1 /* $NetBSD: fetch.c,v 1.193 2010/03/05 07:41:10 lukem 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 1.193 2010/03/05 07:41:10 lukem 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>
80 static int auth_url(const char *, char **, const char *, const char *);
81 static void base64_encode(const unsigned char *, size_t, unsigned char *);
83 static int go_fetch(const char *);
84 static int fetch_ftp(const char *);
85 static int fetch_url(const char *, const char *, char *, char *);
86 static const char *match_token(const char **, const char *);
87 static int parse_url(const char *, const char *, url_t
*, char **,
88 char **, char **, char **, in_port_t
*, char **);
89 static void url_decode(char *);
91 static int redirect_loop
;
94 #define STRNEQUAL(a,b) (strncasecmp((a), (b), sizeof((b))-1) == 0)
95 #define ISLWS(x) ((x)=='\r' || (x)=='\n' || (x)==' ' || (x)=='\t')
96 #define SKIPLWS(x) do { while (ISLWS((*x))) x++; } while (0)
99 #define ABOUT_URL "about:" /* propaganda */
100 #define FILE_URL "file://" /* file URL prefix */
101 #define FTP_URL "ftp://" /* ftp URL prefix */
102 #define HTTP_URL "http://" /* http URL prefix */
106 * Determine if token is the next word in buf (case insensitive).
107 * If so, advance buf past the token and any trailing LWS, and
108 * return a pointer to the token (in buf). Otherwise, return NULL.
109 * token may be preceded by LWS.
110 * token must be followed by LWS or NUL. (I.e, don't partial match).
113 match_token(const char **buf
, const char *token
)
115 const char *p
, *orig
;
118 tlen
= strlen(token
);
122 if (strncasecmp(p
, token
, tlen
) != 0)
125 if (*p
!= '\0' && !ISLWS(*p
))
135 * Generate authorization response based on given authentication challenge.
136 * Returns -1 if an error occurred, otherwise 0.
137 * Sets response to a malloc(3)ed string; caller should free.
140 auth_url(const char *challenge
, char **response
, const char *guser
,
143 const char *cp
, *scheme
, *errormsg
;
144 char *ep
, *clear
, *realm
;
145 char uuser
[BUFSIZ
], *gotpass
;
148 size_t len
, clen
, rlen
;
151 clear
= realm
= NULL
;
154 scheme
= "Basic"; /* only support Basic authentication */
157 DPRINTF("auth_url: challenge `%s'\n", challenge
);
159 if (! match_token(&cp
, scheme
)) {
160 warnx("Unsupported authentication challenge `%s'",
162 goto cleanup_auth_url
;
165 #define REALM "realm=\""
166 if (STRNEQUAL(cp
, REALM
))
167 cp
+= sizeof(REALM
) - 1;
169 warnx("Unsupported authentication challenge `%s'",
171 goto cleanup_auth_url
;
173 /* XXX: need to improve quoted-string parsing to support \ quoting, etc. */
174 if ((ep
= strchr(cp
, '\"')) != NULL
) {
176 realm
= (char *)ftp_malloc(len
+ 1);
177 (void)strlcpy(realm
, cp
, len
+ 1);
179 warnx("Unsupported authentication challenge `%s'",
181 goto cleanup_auth_url
;
184 fprintf(ttyout
, "Username for `%s': ", realm
);
186 (void)strlcpy(uuser
, guser
, sizeof(uuser
));
187 fprintf(ttyout
, "%s\n", uuser
);
189 (void)fflush(ttyout
);
190 if (get_line(stdin
, uuser
, sizeof(uuser
), &errormsg
) < 0) {
191 warnx("%s; can't authenticate", errormsg
);
192 goto cleanup_auth_url
;
198 gotpass
= getpass("Password: ");
199 if (gotpass
== NULL
) {
200 warnx("Can't read password");
201 goto cleanup_auth_url
;
206 clen
= strlen(uuser
) + strlen(upass
) + 2; /* user + ":" + pass + "\0" */
207 clear
= (char *)ftp_malloc(clen
);
208 (void)strlcpy(clear
, uuser
, clen
);
209 (void)strlcat(clear
, ":", clen
);
210 (void)strlcat(clear
, upass
, clen
);
212 memset(gotpass
, 0, strlen(gotpass
));
214 /* scheme + " " + enc + "\0" */
215 rlen
= strlen(scheme
) + 1 + (clen
+ 2) * 4 / 3 + 1;
216 *response
= (char *)ftp_malloc(rlen
);
217 (void)strlcpy(*response
, scheme
, rlen
);
218 len
= strlcat(*response
, " ", rlen
);
219 /* use `clen - 1' to not encode the trailing NUL */
220 base64_encode((unsigned char *)clear
, clen
- 1,
221 (unsigned char *)*response
+ len
);
222 memset(clear
, 0, clen
);
232 * Encode len bytes starting at clear using base64 encoding into encoded,
233 * which should be at least ((len + 2) * 4 / 3 + 1) in size.
236 base64_encode(const unsigned char *clear
, size_t len
, unsigned char *encoded
)
238 static const unsigned char enc
[] =
239 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
244 for (i
= 0; i
< len
; i
+= 3) {
245 *(cp
++) = enc
[((clear
[i
+ 0] >> 2))];
246 *(cp
++) = enc
[((clear
[i
+ 0] << 4) & 0x30)
247 | ((clear
[i
+ 1] >> 4) & 0x0f)];
248 *(cp
++) = enc
[((clear
[i
+ 1] << 2) & 0x3c)
249 | ((clear
[i
+ 2] >> 6) & 0x03)];
250 *(cp
++) = enc
[((clear
[i
+ 2] ) & 0x3f)];
259 * Decode %xx escapes in given string, `in-place'.
262 url_decode(char *url
)
264 unsigned char *p
, *q
;
266 if (EMPTYSTRING(url
))
268 p
= q
= (unsigned char *)url
;
270 #define HEXTOINT(x) (x - (isdigit(x) ? '0' : (islower(x) ? 'a' : 'A') - 10))
273 && p
[1] && isxdigit((unsigned char)p
[1])
274 && p
[2] && isxdigit((unsigned char)p
[2])) {
275 *q
++ = HEXTOINT(p
[1]) * 16 + HEXTOINT(p
[2]);
285 * Parse URL of form (per RFC 3986):
286 * <type>://[<user>[:<password>]@]<host>[:<port>][/<path>]
287 * Returns -1 if a parse error occurred, otherwise 0.
288 * It's the caller's responsibility to url_decode() the returned
289 * user, pass and path.
291 * Sets type to url_t, each of the given char ** pointers to a
292 * malloc(3)ed strings of the relevant section, and port to
293 * the number given, or ftpport if ftp://, or httpport if http://.
295 * XXX: this is not totally RFC 3986 compliant; <path> will have the
296 * leading `/' unless it's an ftp:// URL, as this makes things easier
297 * for file:// and http:// URLs. ftp:// URLs have the `/' between the
298 * host and the URL-path removed, but any additional leading slashes
299 * in the URL-path are retained (because they imply that we should
300 * later do "CWD" with a null argument).
303 * input URL output path
304 * --------- -----------
307 * "http://host/path" "/path"
308 * "file://host/dir/file" "dir/file"
312 * "ftp://host/dir/file" "dir/file"
313 * "ftp://host//dir/file" "/dir/file"
316 parse_url(const char *url
, const char *desc
, url_t
*utype
,
317 char **uuser
, char **pass
, char **host
, char **port
,
318 in_port_t
*portnum
, char **path
)
320 const char *origurl
, *tport
;
321 char *cp
, *ep
, *thost
;
324 if (url
== NULL
|| desc
== NULL
|| utype
== NULL
|| uuser
== NULL
325 || pass
== NULL
|| host
== NULL
|| port
== NULL
|| portnum
== NULL
327 errx(1, "parse_url: invoked with NULL argument!");
328 DPRINTF("parse_url: %s `%s'\n", desc
, url
);
331 *utype
= UNKNOWN_URL_T
;
332 *uuser
= *pass
= *host
= *port
= *path
= NULL
;
336 if (STRNEQUAL(url
, HTTP_URL
)) {
337 url
+= sizeof(HTTP_URL
) - 1;
339 *portnum
= HTTP_PORT
;
341 } else if (STRNEQUAL(url
, FTP_URL
)) {
342 url
+= sizeof(FTP_URL
) - 1;
346 } else if (STRNEQUAL(url
, FILE_URL
)) {
347 url
+= sizeof(FILE_URL
) - 1;
350 warnx("Invalid %s `%s'", desc
, url
);
354 memset(*pass
, 0, strlen(*pass
));
365 /* find [user[:pass]@]host[:port] */
366 ep
= strchr(url
, '/');
368 thost
= ftp_strdup(url
);
371 thost
= (char *)ftp_malloc(len
+ 1);
372 (void)strlcpy(thost
, url
, len
+ 1);
373 if (*utype
== FTP_URL_T
) /* skip first / for ftp URLs */
375 *path
= ftp_strdup(ep
);
378 cp
= strchr(thost
, '@'); /* look for user[:pass]@ in URLs */
380 if (*utype
== FTP_URL_T
)
381 anonftp
= 0; /* disable anonftp */
384 thost
= ftp_strdup(cp
+ 1);
385 cp
= strchr(*uuser
, ':');
388 *pass
= ftp_strdup(cp
+ 1);
397 * Check if thost is an encoded IPv6 address, as per
399 * `[' ipv6-address ']'
403 if ((ep
= strchr(cp
, ']')) == NULL
||
404 (ep
[1] != '\0' && ep
[1] != ':')) {
405 warnx("Invalid address `%s' in %s `%s'",
406 thost
, desc
, origurl
);
407 goto cleanup_parse_url
;
409 len
= ep
- cp
; /* change `[xyz]' -> `xyz' */
410 memmove(thost
, thost
+ 1, len
);
412 if (! isipv6addr(thost
)) {
413 warnx("Invalid IPv6 address `%s' in %s `%s'",
414 thost
, desc
, origurl
);
415 goto cleanup_parse_url
;
424 if ((cp
= strchr(thost
, ':')) != NULL
)
428 /* look for [:port] */
432 nport
= strtoul(cp
, &ep
, 10);
433 if (*cp
== '\0' || *ep
!= '\0' ||
434 nport
< 1 || nport
> MAX_IN_PORT_T
) {
435 warnx("Unknown port `%s' in %s `%s'",
437 goto cleanup_parse_url
;
444 *port
= ftp_strdup(tport
);
446 const char *emptypath
= "/";
447 if (*utype
== FTP_URL_T
) /* skip first / for ftp URLs */
449 *path
= ftp_strdup(emptypath
);
452 DPRINTF("parse_url: user `%s' pass `%s' host %s port %s(%d) "
454 STRorNULL(*uuser
), STRorNULL(*pass
),
455 STRorNULL(*host
), STRorNULL(*port
),
456 *portnum
? *portnum
: -1, STRorNULL(*path
));
461 sigjmp_buf httpabort
;
464 * Retrieve URL, via a proxy if necessary, using HTTP.
465 * If proxyenv is set, use that for the proxy, otherwise try ftp_proxy or
466 * http_proxy as appropriate.
467 * Supports HTTP redirects.
468 * Returns 1 on failure, 0 on completed xfer, -1 if ftp connection
469 * is still open (e.g, ftp xfer with trailing /)
472 fetch_url(const char *url
, const char *proxyenv
, char *proxyauth
, char *wwwauth
)
474 struct addrinfo hints
, *res
, *res0
= NULL
;
476 sigfunc
volatile oldintr
;
477 sigfunc
volatile oldintp
;
480 int volatile ischunked
;
481 int volatile isproxy
;
486 static size_t bufsize
;
487 static char *xferbuf
;
488 const char *cp
, *token
;
491 const char *errormsg
;
492 char *volatile savefile
;
494 char *volatile location
;
495 char *volatile message
;
496 char *uuser
, *pass
, *host
, *port
, *path
;
497 char *volatile decodedpath
;
498 char *puser
, *ppass
, *useragent
;
499 off_t hashbytes
, rangestart
, rangeend
, entitylen
;
500 int (*volatile closefunc
)(FILE *);
507 DPRINTF("fetch_url: `%s' proxyenv `%s'\n", url
, STRorNULL(proxyenv
));
509 oldintr
= oldintp
= NULL
;
514 auth
= location
= message
= NULL
;
515 ischunked
= isproxy
= hcode
= 0;
517 uuser
= pass
= host
= path
= decodedpath
= puser
= ppass
= NULL
;
519 if (parse_url(url
, "URL", &urltype
, &uuser
, &pass
, &host
, &port
,
520 &portnum
, &path
) == -1)
521 goto cleanup_fetch_url
;
523 if (urltype
== FILE_URL_T
&& ! EMPTYSTRING(host
)
524 && strcasecmp(host
, "localhost") != 0) {
525 warnx("No support for non local file URL `%s'", url
);
526 goto cleanup_fetch_url
;
529 if (EMPTYSTRING(path
)) {
530 if (urltype
== FTP_URL_T
) {
531 rval
= fetch_ftp(url
);
532 goto cleanup_fetch_url
;
534 if (urltype
!= HTTP_URL_T
|| outfile
== NULL
) {
535 warnx("Invalid URL (no file after host) `%s'", url
);
536 goto cleanup_fetch_url
;
540 decodedpath
= ftp_strdup(path
);
541 url_decode(decodedpath
);
544 savefile
= ftp_strdup(outfile
);
546 cp
= strrchr(decodedpath
, '/'); /* find savefile */
548 savefile
= ftp_strdup(cp
+ 1);
550 savefile
= ftp_strdup(decodedpath
);
552 DPRINTF("fetch_url: savefile `%s'\n", savefile
);
553 if (EMPTYSTRING(savefile
)) {
554 if (urltype
== FTP_URL_T
) {
555 rval
= fetch_ftp(url
);
556 goto cleanup_fetch_url
;
558 warnx("No file after directory (you must specify an "
559 "output file) `%s'", url
);
560 goto cleanup_fetch_url
;
565 rangestart
= rangeend
= entitylen
= -1;
567 if (restartautofetch
) {
568 if (strcmp(savefile
, "-") != 0 && *savefile
!= '|' &&
569 stat(savefile
, &sb
) == 0)
570 restart_point
= sb
.st_size
;
572 if (urltype
== FILE_URL_T
) { /* file:// URLs */
573 direction
= "copied";
574 fin
= fopen(decodedpath
, "r");
576 warn("Can't open `%s'", decodedpath
);
577 goto cleanup_fetch_url
;
579 if (fstat(fileno(fin
), &sb
) == 0) {
581 filesize
= sb
.st_size
;
584 if (lseek(fileno(fin
), restart_point
, SEEK_SET
) < 0) {
585 warn("Can't seek to restart `%s'",
587 goto cleanup_fetch_url
;
591 fprintf(ttyout
, "Copying %s", decodedpath
);
593 fprintf(ttyout
, " (restarting at " LLF
")",
597 } else { /* ftp:// or http:// URLs */
601 if (proxyenv
== NULL
) {
602 if (urltype
== HTTP_URL_T
)
603 proxyenv
= getoptionvalue("http_proxy");
604 else if (urltype
== FTP_URL_T
)
605 proxyenv
= getoptionvalue("ftp_proxy");
607 direction
= "retrieved";
608 if (! EMPTYSTRING(proxyenv
)) { /* use proxy */
611 char *pport
, *no_proxy
;
616 /* check URL against list of no_proxied sites */
617 no_proxy
= getoptionvalue("no_proxy");
618 if (! EMPTYSTRING(no_proxy
)) {
619 char *np
, *np_copy
, *np_iter
;
620 unsigned long np_port
;
623 np_iter
= np_copy
= ftp_strdup(no_proxy
);
625 while ((cp
= strsep(&np_iter
, " ,")) != NULL
) {
628 if ((np
= strrchr(cp
, ':')) != NULL
) {
630 np_port
= strtoul(np
, &ep
, 10);
631 if (*np
== '\0' || *ep
!= '\0')
633 if (np_port
!= portnum
)
639 if (strncasecmp(host
+ hlen
- plen
,
646 if (isproxy
== 0 && urltype
== FTP_URL_T
) {
647 rval
= fetch_ftp(url
);
648 goto cleanup_fetch_url
;
654 warnx("Can't restart via proxy URL `%s'",
656 goto cleanup_fetch_url
;
658 if (parse_url(proxyenv
, "proxy URL", &purltype
,
659 &puser
, &ppass
, &phost
, &pport
, &pportnum
,
661 goto cleanup_fetch_url
;
663 if ((purltype
!= HTTP_URL_T
664 && purltype
!= FTP_URL_T
) ||
665 EMPTYSTRING(phost
) ||
666 (! EMPTYSTRING(ppath
)
667 && strcmp(ppath
, "/") != 0)) {
668 warnx("Malformed proxy URL `%s'",
673 goto cleanup_fetch_url
;
675 if (isipv6addr(host
) &&
676 strchr(host
, '%') != NULL
) {
678 "Scoped address notation `%s' disallowed via web proxy",
683 goto cleanup_fetch_url
;
691 path
= ftp_strdup(url
);
694 } /* ! EMPTYSTRING(proxyenv) */
696 memset(&hints
, 0, sizeof(hints
));
698 hints
.ai_family
= family
;
699 hints
.ai_socktype
= SOCK_STREAM
;
700 hints
.ai_protocol
= 0;
701 error
= getaddrinfo(host
, port
, &hints
, &res0
);
703 warnx("Can't lookup `%s:%s': %s", host
, port
,
704 (error
== EAI_SYSTEM
) ? strerror(errno
)
705 : gai_strerror(error
));
706 goto cleanup_fetch_url
;
708 if (res0
->ai_canonname
)
709 host
= res0
->ai_canonname
;
712 for (res
= res0
; res
; res
= res
->ai_next
) {
713 char hname
[NI_MAXHOST
], sname
[NI_MAXSERV
];
716 if (getnameinfo(res
->ai_addr
, res
->ai_addrlen
,
717 hname
, sizeof(hname
), sname
, sizeof(sname
),
718 NI_NUMERICHOST
| NI_NUMERICSERV
) != 0) {
719 strlcpy(hname
, "?", sizeof(hname
));
720 strlcpy(sname
, "?", sizeof(sname
));
723 if (verbose
&& res0
->ai_next
) {
724 fprintf(ttyout
, "Trying %s:%s ...\n",
728 s
= socket(res
->ai_family
, SOCK_STREAM
,
732 "Can't create socket for connection to "
733 "`%s:%s'", hname
, sname
);
737 if (ftp_connect(s
, res
->ai_addr
, res
->ai_addrlen
) < 0) {
748 warnx("Can't connect to `%s:%s'", host
, port
);
749 goto cleanup_fetch_url
;
752 fin
= fdopen(s
, "r+");
754 * Construct and send the request.
757 fprintf(ttyout
, "Requesting %s\n", url
);
762 fprintf(ttyout
, "%svia %s:%s", leading
,
767 fprintf(fin
, "GET %s HTTP/1.0\r\n", path
);
769 fprintf(fin
, "Pragma: no-cache\r\n");
771 fprintf(fin
, "GET %s HTTP/1.1\r\n", path
);
772 if (strchr(host
, ':')) {
776 * strip off IPv6 scope identifier, since it is
779 h
= ftp_strdup(host
);
781 (p
= strchr(h
, '%')) != NULL
) {
784 fprintf(fin
, "Host: [%s]", h
);
787 fprintf(fin
, "Host: %s", host
);
788 if (portnum
!= HTTP_PORT
)
789 fprintf(fin
, ":%u", portnum
);
790 fprintf(fin
, "\r\n");
791 fprintf(fin
, "Accept: */*\r\n");
792 fprintf(fin
, "Connection: close\r\n");
794 fputs(leading
, ttyout
);
795 fprintf(fin
, "Range: bytes=" LLF
"-\r\n",
797 fprintf(ttyout
, "restarting at " LLF
,
803 fprintf(fin
, "Cache-Control: no-cache\r\n");
805 if ((useragent
=getenv("FTPUSERAGENT")) != NULL
) {
806 fprintf(fin
, "User-Agent: %s\r\n", useragent
);
808 fprintf(fin
, "User-Agent: %s/%s\r\n",
809 FTP_PRODUCT
, FTP_VERSION
);
813 fprintf(ttyout
, "%swith authorization",
818 fprintf(fin
, "Authorization: %s\r\n", wwwauth
);
823 "%swith proxy authorization", leading
);
827 fprintf(fin
, "Proxy-Authorization: %s\r\n", proxyauth
);
829 if (verbose
&& hasleading
)
830 fputs(")\n", ttyout
);
831 fprintf(fin
, "\r\n");
832 if (fflush(fin
) == EOF
) {
833 warn("Writing HTTP request");
834 goto cleanup_fetch_url
;
837 /* Read the response */
838 len
= get_line(fin
, buf
, sizeof(buf
), &errormsg
);
840 if (*errormsg
== '\n')
842 warnx("Receiving HTTP reply: %s", errormsg
);
843 goto cleanup_fetch_url
;
845 while (len
> 0 && (ISLWS(buf
[len
-1])))
847 DPRINTF("fetch_url: received `%s'\n", buf
);
849 /* Determine HTTP response code */
850 cp
= strchr(buf
, ' ');
855 hcode
= strtol(cp
, &ep
, 10);
856 if (*ep
!= '\0' && !isspace((unsigned char)*ep
))
858 message
= ftp_strdup(cp
);
860 /* Read the rest of the header. */
862 len
= get_line(fin
, buf
, sizeof(buf
), &errormsg
);
864 if (*errormsg
== '\n')
866 warnx("Receiving HTTP reply: %s", errormsg
);
867 goto cleanup_fetch_url
;
869 while (len
> 0 && (ISLWS(buf
[len
-1])))
873 DPRINTF("fetch_url: received `%s'\n", buf
);
876 * Look for some headers
881 if (match_token(&cp
, "Content-Length:")) {
882 filesize
= STRTOLL(cp
, &ep
, 10);
883 if (filesize
< 0 || *ep
!= '\0')
885 DPRINTF("fetch_url: parsed len as: " LLF
"\n",
888 } else if (match_token(&cp
, "Content-Range:")) {
889 if (! match_token(&cp
, "bytes"))
895 rangestart
= STRTOLL(cp
, &ep
, 10);
896 if (rangestart
< 0 || *ep
!= '-')
899 rangeend
= STRTOLL(cp
, &ep
, 10);
900 if (rangeend
< 0 || rangeend
< rangestart
)
910 entitylen
= STRTOLL(cp
, &ep
, 10);
920 fprintf(ttyout
, "parsed range as: ");
921 if (rangestart
== -1)
922 fprintf(ttyout
, "*");
924 fprintf(ttyout
, LLF
"-" LLF
,
927 fprintf(ttyout
, "/" LLF
"\n", (LLT
)entitylen
);
930 if (! restart_point
) {
932 "Received unexpected Content-Range header");
933 goto cleanup_fetch_url
;
936 } else if (match_token(&cp
, "Last-Modified:")) {
940 memset(&parsed
, 0, sizeof(parsed
));
941 t
= parse_rfc2616time(&parsed
, cp
);
943 parsed
.tm_isdst
= -1;
945 mtime
= timegm(&parsed
);
947 if (ftp_debug
&& mtime
!= -1) {
949 "parsed time as: %s",
950 rfc2822time(localtime(&mtime
)));
955 } else if (match_token(&cp
, "Location:")) {
956 location
= ftp_strdup(cp
);
957 DPRINTF("fetch_url: parsed location as `%s'\n",
960 } else if (match_token(&cp
, "Transfer-Encoding:")) {
961 if (match_token(&cp
, "binary")) {
963 "Bogus transfer encoding `binary' (fetching anyway)");
966 if (! (token
= match_token(&cp
, "chunked"))) {
968 "Unsupported transfer encoding `%s'",
970 goto cleanup_fetch_url
;
973 DPRINTF("fetch_url: using chunked encoding\n");
975 } else if (match_token(&cp
, "Proxy-Authenticate:")
976 || match_token(&cp
, "WWW-Authenticate:")) {
977 if (! (token
= match_token(&cp
, "Basic"))) {
979 "fetch_url: skipping unknown auth scheme `%s'\n",
984 auth
= ftp_strdup(token
);
985 DPRINTF("fetch_url: parsed auth as `%s'\n", cp
);
989 /* finished parsing header */
995 if (! restart_point
) {
996 warnx("Not expecting partial content header");
997 goto cleanup_fetch_url
;
1006 if (EMPTYSTRING(location
)) {
1008 "No redirection Location provided by server");
1009 goto cleanup_fetch_url
;
1011 if (redirect_loop
++ > 5) {
1012 warnx("Too many redirections requested");
1013 goto cleanup_fetch_url
;
1017 fprintf(ttyout
, "Redirected via %s\n",
1019 rval
= fetch_url(url
, location
,
1020 proxyauth
, wwwauth
);
1023 fprintf(ttyout
, "Redirected to %s\n",
1025 rval
= go_fetch(location
);
1027 goto cleanup_fetch_url
;
1033 char *auser
, *apass
;
1044 if (verbose
|| *authp
== NULL
||
1045 auser
== NULL
|| apass
== NULL
)
1046 fprintf(ttyout
, "%s\n", message
);
1047 if (EMPTYSTRING(auth
)) {
1049 "No authentication challenge provided by server");
1050 goto cleanup_fetch_url
;
1052 if (*authp
!= NULL
) {
1056 "Authorization failed. Retry (y/n)? ");
1057 if (get_line(stdin
, reply
, sizeof(reply
), NULL
)
1059 goto cleanup_fetch_url
;
1061 if (tolower((unsigned char)reply
[0]) != 'y')
1062 goto cleanup_fetch_url
;
1066 if (auth_url(auth
, authp
, auser
, apass
) == 0) {
1067 rval
= fetch_url(url
, proxyenv
,
1068 proxyauth
, wwwauth
);
1069 memset(*authp
, 0, strlen(*authp
));
1072 goto cleanup_fetch_url
;
1077 warnx("Error retrieving file `%s'", message
);
1079 warnx("Unknown error retrieving file");
1080 goto cleanup_fetch_url
;
1082 } /* end of ftp:// or http:// specific setup */
1084 /* Open the output file. */
1085 if (strcmp(savefile
, "-") == 0) {
1087 } else if (*savefile
== '|') {
1088 oldintp
= xsignal(SIGPIPE
, SIG_IGN
);
1089 fout
= popen(savefile
+ 1, "w");
1091 warn("Can't execute `%s'", savefile
+ 1);
1092 goto cleanup_fetch_url
;
1096 if ((rangeend
!= -1 && rangeend
<= restart_point
) ||
1097 (rangestart
== -1 && filesize
!= -1 && filesize
<= restart_point
)) {
1100 fprintf(ttyout
, "already done\n");
1102 goto cleanup_fetch_url
;
1104 if (restart_point
&& rangestart
!= -1) {
1105 if (entitylen
!= -1)
1106 filesize
= entitylen
;
1107 if (rangestart
!= restart_point
) {
1109 "Size of `%s' differs from save file `%s'",
1111 goto cleanup_fetch_url
;
1113 fout
= fopen(savefile
, "a");
1115 fout
= fopen(savefile
, "w");
1117 warn("Can't open `%s'", savefile
);
1118 goto cleanup_fetch_url
;
1124 if (sigsetjmp(httpabort
, 1))
1125 goto cleanup_fetch_url
;
1126 (void)xsignal(SIGQUIT
, psummary
);
1127 oldintr
= xsignal(SIGINT
, aborthttp
);
1129 if ((size_t)rcvbuf_size
> bufsize
) {
1131 (void)free(xferbuf
);
1132 bufsize
= rcvbuf_size
;
1133 xferbuf
= ftp_malloc(bufsize
);
1140 /* Finally, suck down the file. */
1147 /* read chunk-size */
1149 if (fgets(xferbuf
, bufsize
, fin
) == NULL
) {
1150 warnx("Unexpected EOF reading chunk-size");
1151 goto cleanup_fetch_url
;
1154 chunksize
= strtol(xferbuf
, &ep
, 16);
1155 if (ep
== xferbuf
) {
1156 warnx("Invalid chunk-size");
1157 goto cleanup_fetch_url
;
1159 if (errno
== ERANGE
|| chunksize
< 0) {
1161 warn("Chunk-size `%.*s'",
1162 (int)(ep
-xferbuf
), xferbuf
);
1163 goto cleanup_fetch_url
;
1167 * XXX: Work around bug in Apache 1.3.9 and
1168 * 1.3.11, which incorrectly put trailing
1169 * space after the chunk-size.
1174 /* skip [ chunk-ext ] */
1176 while (*ep
&& *ep
!= '\r')
1180 if (strcmp(ep
, "\r\n") != 0) {
1181 warnx("Unexpected data following chunk-size");
1182 goto cleanup_fetch_url
;
1184 DPRINTF("fetch_url: got chunk-size of " LLF
"\n",
1186 if (chunksize
== 0) {
1191 /* transfer file or chunk */
1193 struct timeval then
, now
, td
;
1197 (void)gettimeofday(&then
, NULL
);
1198 bufrem
= rate_get
? rate_get
: (off_t
)bufsize
;
1200 bufrem
= MIN(chunksize
, bufrem
);
1201 while (bufrem
> 0) {
1202 flen
= fread(xferbuf
, sizeof(char),
1203 MIN((off_t
)bufsize
, bufrem
), fin
);
1208 if (fwrite(xferbuf
, sizeof(char), flen
, fout
)
1210 warn("Writing `%s'", savefile
);
1211 goto cleanup_fetch_url
;
1213 if (hash
&& !progress
) {
1214 while (bytes
>= hashbytes
) {
1215 (void)putc('#', ttyout
);
1218 (void)fflush(ttyout
);
1228 (void)gettimeofday(&now
, NULL
);
1229 timersub(&now
, &then
, &td
);
1232 usleep(1000000 - td
.tv_usec
);
1235 if (ischunked
&& chunksize
<= 0)
1238 /* read CRLF after chunk*/
1241 if (fgets(xferbuf
, bufsize
, fin
) == NULL
) {
1242 warnx("Unexpected EOF reading chunk CRLF");
1243 goto cleanup_fetch_url
;
1245 if (strcmp(xferbuf
, "\r\n") != 0) {
1246 warnx("Unexpected data following chunk");
1247 goto cleanup_fetch_url
;
1252 } while (ischunked
);
1254 /* XXX: deal with optional trailer & CRLF here? */
1256 if (hash
&& !progress
&& bytes
> 0) {
1258 (void)putc('#', ttyout
);
1259 (void)putc('\n', ttyout
);
1262 warn("Reading file");
1263 goto cleanup_fetch_url
;
1267 if (closefunc
== fclose
&& mtime
!= -1) {
1268 struct timeval tval
[2];
1270 (void)gettimeofday(&tval
[0], NULL
);
1271 tval
[1].tv_sec
= mtime
;
1272 tval
[1].tv_usec
= 0;
1276 if (utimes(savefile
, tval
) == -1) {
1278 "Can't change modification time to %s",
1279 rfc2822time(localtime(&mtime
)));
1287 goto cleanup_fetch_url
;
1290 warnx("Improper response from `%s:%s'", host
, port
);
1294 (void)xsignal(SIGINT
, oldintr
);
1296 (void)xsignal(SIGPIPE
, oldintp
);
1301 if (closefunc
!= NULL
&& fout
!= NULL
)
1308 memset(pass
, 0, strlen(pass
));
1313 FREEPTR(decodedpath
);
1316 memset(ppass
, 0, strlen(ppass
));
1325 * Abort a HTTP retrieval
1328 aborthttp(int notused
)
1335 len
= strlcpy(msgbuf
, "\nHTTP fetch aborted.\n", sizeof(msgbuf
));
1336 write(fileno(ttyout
), msgbuf
, len
);
1337 siglongjmp(httpabort
, 1);
1341 * Retrieve ftp URL or classic ftp argument using FTP.
1342 * Returns 1 on failure, 0 on completed xfer, -1 if ftp connection
1343 * is still open (e.g, ftp xfer with trailing /)
1346 fetch_ftp(const char *url
)
1348 char *cp
, *xargv
[5], rempath
[MAXPATHLEN
];
1349 char *host
, *path
, *dir
, *file
, *uuser
, *pass
;
1351 char cmdbuf
[MAXPATHLEN
];
1353 int dirhasglob
, filehasglob
, rval
, transtype
, xargc
;
1354 int oanonftp
, oautologin
;
1358 DPRINTF("fetch_ftp: `%s'\n", url
);
1359 host
= path
= dir
= file
= uuser
= pass
= NULL
;
1364 if (STRNEQUAL(url
, FTP_URL
)) {
1365 if ((parse_url(url
, "URL", &urltype
, &uuser
, &pass
,
1366 &host
, &port
, &portnum
, &path
) == -1) ||
1367 (uuser
!= NULL
&& *uuser
== '\0') ||
1368 EMPTYSTRING(host
)) {
1369 warnx("Invalid URL `%s'", url
);
1370 goto cleanup_fetch_ftp
;
1373 * Note: Don't url_decode(path) here. We need to keep the
1374 * distinction between "/" and "%2F" until later.
1377 /* check for trailing ';type=[aid]' */
1378 if (! EMPTYSTRING(path
) && (cp
= strrchr(path
, ';')) != NULL
) {
1379 if (strcasecmp(cp
, ";type=a") == 0)
1381 else if (strcasecmp(cp
, ";type=i") == 0)
1383 else if (strcasecmp(cp
, ";type=d") == 0) {
1385 "Directory listing via a URL is not supported");
1386 goto cleanup_fetch_ftp
;
1388 warnx("Invalid suffix `%s' in URL `%s'", cp
,
1390 goto cleanup_fetch_ftp
;
1394 } else { /* classic style `[user@]host:[file]' */
1395 urltype
= CLASSIC_URL_T
;
1396 host
= ftp_strdup(url
);
1397 cp
= strchr(host
, '@');
1401 anonftp
= 0; /* disable anonftp */
1402 host
= ftp_strdup(cp
+ 1);
1404 cp
= strchr(host
, ':');
1407 path
= ftp_strdup(cp
+ 1);
1410 if (EMPTYSTRING(host
))
1411 goto cleanup_fetch_ftp
;
1413 /* Extract the file and (if present) directory name. */
1415 if (! EMPTYSTRING(dir
)) {
1417 * If we are dealing with classic `[user@]host:[path]' syntax,
1418 * then a path of the form `/file' (resulting from input of the
1419 * form `host:/file') means that we should do "CWD /" before
1420 * retrieving the file. So we set dir="/" and file="file".
1422 * But if we are dealing with URLs like `ftp://host/path' then
1423 * a path of the form `/file' (resulting from a URL of the form
1424 * `ftp://host//file') means that we should do `CWD ' (with an
1425 * empty argument) before retrieving the file. So we set
1426 * dir="" and file="file".
1428 * If the path does not contain / at all, we set dir=NULL.
1429 * (We get a path without any slashes if we are dealing with
1430 * classic `[user@]host:[file]' or URL `ftp://host/file'.)
1432 * In all other cases, we set dir to a string that does not
1433 * include the final '/' that separates the dir part from the
1434 * file part of the path. (This will be the empty string if
1435 * and only if we are dealing with a path of the form `/file'
1436 * resulting from an URL of the form `ftp://host//file'.)
1438 cp
= strrchr(dir
, '/');
1439 if (cp
== dir
&& urltype
== CLASSIC_URL_T
) {
1441 (void)strlcpy(dirbuf
, "/", sizeof(dirbuf
));
1443 } else if (cp
!= NULL
) {
1452 if (urltype
== FTP_URL_T
&& file
!= NULL
) {
1454 /* but still don't url_decode(dir) */
1456 DPRINTF("fetch_ftp: user `%s' pass `%s' host %s port %s "
1457 "path `%s' dir `%s' file `%s'\n",
1458 STRorNULL(uuser
), STRorNULL(pass
),
1459 STRorNULL(host
), STRorNULL(port
),
1460 STRorNULL(path
), STRorNULL(dir
), STRorNULL(file
));
1462 dirhasglob
= filehasglob
= 0;
1463 if (doglob
&& urltype
== CLASSIC_URL_T
) {
1464 if (! EMPTYSTRING(dir
) && strpbrk(dir
, "*?[]{}") != NULL
)
1466 if (! EMPTYSTRING(file
) && strpbrk(file
, "*?[]{}") != NULL
)
1470 /* Set up the connection */
1473 disconnect(0, NULL
);
1475 (void)strlcpy(cmdbuf
, getprogname(), sizeof(cmdbuf
));
1485 oautologin
= autologin
;
1486 /* don't autologin in setpeer(), use ftp_login() below */
1488 setpeer(xargc
, xargv
);
1489 autologin
= oautologin
;
1490 if ((connected
== 0) ||
1491 (connected
== 1 && !ftp_login(host
, uuser
, pass
))) {
1492 warnx("Can't connect or login to host `%s:%s'",
1493 host
, port
? port
: "?");
1494 goto cleanup_fetch_ftp
;
1497 switch (transtype
) {
1502 setbinary(1, xargv
);
1505 errx(1, "fetch_ftp: unknown transfer type %d", transtype
);
1509 * Change directories, if necessary.
1511 * Note: don't use EMPTYSTRING(dir) below, because
1512 * dir=="" means something different from dir==NULL.
1514 if (dir
!= NULL
&& !dirhasglob
) {
1518 * If we are dealing with a classic `[user@]host:[path]'
1519 * (urltype is CLASSIC_URL_T) then we have a raw directory
1520 * name (not encoded in any way) and we can change
1521 * directories in one step.
1523 * If we are dealing with an `ftp://host/path' URL
1524 * (urltype is FTP_URL_T), then RFC 3986 says we need to
1525 * send a separate CWD command for each unescaped "/"
1526 * in the path, and we have to interpret %hex escaping
1527 * *after* we find the slashes. It's possible to get
1528 * empty components here, (from multiple adjacent
1529 * slashes in the path) and RFC 3986 says that we should
1530 * still do `CWD ' (with a null argument) in such cases.
1532 * Many ftp servers don't support `CWD ', so if there's an
1533 * error performing that command, bail out with a descriptive
1538 * host: dir="", urltype=CLASSIC_URL_T
1539 * logged in (to default directory)
1540 * host:file dir=NULL, urltype=CLASSIC_URL_T
1542 * host:dir/ dir="dir", urltype=CLASSIC_URL_T
1543 * "CWD dir", logged in
1544 * ftp://host/ dir="", urltype=FTP_URL_T
1545 * logged in (to default directory)
1546 * ftp://host/dir/ dir="dir", urltype=FTP_URL_T
1547 * "CWD dir", logged in
1548 * ftp://host/file dir=NULL, urltype=FTP_URL_T
1550 * ftp://host//file dir="", urltype=FTP_URL_T
1551 * "CWD ", "RETR file"
1552 * host:/file dir="/", urltype=CLASSIC_URL_T
1553 * "CWD /", "RETR file"
1554 * ftp://host///file dir="/", urltype=FTP_URL_T
1555 * "CWD ", "CWD ", "RETR file"
1556 * ftp://host/%2F/file dir="%2F", urltype=FTP_URL_T
1557 * "CWD /", "RETR file"
1558 * ftp://host/foo/file dir="foo", urltype=FTP_URL_T
1559 * "CWD foo", "RETR file"
1560 * ftp://host/foo/bar/file dir="foo/bar"
1561 * "CWD foo", "CWD bar", "RETR file"
1562 * ftp://host//foo/bar/file dir="/foo/bar"
1563 * "CWD ", "CWD foo", "CWD bar", "RETR file"
1564 * ftp://host/foo//bar/file dir="foo//bar"
1565 * "CWD foo", "CWD ", "CWD bar", "RETR file"
1566 * ftp://host/%2F/foo/bar/file dir="%2F/foo/bar"
1567 * "CWD /", "CWD foo", "CWD bar", "RETR file"
1568 * ftp://host/%2Ffoo/bar/file dir="%2Ffoo/bar"
1569 * "CWD /foo", "CWD bar", "RETR file"
1570 * ftp://host/%2Ffoo%2Fbar/file dir="%2Ffoo%2Fbar"
1571 * "CWD /foo/bar", "RETR file"
1572 * ftp://host/%2Ffoo%2Fbar%2Ffile dir=NULL
1573 * "RETR /foo/bar/file"
1575 * Note that we don't need `dir' after this point.
1578 if (urltype
== FTP_URL_T
) {
1579 nextpart
= strchr(dir
, '/');
1587 DPRINTF("fetch_ftp: dir `%s', nextpart `%s'\n",
1588 STRorNULL(dir
), STRorNULL(nextpart
));
1589 if (urltype
== FTP_URL_T
|| *dir
!= '\0') {
1590 (void)strlcpy(cmdbuf
, "cd", sizeof(cmdbuf
));
1597 if (*dir
== '\0' && code
== 500)
1600 "ftp: The `CWD ' command (without a directory), which is required by\n"
1601 " RFC 3986 to support the empty directory in the URL pathname (`//'),\n"
1602 " conflicts with the server's conformance to RFC 959.\n"
1603 " Try the same URL without the `//' in the URL pathname.\n"
1605 goto cleanup_fetch_ftp
;
1609 } while (dir
!= NULL
);
1612 if (EMPTYSTRING(file
)) {
1614 goto cleanup_fetch_ftp
;
1618 (void)strlcpy(rempath
, dir
, sizeof(rempath
));
1619 (void)strlcat(rempath
, "/", sizeof(rempath
));
1620 (void)strlcat(rempath
, file
, sizeof(rempath
));
1624 /* Fetch the file(s). */
1626 (void)strlcpy(cmdbuf
, "get", sizeof(cmdbuf
));
1630 if (dirhasglob
|| filehasglob
) {
1633 ointeractive
= interactive
;
1635 if (restartautofetch
)
1636 (void)strlcpy(cmdbuf
, "mreget", sizeof(cmdbuf
));
1638 (void)strlcpy(cmdbuf
, "mget", sizeof(cmdbuf
));
1641 interactive
= ointeractive
;
1643 if (outfile
== NULL
) {
1644 cp
= strrchr(file
, '/'); /* find savefile */
1650 xargv
[2] = (char *)outfile
;
1653 if (restartautofetch
)
1654 reget(xargc
, xargv
);
1659 if ((code
/ 100) == COMPLETE
)
1668 memset(pass
, 0, strlen(pass
));
1674 * Retrieve the given file to outfile.
1675 * Supports arguments of the form:
1676 * "host:path", "ftp://host/path" if $ftpproxy, call fetch_url() else
1678 * "http://host/path" call fetch_url() to use HTTP
1679 * "file:///path" call fetch_url() to copy
1680 * "about:..." print a message
1682 * Returns 1 on failure, 0 on completed xfer, -1 if ftp connection
1683 * is still open (e.g, ftp xfer with trailing /)
1686 go_fetch(const char *url
)
1694 if (STRNEQUAL(url
, ABOUT_URL
)) {
1695 url
+= sizeof(ABOUT_URL
) -1;
1696 if (strcasecmp(url
, "ftp") == 0 ||
1697 strcasecmp(url
, "tnftp") == 0) {
1699 "This version of ftp has been enhanced by Luke Mewburn <lukem@NetBSD.org>\n"
1700 "for the NetBSD project. Execute `man ftp' for more details.\n", ttyout
);
1701 } else if (strcasecmp(url
, "lukem") == 0) {
1703 "Luke Mewburn is the author of most of the enhancements in this ftp client.\n"
1704 "Please email feedback to <lukem@NetBSD.org>.\n", ttyout
);
1705 } else if (strcasecmp(url
, "netbsd") == 0) {
1707 "NetBSD is a freely available and redistributable UNIX-like operating system.\n"
1708 "For more information, see http://www.NetBSD.org/\n", ttyout
);
1709 } else if (strcasecmp(url
, "version") == 0) {
1710 fprintf(ttyout
, "Version: %s %s%s\n",
1711 FTP_PRODUCT
, FTP_VERSION
,
1719 fprintf(ttyout
, "`%s' is an interesting topic.\n", url
);
1721 fputs("\n", ttyout
);
1727 * Check for file:// and http:// URLs.
1729 if (STRNEQUAL(url
, HTTP_URL
) || STRNEQUAL(url
, FILE_URL
))
1730 return (fetch_url(url
, NULL
, NULL
, NULL
));
1733 * Try FTP URL-style and host:file arguments next.
1734 * If ftpproxy is set with an FTP URL, use fetch_url()
1735 * Othewise, use fetch_ftp().
1737 proxyenv
= getoptionvalue("ftp_proxy");
1738 if (!EMPTYSTRING(proxyenv
) && STRNEQUAL(url
, FTP_URL
))
1739 return (fetch_url(url
, NULL
, NULL
, NULL
));
1741 return (fetch_ftp(url
));
1745 * Retrieve multiple files from the command line,
1746 * calling go_fetch() for each file.
1748 * If an ftp path has a trailing "/", the path will be cd-ed into and
1749 * the connection remains open, and the function will return -1
1750 * (to indicate the connection is alive).
1751 * If an error occurs the return value will be the offset+1 in
1752 * argv[] of the file that caused a problem (i.e, argv[x]
1754 * Otherwise, 0 is returned if all files retrieved successfully.
1757 auto_fetch(int argc
, char *argv
[])
1759 volatile int argpos
, rval
;
1763 if (sigsetjmp(toplevel
, 1)) {
1765 disconnect(0, NULL
);
1770 (void)xsignal(SIGINT
, intr
);
1771 (void)xsignal(SIGPIPE
, lostpeer
);
1774 * Loop through as long as there's files to fetch.
1776 for (; (rval
== 0) && (argpos
< argc
); argpos
++) {
1777 if (strchr(argv
[argpos
], ':') == NULL
)
1781 anonftp
= 2; /* Handle "automatic" transfers. */
1782 rval
= go_fetch(argv
[argpos
]);
1783 if (outfile
!= NULL
&& strcmp(outfile
, "-") != 0
1784 && outfile
[0] != '|')
1790 if (connected
&& rval
!= -1)
1791 disconnect(0, NULL
);
1797 * Upload multiple files from the command line.
1799 * If an error occurs the return value will be the offset+1 in
1800 * argv[] of the file that caused a problem (i.e, argv[x]
1802 * Otherwise, 0 is returned if all files uploaded successfully.
1805 auto_put(int argc
, char **argv
, const char *uploadserver
)
1807 char *uargv
[4], *path
, *pathsep
;
1808 int uargc
, rval
, argpos
;
1810 char cmdbuf
[MAX_C_NAME
];
1812 (void)strlcpy(cmdbuf
, "mput", sizeof(cmdbuf
));
1816 uargv
[2] = uargv
[3] = NULL
;
1820 DPRINTF("auto_put: target `%s'\n", uploadserver
);
1822 path
= ftp_strdup(uploadserver
);
1824 if (path
[len
- 1] != '/' && path
[len
- 1] != ':') {
1826 * make sure we always pass a directory to auto_fetch
1828 if (argc
> 1) { /* more than one file to upload */
1829 len
= strlen(uploadserver
) + 2; /* path + "/" + "\0" */
1831 path
= (char *)ftp_malloc(len
);
1832 (void)strlcpy(path
, uploadserver
, len
);
1833 (void)strlcat(path
, "/", len
);
1834 } else { /* single file to upload */
1835 (void)strlcpy(cmdbuf
, "put", sizeof(cmdbuf
));
1837 pathsep
= strrchr(path
, '/');
1838 if (pathsep
== NULL
) {
1839 pathsep
= strrchr(path
, ':');
1840 if (pathsep
== NULL
) {
1841 warnx("Invalid URL `%s'", path
);
1842 goto cleanup_auto_put
;
1845 uargv
[2] = ftp_strdup(pathsep
);
1848 uargv
[2] = ftp_strdup(pathsep
+ 1);
1853 DPRINTF("auto_put: URL `%s' argv[2] `%s'\n",
1854 path
, STRorNULL(uargv
[2]));
1856 /* connect and cwd */
1857 rval
= auto_fetch(1, &path
);
1859 goto cleanup_auto_put
;
1863 /* target filename provided; upload 1 file */
1864 /* XXX : is this the best way? */
1868 if ((code
/ 100) != COMPLETE
)
1870 } else { /* otherwise a target dir: upload all files to it */
1871 for(argpos
= 0; argv
[argpos
] != NULL
; argpos
++) {
1872 uargv
[1] = argv
[argpos
];
1874 if ((code
/ 100) != COMPLETE
) {