ETA might be over and will appear to drop rapidly, rather than being under
and appear not to change. the original code makes sense when you're testing
by suspending & resuming the client. however, the unfudged number is probably
better in reality, especially for slow spurty networks.
requested by ITOH Yasufumi <itohy@netbsd.org> in [bin/7977]
lpage page local files
pdir as dir, but through your $PAGER
pls as ls, but through your $PAGER
* implement docase() (a la dotrans() et al) and use appropriately, rototilling
some duplicated code
* globulize(): modify to return a pointer to the strdup()ed result in all cases,
and hack the code that calls it to take this into account
* replace strcpy() and strncpy() with strlcpy()
* put(), getit(): use some aptly named local vars instead of argv[...]
* delint
prototype for idle() in <unistd.h> (which i thought was against namespace
and sensibility guidelines, but...)
* consistently use xsignal() instead of signal(). we get known behaviour
in all cases (SA_RESTART), which is good for some borken foreign systems.
* remove signal.h from most files; it's unnecessary now
* fetch_url(): use `long chunksize' instead of ssize_t; it's more portable, and
we're setting chunksize with strtol() anyway
* xsignal(): only use SA_RESTART if it exists. SunOS 4.x doesn't have it
but has the inverse (SA_INTERRUPT). the original function i was inspired
from had this support (lib/signal.c, W. Richard Stevens' `UNP 2nd ed Vol 1').
* remove <termios.h> from util.c; it should be unnecessary now
prototype for idle() in <unistd.h> (which i thought was against namespace
and sensibility guidelines, but...)
* consistently use xsignal() instead of signal(). we get known behaviour
in all cases (SA_RESTART), which is good for some borken foreign systems.
* remove signal.h from most files; it's unnecessary now
* fetch_url(): use `long chunksize' instead of ssize_t; it's more portable, and
we're setting chunksize with strtol() anyway
* xsignal(): only use SA_RESTART if it exists. SunOS 4.x doesn't have it
but has the inverse (SA_INTERRUPT). the original function i was inspired
from had this support (lib/signal.c, W. Richard Stevens' `UNP 2nd ed Vol 1').
* remove <termios.h> from util.c; it should be unnecessary now
it's more portable and more obvious
* remove the mkgmtime() && HAVE_TIMEGM stuff:
a) why should netbsd have to define HAVE_TIMEGM to compile cleanly?
b) foreign compiles of ftp should just be linked with working
timegm function
a more portable version of this ftp client will be released as a 3rdparty
product; no use polluting our code with half-baked attempts...
* abort_remote(): replace borken MIN(4,BUFSIZ) with just BUFSIZ; it
should have been MAX(4,BUFSIZ), but it's probably safe to assume that
BUFSIZ is at least 3... (fix from simonb)
* auth_url(): use the correct variable when calculating a buffer size.
add lots of comments about how to size up the buffers, and add extra
checks to hopefully ensure that there won't be an overflow (unless
someone modifies the length of the sprintf()s).
* as part of the above, slightly rework the way the `*' bar is calculated.
also fixes a display bug when > 160 stars were needed to be printed.
the maximum progress bar width at this time is 256.
* remove some code that checks the port that was #if 0-ed out as part of the
ipv6 migration; it's not going to be used again.
* document the above three commands
* rototill the way the sndbuf and rcvbuf work. remove resetsockbufsize()
* use the appropriate socket buffer size as the size of the buffer that
the read()/write() loops use. speeds up things in some cases.
connection destination, hoping this to help ftpd's behavior with
scoped IPv6 addresses.
I'm not sure if it is the right way, but it is the best way available to us.
LPRT or EPRT command gives no information about which interface (or scope)
to be used for new data connection.
ftp(1): On data connection establishment, warn if scoped address is used.
If peer (ftp daemon) does not handle scoped address, data connection
may not work right.
This seems to be sort of protocol spec hole, not implementation issue.
- just display the hostname:port of the proxy url, rather than the full url.
this prevents someone `shoulder surfing' a proxy username/password
in $http_proxy. [suggested by perry]
- compact verbose notes for http fetchs; now displays
(via host:port, with authorization, with proxy authorization)
with each component being optional.
(and a couple introduced with the ipv6 mods...)
- don't override host with the canonical name; this prevented fetches from
http/1.1 virtual hosts from working if the virtual host was a CNAME.
[noted by bernd]
- call freeaddrinfo() if res was built with getaddrinfo()
the an empty directory (e.g, between `some' and `path' in
`ftp://host/some//path'), then execute `CWD ' (without a path).
This command will probably fail on rfc 959 compliant servers, so
issue a warning in this case and bail. [noted by cgd].
(i wonder if the people who wrote rfc 1738 actually realised that this
requirement appears to contravene the spec for `cwd' in rfc 959 ?)
* replace isurl() with isipv6addr(), and use appropriately. fixes
auto-login with `classic ftp URLs' (e.g, `ftp somehost:')
* cleanup and rework some of the ipv6 stuff in parse_url()
* prevent potential coredump in fetch_ftp() when parsing `;type=X'
* KNF a few lines
* fix a couple of comments
* cleanup the man page a bit
this is mainly for (hypothetical) ftp server which disconnect clients
that use EPSV/EPRT. I've never seen any ftp server like this, but
epsv4 command may be of use when such an ftp server is found.
xfer rate stuff, but i never completed the changes that didn't need it
set).
fixes a coredump noticed on current-users@ by Chan Yiu Wah <c5666305@hkstar.com>
features:
---------
* transfer rate throttling with the new `rate' command. syntax:
rate direction [max [incr]]
where direction is `all', `get' or `put'.
if max is not supplied, the current settings are displayed.
if max is supplied, then transfers in the given direction will
be throttled to this value.
if incr is supplied, the increment for the `on-the-fly' scaling
will be set to that, otherwise `1024' is used.
currently implemented for binary get, binary put, and url fetches.
not yet supported for ascii get or put, or local file copies.
* on-the-fly scaling of the throttle based on signals:
- SIGUSR1 raises the throttle rate by the increment for that direction
- SIGUSR2 lowers the throttle rate by the increment for that direction
* -T dir,max[,incr] option to set rate from the command line
* `k', `m', `g' suffix support for bytecounts in the `hash', `rate',
`rcvbuf' and `sndbuf' commands)
bug fixes and code mods:
------------------------
* fix up ftp_login() so that ruserpass() is always called, even for
command-line url fetches.
* implement strsuftoi(), which parses a given number into a int with
suffix support. replaces getsockbufsize()
* implement parserate(), which does the argv parsing for -T and rate
* save and restore errno in signal handlers (may not be necessary, but
it doesn't hurt)
notes:
------
the rate command has had reasonable testing, but I'd like feedback
if it doesn't do the right thing, especially from people on slower
(i.e, modem) links.
I haven't tested the rate throttle against a http server which does
`transfer-encoding: chunked' because I couldn't find a server to
test against.
transfer stats are printed when verbose is enabled even if ftp is compiled
with -DNO_PROGRESS/-DSMALL. this adds back some feedback that existed
in traditional ftp that was lost when i added the progress meter. (noticed
when ftp-ing from the -DSMALL version of ftp that's on the 1.4 boot floppy)
NO_PROGRESS. -DSMALL still implies all of those. progress meter support
isn't necessary for the smallest possible ftp client, but it adds very
little space and makes users' lives much better. Therefore, it should
be enabled for installation media if at all possible.
the latter only seemed to work for TIS Gauntlet and not TIS fwtk.
thanks to simonb@netbsd.org for testing this. fixes [bin/5556].
* if EOF (e.g, ^D) is entered at a username/password/account prompt which
happens to use fgets(), exit the login rather than treating EOF as CR.
* don't use the comma operator where separate statements are valid
* always use snprintf to copy stuff into malloced buffers, just in case
typos creep in and mean that the buffer ends up being overflowed
elements, which are used for the initial authentication attempt (if
requested by the server). in the case of $http_proxy, use the values
for proxy authentication.
.netrc entry exists for the host with a valid user. noted by
Frederick Bruckman <fb@enteract.com> in [bin/7477]
* fix a minor memory leak associated with calling ruserpass() with
an empty user, password, or account.
- the path is split on `/', and each directory is CWD-ed into separately.
(from [standards/7484] by Alan Barrett <apb@iafrica.com>)
- support a trailing `;type=X' suffix, where X is a,i, or d. (d isn't
implemented, but it is recognised)
- the only non-compliant behaviour is that empty directories sections
(e.g `//') aren't run as `CWD ' - as a lot of ftpds don't like that.
Instead, treat this as a no-op.
* don't support globbing for ftp urls, since that's technically not
RFC compliant.
* fix a couple of man-page nits
* $FTPMODE is the documented way in ftp(1) to force passive, active,
gate-ftp, or autodetect.
* AFAIK, we haven't shipped any previous release with pftp in /usr/bin
* no link was made for gate-ftp (and i don't think that makes sense in
/usr/bin either)
* even though the link isn't made, the support for pftp, gate-ftp, and
the `-p' flag should remain since people may depend on having their
own link (e.g, ~/bin/pftp -> /usr/bin/ftp) or aliases which use
these things. it doesn't hurt to leave argv[0] checking in ftp's main().
* fix fetch_ftp() so that hcode parsing is not done for file:// urls
(a } in the wrong place, and code at the wrong indent level...)
* change outfile to being a global (so it gets correctly reset)
* change parse_url to not remove leading '/' for non ftp urls.
whilst this is not totally rfc1738 compliant, other code kinda
assumes this is the case, and it doesn't hurt
* parse_url()
- only look for user[:pass] for an ftp url (per rfc1738)
- strip leading /'s in an ftp url. (almost per rfc 1738)
* fetch_url()
- decode a copy of the path and use that to build local filenames
- send port in http Host: header (suggested by cgd@netbsd.org)
* fetch_ftp()
- url_decode() the user, pass and path
- fix splitting of path into dir & file (partially from [bin/7073])
- don't bother caching the last host; it can cause problems when
using ftp:// transfers, or when the user changes between xfers
* improve documentation of auto-fetched url arguments (especially regarding
escape sequences in ftp:// urls)
* some whitespace & copyright updates
this should fix [bin/7073] William O Ferry <woferry@warp.wofme.com>,
as well as the metaissues raised in that PR.
calculations need to occur to prevent the calculated xfer rate from being
too fast if ftp(1) is backgrounded for a while during the xfer.
bug found by thor lancelot simon <tls@netbsd.org>.
* implement ftpvis(), which \ quotes the following in the given string:
SP, TAB, \, CR, "
* use ftpvis() in complete_ambiguous(), to escape characters in a word
which would confuse makeargv()/slurpstring().
* set setvbuf(ttyout, NULL, _IOLBF, 0) and remove a bunch of fflush(ttyout).
* use fwrite() instead of write() for progressmeter (don't intermix stdio
with non stdio ops)
a response, and return the base64 encoded response. only the `Basic'
scheme is supported.
* implement base64_enc(), which base64 encodes the given buffer
* add support for http response codes 401 "authorization required" and 407
"proxy authorization required", using auth_url(). [requested by veego@]
do_fetch() - which retrieves one file calling fetch_url() or fetch_ftp()
as necessary.
* don't http redirect more than 5 times for a given url
* send `User-Agent: NetBSD-ftp/1.4' header in http requests. (suggested
by Christoph Badura <bad@ora.de>)
* cleanup http return code parser, and add support for:
- 300 `Multiple Choices' - but only if the server returns a
preferred url in a Location: header because i'm *not* adding
a html parser to provide the user with options.
- 305 `Use Proxy [given in Location: header]'. (XXX: not tested)
* support http redirects to non-proxied ftp://urls. (bug discovered by
Chris Demetriou <cgd@netbsd.org>)
* auto-login to an ftp site (using the FTP protocol) if an ftp://host/dir/
style url is given and ftp_proxy is set. whilst this is less orthoganol
with other ftp://host/file urls it's *much* more convenient.
lukem