1 /* $NetBSD: fetch.c,v 1.205 2013/11/07 02:06:51 christos Exp $ */
4 * Copyright (c) 1997-2009 The NetBSD Foundation, Inc.
7 * This code is derived from software contributed to The NetBSD Foundation
10 * This code is derived from software contributed to The NetBSD Foundation
11 * by Scott Aaron Bamford.
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
16 * 1. Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution.
22 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
23 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
24 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
25 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
26 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
32 * POSSIBILITY OF SUCH DAMAGE.
35 #include <sys/cdefs.h>
37 __RCSID("$NetBSD: fetch.c,v 1.205 2013/11/07 02:06:51 christos Exp $");
41 * FTP User Program -- Command line file retrieval
44 #include <sys/types.h>
45 #include <sys/param.h>
46 #include <sys/socket.h>
50 #include <netinet/in.h>
53 #include <arpa/inet.h>
82 __dead static void aborthttp(int);
83 __dead static void timeouthttp(int);
85 static int auth_url(const char *, char **, const char *, const char *);
86 static void base64_encode(const unsigned char *, size_t, unsigned char *);
88 static int go_fetch(const char *);
89 static int fetch_ftp(const char *);
90 static int fetch_url(const char *, const char *, char *, char *);
91 static const char *match_token(const char **, const char *);
92 static int parse_url(const char *, const char *, url_t *, char **,
93 char **, char **, char **, in_port_t *, char **);
94 static void url_decode(char *);
96 static int redirect_loop;
99 #define STRNEQUAL(a,b) (strncasecmp((a), (b), sizeof((b))-1) == 0)
100 #define ISLWS(x) ((x)=='\r' || (x)=='\n' || (x)==' ' || (x)=='\t')
101 #define SKIPLWS(x) do { while (ISLWS((*x))) x++; } while (0)
104 #define ABOUT_URL "about:" /* propaganda */
105 #define FILE_URL "file://" /* file URL prefix */
106 #define FTP_URL "ftp://" /* ftp URL prefix */
107 #define HTTP_URL "http://" /* http URL prefix */
109 #define HTTPS_URL "https://" /* https URL prefix */
111 #define IS_HTTP_TYPE(urltype) \
112 (((urltype) == HTTP_URL_T) || ((urltype) == HTTPS_URL_T))
114 #define IS_HTTP_TYPE(urltype) \
115 ((urltype) == HTTP_URL_T)
119 * Determine if token is the next word in buf (case insensitive).
120 * If so, advance buf past the token and any trailing LWS, and
121 * return a pointer to the token (in buf). Otherwise, return NULL.
122 * token may be preceded by LWS.
123 * token must be followed by LWS or NUL. (I.e, don't partial match).
126 match_token(const char **buf, const char *token)
128 const char *p, *orig;
131 tlen = strlen(token);
135 if (strncasecmp(p, token, tlen) != 0)
138 if (*p != '\0' && !ISLWS(*p))
148 * Generate authorization response based on given authentication challenge.
149 * Returns -1 if an error occurred, otherwise 0.
150 * Sets response to a malloc(3)ed string; caller should free.
153 auth_url(const char *challenge, char **response, const char *guser,
156 const char *cp, *scheme, *errormsg;
157 char *ep, *clear, *realm;
158 char uuser[BUFSIZ], *gotpass;
161 size_t len, clen, rlen;
164 clear = realm = NULL;
167 scheme = "Basic"; /* only support Basic authentication */
170 DPRINTF("auth_url: challenge `%s'\n", challenge);
172 if (! match_token(&cp, scheme)) {
173 warnx("Unsupported authentication challenge `%s'",
175 goto cleanup_auth_url;
178 #define REALM "realm=\""
179 if (STRNEQUAL(cp, REALM))
180 cp += sizeof(REALM) - 1;
182 warnx("Unsupported authentication challenge `%s'",
184 goto cleanup_auth_url;
186 /* XXX: need to improve quoted-string parsing to support \ quoting, etc. */
187 if ((ep = strchr(cp, '\"')) != NULL) {
189 realm = (char *)ftp_malloc(len + 1);
190 (void)strlcpy(realm, cp, len + 1);
192 warnx("Unsupported authentication challenge `%s'",
194 goto cleanup_auth_url;
197 fprintf(ttyout, "Username for `%s': ", realm);
199 (void)strlcpy(uuser, guser, sizeof(uuser));
200 fprintf(ttyout, "%s\n", uuser);
202 (void)fflush(ttyout);
203 if (get_line(stdin, uuser, sizeof(uuser), &errormsg) < 0) {
204 warnx("%s; can't authenticate", errormsg);
205 goto cleanup_auth_url;
211 gotpass = getpass("Password: ");
212 if (gotpass == NULL) {
213 warnx("Can't read password");
214 goto cleanup_auth_url;
219 clen = strlen(uuser) + strlen(upass) + 2; /* user + ":" + pass + "\0" */
220 clear = (char *)ftp_malloc(clen);
221 (void)strlcpy(clear, uuser, clen);
222 (void)strlcat(clear, ":", clen);
223 (void)strlcat(clear, upass, clen);
225 memset(gotpass, 0, strlen(gotpass));
227 /* scheme + " " + enc + "\0" */
228 rlen = strlen(scheme) + 1 + (clen + 2) * 4 / 3 + 1;
229 *response = (char *)ftp_malloc(rlen);
230 (void)strlcpy(*response, scheme, rlen);
231 len = strlcat(*response, " ", rlen);
232 /* use `clen - 1' to not encode the trailing NUL */
233 base64_encode((unsigned char *)clear, clen - 1,
234 (unsigned char *)*response + len);
235 memset(clear, 0, clen);
245 * Encode len bytes starting at clear using base64 encoding into encoded,
246 * which should be at least ((len + 2) * 4 / 3 + 1) in size.
249 base64_encode(const unsigned char *clear, size_t len, unsigned char *encoded)
251 static const unsigned char enc[] =
252 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
257 for (i = 0; i < len; i += 3) {
258 *(cp++) = enc[((clear[i + 0] >> 2))];
259 *(cp++) = enc[((clear[i + 0] << 4) & 0x30)
260 | ((clear[i + 1] >> 4) & 0x0f)];
261 *(cp++) = enc[((clear[i + 1] << 2) & 0x3c)
262 | ((clear[i + 2] >> 6) & 0x03)];
263 *(cp++) = enc[((clear[i + 2] ) & 0x3f)];
272 * Decode %xx escapes in given string, `in-place'.
275 url_decode(char *url)
277 unsigned char *p, *q;
279 if (EMPTYSTRING(url))
281 p = q = (unsigned char *)url;
283 #define HEXTOINT(x) (x - (isdigit(x) ? '0' : (islower(x) ? 'a' : 'A') - 10))
286 && p[1] && isxdigit((unsigned char)p[1])
287 && p[2] && isxdigit((unsigned char)p[2])) {
288 *q++ = HEXTOINT(p[1]) * 16 + HEXTOINT(p[2]);
298 * Parse URL of form (per RFC 3986):
299 * <type>://[<user>[:<password>]@]<host>[:<port>][/<path>]
300 * Returns -1 if a parse error occurred, otherwise 0.
301 * It's the caller's responsibility to url_decode() the returned
302 * user, pass and path.
304 * Sets type to url_t, each of the given char ** pointers to a
305 * malloc(3)ed strings of the relevant section, and port to
306 * the number given, or ftpport if ftp://, or httpport if http://.
308 * XXX: this is not totally RFC 3986 compliant; <path> will have the
309 * leading `/' unless it's an ftp:// URL, as this makes things easier
310 * for file:// and http:// URLs. ftp:// URLs have the `/' between the
311 * host and the URL-path removed, but any additional leading slashes
312 * in the URL-path are retained (because they imply that we should
313 * later do "CWD" with a null argument).
316 * input URL output path
317 * --------- -----------
320 * "http://host/path" "/path"
321 * "file://host/dir/file" "dir/file"
325 * "ftp://host/dir/file" "dir/file"
326 * "ftp://host//dir/file" "/dir/file"
329 parse_url(const char *url, const char *desc, url_t *utype,
330 char **uuser, char **pass, char **host, char **port,
331 in_port_t *portnum, char **path)
333 const char *origurl, *tport;
334 char *cp, *ep, *thost;
337 if (url == NULL || desc == NULL || utype == NULL || uuser == NULL
338 || pass == NULL || host == NULL || port == NULL || portnum == NULL
340 errx(1, "parse_url: invoked with NULL argument!");
341 DPRINTF("parse_url: %s `%s'\n", desc, url);
344 *utype = UNKNOWN_URL_T;
345 *uuser = *pass = *host = *port = *path = NULL;
349 if (STRNEQUAL(url, HTTP_URL)) {
350 url += sizeof(HTTP_URL) - 1;
352 *portnum = HTTP_PORT;
354 } else if (STRNEQUAL(url, FTP_URL)) {
355 url += sizeof(FTP_URL) - 1;
359 } else if (STRNEQUAL(url, FILE_URL)) {
360 url += sizeof(FILE_URL) - 1;
363 } else if (STRNEQUAL(url, HTTPS_URL)) {
364 url += sizeof(HTTPS_URL) - 1;
365 *utype = HTTPS_URL_T;
366 *portnum = HTTPS_PORT;
370 warnx("Invalid %s `%s'", desc, url);
374 memset(*pass, 0, strlen(*pass));
385 /* find [user[:pass]@]host[:port] */
386 ep = strchr(url, '/');
388 thost = ftp_strdup(url);
391 thost = (char *)ftp_malloc(len + 1);
392 (void)strlcpy(thost, url, len + 1);
393 if (*utype == FTP_URL_T) /* skip first / for ftp URLs */
395 *path = ftp_strdup(ep);
398 cp = strchr(thost, '@'); /* look for user[:pass]@ in URLs */
400 if (*utype == FTP_URL_T)
401 anonftp = 0; /* disable anonftp */
404 thost = ftp_strdup(cp + 1);
405 cp = strchr(*uuser, ':');
408 *pass = ftp_strdup(cp + 1);
417 * Check if thost is an encoded IPv6 address, as per
419 * `[' ipv6-address ']'
423 if ((ep = strchr(cp, ']')) == NULL ||
424 (ep[1] != '\0' && ep[1] != ':')) {
425 warnx("Invalid address `%s' in %s `%s'",
426 thost, desc, origurl);
427 goto cleanup_parse_url;
429 len = ep - cp; /* change `[xyz]' -> `xyz' */
430 memmove(thost, thost + 1, len);
432 if (! isipv6addr(thost)) {
433 warnx("Invalid IPv6 address `%s' in %s `%s'",
434 thost, desc, origurl);
435 goto cleanup_parse_url;
444 if ((cp = strchr(thost, ':')) != NULL)
448 /* look for [:port] */
452 nport = strtoul(cp, &ep, 10);
453 if (*cp == '\0' || *ep != '\0' ||
454 nport < 1 || nport > MAX_IN_PORT_T) {
455 warnx("Unknown port `%s' in %s `%s'",
457 goto cleanup_parse_url;
464 *port = ftp_strdup(tport);
466 const char *emptypath = "/";
467 if (*utype == FTP_URL_T) /* skip first / for ftp URLs */
469 *path = ftp_strdup(emptypath);
472 DPRINTF("parse_url: user `%s' pass `%s' host %s port %s(%d) "
474 STRorNULL(*uuser), STRorNULL(*pass),
475 STRorNULL(*host), STRorNULL(*port),
476 *portnum ? *portnum : -1, STRorNULL(*path));
481 sigjmp_buf httpabort;
484 * Retrieve URL, via a proxy if necessary, using HTTP.
485 * If proxyenv is set, use that for the proxy, otherwise try ftp_proxy or
486 * http_proxy/https_proxy as appropriate.
487 * Supports HTTP redirects.
488 * Returns 1 on failure, 0 on completed xfer, -1 if ftp connection
489 * is still open (e.g, ftp xfer with trailing /)
492 fetch_url(const char *url, const char *proxyenv, char *proxyauth, char *wwwauth)
494 struct addrinfo hints, *res, *res0 = NULL;
496 sigfunc volatile oldint;
497 sigfunc volatile oldpipe;
498 sigfunc volatile oldalrm;
499 sigfunc volatile oldquit;
502 int volatile ischunked;
503 int volatile isproxy;
508 static size_t bufsize;
509 static char *xferbuf;
510 const char *cp, *token;
513 const char *errormsg;
514 char *volatile savefile;
516 char *volatile location;
517 char *volatile message;
518 char *uuser, *pass, *host, *port, *path;
519 char *volatile decodedpath;
520 char *puser, *ppass, *useragent;
521 off_t hashbytes, rangestart, rangeend, entitylen;
522 int (*volatile closefunc)(FILE *);
525 const char *volatile penv = proxyenv;
533 DPRINTF("%s: `%s' proxyenv `%s'\n", __func__, url, STRorNULL(penv));
535 oldquit = oldalrm = oldint = oldpipe = NULL;
541 auth = location = message = NULL;
542 ischunked = isproxy = hcode = 0;
544 uuser = pass = host = path = decodedpath = puser = ppass = NULL;
546 if (sigsetjmp(httpabort, 1))
547 goto cleanup_fetch_url;
549 if (parse_url(url, "URL", &urltype, &uuser, &pass, &host, &port,
550 &portnum, &path) == -1)
551 goto cleanup_fetch_url;
553 if (urltype == FILE_URL_T && ! EMPTYSTRING(host)
554 && strcasecmp(host, "localhost") != 0) {
555 warnx("No support for non local file URL `%s'", url);
556 goto cleanup_fetch_url;
559 if (EMPTYSTRING(path)) {
560 if (urltype == FTP_URL_T) {
561 rval = fetch_ftp(url);
562 goto cleanup_fetch_url;
564 if (!IS_HTTP_TYPE(urltype) || outfile == NULL) {
565 warnx("Invalid URL (no file after host) `%s'", url);
566 goto cleanup_fetch_url;
570 decodedpath = ftp_strdup(path);
571 url_decode(decodedpath);
574 savefile = ftp_strdup(outfile);
576 cp = strrchr(decodedpath, '/'); /* find savefile */
578 savefile = ftp_strdup(cp + 1);
580 savefile = ftp_strdup(decodedpath);
582 DPRINTF("%s: savefile `%s'\n", __func__, savefile);
583 if (EMPTYSTRING(savefile)) {
584 if (urltype == FTP_URL_T) {
585 rval = fetch_ftp(url);
586 goto cleanup_fetch_url;
588 warnx("No file after directory (you must specify an "
589 "output file) `%s'", url);
590 goto cleanup_fetch_url;
595 rangestart = rangeend = entitylen = -1;
597 if (restartautofetch) {
598 if (strcmp(savefile, "-") != 0 && *savefile != '|' &&
599 stat(savefile, &sb) == 0)
600 restart_point = sb.st_size;
602 if (urltype == FILE_URL_T) { /* file:// URLs */
603 direction = "copied";
604 fin = fetch_open(decodedpath, "r");
606 warn("Can't open `%s'", decodedpath);
607 goto cleanup_fetch_url;
609 if (fstat(fetch_fileno(fin), &sb) == 0) {
611 filesize = sb.st_size;
614 if (lseek(fetch_fileno(fin), restart_point, SEEK_SET) < 0) {
615 warn("Can't seek to restart `%s'",
617 goto cleanup_fetch_url;
621 fprintf(ttyout, "Copying %s", decodedpath);
623 fprintf(ttyout, " (restarting at " LLF ")",
627 if (0 == rcvbuf_size) {
628 rcvbuf_size = 8 * 1024; /* XXX */
630 } else { /* ftp:// or http:// URLs */
636 if (urltype == HTTPS_URL_T)
637 penv = getoptionvalue("https_proxy");
639 if (penv == NULL && IS_HTTP_TYPE(urltype))
640 penv = getoptionvalue("http_proxy");
641 else if (urltype == FTP_URL_T)
642 penv = getoptionvalue("ftp_proxy");
644 direction = "retrieved";
645 if (! EMPTYSTRING(penv)) { /* use proxy */
648 char *pport, *no_proxy;
653 /* check URL against list of no_proxied sites */
654 no_proxy = getoptionvalue("no_proxy");
655 if (! EMPTYSTRING(no_proxy)) {
656 char *np, *np_copy, *np_iter;
657 unsigned long np_port;
660 np_iter = np_copy = ftp_strdup(no_proxy);
662 while ((cp = strsep(&np_iter, " ,")) != NULL) {
665 if ((np = strrchr(cp, ':')) != NULL) {
667 np_port = strtoul(np, &ep, 10);
668 if (*np == '\0' || *ep != '\0')
670 if (np_port != portnum)
676 if (strncasecmp(host + hlen - plen,
683 if (isproxy == 0 && urltype == FTP_URL_T) {
684 rval = fetch_ftp(url);
685 goto cleanup_fetch_url;
691 warnx("Can't restart via proxy URL `%s'",
693 goto cleanup_fetch_url;
695 if (parse_url(penv, "proxy URL", &purltype,
696 &puser, &ppass, &phost, &pport, &pportnum,
698 goto cleanup_fetch_url;
700 if ((!IS_HTTP_TYPE(purltype)
701 && purltype != FTP_URL_T) ||
702 EMPTYSTRING(phost) ||
703 (! EMPTYSTRING(ppath)
704 && strcmp(ppath, "/") != 0)) {
705 warnx("Malformed proxy URL `%s'", penv);
709 goto cleanup_fetch_url;
711 if (isipv6addr(host) &&
712 strchr(host, '%') != NULL) {
714 "Scoped address notation `%s' disallowed via web proxy",
719 goto cleanup_fetch_url;
727 path = ftp_strdup(url);
731 } /* ! EMPTYSTRING(penv) */
733 memset(&hints, 0, sizeof(hints));
735 hints.ai_family = family;
736 hints.ai_socktype = SOCK_STREAM;
737 hints.ai_protocol = 0;
738 error = getaddrinfo(host, port, &hints, &res0);
740 warnx("Can't LOOKUP `%s:%s': %s", host, port,
741 (error == EAI_SYSTEM) ? strerror(errno)
742 : gai_strerror(error));
743 goto cleanup_fetch_url;
745 if (res0->ai_canonname)
746 host = res0->ai_canonname;
752 for (res = res0; res; res = res->ai_next) {
753 char hname[NI_MAXHOST], sname[NI_MAXSERV];
756 if (getnameinfo(res->ai_addr, res->ai_addrlen,
757 hname, sizeof(hname), sname, sizeof(sname),
758 NI_NUMERICHOST | NI_NUMERICSERV) != 0) {
759 strlcpy(hname, "?", sizeof(hname));
760 strlcpy(sname, "?", sizeof(sname));
763 if (verbose && res0->ai_next) {
764 fprintf(ttyout, "Trying %s:%s ...\n",
768 s = socket(res->ai_family, SOCK_STREAM,
772 "Can't create socket for connection to "
773 "`%s:%s'", hname, sname);
777 if (ftp_connect(s, res->ai_addr, res->ai_addrlen,
778 verbose || !res->ai_next) < 0) {
785 if (urltype == HTTPS_URL_T) {
786 if ((ssl = fetch_start_ssl(s)) == NULL) {
799 warnx("Can't connect to `%s:%s'", host, port);
800 goto cleanup_fetch_url;
803 oldalrm = xsignal(SIGALRM, timeouthttp);
804 alarmtimer(quit_time ? quit_time : 60);
805 fin = fetch_fdopen(s, "r+");
806 fetch_set_ssl(fin, ssl);
809 alarmtimer(quit_time ? quit_time : 60);
811 * Construct and send the request.
814 fprintf(ttyout, "Requesting %s\n", url);
819 fprintf(ttyout, "%svia %s:%s", leading,
824 fetch_printf(fin, "GET %s HTTP/1.0\r\n", path);
826 fetch_printf(fin, "Pragma: no-cache\r\n");
828 fetch_printf(fin, "GET %s HTTP/1.1\r\n", path);
829 if (strchr(host, ':')) {
833 * strip off IPv6 scope identifier, since it is
836 h = ftp_strdup(host);
838 (p = strchr(h, '%')) != NULL) {
841 fetch_printf(fin, "Host: [%s]", h);
844 fetch_printf(fin, "Host: %s", host);
846 if ((urltype == HTTP_URL_T && portnum != HTTP_PORT) ||
847 (urltype == HTTPS_URL_T && portnum != HTTPS_PORT))
849 if (portnum != HTTP_PORT)
851 fetch_printf(fin, ":%u", portnum);
852 fetch_printf(fin, "\r\n");
853 fetch_printf(fin, "Accept: */*\r\n");
854 fetch_printf(fin, "Connection: close\r\n");
856 fputs(leading, ttyout);
857 fetch_printf(fin, "Range: bytes=" LLF "-\r\n",
859 fprintf(ttyout, "restarting at " LLF,
865 fetch_printf(fin, "Cache-Control: no-cache\r\n");
867 if ((useragent=getenv("FTPUSERAGENT")) != NULL) {
868 fetch_printf(fin, "User-Agent: %s\r\n", useragent);
870 fetch_printf(fin, "User-Agent: %s/%s\r\n",
871 FTP_PRODUCT, FTP_VERSION);
875 fprintf(ttyout, "%swith authorization",
880 fetch_printf(fin, "Authorization: %s\r\n", wwwauth);
885 "%swith proxy authorization", leading);
889 fetch_printf(fin, "Proxy-Authorization: %s\r\n", proxyauth);
891 if (verbose && hasleading)
892 fputs(")\n", ttyout);
893 fetch_printf(fin, "\r\n");
894 if (fetch_flush(fin) == EOF) {
895 warn("Writing HTTP request");
897 goto cleanup_fetch_url;
901 /* Read the response */
902 alarmtimer(quit_time ? quit_time : 60);
903 len = fetch_getline(fin, buf, sizeof(buf), &errormsg);
906 if (*errormsg == '\n')
908 warnx("Receiving HTTP reply: %s", errormsg);
909 goto cleanup_fetch_url;
911 while (len > 0 && (ISLWS(buf[len-1])))
913 DPRINTF("%s: received `%s'\n", __func__, buf);
915 /* Determine HTTP response code */
916 cp = strchr(buf, ' ');
921 hcode = strtol(cp, &ep, 10);
922 if (*ep != '\0' && !isspace((unsigned char)*ep))
924 message = ftp_strdup(cp);
926 /* Read the rest of the header. */
928 alarmtimer(quit_time ? quit_time : 60);
929 len = fetch_getline(fin, buf, sizeof(buf), &errormsg);
932 if (*errormsg == '\n')
934 warnx("Receiving HTTP reply: %s", errormsg);
935 goto cleanup_fetch_url;
937 while (len > 0 && (ISLWS(buf[len-1])))
941 DPRINTF("%s: received `%s'\n", __func__, buf);
944 * Look for some headers
949 if (match_token(&cp, "Content-Length:")) {
950 filesize = STRTOLL(cp, &ep, 10);
951 if (filesize < 0 || *ep != '\0')
953 DPRINTF("%s: parsed len as: " LLF "\n",
954 __func__, (LLT)filesize);
956 } else if (match_token(&cp, "Content-Range:")) {
957 if (! match_token(&cp, "bytes"))
963 rangestart = STRTOLL(cp, &ep, 10);
964 if (rangestart < 0 || *ep != '-')
967 rangeend = STRTOLL(cp, &ep, 10);
968 if (rangeend < 0 || rangeend < rangestart)
978 entitylen = STRTOLL(cp, &ep, 10);
988 fprintf(ttyout, "parsed range as: ");
989 if (rangestart == -1)
990 fprintf(ttyout, "*");
992 fprintf(ttyout, LLF "-" LLF,
995 fprintf(ttyout, "/" LLF "\n", (LLT)entitylen);
998 if (! restart_point) {
1000 "Received unexpected Content-Range header");
1001 goto cleanup_fetch_url;
1004 } else if (match_token(&cp, "Last-Modified:")) {
1008 memset(&parsed, 0, sizeof(parsed));
1009 t = parse_rfc2616time(&parsed, cp);
1011 parsed.tm_isdst = -1;
1013 mtime = timegm(&parsed);
1015 if (ftp_debug && mtime != -1) {
1017 "parsed time as: %s",
1018 rfc2822time(localtime(&mtime)));
1023 } else if (match_token(&cp, "Location:")) {
1024 location = ftp_strdup(cp);
1025 DPRINTF("%s: parsed location as `%s'\n",
1028 } else if (match_token(&cp, "Transfer-Encoding:")) {
1029 if (match_token(&cp, "binary")) {
1031 "Bogus transfer encoding `binary' (fetching anyway)");
1034 if (! (token = match_token(&cp, "chunked"))) {
1036 "Unsupported transfer encoding `%s'",
1038 goto cleanup_fetch_url;
1041 DPRINTF("%s: using chunked encoding\n",
1044 } else if (match_token(&cp, "Proxy-Authenticate:")
1045 || match_token(&cp, "WWW-Authenticate:")) {
1046 if (! (token = match_token(&cp, "Basic"))) {
1047 DPRINTF("%s: skipping unknown auth "
1048 "scheme `%s'\n", __func__, token);
1052 auth = ftp_strdup(token);
1053 DPRINTF("%s: parsed auth as `%s'\n",
1058 /* finished parsing header */
1064 if (! restart_point) {
1065 warnx("Not expecting partial content header");
1066 goto cleanup_fetch_url;
1075 if (EMPTYSTRING(location)) {
1077 "No redirection Location provided by server");
1078 goto cleanup_fetch_url;
1080 if (redirect_loop++ > 5) {
1081 warnx("Too many redirections requested");
1082 goto cleanup_fetch_url;
1086 fprintf(ttyout, "Redirected via %s\n",
1088 rval = fetch_url(url, location,
1089 proxyauth, wwwauth);
1092 fprintf(ttyout, "Redirected to %s\n",
1094 rval = go_fetch(location);
1096 goto cleanup_fetch_url;
1102 char *auser, *apass;
1113 if (verbose || *authp == NULL ||
1114 auser == NULL || apass == NULL)
1115 fprintf(ttyout, "%s\n", message);
1116 if (EMPTYSTRING(auth)) {
1118 "No authentication challenge provided by server");
1119 goto cleanup_fetch_url;
1121 if (*authp != NULL) {
1125 "Authorization failed. Retry (y/n)? ");
1126 if (get_line(stdin, reply, sizeof(reply), NULL)
1128 goto cleanup_fetch_url;
1130 if (tolower((unsigned char)reply[0]) != 'y')
1131 goto cleanup_fetch_url;
1135 if (auth_url(auth, authp, auser, apass) == 0) {
1136 rval = fetch_url(url, penv,
1137 proxyauth, wwwauth);
1138 memset(*authp, 0, strlen(*authp));
1141 goto cleanup_fetch_url;
1146 warnx("Error retrieving file `%s'", message);
1148 warnx("Unknown error retrieving file");
1149 goto cleanup_fetch_url;
1151 } /* end of ftp:// or http:// specific setup */
1153 /* Open the output file. */
1154 if (strcmp(savefile, "-") == 0) {
1156 } else if (*savefile == '|') {
1157 oldpipe = xsignal(SIGPIPE, SIG_IGN);
1158 fout = popen(savefile + 1, "w");
1160 warn("Can't execute `%s'", savefile + 1);
1161 goto cleanup_fetch_url;
1165 if ((rangeend != -1 && rangeend <= restart_point) ||
1166 (rangestart == -1 && filesize != -1 && filesize <= restart_point)) {
1169 fprintf(ttyout, "already done\n");
1171 goto cleanup_fetch_url;
1173 if (restart_point && rangestart != -1) {
1174 if (entitylen != -1)
1175 filesize = entitylen;
1176 if (rangestart != restart_point) {
1178 "Size of `%s' differs from save file `%s'",
1180 goto cleanup_fetch_url;
1182 fout = fopen(savefile, "a");
1184 fout = fopen(savefile, "w");
1186 warn("Can't open `%s'", savefile);
1187 goto cleanup_fetch_url;
1193 oldquit = xsignal(SIGQUIT, psummary);
1194 oldint = xsignal(SIGINT, aborthttp);
1196 assert(rcvbuf_size > 0);
1197 if ((size_t)rcvbuf_size > bufsize) {
1199 (void)free(xferbuf);
1200 bufsize = rcvbuf_size;
1201 xferbuf = ftp_malloc(bufsize);
1207 (void)xsignal(SIGALRM, oldalrm);
1212 /* Finally, suck down the file. */
1219 /* read chunk-size */
1221 if (fetch_getln(xferbuf, bufsize, fin) == NULL) {
1222 warnx("Unexpected EOF reading chunk-size");
1223 goto cleanup_fetch_url;
1226 chunksize = strtol(xferbuf, &ep, 16);
1227 if (ep == xferbuf) {
1228 warnx("Invalid chunk-size");
1229 goto cleanup_fetch_url;
1231 if (errno == ERANGE || chunksize < 0) {
1233 warn("Chunk-size `%.*s'",
1234 (int)(ep-xferbuf), xferbuf);
1235 goto cleanup_fetch_url;
1239 * XXX: Work around bug in Apache 1.3.9 and
1240 * 1.3.11, which incorrectly put trailing
1241 * space after the chunk-size.
1246 /* skip [ chunk-ext ] */
1248 while (*ep && *ep != '\r')
1252 if (strcmp(ep, "\r\n") != 0) {
1253 warnx("Unexpected data following chunk-size");
1254 goto cleanup_fetch_url;
1256 DPRINTF("%s: got chunk-size of " LLF "\n", __func__,
1258 if (chunksize == 0) {
1263 /* transfer file or chunk */
1265 struct timeval then, now, td;
1266 volatile off_t bufrem;
1269 (void)gettimeofday(&then, NULL);
1270 bufrem = rate_get ? rate_get : (off_t)bufsize;
1272 bufrem = MIN(chunksize, bufrem);
1273 while (bufrem > 0) {
1274 flen = fetch_read(xferbuf, sizeof(char),
1275 MIN((off_t)bufsize, bufrem), fin);
1280 if (fwrite(xferbuf, sizeof(char), flen, fout)
1282 warn("Writing `%s'", savefile);
1283 goto cleanup_fetch_url;
1285 if (hash && !progress) {
1286 while (bytes >= hashbytes) {
1287 (void)putc('#', ttyout);
1290 (void)fflush(ttyout);
1300 (void)gettimeofday(&now, NULL);
1301 timersub(&now, &then, &td);
1304 usleep(1000000 - td.tv_usec);
1307 if (ischunked && chunksize <= 0)
1310 /* read CRLF after chunk*/
1313 if (fetch_getln(xferbuf, bufsize, fin) == NULL) {
1315 warnx("Unexpected EOF reading chunk CRLF");
1316 goto cleanup_fetch_url;
1318 if (strcmp(xferbuf, "\r\n") != 0) {
1319 warnx("Unexpected data following chunk");
1320 goto cleanup_fetch_url;
1325 } while (ischunked);
1327 /* XXX: deal with optional trailer & CRLF here? */
1329 if (hash && !progress && bytes > 0) {
1331 (void)putc('#', ttyout);
1332 (void)putc('\n', ttyout);
1334 if (fetch_error(fin)) {
1335 warn("Reading file");
1336 goto cleanup_fetch_url;
1340 if (closefunc == fclose && mtime != -1) {
1341 struct timeval tval[2];
1343 (void)gettimeofday(&tval[0], NULL);
1344 tval[1].tv_sec = mtime;
1345 tval[1].tv_usec = 0;
1349 if (utimes(savefile, tval) == -1) {
1351 "Can't change modification time to %s",
1352 rfc2822time(localtime(&mtime)));
1360 goto cleanup_fetch_url;
1363 warnx("Improper response from `%s:%s'", host, port);
1367 (void)xsignal(SIGINT, oldint);
1369 (void)xsignal(SIGPIPE, oldpipe);
1371 (void)xsignal(SIGALRM, oldalrm);
1373 (void)xsignal(SIGQUIT, oldpipe);
1378 if (closefunc != NULL && fout != NULL)
1385 memset(pass, 0, strlen(pass));
1390 FREEPTR(decodedpath);
1393 memset(ppass, 0, strlen(ppass));
1402 * Abort a HTTP retrieval
1405 aborthttp(int notused)
1413 len = snprintf(msgbuf, sizeof(msgbuf),
1414 "\n%s: HTTP fetch aborted.\n", getprogname());
1416 write(fileno(ttyout), msgbuf, len);
1418 siglongjmp(httpabort, 1);
1422 timeouthttp(int notused)
1429 len = snprintf(msgbuf, sizeof(msgbuf),
1430 "\n%s: HTTP fetch timeout.\n", getprogname());
1432 write(fileno(ttyout), msgbuf, len);
1434 siglongjmp(httpabort, 1);
1438 * Retrieve ftp URL or classic ftp argument using FTP.
1439 * Returns 1 on failure, 0 on completed xfer, -1 if ftp connection
1440 * is still open (e.g, ftp xfer with trailing /)
1443 fetch_ftp(const char *url)
1445 char *cp, *xargv[5], rempath[MAXPATHLEN];
1446 char *host, *path, *dir, *file, *uuser, *pass;
1448 char cmdbuf[MAXPATHLEN];
1450 int dirhasglob, filehasglob, rval, transtype, xargc;
1451 int oanonftp, oautologin;
1455 DPRINTF("fetch_ftp: `%s'\n", url);
1456 host = path = dir = file = uuser = pass = NULL;
1461 if (STRNEQUAL(url, FTP_URL)) {
1462 if ((parse_url(url, "URL", &urltype, &uuser, &pass,
1463 &host, &port, &portnum, &path) == -1) ||
1464 (uuser != NULL && *uuser == '\0') ||
1465 EMPTYSTRING(host)) {
1466 warnx("Invalid URL `%s'", url);
1467 goto cleanup_fetch_ftp;
1470 * Note: Don't url_decode(path) here. We need to keep the
1471 * distinction between "/" and "%2F" until later.
1474 /* check for trailing ';type=[aid]' */
1475 if (! EMPTYSTRING(path) && (cp = strrchr(path, ';')) != NULL) {
1476 if (strcasecmp(cp, ";type=a") == 0)
1478 else if (strcasecmp(cp, ";type=i") == 0)
1480 else if (strcasecmp(cp, ";type=d") == 0) {
1482 "Directory listing via a URL is not supported");
1483 goto cleanup_fetch_ftp;
1485 warnx("Invalid suffix `%s' in URL `%s'", cp,
1487 goto cleanup_fetch_ftp;
1491 } else { /* classic style `[user@]host:[file]' */
1492 urltype = CLASSIC_URL_T;
1493 host = ftp_strdup(url);
1494 cp = strchr(host, '@');
1498 anonftp = 0; /* disable anonftp */
1499 host = ftp_strdup(cp + 1);
1501 cp = strchr(host, ':');
1504 path = ftp_strdup(cp + 1);
1507 if (EMPTYSTRING(host))
1508 goto cleanup_fetch_ftp;
1510 /* Extract the file and (if present) directory name. */
1512 if (! EMPTYSTRING(dir)) {
1514 * If we are dealing with classic `[user@]host:[path]' syntax,
1515 * then a path of the form `/file' (resulting from input of the
1516 * form `host:/file') means that we should do "CWD /" before
1517 * retrieving the file. So we set dir="/" and file="file".
1519 * But if we are dealing with URLs like `ftp://host/path' then
1520 * a path of the form `/file' (resulting from a URL of the form
1521 * `ftp://host//file') means that we should do `CWD ' (with an
1522 * empty argument) before retrieving the file. So we set
1523 * dir="" and file="file".
1525 * If the path does not contain / at all, we set dir=NULL.
1526 * (We get a path without any slashes if we are dealing with
1527 * classic `[user@]host:[file]' or URL `ftp://host/file'.)
1529 * In all other cases, we set dir to a string that does not
1530 * include the final '/' that separates the dir part from the
1531 * file part of the path. (This will be the empty string if
1532 * and only if we are dealing with a path of the form `/file'
1533 * resulting from an URL of the form `ftp://host//file'.)
1535 cp = strrchr(dir, '/');
1536 if (cp == dir && urltype == CLASSIC_URL_T) {
1538 (void)strlcpy(dirbuf, "/", sizeof(dirbuf));
1540 } else if (cp != NULL) {
1549 if (urltype == FTP_URL_T && file != NULL) {
1551 /* but still don't url_decode(dir) */
1553 DPRINTF("fetch_ftp: user `%s' pass `%s' host %s port %s "
1554 "path `%s' dir `%s' file `%s'\n",
1555 STRorNULL(uuser), STRorNULL(pass),
1556 STRorNULL(host), STRorNULL(port),
1557 STRorNULL(path), STRorNULL(dir), STRorNULL(file));
1559 dirhasglob = filehasglob = 0;
1560 if (doglob && urltype == CLASSIC_URL_T) {
1561 if (! EMPTYSTRING(dir) && strpbrk(dir, "*?[]{}") != NULL)
1563 if (! EMPTYSTRING(file) && strpbrk(file, "*?[]{}") != NULL)
1567 /* Set up the connection */
1570 disconnect(0, NULL);
1572 (void)strlcpy(cmdbuf, getprogname(), sizeof(cmdbuf));
1582 oautologin = autologin;
1583 /* don't autologin in setpeer(), use ftp_login() below */
1585 setpeer(xargc, xargv);
1586 autologin = oautologin;
1587 if ((connected == 0) ||
1588 (connected == 1 && !ftp_login(host, uuser, pass))) {
1589 warnx("Can't connect or login to host `%s:%s'",
1590 host, port ? port : "?");
1591 goto cleanup_fetch_ftp;
1594 switch (transtype) {
1599 setbinary(1, xargv);
1602 errx(1, "fetch_ftp: unknown transfer type %d", transtype);
1606 * Change directories, if necessary.
1608 * Note: don't use EMPTYSTRING(dir) below, because
1609 * dir=="" means something different from dir==NULL.
1611 if (dir != NULL && !dirhasglob) {
1615 * If we are dealing with a classic `[user@]host:[path]'
1616 * (urltype is CLASSIC_URL_T) then we have a raw directory
1617 * name (not encoded in any way) and we can change
1618 * directories in one step.
1620 * If we are dealing with an `ftp://host/path' URL
1621 * (urltype is FTP_URL_T), then RFC 3986 says we need to
1622 * send a separate CWD command for each unescaped "/"
1623 * in the path, and we have to interpret %hex escaping
1624 * *after* we find the slashes. It's possible to get
1625 * empty components here, (from multiple adjacent
1626 * slashes in the path) and RFC 3986 says that we should
1627 * still do `CWD ' (with a null argument) in such cases.
1629 * Many ftp servers don't support `CWD ', so if there's an
1630 * error performing that command, bail out with a descriptive
1635 * host: dir="", urltype=CLASSIC_URL_T
1636 * logged in (to default directory)
1637 * host:file dir=NULL, urltype=CLASSIC_URL_T
1639 * host:dir/ dir="dir", urltype=CLASSIC_URL_T
1640 * "CWD dir", logged in
1641 * ftp://host/ dir="", urltype=FTP_URL_T
1642 * logged in (to default directory)
1643 * ftp://host/dir/ dir="dir", urltype=FTP_URL_T
1644 * "CWD dir", logged in
1645 * ftp://host/file dir=NULL, urltype=FTP_URL_T
1647 * ftp://host//file dir="", urltype=FTP_URL_T
1648 * "CWD ", "RETR file"
1649 * host:/file dir="/", urltype=CLASSIC_URL_T
1650 * "CWD /", "RETR file"
1651 * ftp://host///file dir="/", urltype=FTP_URL_T
1652 * "CWD ", "CWD ", "RETR file"
1653 * ftp://host/%2F/file dir="%2F", urltype=FTP_URL_T
1654 * "CWD /", "RETR file"
1655 * ftp://host/foo/file dir="foo", urltype=FTP_URL_T
1656 * "CWD foo", "RETR file"
1657 * ftp://host/foo/bar/file dir="foo/bar"
1658 * "CWD foo", "CWD bar", "RETR file"
1659 * ftp://host//foo/bar/file dir="/foo/bar"
1660 * "CWD ", "CWD foo", "CWD bar", "RETR file"
1661 * ftp://host/foo//bar/file dir="foo//bar"
1662 * "CWD foo", "CWD ", "CWD bar", "RETR file"
1663 * ftp://host/%2F/foo/bar/file dir="%2F/foo/bar"
1664 * "CWD /", "CWD foo", "CWD bar", "RETR file"
1665 * ftp://host/%2Ffoo/bar/file dir="%2Ffoo/bar"
1666 * "CWD /foo", "CWD bar", "RETR file"
1667 * ftp://host/%2Ffoo%2Fbar/file dir="%2Ffoo%2Fbar"
1668 * "CWD /foo/bar", "RETR file"
1669 * ftp://host/%2Ffoo%2Fbar%2Ffile dir=NULL
1670 * "RETR /foo/bar/file"
1672 * Note that we don't need `dir' after this point.
1675 if (urltype == FTP_URL_T) {
1676 nextpart = strchr(dir, '/');
1684 DPRINTF("fetch_ftp: dir `%s', nextpart `%s'\n",
1685 STRorNULL(dir), STRorNULL(nextpart));
1686 if (urltype == FTP_URL_T || *dir != '\0') {
1687 (void)strlcpy(cmdbuf, "cd", sizeof(cmdbuf));
1694 if (*dir == '\0' && code == 500)
1697 "ftp: The `CWD ' command (without a directory), which is required by\n"
1698 " RFC 3986 to support the empty directory in the URL pathname (`//'),\n"
1699 " conflicts with the server's conformance to RFC 959.\n"
1700 " Try the same URL without the `//' in the URL pathname.\n"
1702 goto cleanup_fetch_ftp;
1706 } while (dir != NULL);
1709 if (EMPTYSTRING(file)) {
1711 goto cleanup_fetch_ftp;
1715 (void)strlcpy(rempath, dir, sizeof(rempath));
1716 (void)strlcat(rempath, "/", sizeof(rempath));
1717 (void)strlcat(rempath, file, sizeof(rempath));
1721 /* Fetch the file(s). */
1723 (void)strlcpy(cmdbuf, "get", sizeof(cmdbuf));
1727 if (dirhasglob || filehasglob) {
1730 ointeractive = interactive;
1732 if (restartautofetch)
1733 (void)strlcpy(cmdbuf, "mreget", sizeof(cmdbuf));
1735 (void)strlcpy(cmdbuf, "mget", sizeof(cmdbuf));
1738 interactive = ointeractive;
1740 if (outfile == NULL) {
1741 cp = strrchr(file, '/'); /* find savefile */
1747 xargv[2] = (char *)outfile;
1750 if (restartautofetch)
1751 reget(xargc, xargv);
1756 if ((code / 100) == COMPLETE)
1765 memset(pass, 0, strlen(pass));
1771 * Retrieve the given file to outfile.
1772 * Supports arguments of the form:
1773 * "host:path", "ftp://host/path" if $ftpproxy, call fetch_url() else
1775 * "http://host/path" call fetch_url() to use HTTP
1776 * "file:///path" call fetch_url() to copy
1777 * "about:..." print a message
1779 * Returns 1 on failure, 0 on completed xfer, -1 if ftp connection
1780 * is still open (e.g, ftp xfer with trailing /)
1783 go_fetch(const char *url)
1792 if (STRNEQUAL(url, ABOUT_URL)) {
1793 url += sizeof(ABOUT_URL) -1;
1794 if (strcasecmp(url, "ftp") == 0 ||
1795 strcasecmp(url, "tnftp") == 0) {
1797 "This version of ftp has been enhanced by Luke Mewburn <lukem@NetBSD.org>\n"
1798 "for the NetBSD project. Execute `man ftp' for more details.\n", ttyout);
1799 } else if (strcasecmp(url, "lukem") == 0) {
1801 "Luke Mewburn is the author of most of the enhancements in this ftp client.\n"
1802 "Please email feedback to <lukem@NetBSD.org>.\n", ttyout);
1803 } else if (strcasecmp(url, "netbsd") == 0) {
1805 "NetBSD is a freely available and redistributable UNIX-like operating system.\n"
1806 "For more information, see http://www.NetBSD.org/\n", ttyout);
1807 } else if (strcasecmp(url, "version") == 0) {
1808 fprintf(ttyout, "Version: %s %s%s\n",
1809 FTP_PRODUCT, FTP_VERSION,
1817 fprintf(ttyout, "`%s' is an interesting topic.\n", url);
1819 fputs("\n", ttyout);
1825 * Check for file:// and http:// URLs.
1827 if (STRNEQUAL(url, HTTP_URL)
1829 || STRNEQUAL(url, HTTPS_URL)
1831 || STRNEQUAL(url, FILE_URL))
1832 return (fetch_url(url, NULL, NULL, NULL));
1835 * If it contains "://" but does not begin with ftp://
1836 * or something that was already handled, then it's
1839 * If it contains ":" but not "://" then we assume the
1840 * part before the colon is a host name, not an URL scheme,
1841 * so we don't try to match that here.
1843 if ((p = strstr(url, "://")) != NULL && ! STRNEQUAL(url, FTP_URL))
1844 errx(1, "Unsupported URL scheme `%.*s'", (int)(p - url), url);
1847 * Try FTP URL-style and host:file arguments next.
1848 * If ftpproxy is set with an FTP URL, use fetch_url()
1849 * Othewise, use fetch_ftp().
1851 proxyenv = getoptionvalue("ftp_proxy");
1852 if (!EMPTYSTRING(proxyenv) && STRNEQUAL(url, FTP_URL))
1853 return (fetch_url(url, NULL, NULL, NULL));
1855 return (fetch_ftp(url));
1859 * Retrieve multiple files from the command line,
1860 * calling go_fetch() for each file.
1862 * If an ftp path has a trailing "/", the path will be cd-ed into and
1863 * the connection remains open, and the function will return -1
1864 * (to indicate the connection is alive).
1865 * If an error occurs the return value will be the offset+1 in
1866 * argv[] of the file that caused a problem (i.e, argv[x]
1868 * Otherwise, 0 is returned if all files retrieved successfully.
1871 auto_fetch(int argc, char *argv[])
1873 volatile int argpos, rval;
1877 if (sigsetjmp(toplevel, 1)) {
1879 disconnect(0, NULL);
1884 (void)xsignal(SIGINT, intr);
1885 (void)xsignal(SIGPIPE, lostpeer);
1888 * Loop through as long as there's files to fetch.
1890 for (; (rval == 0) && (argpos < argc); argpos++) {
1891 if (strchr(argv[argpos], ':') == NULL)
1895 anonftp = 2; /* Handle "automatic" transfers. */
1896 rval = go_fetch(argv[argpos]);
1897 if (outfile != NULL && strcmp(outfile, "-") != 0
1898 && outfile[0] != '|')
1904 if (connected && rval != -1)
1905 disconnect(0, NULL);
1911 * Upload multiple files from the command line.
1913 * If an error occurs the return value will be the offset+1 in
1914 * argv[] of the file that caused a problem (i.e, argv[x]
1916 * Otherwise, 0 is returned if all files uploaded successfully.
1919 auto_put(int argc, char **argv, const char *uploadserver)
1921 char *uargv[4], *path, *pathsep;
1922 int uargc, rval, argpos;
1924 char cmdbuf[MAX_C_NAME];
1926 (void)strlcpy(cmdbuf, "mput", sizeof(cmdbuf));
1930 uargv[2] = uargv[3] = NULL;
1934 DPRINTF("auto_put: target `%s'\n", uploadserver);
1936 path = ftp_strdup(uploadserver);
1938 if (path[len - 1] != '/' && path[len - 1] != ':') {
1940 * make sure we always pass a directory to auto_fetch
1942 if (argc > 1) { /* more than one file to upload */
1943 len = strlen(uploadserver) + 2; /* path + "/" + "\0" */
1945 path = (char *)ftp_malloc(len);
1946 (void)strlcpy(path, uploadserver, len);
1947 (void)strlcat(path, "/", len);
1948 } else { /* single file to upload */
1949 (void)strlcpy(cmdbuf, "put", sizeof(cmdbuf));
1951 pathsep = strrchr(path, '/');
1952 if (pathsep == NULL) {
1953 pathsep = strrchr(path, ':');
1954 if (pathsep == NULL) {
1955 warnx("Invalid URL `%s'", path);
1956 goto cleanup_auto_put;
1959 uargv[2] = ftp_strdup(pathsep);
1962 uargv[2] = ftp_strdup(pathsep + 1);
1967 DPRINTF("auto_put: URL `%s' argv[2] `%s'\n",
1968 path, STRorNULL(uargv[2]));
1970 /* connect and cwd */
1971 rval = auto_fetch(1, &path);
1973 goto cleanup_auto_put;
1977 /* target filename provided; upload 1 file */
1978 /* XXX : is this the best way? */
1982 if ((code / 100) != COMPLETE)
1984 } else { /* otherwise a target dir: upload all files to it */
1985 for(argpos = 0; argv[argpos] != NULL; argpos++) {
1986 uargv[1] = argv[argpos];
1988 if ((code / 100) != COMPLETE) {