1 /* $NetBSD: fetch.c,v 1.198 2012/07/04 06:09:37 is 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 1.198 2012/07/04 06:09:37 is 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>
79 __dead
static void aborthttp(int);
81 static int auth_url(const char *, char **, const char *, const char *);
82 static void base64_encode(const unsigned char *, size_t, unsigned char *);
84 static int go_fetch(const char *);
85 static int fetch_ftp(const char *);
86 static int fetch_url(const char *, const char *, char *, char *);
87 static const char *match_token(const char **, const char *);
88 static int parse_url(const char *, const char *, url_t
*, char **,
89 char **, char **, char **, in_port_t
*, char **);
90 static void url_decode(char *);
92 static int redirect_loop
;
95 #define STRNEQUAL(a,b) (strncasecmp((a), (b), sizeof((b))-1) == 0)
96 #define ISLWS(x) ((x)=='\r' || (x)=='\n' || (x)==' ' || (x)=='\t')
97 #define SKIPLWS(x) do { while (ISLWS((*x))) x++; } while (0)
100 #define ABOUT_URL "about:" /* propaganda */
101 #define FILE_URL "file://" /* file URL prefix */
102 #define FTP_URL "ftp://" /* ftp URL prefix */
103 #define HTTP_URL "http://" /* http URL prefix */
107 * Determine if token is the next word in buf (case insensitive).
108 * If so, advance buf past the token and any trailing LWS, and
109 * return a pointer to the token (in buf). Otherwise, return NULL.
110 * token may be preceded by LWS.
111 * token must be followed by LWS or NUL. (I.e, don't partial match).
114 match_token(const char **buf
, const char *token
)
116 const char *p
, *orig
;
119 tlen
= strlen(token
);
123 if (strncasecmp(p
, token
, tlen
) != 0)
126 if (*p
!= '\0' && !ISLWS(*p
))
136 * Generate authorization response based on given authentication challenge.
137 * Returns -1 if an error occurred, otherwise 0.
138 * Sets response to a malloc(3)ed string; caller should free.
141 auth_url(const char *challenge
, char **response
, const char *guser
,
144 const char *cp
, *scheme
, *errormsg
;
145 char *ep
, *clear
, *realm
;
146 char uuser
[BUFSIZ
], *gotpass
;
149 size_t len
, clen
, rlen
;
152 clear
= realm
= NULL
;
155 scheme
= "Basic"; /* only support Basic authentication */
158 DPRINTF("auth_url: challenge `%s'\n", challenge
);
160 if (! match_token(&cp
, scheme
)) {
161 warnx("Unsupported authentication challenge `%s'",
163 goto cleanup_auth_url
;
166 #define REALM "realm=\""
167 if (STRNEQUAL(cp
, REALM
))
168 cp
+= sizeof(REALM
) - 1;
170 warnx("Unsupported authentication challenge `%s'",
172 goto cleanup_auth_url
;
174 /* XXX: need to improve quoted-string parsing to support \ quoting, etc. */
175 if ((ep
= strchr(cp
, '\"')) != NULL
) {
177 realm
= (char *)ftp_malloc(len
+ 1);
178 (void)strlcpy(realm
, cp
, len
+ 1);
180 warnx("Unsupported authentication challenge `%s'",
182 goto cleanup_auth_url
;
185 fprintf(ttyout
, "Username for `%s': ", realm
);
187 (void)strlcpy(uuser
, guser
, sizeof(uuser
));
188 fprintf(ttyout
, "%s\n", uuser
);
190 (void)fflush(ttyout
);
191 if (get_line(stdin
, uuser
, sizeof(uuser
), &errormsg
) < 0) {
192 warnx("%s; can't authenticate", errormsg
);
193 goto cleanup_auth_url
;
199 gotpass
= getpass("Password: ");
200 if (gotpass
== NULL
) {
201 warnx("Can't read password");
202 goto cleanup_auth_url
;
207 clen
= strlen(uuser
) + strlen(upass
) + 2; /* user + ":" + pass + "\0" */
208 clear
= (char *)ftp_malloc(clen
);
209 (void)strlcpy(clear
, uuser
, clen
);
210 (void)strlcat(clear
, ":", clen
);
211 (void)strlcat(clear
, upass
, clen
);
213 memset(gotpass
, 0, strlen(gotpass
));
215 /* scheme + " " + enc + "\0" */
216 rlen
= strlen(scheme
) + 1 + (clen
+ 2) * 4 / 3 + 1;
217 *response
= (char *)ftp_malloc(rlen
);
218 (void)strlcpy(*response
, scheme
, rlen
);
219 len
= strlcat(*response
, " ", rlen
);
220 /* use `clen - 1' to not encode the trailing NUL */
221 base64_encode((unsigned char *)clear
, clen
- 1,
222 (unsigned char *)*response
+ len
);
223 memset(clear
, 0, clen
);
233 * Encode len bytes starting at clear using base64 encoding into encoded,
234 * which should be at least ((len + 2) * 4 / 3 + 1) in size.
237 base64_encode(const unsigned char *clear
, size_t len
, unsigned char *encoded
)
239 static const unsigned char enc
[] =
240 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
245 for (i
= 0; i
< len
; i
+= 3) {
246 *(cp
++) = enc
[((clear
[i
+ 0] >> 2))];
247 *(cp
++) = enc
[((clear
[i
+ 0] << 4) & 0x30)
248 | ((clear
[i
+ 1] >> 4) & 0x0f)];
249 *(cp
++) = enc
[((clear
[i
+ 1] << 2) & 0x3c)
250 | ((clear
[i
+ 2] >> 6) & 0x03)];
251 *(cp
++) = enc
[((clear
[i
+ 2] ) & 0x3f)];
260 * Decode %xx escapes in given string, `in-place'.
263 url_decode(char *url
)
265 unsigned char *p
, *q
;
267 if (EMPTYSTRING(url
))
269 p
= q
= (unsigned char *)url
;
271 #define HEXTOINT(x) (x - (isdigit(x) ? '0' : (islower(x) ? 'a' : 'A') - 10))
274 && p
[1] && isxdigit((unsigned char)p
[1])
275 && p
[2] && isxdigit((unsigned char)p
[2])) {
276 *q
++ = HEXTOINT(p
[1]) * 16 + HEXTOINT(p
[2]);
286 * Parse URL of form (per RFC 3986):
287 * <type>://[<user>[:<password>]@]<host>[:<port>][/<path>]
288 * Returns -1 if a parse error occurred, otherwise 0.
289 * It's the caller's responsibility to url_decode() the returned
290 * user, pass and path.
292 * Sets type to url_t, each of the given char ** pointers to a
293 * malloc(3)ed strings of the relevant section, and port to
294 * the number given, or ftpport if ftp://, or httpport if http://.
296 * XXX: this is not totally RFC 3986 compliant; <path> will have the
297 * leading `/' unless it's an ftp:// URL, as this makes things easier
298 * for file:// and http:// URLs. ftp:// URLs have the `/' between the
299 * host and the URL-path removed, but any additional leading slashes
300 * in the URL-path are retained (because they imply that we should
301 * later do "CWD" with a null argument).
304 * input URL output path
305 * --------- -----------
308 * "http://host/path" "/path"
309 * "file://host/dir/file" "dir/file"
313 * "ftp://host/dir/file" "dir/file"
314 * "ftp://host//dir/file" "/dir/file"
317 parse_url(const char *url
, const char *desc
, url_t
*utype
,
318 char **uuser
, char **pass
, char **host
, char **port
,
319 in_port_t
*portnum
, char **path
)
321 const char *origurl
, *tport
;
322 char *cp
, *ep
, *thost
;
325 if (url
== NULL
|| desc
== NULL
|| utype
== NULL
|| uuser
== NULL
326 || pass
== NULL
|| host
== NULL
|| port
== NULL
|| portnum
== NULL
328 errx(1, "parse_url: invoked with NULL argument!");
329 DPRINTF("parse_url: %s `%s'\n", desc
, url
);
332 *utype
= UNKNOWN_URL_T
;
333 *uuser
= *pass
= *host
= *port
= *path
= NULL
;
337 if (STRNEQUAL(url
, HTTP_URL
)) {
338 url
+= sizeof(HTTP_URL
) - 1;
340 *portnum
= HTTP_PORT
;
342 } else if (STRNEQUAL(url
, FTP_URL
)) {
343 url
+= sizeof(FTP_URL
) - 1;
347 } else if (STRNEQUAL(url
, FILE_URL
)) {
348 url
+= sizeof(FILE_URL
) - 1;
351 warnx("Invalid %s `%s'", desc
, url
);
355 memset(*pass
, 0, strlen(*pass
));
366 /* find [user[:pass]@]host[:port] */
367 ep
= strchr(url
, '/');
369 thost
= ftp_strdup(url
);
372 thost
= (char *)ftp_malloc(len
+ 1);
373 (void)strlcpy(thost
, url
, len
+ 1);
374 if (*utype
== FTP_URL_T
) /* skip first / for ftp URLs */
376 *path
= ftp_strdup(ep
);
379 cp
= strchr(thost
, '@'); /* look for user[:pass]@ in URLs */
381 if (*utype
== FTP_URL_T
)
382 anonftp
= 0; /* disable anonftp */
385 thost
= ftp_strdup(cp
+ 1);
386 cp
= strchr(*uuser
, ':');
389 *pass
= ftp_strdup(cp
+ 1);
398 * Check if thost is an encoded IPv6 address, as per
400 * `[' ipv6-address ']'
404 if ((ep
= strchr(cp
, ']')) == NULL
||
405 (ep
[1] != '\0' && ep
[1] != ':')) {
406 warnx("Invalid address `%s' in %s `%s'",
407 thost
, desc
, origurl
);
408 goto cleanup_parse_url
;
410 len
= ep
- cp
; /* change `[xyz]' -> `xyz' */
411 memmove(thost
, thost
+ 1, len
);
413 if (! isipv6addr(thost
)) {
414 warnx("Invalid IPv6 address `%s' in %s `%s'",
415 thost
, desc
, origurl
);
416 goto cleanup_parse_url
;
425 if ((cp
= strchr(thost
, ':')) != NULL
)
429 /* look for [:port] */
433 nport
= strtoul(cp
, &ep
, 10);
434 if (*cp
== '\0' || *ep
!= '\0' ||
435 nport
< 1 || nport
> MAX_IN_PORT_T
) {
436 warnx("Unknown port `%s' in %s `%s'",
438 goto cleanup_parse_url
;
445 *port
= ftp_strdup(tport
);
447 const char *emptypath
= "/";
448 if (*utype
== FTP_URL_T
) /* skip first / for ftp URLs */
450 *path
= ftp_strdup(emptypath
);
453 DPRINTF("parse_url: user `%s' pass `%s' host %s port %s(%d) "
455 STRorNULL(*uuser
), STRorNULL(*pass
),
456 STRorNULL(*host
), STRorNULL(*port
),
457 *portnum
? *portnum
: -1, STRorNULL(*path
));
462 sigjmp_buf httpabort
;
465 * Retrieve URL, via a proxy if necessary, using HTTP.
466 * If proxyenv is set, use that for the proxy, otherwise try ftp_proxy or
467 * http_proxy as appropriate.
468 * Supports HTTP redirects.
469 * Returns 1 on failure, 0 on completed xfer, -1 if ftp connection
470 * is still open (e.g, ftp xfer with trailing /)
473 fetch_url(const char *url
, const char *proxyenv
, char *proxyauth
, char *wwwauth
)
475 struct addrinfo hints
, *res
, *res0
= NULL
;
477 sigfunc
volatile oldintr
;
478 sigfunc
volatile oldintp
;
481 int volatile ischunked
;
482 int volatile isproxy
;
487 static size_t bufsize
;
488 static char *xferbuf
;
489 const char *cp
, *token
;
492 const char *errormsg
;
493 char *volatile savefile
;
495 char *volatile location
;
496 char *volatile message
;
497 char *uuser
, *pass
, *host
, *port
, *path
;
498 char *volatile decodedpath
;
499 char *puser
, *ppass
, *useragent
;
500 off_t hashbytes
, rangestart
, rangeend
, entitylen
;
501 int (*volatile closefunc
)(FILE *);
508 DPRINTF("fetch_url: `%s' proxyenv `%s'\n", url
, STRorNULL(proxyenv
));
510 oldintr
= oldintp
= NULL
;
515 auth
= location
= message
= NULL
;
516 ischunked
= isproxy
= hcode
= 0;
518 uuser
= pass
= host
= path
= decodedpath
= puser
= ppass
= NULL
;
520 if (parse_url(url
, "URL", &urltype
, &uuser
, &pass
, &host
, &port
,
521 &portnum
, &path
) == -1)
522 goto cleanup_fetch_url
;
524 if (urltype
== FILE_URL_T
&& ! EMPTYSTRING(host
)
525 && strcasecmp(host
, "localhost") != 0) {
526 warnx("No support for non local file URL `%s'", url
);
527 goto cleanup_fetch_url
;
530 if (EMPTYSTRING(path
)) {
531 if (urltype
== FTP_URL_T
) {
532 rval
= fetch_ftp(url
);
533 goto cleanup_fetch_url
;
535 if (urltype
!= HTTP_URL_T
|| outfile
== NULL
) {
536 warnx("Invalid URL (no file after host) `%s'", url
);
537 goto cleanup_fetch_url
;
541 decodedpath
= ftp_strdup(path
);
542 url_decode(decodedpath
);
545 savefile
= ftp_strdup(outfile
);
547 cp
= strrchr(decodedpath
, '/'); /* find savefile */
549 savefile
= ftp_strdup(cp
+ 1);
551 savefile
= ftp_strdup(decodedpath
);
553 DPRINTF("fetch_url: savefile `%s'\n", savefile
);
554 if (EMPTYSTRING(savefile
)) {
555 if (urltype
== FTP_URL_T
) {
556 rval
= fetch_ftp(url
);
557 goto cleanup_fetch_url
;
559 warnx("No file after directory (you must specify an "
560 "output file) `%s'", url
);
561 goto cleanup_fetch_url
;
566 rangestart
= rangeend
= entitylen
= -1;
568 if (restartautofetch
) {
569 if (strcmp(savefile
, "-") != 0 && *savefile
!= '|' &&
570 stat(savefile
, &sb
) == 0)
571 restart_point
= sb
.st_size
;
573 if (urltype
== FILE_URL_T
) { /* file:// URLs */
574 direction
= "copied";
575 fin
= fopen(decodedpath
, "r");
577 warn("Can't open `%s'", decodedpath
);
578 goto cleanup_fetch_url
;
580 if (fstat(fileno(fin
), &sb
) == 0) {
582 filesize
= sb
.st_size
;
585 if (lseek(fileno(fin
), restart_point
, SEEK_SET
) < 0) {
586 warn("Can't seek to restart `%s'",
588 goto cleanup_fetch_url
;
592 fprintf(ttyout
, "Copying %s", decodedpath
);
594 fprintf(ttyout
, " (restarting at " LLF
")",
598 } else { /* ftp:// or http:// URLs */
602 if (proxyenv
== NULL
) {
603 if (urltype
== HTTP_URL_T
)
604 proxyenv
= getoptionvalue("http_proxy");
605 else if (urltype
== FTP_URL_T
)
606 proxyenv
= getoptionvalue("ftp_proxy");
608 direction
= "retrieved";
609 if (! EMPTYSTRING(proxyenv
)) { /* use proxy */
612 char *pport
, *no_proxy
;
617 /* check URL against list of no_proxied sites */
618 no_proxy
= getoptionvalue("no_proxy");
619 if (! EMPTYSTRING(no_proxy
)) {
620 char *np
, *np_copy
, *np_iter
;
621 unsigned long np_port
;
624 np_iter
= np_copy
= ftp_strdup(no_proxy
);
626 while ((cp
= strsep(&np_iter
, " ,")) != NULL
) {
629 if ((np
= strrchr(cp
, ':')) != NULL
) {
631 np_port
= strtoul(np
, &ep
, 10);
632 if (*np
== '\0' || *ep
!= '\0')
634 if (np_port
!= portnum
)
640 if (strncasecmp(host
+ hlen
- plen
,
647 if (isproxy
== 0 && urltype
== FTP_URL_T
) {
648 rval
= fetch_ftp(url
);
649 goto cleanup_fetch_url
;
655 warnx("Can't restart via proxy URL `%s'",
657 goto cleanup_fetch_url
;
659 if (parse_url(proxyenv
, "proxy URL", &purltype
,
660 &puser
, &ppass
, &phost
, &pport
, &pportnum
,
662 goto cleanup_fetch_url
;
664 if ((purltype
!= HTTP_URL_T
665 && purltype
!= FTP_URL_T
) ||
666 EMPTYSTRING(phost
) ||
667 (! EMPTYSTRING(ppath
)
668 && strcmp(ppath
, "/") != 0)) {
669 warnx("Malformed proxy URL `%s'",
674 goto cleanup_fetch_url
;
676 if (isipv6addr(host
) &&
677 strchr(host
, '%') != NULL
) {
679 "Scoped address notation `%s' disallowed via web proxy",
684 goto cleanup_fetch_url
;
692 path
= ftp_strdup(url
);
695 } /* ! EMPTYSTRING(proxyenv) */
697 memset(&hints
, 0, sizeof(hints
));
699 hints
.ai_family
= family
;
700 hints
.ai_socktype
= SOCK_STREAM
;
701 hints
.ai_protocol
= 0;
702 error
= getaddrinfo(host
, port
, &hints
, &res0
);
704 warnx("Can't LOOKUP `%s:%s': %s", host
, port
,
705 (error
== EAI_SYSTEM
) ? strerror(errno
)
706 : gai_strerror(error
));
707 goto cleanup_fetch_url
;
709 if (res0
->ai_canonname
)
710 host
= res0
->ai_canonname
;
713 for (res
= res0
; res
; res
= res
->ai_next
) {
714 char hname
[NI_MAXHOST
], sname
[NI_MAXSERV
];
717 if (getnameinfo(res
->ai_addr
, res
->ai_addrlen
,
718 hname
, sizeof(hname
), sname
, sizeof(sname
),
719 NI_NUMERICHOST
| NI_NUMERICSERV
) != 0) {
720 strlcpy(hname
, "?", sizeof(hname
));
721 strlcpy(sname
, "?", sizeof(sname
));
724 if (verbose
&& res0
->ai_next
) {
725 fprintf(ttyout
, "Trying %s:%s ...\n",
729 s
= socket(res
->ai_family
, SOCK_STREAM
,
733 "Can't create socket for connection to "
734 "`%s:%s'", hname
, sname
);
738 if (ftp_connect(s
, res
->ai_addr
, res
->ai_addrlen
,
739 verbose
|| !res
->ai_next
) < 0) {
750 warnx("Can't connect to `%s:%s'", host
, port
);
751 goto cleanup_fetch_url
;
754 fin
= fdopen(s
, "r+");
756 * Construct and send the request.
759 fprintf(ttyout
, "Requesting %s\n", url
);
764 fprintf(ttyout
, "%svia %s:%s", leading
,
769 fprintf(fin
, "GET %s HTTP/1.0\r\n", path
);
771 fprintf(fin
, "Pragma: no-cache\r\n");
773 fprintf(fin
, "GET %s HTTP/1.1\r\n", path
);
774 if (strchr(host
, ':')) {
778 * strip off IPv6 scope identifier, since it is
781 h
= ftp_strdup(host
);
783 (p
= strchr(h
, '%')) != NULL
) {
786 fprintf(fin
, "Host: [%s]", h
);
789 fprintf(fin
, "Host: %s", host
);
790 if (portnum
!= HTTP_PORT
)
791 fprintf(fin
, ":%u", portnum
);
792 fprintf(fin
, "\r\n");
793 fprintf(fin
, "Accept: */*\r\n");
794 fprintf(fin
, "Connection: close\r\n");
796 fputs(leading
, ttyout
);
797 fprintf(fin
, "Range: bytes=" LLF
"-\r\n",
799 fprintf(ttyout
, "restarting at " LLF
,
805 fprintf(fin
, "Cache-Control: no-cache\r\n");
807 if ((useragent
=getenv("FTPUSERAGENT")) != NULL
) {
808 fprintf(fin
, "User-Agent: %s\r\n", useragent
);
810 fprintf(fin
, "User-Agent: %s/%s\r\n",
811 FTP_PRODUCT
, FTP_VERSION
);
815 fprintf(ttyout
, "%swith authorization",
820 fprintf(fin
, "Authorization: %s\r\n", wwwauth
);
825 "%swith proxy authorization", leading
);
829 fprintf(fin
, "Proxy-Authorization: %s\r\n", proxyauth
);
831 if (verbose
&& hasleading
)
832 fputs(")\n", ttyout
);
833 fprintf(fin
, "\r\n");
834 if (fflush(fin
) == EOF
) {
835 warn("Writing HTTP request");
836 goto cleanup_fetch_url
;
839 /* Read the response */
840 len
= get_line(fin
, buf
, sizeof(buf
), &errormsg
);
842 if (*errormsg
== '\n')
844 warnx("Receiving HTTP reply: %s", errormsg
);
845 goto cleanup_fetch_url
;
847 while (len
> 0 && (ISLWS(buf
[len
-1])))
849 DPRINTF("fetch_url: received `%s'\n", buf
);
851 /* Determine HTTP response code */
852 cp
= strchr(buf
, ' ');
857 hcode
= strtol(cp
, &ep
, 10);
858 if (*ep
!= '\0' && !isspace((unsigned char)*ep
))
860 message
= ftp_strdup(cp
);
862 /* Read the rest of the header. */
864 len
= get_line(fin
, buf
, sizeof(buf
), &errormsg
);
866 if (*errormsg
== '\n')
868 warnx("Receiving HTTP reply: %s", errormsg
);
869 goto cleanup_fetch_url
;
871 while (len
> 0 && (ISLWS(buf
[len
-1])))
875 DPRINTF("fetch_url: received `%s'\n", buf
);
878 * Look for some headers
883 if (match_token(&cp
, "Content-Length:")) {
884 filesize
= STRTOLL(cp
, &ep
, 10);
885 if (filesize
< 0 || *ep
!= '\0')
887 DPRINTF("fetch_url: parsed len as: " LLF
"\n",
890 } else if (match_token(&cp
, "Content-Range:")) {
891 if (! match_token(&cp
, "bytes"))
897 rangestart
= STRTOLL(cp
, &ep
, 10);
898 if (rangestart
< 0 || *ep
!= '-')
901 rangeend
= STRTOLL(cp
, &ep
, 10);
902 if (rangeend
< 0 || rangeend
< rangestart
)
912 entitylen
= STRTOLL(cp
, &ep
, 10);
922 fprintf(ttyout
, "parsed range as: ");
923 if (rangestart
== -1)
924 fprintf(ttyout
, "*");
926 fprintf(ttyout
, LLF
"-" LLF
,
929 fprintf(ttyout
, "/" LLF
"\n", (LLT
)entitylen
);
932 if (! restart_point
) {
934 "Received unexpected Content-Range header");
935 goto cleanup_fetch_url
;
938 } else if (match_token(&cp
, "Last-Modified:")) {
942 memset(&parsed
, 0, sizeof(parsed
));
943 t
= parse_rfc2616time(&parsed
, cp
);
945 parsed
.tm_isdst
= -1;
947 mtime
= timegm(&parsed
);
949 if (ftp_debug
&& mtime
!= -1) {
951 "parsed time as: %s",
952 rfc2822time(localtime(&mtime
)));
957 } else if (match_token(&cp
, "Location:")) {
958 location
= ftp_strdup(cp
);
959 DPRINTF("fetch_url: parsed location as `%s'\n",
962 } else if (match_token(&cp
, "Transfer-Encoding:")) {
963 if (match_token(&cp
, "binary")) {
965 "Bogus transfer encoding `binary' (fetching anyway)");
968 if (! (token
= match_token(&cp
, "chunked"))) {
970 "Unsupported transfer encoding `%s'",
972 goto cleanup_fetch_url
;
975 DPRINTF("fetch_url: using chunked encoding\n");
977 } else if (match_token(&cp
, "Proxy-Authenticate:")
978 || match_token(&cp
, "WWW-Authenticate:")) {
979 if (! (token
= match_token(&cp
, "Basic"))) {
981 "fetch_url: skipping unknown auth scheme `%s'\n",
986 auth
= ftp_strdup(token
);
987 DPRINTF("fetch_url: parsed auth as `%s'\n", cp
);
991 /* finished parsing header */
997 if (! restart_point
) {
998 warnx("Not expecting partial content header");
999 goto cleanup_fetch_url
;
1008 if (EMPTYSTRING(location
)) {
1010 "No redirection Location provided by server");
1011 goto cleanup_fetch_url
;
1013 if (redirect_loop
++ > 5) {
1014 warnx("Too many redirections requested");
1015 goto cleanup_fetch_url
;
1019 fprintf(ttyout
, "Redirected via %s\n",
1021 rval
= fetch_url(url
, location
,
1022 proxyauth
, wwwauth
);
1025 fprintf(ttyout
, "Redirected to %s\n",
1027 rval
= go_fetch(location
);
1029 goto cleanup_fetch_url
;
1035 char *auser
, *apass
;
1046 if (verbose
|| *authp
== NULL
||
1047 auser
== NULL
|| apass
== NULL
)
1048 fprintf(ttyout
, "%s\n", message
);
1049 if (EMPTYSTRING(auth
)) {
1051 "No authentication challenge provided by server");
1052 goto cleanup_fetch_url
;
1054 if (*authp
!= NULL
) {
1058 "Authorization failed. Retry (y/n)? ");
1059 if (get_line(stdin
, reply
, sizeof(reply
), NULL
)
1061 goto cleanup_fetch_url
;
1063 if (tolower((unsigned char)reply
[0]) != 'y')
1064 goto cleanup_fetch_url
;
1068 if (auth_url(auth
, authp
, auser
, apass
) == 0) {
1069 rval
= fetch_url(url
, proxyenv
,
1070 proxyauth
, wwwauth
);
1071 memset(*authp
, 0, strlen(*authp
));
1074 goto cleanup_fetch_url
;
1079 warnx("Error retrieving file `%s'", message
);
1081 warnx("Unknown error retrieving file");
1082 goto cleanup_fetch_url
;
1084 } /* end of ftp:// or http:// specific setup */
1086 /* Open the output file. */
1087 if (strcmp(savefile
, "-") == 0) {
1089 } else if (*savefile
== '|') {
1090 oldintp
= xsignal(SIGPIPE
, SIG_IGN
);
1091 fout
= popen(savefile
+ 1, "w");
1093 warn("Can't execute `%s'", savefile
+ 1);
1094 goto cleanup_fetch_url
;
1098 if ((rangeend
!= -1 && rangeend
<= restart_point
) ||
1099 (rangestart
== -1 && filesize
!= -1 && filesize
<= restart_point
)) {
1102 fprintf(ttyout
, "already done\n");
1104 goto cleanup_fetch_url
;
1106 if (restart_point
&& rangestart
!= -1) {
1107 if (entitylen
!= -1)
1108 filesize
= entitylen
;
1109 if (rangestart
!= restart_point
) {
1111 "Size of `%s' differs from save file `%s'",
1113 goto cleanup_fetch_url
;
1115 fout
= fopen(savefile
, "a");
1117 fout
= fopen(savefile
, "w");
1119 warn("Can't open `%s'", savefile
);
1120 goto cleanup_fetch_url
;
1126 if (sigsetjmp(httpabort
, 1))
1127 goto cleanup_fetch_url
;
1128 (void)xsignal(SIGQUIT
, psummary
);
1129 oldintr
= xsignal(SIGINT
, aborthttp
);
1131 assert(rcvbuf_size
> 0);
1132 if ((size_t)rcvbuf_size
> bufsize
) {
1134 (void)free(xferbuf
);
1135 bufsize
= rcvbuf_size
;
1136 xferbuf
= ftp_malloc(bufsize
);
1143 /* Finally, suck down the file. */
1150 /* read chunk-size */
1152 if (fgets(xferbuf
, bufsize
, fin
) == NULL
) {
1153 warnx("Unexpected EOF reading chunk-size");
1154 goto cleanup_fetch_url
;
1157 chunksize
= strtol(xferbuf
, &ep
, 16);
1158 if (ep
== xferbuf
) {
1159 warnx("Invalid chunk-size");
1160 goto cleanup_fetch_url
;
1162 if (errno
== ERANGE
|| chunksize
< 0) {
1164 warn("Chunk-size `%.*s'",
1165 (int)(ep
-xferbuf
), xferbuf
);
1166 goto cleanup_fetch_url
;
1170 * XXX: Work around bug in Apache 1.3.9 and
1171 * 1.3.11, which incorrectly put trailing
1172 * space after the chunk-size.
1177 /* skip [ chunk-ext ] */
1179 while (*ep
&& *ep
!= '\r')
1183 if (strcmp(ep
, "\r\n") != 0) {
1184 warnx("Unexpected data following chunk-size");
1185 goto cleanup_fetch_url
;
1187 DPRINTF("fetch_url: got chunk-size of " LLF
"\n",
1189 if (chunksize
== 0) {
1194 /* transfer file or chunk */
1196 struct timeval then
, now
, td
;
1200 (void)gettimeofday(&then
, NULL
);
1201 bufrem
= rate_get
? rate_get
: (off_t
)bufsize
;
1203 bufrem
= MIN(chunksize
, bufrem
);
1204 while (bufrem
> 0) {
1205 flen
= fread(xferbuf
, sizeof(char),
1206 MIN((off_t
)bufsize
, bufrem
), fin
);
1211 if (fwrite(xferbuf
, sizeof(char), flen
, fout
)
1213 warn("Writing `%s'", savefile
);
1214 goto cleanup_fetch_url
;
1216 if (hash
&& !progress
) {
1217 while (bytes
>= hashbytes
) {
1218 (void)putc('#', ttyout
);
1221 (void)fflush(ttyout
);
1231 (void)gettimeofday(&now
, NULL
);
1232 timersub(&now
, &then
, &td
);
1235 usleep(1000000 - td
.tv_usec
);
1238 if (ischunked
&& chunksize
<= 0)
1241 /* read CRLF after chunk*/
1244 if (fgets(xferbuf
, bufsize
, fin
) == NULL
) {
1245 warnx("Unexpected EOF reading chunk CRLF");
1246 goto cleanup_fetch_url
;
1248 if (strcmp(xferbuf
, "\r\n") != 0) {
1249 warnx("Unexpected data following chunk");
1250 goto cleanup_fetch_url
;
1255 } while (ischunked
);
1257 /* XXX: deal with optional trailer & CRLF here? */
1259 if (hash
&& !progress
&& bytes
> 0) {
1261 (void)putc('#', ttyout
);
1262 (void)putc('\n', ttyout
);
1265 warn("Reading file");
1266 goto cleanup_fetch_url
;
1270 if (closefunc
== fclose
&& mtime
!= -1) {
1271 struct timeval tval
[2];
1273 (void)gettimeofday(&tval
[0], NULL
);
1274 tval
[1].tv_sec
= mtime
;
1275 tval
[1].tv_usec
= 0;
1279 if (utimes(savefile
, tval
) == -1) {
1281 "Can't change modification time to %s",
1282 rfc2822time(localtime(&mtime
)));
1290 goto cleanup_fetch_url
;
1293 warnx("Improper response from `%s:%s'", host
, port
);
1297 (void)xsignal(SIGINT
, oldintr
);
1299 (void)xsignal(SIGPIPE
, oldintp
);
1304 if (closefunc
!= NULL
&& fout
!= NULL
)
1311 memset(pass
, 0, strlen(pass
));
1316 FREEPTR(decodedpath
);
1319 memset(ppass
, 0, strlen(ppass
));
1328 * Abort a HTTP retrieval
1331 aborthttp(int notused
)
1338 len
= strlcpy(msgbuf
, "\nHTTP fetch aborted.\n", sizeof(msgbuf
));
1339 write(fileno(ttyout
), msgbuf
, len
);
1340 siglongjmp(httpabort
, 1);
1344 * Retrieve ftp URL or classic ftp argument using FTP.
1345 * Returns 1 on failure, 0 on completed xfer, -1 if ftp connection
1346 * is still open (e.g, ftp xfer with trailing /)
1349 fetch_ftp(const char *url
)
1351 char *cp
, *xargv
[5], rempath
[MAXPATHLEN
];
1352 char *host
, *path
, *dir
, *file
, *uuser
, *pass
;
1354 char cmdbuf
[MAXPATHLEN
];
1356 int dirhasglob
, filehasglob
, rval
, transtype
, xargc
;
1357 int oanonftp
, oautologin
;
1361 DPRINTF("fetch_ftp: `%s'\n", url
);
1362 host
= path
= dir
= file
= uuser
= pass
= NULL
;
1367 if (STRNEQUAL(url
, FTP_URL
)) {
1368 if ((parse_url(url
, "URL", &urltype
, &uuser
, &pass
,
1369 &host
, &port
, &portnum
, &path
) == -1) ||
1370 (uuser
!= NULL
&& *uuser
== '\0') ||
1371 EMPTYSTRING(host
)) {
1372 warnx("Invalid URL `%s'", url
);
1373 goto cleanup_fetch_ftp
;
1376 * Note: Don't url_decode(path) here. We need to keep the
1377 * distinction between "/" and "%2F" until later.
1380 /* check for trailing ';type=[aid]' */
1381 if (! EMPTYSTRING(path
) && (cp
= strrchr(path
, ';')) != NULL
) {
1382 if (strcasecmp(cp
, ";type=a") == 0)
1384 else if (strcasecmp(cp
, ";type=i") == 0)
1386 else if (strcasecmp(cp
, ";type=d") == 0) {
1388 "Directory listing via a URL is not supported");
1389 goto cleanup_fetch_ftp
;
1391 warnx("Invalid suffix `%s' in URL `%s'", cp
,
1393 goto cleanup_fetch_ftp
;
1397 } else { /* classic style `[user@]host:[file]' */
1398 urltype
= CLASSIC_URL_T
;
1399 host
= ftp_strdup(url
);
1400 cp
= strchr(host
, '@');
1404 anonftp
= 0; /* disable anonftp */
1405 host
= ftp_strdup(cp
+ 1);
1407 cp
= strchr(host
, ':');
1410 path
= ftp_strdup(cp
+ 1);
1413 if (EMPTYSTRING(host
))
1414 goto cleanup_fetch_ftp
;
1416 /* Extract the file and (if present) directory name. */
1418 if (! EMPTYSTRING(dir
)) {
1420 * If we are dealing with classic `[user@]host:[path]' syntax,
1421 * then a path of the form `/file' (resulting from input of the
1422 * form `host:/file') means that we should do "CWD /" before
1423 * retrieving the file. So we set dir="/" and file="file".
1425 * But if we are dealing with URLs like `ftp://host/path' then
1426 * a path of the form `/file' (resulting from a URL of the form
1427 * `ftp://host//file') means that we should do `CWD ' (with an
1428 * empty argument) before retrieving the file. So we set
1429 * dir="" and file="file".
1431 * If the path does not contain / at all, we set dir=NULL.
1432 * (We get a path without any slashes if we are dealing with
1433 * classic `[user@]host:[file]' or URL `ftp://host/file'.)
1435 * In all other cases, we set dir to a string that does not
1436 * include the final '/' that separates the dir part from the
1437 * file part of the path. (This will be the empty string if
1438 * and only if we are dealing with a path of the form `/file'
1439 * resulting from an URL of the form `ftp://host//file'.)
1441 cp
= strrchr(dir
, '/');
1442 if (cp
== dir
&& urltype
== CLASSIC_URL_T
) {
1444 (void)strlcpy(dirbuf
, "/", sizeof(dirbuf
));
1446 } else if (cp
!= NULL
) {
1455 if (urltype
== FTP_URL_T
&& file
!= NULL
) {
1457 /* but still don't url_decode(dir) */
1459 DPRINTF("fetch_ftp: user `%s' pass `%s' host %s port %s "
1460 "path `%s' dir `%s' file `%s'\n",
1461 STRorNULL(uuser
), STRorNULL(pass
),
1462 STRorNULL(host
), STRorNULL(port
),
1463 STRorNULL(path
), STRorNULL(dir
), STRorNULL(file
));
1465 dirhasglob
= filehasglob
= 0;
1466 if (doglob
&& urltype
== CLASSIC_URL_T
) {
1467 if (! EMPTYSTRING(dir
) && strpbrk(dir
, "*?[]{}") != NULL
)
1469 if (! EMPTYSTRING(file
) && strpbrk(file
, "*?[]{}") != NULL
)
1473 /* Set up the connection */
1476 disconnect(0, NULL
);
1478 (void)strlcpy(cmdbuf
, getprogname(), sizeof(cmdbuf
));
1488 oautologin
= autologin
;
1489 /* don't autologin in setpeer(), use ftp_login() below */
1491 setpeer(xargc
, xargv
);
1492 autologin
= oautologin
;
1493 if ((connected
== 0) ||
1494 (connected
== 1 && !ftp_login(host
, uuser
, pass
))) {
1495 warnx("Can't connect or login to host `%s:%s'",
1496 host
, port
? port
: "?");
1497 goto cleanup_fetch_ftp
;
1500 switch (transtype
) {
1505 setbinary(1, xargv
);
1508 errx(1, "fetch_ftp: unknown transfer type %d", transtype
);
1512 * Change directories, if necessary.
1514 * Note: don't use EMPTYSTRING(dir) below, because
1515 * dir=="" means something different from dir==NULL.
1517 if (dir
!= NULL
&& !dirhasglob
) {
1521 * If we are dealing with a classic `[user@]host:[path]'
1522 * (urltype is CLASSIC_URL_T) then we have a raw directory
1523 * name (not encoded in any way) and we can change
1524 * directories in one step.
1526 * If we are dealing with an `ftp://host/path' URL
1527 * (urltype is FTP_URL_T), then RFC 3986 says we need to
1528 * send a separate CWD command for each unescaped "/"
1529 * in the path, and we have to interpret %hex escaping
1530 * *after* we find the slashes. It's possible to get
1531 * empty components here, (from multiple adjacent
1532 * slashes in the path) and RFC 3986 says that we should
1533 * still do `CWD ' (with a null argument) in such cases.
1535 * Many ftp servers don't support `CWD ', so if there's an
1536 * error performing that command, bail out with a descriptive
1541 * host: dir="", urltype=CLASSIC_URL_T
1542 * logged in (to default directory)
1543 * host:file dir=NULL, urltype=CLASSIC_URL_T
1545 * host:dir/ dir="dir", urltype=CLASSIC_URL_T
1546 * "CWD dir", logged in
1547 * ftp://host/ dir="", urltype=FTP_URL_T
1548 * logged in (to default directory)
1549 * ftp://host/dir/ dir="dir", urltype=FTP_URL_T
1550 * "CWD dir", logged in
1551 * ftp://host/file dir=NULL, urltype=FTP_URL_T
1553 * ftp://host//file dir="", urltype=FTP_URL_T
1554 * "CWD ", "RETR file"
1555 * host:/file dir="/", urltype=CLASSIC_URL_T
1556 * "CWD /", "RETR file"
1557 * ftp://host///file dir="/", urltype=FTP_URL_T
1558 * "CWD ", "CWD ", "RETR file"
1559 * ftp://host/%2F/file dir="%2F", urltype=FTP_URL_T
1560 * "CWD /", "RETR file"
1561 * ftp://host/foo/file dir="foo", urltype=FTP_URL_T
1562 * "CWD foo", "RETR file"
1563 * ftp://host/foo/bar/file dir="foo/bar"
1564 * "CWD foo", "CWD bar", "RETR file"
1565 * ftp://host//foo/bar/file dir="/foo/bar"
1566 * "CWD ", "CWD foo", "CWD bar", "RETR file"
1567 * ftp://host/foo//bar/file dir="foo//bar"
1568 * "CWD foo", "CWD ", "CWD bar", "RETR file"
1569 * ftp://host/%2F/foo/bar/file dir="%2F/foo/bar"
1570 * "CWD /", "CWD foo", "CWD bar", "RETR file"
1571 * ftp://host/%2Ffoo/bar/file dir="%2Ffoo/bar"
1572 * "CWD /foo", "CWD bar", "RETR file"
1573 * ftp://host/%2Ffoo%2Fbar/file dir="%2Ffoo%2Fbar"
1574 * "CWD /foo/bar", "RETR file"
1575 * ftp://host/%2Ffoo%2Fbar%2Ffile dir=NULL
1576 * "RETR /foo/bar/file"
1578 * Note that we don't need `dir' after this point.
1581 if (urltype
== FTP_URL_T
) {
1582 nextpart
= strchr(dir
, '/');
1590 DPRINTF("fetch_ftp: dir `%s', nextpart `%s'\n",
1591 STRorNULL(dir
), STRorNULL(nextpart
));
1592 if (urltype
== FTP_URL_T
|| *dir
!= '\0') {
1593 (void)strlcpy(cmdbuf
, "cd", sizeof(cmdbuf
));
1600 if (*dir
== '\0' && code
== 500)
1603 "ftp: The `CWD ' command (without a directory), which is required by\n"
1604 " RFC 3986 to support the empty directory in the URL pathname (`//'),\n"
1605 " conflicts with the server's conformance to RFC 959.\n"
1606 " Try the same URL without the `//' in the URL pathname.\n"
1608 goto cleanup_fetch_ftp
;
1612 } while (dir
!= NULL
);
1615 if (EMPTYSTRING(file
)) {
1617 goto cleanup_fetch_ftp
;
1621 (void)strlcpy(rempath
, dir
, sizeof(rempath
));
1622 (void)strlcat(rempath
, "/", sizeof(rempath
));
1623 (void)strlcat(rempath
, file
, sizeof(rempath
));
1627 /* Fetch the file(s). */
1629 (void)strlcpy(cmdbuf
, "get", sizeof(cmdbuf
));
1633 if (dirhasglob
|| filehasglob
) {
1636 ointeractive
= interactive
;
1638 if (restartautofetch
)
1639 (void)strlcpy(cmdbuf
, "mreget", sizeof(cmdbuf
));
1641 (void)strlcpy(cmdbuf
, "mget", sizeof(cmdbuf
));
1644 interactive
= ointeractive
;
1646 if (outfile
== NULL
) {
1647 cp
= strrchr(file
, '/'); /* find savefile */
1653 xargv
[2] = (char *)outfile
;
1656 if (restartautofetch
)
1657 reget(xargc
, xargv
);
1662 if ((code
/ 100) == COMPLETE
)
1671 memset(pass
, 0, strlen(pass
));
1677 * Retrieve the given file to outfile.
1678 * Supports arguments of the form:
1679 * "host:path", "ftp://host/path" if $ftpproxy, call fetch_url() else
1681 * "http://host/path" call fetch_url() to use HTTP
1682 * "file:///path" call fetch_url() to copy
1683 * "about:..." print a message
1685 * Returns 1 on failure, 0 on completed xfer, -1 if ftp connection
1686 * is still open (e.g, ftp xfer with trailing /)
1689 go_fetch(const char *url
)
1698 if (STRNEQUAL(url
, ABOUT_URL
)) {
1699 url
+= sizeof(ABOUT_URL
) -1;
1700 if (strcasecmp(url
, "ftp") == 0 ||
1701 strcasecmp(url
, "tnftp") == 0) {
1703 "This version of ftp has been enhanced by Luke Mewburn <lukem@NetBSD.org>\n"
1704 "for the NetBSD project. Execute `man ftp' for more details.\n", ttyout
);
1705 } else if (strcasecmp(url
, "lukem") == 0) {
1707 "Luke Mewburn is the author of most of the enhancements in this ftp client.\n"
1708 "Please email feedback to <lukem@NetBSD.org>.\n", ttyout
);
1709 } else if (strcasecmp(url
, "netbsd") == 0) {
1711 "NetBSD is a freely available and redistributable UNIX-like operating system.\n"
1712 "For more information, see http://www.NetBSD.org/\n", ttyout
);
1713 } else if (strcasecmp(url
, "version") == 0) {
1714 fprintf(ttyout
, "Version: %s %s%s\n",
1715 FTP_PRODUCT
, FTP_VERSION
,
1723 fprintf(ttyout
, "`%s' is an interesting topic.\n", url
);
1725 fputs("\n", ttyout
);
1731 * Check for file:// and http:// URLs.
1733 if (STRNEQUAL(url
, HTTP_URL
) || STRNEQUAL(url
, FILE_URL
))
1734 return (fetch_url(url
, NULL
, NULL
, NULL
));
1737 * If it contains "://" but does not begin with ftp://
1738 * or something that was already handled, then it's
1741 * If it contains ":" but not "://" then we assume the
1742 * part before the colon is a host name, not an URL scheme,
1743 * so we don't try to match that here.
1745 if ((p
= strstr(url
, "://")) != NULL
&& ! STRNEQUAL(url
, FTP_URL
))
1746 errx(1, "Unsupported URL scheme `%.*s'", (int)(p
- url
), url
);
1749 * Try FTP URL-style and host:file arguments next.
1750 * If ftpproxy is set with an FTP URL, use fetch_url()
1751 * Othewise, use fetch_ftp().
1753 proxyenv
= getoptionvalue("ftp_proxy");
1754 if (!EMPTYSTRING(proxyenv
) && STRNEQUAL(url
, FTP_URL
))
1755 return (fetch_url(url
, NULL
, NULL
, NULL
));
1757 return (fetch_ftp(url
));
1761 * Retrieve multiple files from the command line,
1762 * calling go_fetch() for each file.
1764 * If an ftp path has a trailing "/", the path will be cd-ed into and
1765 * the connection remains open, and the function will return -1
1766 * (to indicate the connection is alive).
1767 * If an error occurs the return value will be the offset+1 in
1768 * argv[] of the file that caused a problem (i.e, argv[x]
1770 * Otherwise, 0 is returned if all files retrieved successfully.
1773 auto_fetch(int argc
, char *argv
[])
1775 volatile int argpos
, rval
;
1779 if (sigsetjmp(toplevel
, 1)) {
1781 disconnect(0, NULL
);
1786 (void)xsignal(SIGINT
, intr
);
1787 (void)xsignal(SIGPIPE
, lostpeer
);
1790 * Loop through as long as there's files to fetch.
1792 for (; (rval
== 0) && (argpos
< argc
); argpos
++) {
1793 if (strchr(argv
[argpos
], ':') == NULL
)
1797 anonftp
= 2; /* Handle "automatic" transfers. */
1798 rval
= go_fetch(argv
[argpos
]);
1799 if (outfile
!= NULL
&& strcmp(outfile
, "-") != 0
1800 && outfile
[0] != '|')
1806 if (connected
&& rval
!= -1)
1807 disconnect(0, NULL
);
1813 * Upload multiple files from the command line.
1815 * If an error occurs the return value will be the offset+1 in
1816 * argv[] of the file that caused a problem (i.e, argv[x]
1818 * Otherwise, 0 is returned if all files uploaded successfully.
1821 auto_put(int argc
, char **argv
, const char *uploadserver
)
1823 char *uargv
[4], *path
, *pathsep
;
1824 int uargc
, rval
, argpos
;
1826 char cmdbuf
[MAX_C_NAME
];
1828 (void)strlcpy(cmdbuf
, "mput", sizeof(cmdbuf
));
1832 uargv
[2] = uargv
[3] = NULL
;
1836 DPRINTF("auto_put: target `%s'\n", uploadserver
);
1838 path
= ftp_strdup(uploadserver
);
1840 if (path
[len
- 1] != '/' && path
[len
- 1] != ':') {
1842 * make sure we always pass a directory to auto_fetch
1844 if (argc
> 1) { /* more than one file to upload */
1845 len
= strlen(uploadserver
) + 2; /* path + "/" + "\0" */
1847 path
= (char *)ftp_malloc(len
);
1848 (void)strlcpy(path
, uploadserver
, len
);
1849 (void)strlcat(path
, "/", len
);
1850 } else { /* single file to upload */
1851 (void)strlcpy(cmdbuf
, "put", sizeof(cmdbuf
));
1853 pathsep
= strrchr(path
, '/');
1854 if (pathsep
== NULL
) {
1855 pathsep
= strrchr(path
, ':');
1856 if (pathsep
== NULL
) {
1857 warnx("Invalid URL `%s'", path
);
1858 goto cleanup_auto_put
;
1861 uargv
[2] = ftp_strdup(pathsep
);
1864 uargv
[2] = ftp_strdup(pathsep
+ 1);
1869 DPRINTF("auto_put: URL `%s' argv[2] `%s'\n",
1870 path
, STRorNULL(uargv
[2]));
1872 /* connect and cwd */
1873 rval
= auto_fetch(1, &path
);
1875 goto cleanup_auto_put
;
1879 /* target filename provided; upload 1 file */
1880 /* XXX : is this the best way? */
1884 if ((code
/ 100) != COMPLETE
)
1886 } else { /* otherwise a target dir: upload all files to it */
1887 for(argpos
= 0; argv
[argpos
] != NULL
; argpos
++) {
1888 uargv
[1] = argv
[argpos
];
1890 if ((code
/ 100) != COMPLETE
) {