135 int controlBufAnswer;
136 } xmlNanoFTPCtxt, *xmlNanoFTPCtxtPtr;
138 static int initialized = 0;
139 static char *proxy = NULL; /* the proxy name if any */
140 static int proxyPort = 0; /* the proxy port if any */
141 static char *proxyUser = NULL; /* user for proxy authentication */
142 static char *proxyPasswd = NULL;/* passwd for proxy authentication */
143 static int proxyType = 0; /* uses TYPE or a@b ? */
147 int have_ipv6(void) {
150 s = socket (AF_INET6, SOCK_STREAM, 0);
161 * @extra: extra informations
163 * Handle an out of memory condition
166 xmlFTPErrMemory(const char *extra)
168 __xmlSimpleError(XML_FROM_FTP, XML_ERR_NO_MEMORY, NULL, NULL, extra);
174 * Initialize the FTP protocol layer.
175 * Currently it just checks for proxy informations,
176 * and get the hostname
180 xmlNanoFTPInit(void) {
190 if (WSAStartup(MAKEWORD(1, 1), &wsaData) != 0)
195 env = getenv("no_proxy");
196 if (env && ((env[0] == '*' ) && (env[1] == 0)))
198 env = getenv("ftp_proxy");
200 xmlNanoFTPScanProxy(env);
202 env = getenv("FTP_PROXY");
204 xmlNanoFTPScanProxy(env);
207 env = getenv("ftp_proxy_user");
209 proxyUser = xmlMemStrdup(env);
211 env = getenv("ftp_proxy_password");
213 proxyPasswd = xmlMemStrdup(env);
221 * Cleanup the FTP protocol layer. This cleanup proxy informations.
225 xmlNanoFTPCleanup(void) {
230 if (proxyUser != NULL) {
234 if (proxyPasswd != NULL) {
235 xmlFree(proxyPasswd);
247 * @host: the proxy host name
248 * @port: the proxy port
249 * @user: the proxy user name
250 * @passwd: the proxy password
251 * @type: the type of proxy 1 for using SITE, 2 for USER a@b
253 * Setup the FTP proxy informations.
254 * This can also be done by using ftp_proxy ftp_proxy_user and
255 * ftp_proxy_password environment variables.
259 xmlNanoFTPProxy(const char *host, int port, const char *user,
260 const char *passwd, int type) {
265 if (proxyUser != NULL) {
269 if (proxyPasswd != NULL) {
270 xmlFree(proxyPasswd);
274 proxy = xmlMemStrdup(host);
276 proxyUser = xmlMemStrdup(user);
278 proxyPasswd = xmlMemStrdup(passwd);
285 * @ctx: an FTP context
286 * @URL: The URL used to initialize the context
288 * (Re)Initialize an FTP context by parsing the URL and finding
289 * the protocol host port and path it indicates.
293 xmlNanoFTPScanURL(void *ctx, const char *URL) {
294 xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
298 * Clear any existing data from the context
300 if (ctxt->protocol != NULL) {
301 xmlFree(ctxt->protocol);
302 ctxt->protocol = NULL;
304 if (ctxt->hostname != NULL) {
305 xmlFree(ctxt->hostname);
306 ctxt->hostname = NULL;
308 if (ctxt->path != NULL) {
312 if (URL == NULL) return;
314 uri = xmlParseURIRaw(URL, 1);
318 if ((uri->scheme == NULL) || (uri->server == NULL)) {
323 ctxt->protocol = xmlMemStrdup(uri->scheme);
324 ctxt->hostname = xmlMemStrdup(uri->server);
325 if (uri->path != NULL)
326 ctxt->path = xmlMemStrdup(uri->path);
328 ctxt->path = xmlMemStrdup("/");
330 ctxt->port = uri->port;
332 if (uri->user != NULL) {
334 if ((cptr=strchr(uri->user, ':')) == NULL)
335 ctxt->user = xmlMemStrdup(uri->user);
337 ctxt->user = (char *)xmlStrndup((xmlChar *)uri->user,
339 ctxt->passwd = xmlMemStrdup(cptr+1);
348 * xmlNanoFTPUpdateURL:
349 * @ctx: an FTP context
350 * @URL: The URL used to update the context
352 * Update an FTP context by parsing the URL and finding
353 * new path it indicates. If there is an error in the
354 * protocol, hostname, port or other information, the
355 * error is raised. It indicates a new connection has to
358 * Returns 0 if Ok, -1 in case of error (other host).
362 xmlNanoFTPUpdateURL(void *ctx, const char *URL) {
363 xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
370 if (ctxt->protocol == NULL)
372 if (ctxt->hostname == NULL)
375 uri = xmlParseURIRaw(URL, 1);
379 if ((uri->scheme == NULL) || (uri->server == NULL)) {
383 if ((strcmp(ctxt->protocol, uri->scheme)) ||
384 (strcmp(ctxt->hostname, uri->server)) ||
385 ((uri->port != 0) && (ctxt->port != uri->port))) {
391 ctxt->port = uri->port;
393 if (ctxt->path != NULL) {
398 if (uri->path == NULL)
399 ctxt->path = xmlMemStrdup("/");
401 ctxt->path = xmlMemStrdup(uri->path);
409 * xmlNanoFTPScanProxy:
410 * @URL: The proxy URL used to initialize the proxy context
412 * (Re)Initialize the FTP Proxy context by parsing the URL and finding
413 * the protocol host port it indicates.
414 * Should be like ftp://myproxy/ or ftp://myproxy:3128/
415 * A NULL URL cleans up proxy informations.
419 xmlNanoFTPScanProxy(const char *URL) {
430 xmlGenericError(xmlGenericErrorContext,
431 "Removing FTP proxy info\n");
433 xmlGenericError(xmlGenericErrorContext,
434 "Using FTP proxy %s\n", URL);
436 if (URL == NULL) return;
438 uri = xmlParseURIRaw(URL, 1);
439 if ((uri == NULL) || (uri->scheme == NULL) ||
440 (strcmp(uri->scheme, "ftp")) || (uri->server == NULL)) {
441 __xmlIOErr(XML_FROM_FTP, XML_FTP_URL_SYNTAX, "Syntax Error\n");
447 proxy = xmlMemStrdup(uri->server);
449 proxyPort = uri->port;
456 * @URL: The URL used to initialize the context
458 * Allocate and initialize a new FTP context.
460 * Returns an FTP context or NULL in case of error.
464 xmlNanoFTPNewCtxt(const char *URL) {
465 xmlNanoFTPCtxtPtr ret;
468 ret = (xmlNanoFTPCtxtPtr) xmlMalloc(sizeof(xmlNanoFTPCtxt));
470 xmlFTPErrMemory("allocating FTP context");
474 memset(ret, 0, sizeof(xmlNanoFTPCtxt));
477 ret->returnValue = 0;
478 ret->controlBufIndex = 0;
479 ret->controlBufUsed = 0;
480 ret->controlFd = INVALID_SOCKET;
482 unescaped = xmlURIUnescapeString(URL, 0, NULL);
483 if (unescaped != NULL) {
484 xmlNanoFTPScanURL(ret, unescaped);
486 } else if (URL != NULL)
487 xmlNanoFTPScanURL(ret, URL);
493 * xmlNanoFTPFreeCtxt:
494 * @ctx: an FTP context
496 * Frees the context after closing the connection.
500 xmlNanoFTPFreeCtxt(void * ctx) {
501 xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
502 if (ctxt == NULL) return;
503 if (ctxt->hostname != NULL) xmlFree(ctxt->hostname);
504 if (ctxt->protocol != NULL) xmlFree(ctxt->protocol);
505 if (ctxt->path != NULL) xmlFree(ctxt->path);
506 if (ctxt->user != NULL) xmlFree(ctxt->user);
507 if (ctxt->passwd != NULL) xmlFree(ctxt->passwd);
509 if (ctxt->controlFd != INVALID_SOCKET) closesocket(ctxt->controlFd);
510 ctxt->controlFd = INVALID_SOCKET;
511 ctxt->controlBufIndex = -1;
512 ctxt->controlBufUsed = -1;
517 * xmlNanoFTPParseResponse:
518 * @buf: the buffer containing the response
519 * @len: the buffer length
521 * Parsing of the server answer, we just extract the code.
523 * returns 0 for errors
524 * +XXX for last line of response
525 * -XXX for response to be continued
528 xmlNanoFTPParseResponse(char *buf, int len) {
531 if (len < 3) return(-1);
532 if ((*buf >= '0') && (*buf <= '9'))
533 val = val * 10 + (*buf - '0');
537 if ((*buf >= '0') && (*buf <= '9'))
538 val = val * 10 + (*buf - '0');
542 if ((*buf >= '0') && (*buf <= '9'))
543 val = val * 10 + (*buf - '0');
554 * @ctx: an FTP context
556 * Read more information from the FTP control connection
557 * Returns the number of bytes read, < 0 indicates an error
560 xmlNanoFTPGetMore(void *ctx) {
561 xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
565 if ((ctxt == NULL) || (ctxt->controlFd == INVALID_SOCKET)) return(-1);
567 if ((ctxt->controlBufIndex < 0) || (ctxt->controlBufIndex > FTP_BUF_SIZE)) {
569 xmlGenericError(xmlGenericErrorContext,
570 "xmlNanoFTPGetMore : controlBufIndex = %d\n",
571 ctxt->controlBufIndex);
576 if ((ctxt->controlBufUsed < 0) || (ctxt->controlBufUsed > FTP_BUF_SIZE)) {
578 xmlGenericError(xmlGenericErrorContext,
579 "xmlNanoFTPGetMore : controlBufUsed = %d\n",
580 ctxt->controlBufUsed);
584 if (ctxt->controlBufIndex > ctxt->controlBufUsed) {
586 xmlGenericError(xmlGenericErrorContext,
587 "xmlNanoFTPGetMore : controlBufIndex > controlBufUsed %d > %d\n",
588 ctxt->controlBufIndex, ctxt->controlBufUsed);
594 * First pack the control buffer
596 if (ctxt->controlBufIndex > 0) {
597 memmove(&ctxt->controlBuf[0], &ctxt->controlBuf[ctxt->controlBufIndex],
598 ctxt->controlBufUsed - ctxt->controlBufIndex);
599 ctxt->controlBufUsed -= ctxt->controlBufIndex;
600 ctxt->controlBufIndex = 0;
602 size = FTP_BUF_SIZE - ctxt->controlBufUsed;
605 xmlGenericError(xmlGenericErrorContext,
606 "xmlNanoFTPGetMore : buffer full %d \n", ctxt->controlBufUsed);
612 * Read the amount left on the control connection
614 if ((len = recv(ctxt->controlFd, &ctxt->controlBuf[ctxt->controlBufIndex],
616 __xmlIOErr(XML_FROM_FTP, 0, "recv failed");
617 closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
618 ctxt->controlFd = INVALID_SOCKET;
622 xmlGenericError(xmlGenericErrorContext,
623 "xmlNanoFTPGetMore : read %d [%d - %d]\n", len,
624 ctxt->controlBufUsed, ctxt->controlBufUsed + len);
626 ctxt->controlBufUsed += len;
627 ctxt->controlBuf[ctxt->controlBufUsed] = 0;
633 * xmlNanoFTPReadResponse:
634 * @ctx: an FTP context
636 * Read the response from the FTP server after a command.
637 * Returns the code number
640 xmlNanoFTPReadResponse(void *ctx) {
641 xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
644 int res = -1, cur = -1;
646 if ((ctxt == NULL) || (ctxt->controlFd == INVALID_SOCKET)) return(-1);
650 * Assumes everything up to controlBuf[controlBufIndex] has been read
653 len = xmlNanoFTPGetMore(ctx);
657 if ((ctxt->controlBufUsed == 0) && (len == 0)) {
660 ptr = &ctxt->controlBuf[ctxt->controlBufIndex];
661 end = &ctxt->controlBuf[ctxt->controlBufUsed];
664 xmlGenericError(xmlGenericErrorContext,
665 "\n<<<\n%s\n--\n", ptr);
668 cur = xmlNanoFTPParseResponse(ptr, end - ptr);
671 * Successfully scanned the control code, scratch
672 * till the end of the line, but keep the index to be
673 * able to analyze the result if needed.
677 ctxt->controlBufAnswer = ptr - ctxt->controlBuf;
678 while ((ptr < end) && (*ptr != '\n')) ptr++;
679 if (*ptr == '\n') ptr++;
680 if (*ptr == '\r') ptr++;
683 while ((ptr < end) && (*ptr != '\n')) ptr++;
685 ctxt->controlBufIndex = ctxt->controlBufUsed;
688 if (*ptr != '\r') ptr++;
691 if (res < 0) goto get_more;
692 ctxt->controlBufIndex = ptr - ctxt->controlBuf;
694 ptr = &ctxt->controlBuf[ctxt->controlBufIndex];
695 xmlGenericError(xmlGenericErrorContext, "\n---\n%s\n--\n", ptr);
699 xmlGenericError(xmlGenericErrorContext, "Got %d\n", res);
705 * xmlNanoFTPGetResponse:
706 * @ctx: an FTP context
708 * Get the response from the FTP server after a command.
709 * Returns the code number
713 xmlNanoFTPGetResponse(void *ctx) {
716 res = xmlNanoFTPReadResponse(ctx);
722 * xmlNanoFTPCheckResponse:
723 * @ctx: an FTP context
725 * Check if there is a response from the FTP server after a command.
726 * Returns the code number, or 0
730 xmlNanoFTPCheckResponse(void *ctx) {
731 xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
735 if ((ctxt == NULL) || (ctxt->controlFd == INVALID_SOCKET)) return(-1);
739 FD_SET(ctxt->controlFd, &rfd);
740 switch(select(ctxt->controlFd + 1, &rfd, NULL, NULL, &tv)) {
744 __xmlIOErr(XML_FROM_FTP, 0, "select");
749 return(xmlNanoFTPReadResponse(ctx));
753 * Send the user authentication
757 xmlNanoFTPSendUser(void *ctx) {
758 xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
763 if (ctxt->user == NULL)
764 snprintf(buf, sizeof(buf), "USER anonymous\r\n");
766 snprintf(buf, sizeof(buf), "USER %s\r\n", ctxt->user);
767 buf[sizeof(buf) - 1] = 0;
770 xmlGenericError(xmlGenericErrorContext, "%s", buf);
772 res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
774 __xmlIOErr(XML_FROM_FTP, 0, "send failed");
781 * Send the password authentication
785 xmlNanoFTPSendPasswd(void *ctx) {
786 xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
791 if (ctxt->passwd == NULL)
792 snprintf(buf, sizeof(buf), "PASS anonymous@\r\n");
794 snprintf(buf, sizeof(buf), "PASS %s\r\n", ctxt->passwd);
795 buf[sizeof(buf) - 1] = 0;
798 xmlGenericError(xmlGenericErrorContext, "%s", buf);
800 res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
802 __xmlIOErr(XML_FROM_FTP, 0, "send failed");
810 * @ctx: an FTP context
812 * Send a QUIT command to the server
814 * Returns -1 in case of error, 0 otherwise
819 xmlNanoFTPQuit(void *ctx) {
820 xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
824 if ((ctxt == NULL) || (ctxt->controlFd == INVALID_SOCKET)) return(-1);
826 snprintf(buf, sizeof(buf), "QUIT\r\n");
829 xmlGenericError(xmlGenericErrorContext, "%s", buf); /* Just to be consistent, even though we know it can't have a % in it */
831 res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
833 __xmlIOErr(XML_FROM_FTP, 0, "send failed");
841 * @ctx: an FTP context
843 * Tries to open a control connection
845 * Returns -1 in case of error, 0 otherwise
849 xmlNanoFTPConnect(void *ctx) {
850 xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
854 int addrlen = sizeof (struct sockaddr_in);
858 if (ctxt->hostname == NULL)
862 * do the blocking DNS query.
872 memset (&ctxt->ftpAddr, 0, sizeof(ctxt->ftpAddr));
876 struct addrinfo hints, *tmp, *result;
879 memset (&hints, 0, sizeof(hints));
880 hints.ai_socktype = SOCK_STREAM;
883 if (getaddrinfo (proxy, NULL, &hints, &result) != 0) {
884 __xmlIOErr(XML_FROM_FTP, 0, "getaddrinfo failed");
889 if (getaddrinfo (ctxt->hostname, NULL, &hints, &result) != 0) {
890 __xmlIOErr(XML_FROM_FTP, 0, "getaddrinfo failed");
894 for (tmp = result; tmp; tmp = tmp->ai_next)
895 if (tmp->ai_family == AF_INET || tmp->ai_family == AF_INET6)
900 freeaddrinfo (result);
901 __xmlIOErr(XML_FROM_FTP, 0, "getaddrinfo failed");
904 if ((size_t)tmp->ai_addrlen > sizeof(ctxt->ftpAddr)) {
906 freeaddrinfo (result);
907 __xmlIOErr(XML_FROM_FTP, 0, "gethostbyname address mismatch");
910 if (tmp->ai_family == AF_INET6) {
911 memcpy (&ctxt->ftpAddr, tmp->ai_addr, tmp->ai_addrlen);
912 ((struct sockaddr_in6 *) &ctxt->ftpAddr)->sin6_port = htons (port);
913 ctxt->controlFd = socket (AF_INET6, SOCK_STREAM, 0);
916 memcpy (&ctxt->ftpAddr, tmp->ai_addr, tmp->ai_addrlen);
917 ((struct sockaddr_in *) &ctxt->ftpAddr)->sin_port = htons (port);
918 ctxt->controlFd = socket (AF_INET, SOCK_STREAM, 0);
920 addrlen = tmp->ai_addrlen;
921 freeaddrinfo (result);
927 hp = gethostbyname (GETHOSTBYNAME_ARG_CAST proxy);
929 hp = gethostbyname (GETHOSTBYNAME_ARG_CAST ctxt->hostname);
931 __xmlIOErr(XML_FROM_FTP, 0, "gethostbyname failed");
934 if ((unsigned int) hp->h_length >
935 sizeof(((struct sockaddr_in *)&ctxt->ftpAddr)->sin_addr)) {
936 __xmlIOErr(XML_FROM_FTP, 0, "gethostbyname address mismatch");
943 ((struct sockaddr_in *)&ctxt->ftpAddr)->sin_family = AF_INET;
944 memcpy (&((struct sockaddr_in *)&ctxt->ftpAddr)->sin_addr,
945 hp->h_addr_list[0], hp->h_length);
946 ((struct sockaddr_in *)&ctxt->ftpAddr)->sin_port =
947 (unsigned short)htons ((unsigned short)port);
948 ctxt->controlFd = socket (AF_INET, SOCK_STREAM, 0);
949 addrlen = sizeof (struct sockaddr_in);
952 if (ctxt->controlFd == INVALID_SOCKET) {
953 __xmlIOErr(XML_FROM_FTP, 0, "socket failed");
960 if (connect(ctxt->controlFd, (struct sockaddr *) &ctxt->ftpAddr,
962 __xmlIOErr(XML_FROM_FTP, 0, "Failed to create a connection");
963 closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
964 ctxt->controlFd = INVALID_SOCKET;
969 * Wait for the HELLO from the server.
971 res = xmlNanoFTPGetResponse(ctxt);
973 closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
974 ctxt->controlFd = INVALID_SOCKET;
979 * State diagram for the login operation on the FTP server
984 * +---+ USER +---+------------->+---+
985 * | B |---------->| W | 2 ---->| E |
986 * +---+ +---+------ | -->+---+
989 * -------------- ----- | | |
995 * +---+ PASS +---+ 2 | ------>+---+
996 * | |---------->| W |------------->| S |
997 * +---+ +---+ ---------->+---+
1000 * -------------- -------- |
1006 * +---+ ACCT +---+-- | ----->+---+
1007 * | |---------->| W | 4,5 -------->| F |
1008 * +---+ +---+------------->+---+
1010 * Of course in case of using a proxy this get really nasty and is not
1011 * standardized at all :-(
1017 if (proxyUser != NULL) {
1019 * We need proxy auth
1021 snprintf(buf, sizeof(buf), "USER %s\r\n", proxyUser);
1022 buf[sizeof(buf) - 1] = 0;
1025 xmlGenericError(xmlGenericErrorContext, "%s", buf);
1027 res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
1029 __xmlIOErr(XML_FROM_FTP, 0, "send failed");
1030 closesocket(ctxt->controlFd);
1031 ctxt->controlFd = INVALID_SOCKET;
1034 res = xmlNanoFTPGetResponse(ctxt);
1037 if (proxyPasswd == NULL)
1039 /* Falls through. */
1041 if (proxyPasswd != NULL)
1042 snprintf(buf, sizeof(buf), "PASS %s\r\n", proxyPasswd);
1044 snprintf(buf, sizeof(buf), "PASS anonymous@\r\n");
1045 buf[sizeof(buf) - 1] = 0;
1048 xmlGenericError(xmlGenericErrorContext, "%s", buf);
1050 res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
1052 __xmlIOErr(XML_FROM_FTP, 0, "send failed");
1053 closesocket(ctxt->controlFd);
1054 ctxt->controlFd = INVALID_SOCKET;
1057 res = xmlNanoFTPGetResponse(ctxt);
1059 closesocket(ctxt->controlFd);
1060 ctxt->controlFd = INVALID_SOCKET;
1070 closesocket(ctxt->controlFd);
1071 ctxt->controlFd = INVALID_SOCKET;
1077 * We assume we don't need more authentication to the proxy
1078 * and that it succeeded :-\
1080 switch (proxyType) {
1082 /* we will try in sequence */
1084 /* Using SITE command */
1085 snprintf(buf, sizeof(buf), "SITE %s\r\n", ctxt->hostname);
1086 buf[sizeof(buf) - 1] = 0;
1089 xmlGenericError(xmlGenericErrorContext, "%s", buf);
1091 res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
1093 __xmlIOErr(XML_FROM_FTP, 0, "send failed");
1094 closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
1095 ctxt->controlFd = INVALID_SOCKET;
1098 res = xmlNanoFTPGetResponse(ctxt);
1100 /* we assume it worked :-\ 1 is error for SITE command */
1104 if (proxyType == 1) {
1105 closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
1106 ctxt->controlFd = INVALID_SOCKET;
1109 /* Falls through. */
1111 /* USER user@host command */
1112 if (ctxt->user == NULL)
1113 snprintf(buf, sizeof(buf), "USER anonymous@%s\r\n",
1116 snprintf(buf, sizeof(buf), "USER %s@%s\r\n",
1117 ctxt->user, ctxt->hostname);
1118 buf[sizeof(buf) - 1] = 0;
1121 xmlGenericError(xmlGenericErrorContext, "%s", buf);
1123 res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
1125 __xmlIOErr(XML_FROM_FTP, 0, "send failed");
1126 closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
1127 ctxt->controlFd = INVALID_SOCKET;
1130 res = xmlNanoFTPGetResponse(ctxt);
1131 if ((res == 1) || (res == 2)) {
1132 /* we assume it worked :-\ */
1136 if (ctxt->passwd == NULL)
1137 snprintf(buf, sizeof(buf), "PASS anonymous@\r\n");
1139 snprintf(buf, sizeof(buf), "PASS %s\r\n", ctxt->passwd);
1140 buf[sizeof(buf) - 1] = 0;
1143 xmlGenericError(xmlGenericErrorContext, "%s", buf);
1145 res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
1147 __xmlIOErr(XML_FROM_FTP, 0, "send failed");
1148 closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
1149 ctxt->controlFd = INVALID_SOCKET;
1152 res = xmlNanoFTPGetResponse(ctxt);
1153 if ((res == 1) || (res == 2)) {
1154 /* we assume it worked :-\ */
1158 if (proxyType == 2) {
1159 closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
1160 ctxt->controlFd = INVALID_SOCKET;
1163 /* Falls through. */
1166 * If you need support for other Proxy authentication scheme
1167 * send the code or at least the sequence in use.
1170 closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
1171 ctxt->controlFd = INVALID_SOCKET;
1176 * Non-proxy handling.
1178 res = xmlNanoFTPSendUser(ctxt);
1180 closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
1181 ctxt->controlFd = INVALID_SOCKET;
1184 res = xmlNanoFTPGetResponse(ctxt);
1195 closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
1196 ctxt->controlFd = INVALID_SOCKET;
1199 res = xmlNanoFTPSendPasswd(ctxt);
1201 closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
1202 ctxt->controlFd = INVALID_SOCKET;
1205 res = xmlNanoFTPGetResponse(ctxt);
1210 __xmlIOErr(XML_FROM_FTP, XML_FTP_ACCNT,
1211 "FTP server asking for ACCNT on anonymous\n");
1212 /* Falls through. */
1218 closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
1219 ctxt->controlFd = INVALID_SOCKET;
1227 * xmlNanoFTPConnectTo:
1228 * @server: an FTP server name
1229 * @port: the port (use 21 if 0)
1231 * Tries to open a control connection to the given server/port
1233 * Returns an fTP context or NULL if it failed
1237 xmlNanoFTPConnectTo(const char *server, int port) {
1238 xmlNanoFTPCtxtPtr ctxt;
1246 ctxt = (xmlNanoFTPCtxtPtr) xmlNanoFTPNewCtxt(NULL);
1249 ctxt->hostname = xmlMemStrdup(server);
1250 if (ctxt->hostname == NULL) {
1251 xmlNanoFTPFreeCtxt(ctxt);
1256 res = xmlNanoFTPConnect(ctxt);
1258 xmlNanoFTPFreeCtxt(ctxt);
1266 * @ctx: an FTP context
1267 * @directory: a directory on the server
1269 * Tries to change the remote directory
1271 * Returns -1 incase of error, 1 if CWD worked, 0 if it failed
1275 xmlNanoFTPCwd(void *ctx, const char *directory) {
1276 xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
1281 if ((ctxt == NULL) || (ctxt->controlFd == INVALID_SOCKET)) return(-1);
1282 if (directory == NULL) return 0;
1285 * Expected response code for CWD:
1289 * 500, 501, 502, 421, 530, 550
1291 snprintf(buf, sizeof(buf), "CWD %s\r\n", directory);
1292 buf[sizeof(buf) - 1] = 0;
1295 xmlGenericError(xmlGenericErrorContext, "%s", buf);
1297 res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
1299 __xmlIOErr(XML_FROM_FTP, 0, "send failed");
1302 res = xmlNanoFTPGetResponse(ctxt);
1306 if (res == 2) return(1);
1315 * @ctx: an FTP context
1316 * @file: a file or directory on the server
1318 * Tries to delete an item (file or directory) from server
1320 * Returns -1 incase of error, 1 if DELE worked, 0 if it failed
1324 xmlNanoFTPDele(void *ctx, const char *file) {
1325 xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
1330 if ((ctxt == NULL) || (ctxt->controlFd == INVALID_SOCKET) ||
1331 (file == NULL)) return(-1);
1334 * Expected response code for DELE:
1339 * 500, 501, 502, 421, 530
1342 snprintf(buf, sizeof(buf), "DELE %s\r\n", file);
1343 buf[sizeof(buf) - 1] = 0;
1346 xmlGenericError(xmlGenericErrorContext, "%s", buf);
1348 res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
1350 __xmlIOErr(XML_FROM_FTP, 0, "send failed");
1353 res = xmlNanoFTPGetResponse(ctxt);
1357 if (res == 2) return(1);
1364 * xmlNanoFTPGetConnection:
1365 * @ctx: an FTP context
1367 * Try to open a data connection to the server. Currently only
1368 * passive mode is supported.
1370 * Returns -1 incase of error, 0 otherwise
1374 xmlNanoFTPGetConnection(void *ctx) {
1375 xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
1376 char buf[200], *cur;
1379 unsigned char ad[6], *adp, *portp;
1380 unsigned int temp[6];
1382 struct sockaddr_storage dataAddr;
1384 struct sockaddr_in dataAddr;
1386 XML_SOCKLEN_T dataAddrLen;
1388 if (ctxt == NULL) return INVALID_SOCKET;
1390 memset (&dataAddr, 0, sizeof(dataAddr));
1392 if ((ctxt->ftpAddr).ss_family == AF_INET6) {
1393 ctxt->dataFd = socket (AF_INET6, SOCK_STREAM, IPPROTO_TCP);
1394 ((struct sockaddr_in6 *)&dataAddr)->sin6_family = AF_INET6;
1395 dataAddrLen = sizeof(struct sockaddr_in6);
1399 ctxt->dataFd = socket (AF_INET, SOCK_STREAM, IPPROTO_TCP);
1400 ((struct sockaddr_in *)&dataAddr)->sin_family = AF_INET;
1401 dataAddrLen = sizeof (struct sockaddr_in);
1404 if (ctxt->dataFd == INVALID_SOCKET) {
1405 __xmlIOErr(XML_FROM_FTP, 0, "socket failed");
1406 return INVALID_SOCKET;
1409 if (ctxt->passive) {
1411 if ((ctxt->ftpAddr).ss_family == AF_INET6)
1412 snprintf (buf, sizeof(buf), "EPSV\r\n");
1415 snprintf (buf, sizeof(buf), "PASV\r\n");
1418 xmlGenericError(xmlGenericErrorContext, "%s", buf);
1420 res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
1422 __xmlIOErr(XML_FROM_FTP, 0, "send failed");
1423 closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
1424 return INVALID_SOCKET;
1426 res = xmlNanoFTPReadResponse(ctx);
1429 closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
1430 return INVALID_SOCKET;
1433 * retry with an active connection
1435 closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
1439 cur = &ctxt->controlBuf[ctxt->controlBufAnswer];
1440 while (((*cur < '0') || (*cur > '9')) && *cur != '\0') cur++;
1442 if ((ctxt->ftpAddr).ss_family == AF_INET6) {
1443 if (sscanf (cur, "%u", &temp[0]) != 1) {
1444 __xmlIOErr(XML_FROM_FTP, XML_FTP_EPSV_ANSWER,
1445 "Invalid answer to EPSV\n");
1446 if (ctxt->dataFd != INVALID_SOCKET) {
1447 closesocket (ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
1449 return INVALID_SOCKET;
1451 memcpy (&((struct sockaddr_in6 *)&dataAddr)->sin6_addr, &((struct sockaddr_in6 *)&ctxt->ftpAddr)->sin6_addr, sizeof(struct in6_addr));
1452 ((struct sockaddr_in6 *)&dataAddr)->sin6_port = htons (temp[0]);
1457 if (sscanf (cur, "%u,%u,%u,%u,%u,%u", &temp[0], &temp[1], &temp[2],
1458 &temp[3], &temp[4], &temp[5]) != 6) {
1459 __xmlIOErr(XML_FROM_FTP, XML_FTP_PASV_ANSWER,
1460 "Invalid answer to PASV\n");
1461 if (ctxt->dataFd != INVALID_SOCKET) {
1462 closesocket (ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
1464 return INVALID_SOCKET;
1466 for (i=0; i<6; i++) ad[i] = (unsigned char) (temp[i] & 0xff);
1467 memcpy (&((struct sockaddr_in *)&dataAddr)->sin_addr, &ad[0], 4);
1468 memcpy (&((struct sockaddr_in *)&dataAddr)->sin_port, &ad[4], 2);
1471 if (connect(ctxt->dataFd, (struct sockaddr *) &dataAddr, dataAddrLen) < 0) {
1472 __xmlIOErr(XML_FROM_FTP, 0, "Failed to create a data connection");
1473 closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
1474 return INVALID_SOCKET;
1477 getsockname(ctxt->dataFd, (struct sockaddr *) &dataAddr, &dataAddrLen);
1479 if ((ctxt->ftpAddr).ss_family == AF_INET6)
1480 ((struct sockaddr_in6 *)&dataAddr)->sin6_port = 0;
1483 ((struct sockaddr_in *)&dataAddr)->sin_port = 0;
1485 if (bind(ctxt->dataFd, (struct sockaddr *) &dataAddr, dataAddrLen) < 0) {
1486 __xmlIOErr(XML_FROM_FTP, 0, "bind failed");
1487 closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
1488 return INVALID_SOCKET;
1490 getsockname(ctxt->dataFd, (struct sockaddr *) &dataAddr, &dataAddrLen);
1492 if (listen(ctxt->dataFd, 1) < 0) {
1493 __xmlIOErr(XML_FROM_FTP, 0, "listen failed");
1494 closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
1495 return INVALID_SOCKET;
1498 if ((ctxt->ftpAddr).ss_family == AF_INET6) {
1499 char buf6[INET6_ADDRSTRLEN];
1500 inet_ntop (AF_INET6, &((struct sockaddr_in6 *)&dataAddr)->sin6_addr,
1501 buf6, INET6_ADDRSTRLEN);
1502 adp = (unsigned char *) buf6;
1503 portp = (unsigned char *) &((struct sockaddr_in6 *)&dataAddr)->sin6_port;
1504 snprintf (buf, sizeof(buf), "EPRT |2|%s|%s|\r\n", adp, portp);
1508 adp = (unsigned char *) &((struct sockaddr_in *)&dataAddr)->sin_addr;
1509 portp = (unsigned char *) &((struct sockaddr_in *)&dataAddr)->sin_port;
1510 snprintf (buf, sizeof(buf), "PORT %d,%d,%d,%d,%d,%d\r\n",
1511 adp[0] & 0xff, adp[1] & 0xff, adp[2] & 0xff, adp[3] & 0xff,
1512 portp[0] & 0xff, portp[1] & 0xff);
1515 buf[sizeof(buf) - 1] = 0;
1518 xmlGenericError(xmlGenericErrorContext, "%s", buf);
1521 res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
1523 __xmlIOErr(XML_FROM_FTP, 0, "send failed");
1524 closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
1525 return INVALID_SOCKET;
1527 res = xmlNanoFTPGetResponse(ctxt);
1529 closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
1530 return INVALID_SOCKET;
1533 return(ctxt->dataFd);
1538 * xmlNanoFTPCloseConnection:
1539 * @ctx: an FTP context
1541 * Close the data connection from the server
1543 * Returns -1 incase of error, 0 otherwise
1547 xmlNanoFTPCloseConnection(void *ctx) {
1548 xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
1553 if ((ctxt == NULL) || (ctxt->controlFd == INVALID_SOCKET)) return(-1);
1555 closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
1559 FD_SET(ctxt->controlFd, &rfd);
1561 FD_SET(ctxt->controlFd, &efd);
1562 res = select(ctxt->controlFd + 1, &rfd, NULL, &efd, &tv);
1567 closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
1572 xmlGenericError(xmlGenericErrorContext,
1573 "xmlNanoFTPCloseConnection: timeout\n");
1575 closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
1577 res = xmlNanoFTPGetResponse(ctxt);
1579 closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
1587 * xmlNanoFTPParseList:
1588 * @list: some data listing received from the server
1589 * @callback: the user callback
1590 * @userData: the user callback data
1592 * Parse at most one entry from the listing.
1594 * Returns -1 incase of error, the length of data parsed otherwise
1598 xmlNanoFTPParseList(const char *list, ftpListCallback callback, void *userData) {
1599 const char *cur = list;
1609 unsigned long size = 0;
1613 if (!strncmp(cur, "total", 5)) {
1615 while (*cur == ' ') cur++;
1616 while ((*cur >= '0') && (*cur <= '9'))
1617 links = (links * 10) + (*cur++ - '0');
1618 while ((*cur == ' ') || (*cur == '\n') || (*cur == '\r'))
1621 } else if (*list == '+') {
1624 while ((*cur == ' ') || (*cur == '\n') || (*cur == '\r'))
1626 if (*cur == 0) return(0);
1628 while (*cur != ' ') {
1632 if (*cur == 0) return(0);
1635 while (*cur == ' ') cur++;
1636 if (*cur == 0) return(0);
1637 while ((*cur >= '0') && (*cur <= '9'))
1638 links = (links * 10) + (*cur++ - '0');
1639 while (*cur == ' ') cur++;
1640 if (*cur == 0) return(0);
1642 while (*cur != ' ') {
1646 if (*cur == 0) return(0);
1649 while (*cur == ' ') cur++;
1650 if (*cur == 0) return(0);
1652 while (*cur != ' ') {
1656 if (*cur == 0) return(0);
1659 while (*cur == ' ') cur++;
1660 if (*cur == 0) return(0);
1661 while ((*cur >= '0') && (*cur <= '9'))
1662 size = (size * 10) + (*cur++ - '0');
1663 while (*cur == ' ') cur++;
1664 if (*cur == 0) return(0);
1666 while (*cur != ' ') {
1670 if (*cur == 0) return(0);
1673 while (*cur == ' ') cur++;
1674 if (*cur == 0) return(0);
1675 while ((*cur >= '0') && (*cur <= '9'))
1676 day = (day * 10) + (*cur++ - '0');
1677 while (*cur == ' ') cur++;
1678 if (*cur == 0) return(0);
1679 if ((cur[1] == 0) || (cur[2] == 0)) return(0);
1680 if ((cur[1] == ':') || (cur[2] == ':')) {
1681 while ((*cur >= '0') && (*cur <= '9'))
1682 hour = (hour * 10) + (*cur++ - '0');
1683 if (*cur == ':') cur++;
1684 while ((*cur >= '0') && (*cur <= '9'))
1685 minute = (minute * 10) + (*cur++ - '0');
1687 while ((*cur >= '0') && (*cur <= '9'))
1688 year = (year * 10) + (*cur++ - '0');
1690 while (*cur == ' ') cur++;
1691 if (*cur == 0) return(0);
1693 while ((*cur != '\n') && (*cur != '\r')) {
1695 filename[i++] = *cur;
1697 if (*cur == 0) return(0);
1700 if ((*cur != '\n') && (*cur != '\r'))
1702 while ((*cur == '\n') || (*cur == '\r'))
1705 if (callback != NULL) {
1706 callback(userData, filename, attrib, owner, group, size, links,
1707 year, month, day, hour, minute);
1714 * @ctx: an FTP context
1715 * @callback: the user callback
1716 * @userData: the user callback data
1717 * @filename: optional files to list
1719 * Do a listing on the server. All files info are passed back
1722 * Returns -1 incase of error, 0 otherwise
1726 xmlNanoFTPList(void *ctx, ftpListCallback callback, void *userData,
1727 const char *filename) {
1728 xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
1735 if (ctxt == NULL) return (-1);
1736 if (filename == NULL) {
1737 if (xmlNanoFTPCwd(ctxt, ctxt->path) < 1)
1739 ctxt->dataFd = xmlNanoFTPGetConnection(ctxt);
1740 if (ctxt->dataFd == INVALID_SOCKET)
1742 snprintf(buf, sizeof(buf), "LIST -L\r\n");
1744 if (filename[0] != '/') {
1745 if (xmlNanoFTPCwd(ctxt, ctxt->path) < 1)
1748 ctxt->dataFd = xmlNanoFTPGetConnection(ctxt);
1749 if (ctxt->dataFd == INVALID_SOCKET)
1751 snprintf(buf, sizeof(buf), "LIST -L %s\r\n", filename);
1753 buf[sizeof(buf) - 1] = 0;
1756 xmlGenericError(xmlGenericErrorContext, "%s", buf);
1758 res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
1760 __xmlIOErr(XML_FROM_FTP, 0, "send failed");
1761 closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
1764 res = xmlNanoFTPReadResponse(ctxt);
1766 closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
1774 FD_SET(ctxt->dataFd, &rfd);
1776 FD_SET(ctxt->dataFd, &efd);
1777 res = select(ctxt->dataFd + 1, &rfd, NULL, &efd, &tv);
1782 closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
1786 res = xmlNanoFTPCheckResponse(ctxt);
1788 closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
1789 ctxt->dataFd = INVALID_SOCKET;
1793 closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
1800 if ((len = recv(ctxt->dataFd, &buf[indx], sizeof(buf) - (indx + 1), 0)) < 0) {
1801 __xmlIOErr(XML_FROM_FTP, 0, "recv");
1802 closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
1803 ctxt->dataFd = INVALID_SOCKET;
1807 write(1, &buf[indx], len);
1813 res = xmlNanoFTPParseList(&buf[base], callback, userData);
1817 memmove(&buf[0], &buf[base], indx - base);
1820 xmlNanoFTPCloseConnection(ctxt);
1825 * xmlNanoFTPGetSocket:
1826 * @ctx: an FTP context
1827 * @filename: the file to retrieve (or NULL if path is in context).
1829 * Initiate fetch of the given file from the server.
1831 * Returns the socket for the data connection, or <0 in case of error
1836 xmlNanoFTPGetSocket(void *ctx, const char *filename) {
1837 xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
1841 return INVALID_SOCKET;
1842 if ((filename == NULL) && (ctxt->path == NULL))
1843 return INVALID_SOCKET;
1844 ctxt->dataFd = xmlNanoFTPGetConnection(ctxt);
1845 if (ctxt->dataFd == INVALID_SOCKET)
1846 return INVALID_SOCKET;
1848 snprintf(buf, sizeof(buf), "TYPE I\r\n");
1851 xmlGenericError(xmlGenericErrorContext, "%s", buf);
1853 res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
1855 __xmlIOErr(XML_FROM_FTP, 0, "send failed");
1856 closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
1857 return INVALID_SOCKET;
1859 res = xmlNanoFTPReadResponse(ctxt);
1861 closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
1862 return INVALID_SOCKET;
1864 if (filename == NULL)
1865 snprintf(buf, sizeof(buf), "RETR %s\r\n", ctxt->path);
1867 snprintf(buf, sizeof(buf), "RETR %s\r\n", filename);
1868 buf[sizeof(buf) - 1] = 0;
1871 xmlGenericError(xmlGenericErrorContext, "%s", buf);
1873 res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
1875 __xmlIOErr(XML_FROM_FTP, 0, "send failed");
1876 closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
1877 return INVALID_SOCKET;
1879 res = xmlNanoFTPReadResponse(ctxt);
1881 closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
1882 return INVALID_SOCKET;
1884 return(ctxt->dataFd);
1889 * @ctx: an FTP context
1890 * @callback: the user callback
1891 * @userData: the user callback data
1892 * @filename: the file to retrieve
1894 * Fetch the given file from the server. All data are passed back
1895 * in the callbacks. The last callback has a size of 0 block.
1897 * Returns -1 incase of error, 0 otherwise
1901 xmlNanoFTPGet(void *ctx, ftpDataCallback callback, void *userData,
1902 const char *filename) {
1903 xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
1909 if (ctxt == NULL) return(-1);
1910 if ((filename == NULL) && (ctxt->path == NULL))
1912 if (callback == NULL)
1914 if (xmlNanoFTPGetSocket(ctxt, filename) == INVALID_SOCKET)
1921 FD_SET(ctxt->dataFd, &rfd);
1922 res = select(ctxt->dataFd + 1, &rfd, NULL, NULL, &tv);
1927 closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
1931 res = xmlNanoFTPCheckResponse(ctxt);
1933 closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
1934 ctxt->dataFd = INVALID_SOCKET;
1938 closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
1944 if ((len = recv(ctxt->dataFd, buf, sizeof(buf), 0)) < 0) {
1945 __xmlIOErr(XML_FROM_FTP, 0, "recv failed");
1946 callback(userData, buf, len);
1947 closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
1950 callback(userData, buf, len);
1953 return(xmlNanoFTPCloseConnection(ctxt));
1958 * @ctx: the FTP context
1960 * @len: the buffer length
1962 * This function tries to read @len bytes from the existing FTP connection
1963 * and saves them in @dest. This is a blocking call.
1965 * Returns the number of byte read. 0 is an indication of an end of connection.
1966 * -1 indicates a parameter error.
1969 xmlNanoFTPRead(void *ctx, void *dest, int len) {
1970 xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
1972 if (ctx == NULL) return(-1);
1973 if (ctxt->dataFd == INVALID_SOCKET) return(0);
1974 if (dest == NULL) return(-1);
1975 if (len <= 0) return(0);
1977 len = recv(ctxt->dataFd, dest, len, 0);
1980 __xmlIOErr(XML_FROM_FTP, 0, "recv failed");
1981 xmlNanoFTPCloseConnection(ctxt);
1984 xmlGenericError(xmlGenericErrorContext, "Recvd %d bytes\n", len);
1991 * @URL: the URL to the resource
1993 * Start to fetch the given ftp:// resource
1995 * Returns an FTP context, or NULL
1999 xmlNanoFTPOpen(const char *URL) {
2000 xmlNanoFTPCtxtPtr ctxt;
2004 if (URL == NULL) return(NULL);
2005 if (strncmp("ftp://", URL, 6)) return(NULL);
2007 ctxt = (xmlNanoFTPCtxtPtr) xmlNanoFTPNewCtxt(URL);
2008 if (ctxt == NULL) return(NULL);
2009 if (xmlNanoFTPConnect(ctxt) < 0) {
2010 xmlNanoFTPFreeCtxt(ctxt);
2013 sock = xmlNanoFTPGetSocket(ctxt, ctxt->path);
2014 if (sock == INVALID_SOCKET) {
2015 xmlNanoFTPFreeCtxt(ctxt);
2023 * @ctx: an FTP context
2025 * Close the connection and both control and transport
2027 * Returns -1 incase of error, 0 otherwise
2031 xmlNanoFTPClose(void *ctx) {
2032 xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
2037 if (ctxt->dataFd != INVALID_SOCKET) {
2038 closesocket(ctxt->dataFd);
2039 ctxt->dataFd = INVALID_SOCKET;
2041 if (ctxt->controlFd != INVALID_SOCKET) {
2042 xmlNanoFTPQuit(ctxt);
2043 closesocket(ctxt->controlFd);
2044 ctxt->controlFd = INVALID_SOCKET;
2046 xmlNanoFTPFreeCtxt(ctxt);
2051 /************************************************************************
2053 * Basic test in Standalone mode *
2055 ************************************************************************/
2057 void ftpList(void *userData, const char *filename, const char* attrib,
2058 const char *owner, const char *group, unsigned long size, int links,
2059 int year, const char *month, int day, int hour, int minute) {
2060 xmlGenericError(xmlGenericErrorContext,
2061 "%s %s %s %ld %s\n", attrib, owner, group, size, filename);
2064 void ftpData(void *userData, const char *data, int len) {
2065 if (userData == NULL) return;
2067 fclose((FILE*)userData);
2070 fwrite(data, len, 1, (FILE*)userData);
2073 int main(int argc, char **argv) {
2076 char *tstfile = NULL;
2080 ctxt = xmlNanoFTPNewCtxt(argv[1]);
2081 if (xmlNanoFTPConnect(ctxt) < 0) {
2082 xmlGenericError(xmlGenericErrorContext,
2083 "Couldn't connect to %s\n", argv[1]);
2089 ctxt = xmlNanoFTPConnectTo("localhost", 0);
2091 xmlGenericError(xmlGenericErrorContext,
2092 "Couldn't connect to localhost\n");
2095 xmlNanoFTPList(ctxt, ftpList, NULL, tstfile);
2096 output = fopen("/tmp/tstdata", "w");
2097 if (output != NULL) {
2098 if (xmlNanoFTPGet(ctxt, ftpData, (void *) output, tstfile) < 0)
2099 xmlGenericError(xmlGenericErrorContext,
2100 "Failed to get file\n");
2103 xmlNanoFTPClose(ctxt);
2107 #endif /* STANDALONE */
2108 #else /* !LIBXML_FTP_ENABLED */
2111 int main(int argc, char **argv) {
2112 xmlGenericError(xmlGenericErrorContext,
2113 "%s : FTP support not compiled in\n", argv[0]);
2116 #endif /* STANDALONE */
2117 #endif /* LIBXML_FTP_ENABLED */
2118 #define bottom_nanoftp
2119 #include "elfgcchack.h"