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Commit Graph

141 Commits

Author SHA1 Message Date
Daniel Stenberg
db4215f14a tftp_rx: code style cleanup
Fixed checksrc warnings
2012-11-16 22:00:17 +01:00
Christian Vogt
0ac827848d tftp_rx: handle resends
Re-send ACK for block X in case we receive block X data again while
waiting for block X+1.

Based on an earlier patch by Marcin Adamski.
2012-11-16 15:30:52 +01:00
Daniel Stenberg
6cd084a3b5 Curl_pgrsDone: return int and acknowledge return code
Since Curl_pgrsDone() itself calls Curl_pgrsUpdate() which may return an
abort instruction or similar we need to return that info back and
subsequently properly handle return codes from Curl_pgrsDone() where
used.

(Spotted by a Coverity scan)
2012-06-10 23:40:35 +02:00
Daniel Stenberg
9f20379fe4 hostip: avoid getaddrinfo when c-ares is used
Some functions using getaddrinfo and gethostbyname were still
mistakingly being used/linked even if c-ares was selected as resolver
backend.

Reported by: Arthur Murray
Bug: http://curl.haxx.se/mail/lib-2012-01/0160.html
2012-01-12 23:13:19 +01:00
Jonas Schnelli
2c905fd1f8 query-part: ignore the URI part for given protocols
By setting PROTOPT_NOURLQUERY in the protocol handler struct, the
protocol will get the "query part" of the URL cut off before the data is
handled by the protocol-specific code. This makes libcurl adhere to
RFC3986 section 2.2.

Test 1220 is added to verify a file:// URL with query-part.
2011-11-24 23:31:19 +01:00
Daniel Stenberg
d7934b8bd4 curl_multi_fdset: correct fdset with FTP PORT use
After a PORT has been issued, and the multi handle would switch to the
CURLM_STATE_DO_MORE state (which is unique for FTP), libcurl would
return the wrong fdset to wait for when curl_multi_fdset() is
called. The code would blindly assume that it was waiting for a connect
of the second connection, while that isn't true immediately after the
PORT command.

Also, the function multi.c:domore_getsock() was highly FTP-centric and
therefore ugly to keep in protocol-agnostic code. I solved this problem
by introducing a new function pointer in the Curl_handler struct called
domore_getsock() which is only called during the DOMORE state for
protocols that set that pointer.

The new ftp.c:ftp_domore_getsock() function now returns fdset info about
the control connection's command/response handling while such a state is
in use, and goes over to waiting for a writable second connection first
once the commands are done.

The original problem could be seen by running test 525 and checking the
time stamps in the FTP server log. I can verify that this fix at least
fixes this problem.

Bug: http://curl.haxx.se/mail/lib-2011-10/0250.html
Reported by: Gokhan Sengun
2011-10-21 23:36:54 +02:00
Marcin Adamski
03adff1eba tftp.c: TFTP timeout and unexpected block adjustments
Set ACK timeout to 5 seconds.

If we are waiting for block X and receive block Y that is the expected one, we
should send ACK and increase X (which is already implemented). Otherwise drop
the packet and don't increase retry counter.
2011-10-13 19:45:36 +02:00
Yang Tse
a50210710a fix bool variables checking and assignment 2011-09-05 20:46:09 +02:00
Yang Tse
f1586cb477 stdio.h, stdlib.h, string.h, stdarg.h and ctype.h inclusion done in setup_once.h 2011-07-26 17:23:27 +02:00
Yang Tse
983f3d70f9 WIN32 io.h and fcntl.h inclusion done in setup_once.h 2011-07-25 05:30:14 +02:00
Yang Tse
0337b87197 time.h and sys/time.h inclusion conditionally done in setup_once.h 2011-07-25 04:08:08 +02:00
Daniel Stenberg
b680fd180b code style: space between close paren and open brace 2011-07-04 22:10:32 +02:00
Daniel Stenberg
4f170ee8f9 Curl_socket_ready: make timeout a 'long'
It was mostly typecasted to int all over the code so switching to long
instead all over should be a net gain.
2011-06-04 21:19:14 +02:00
Daniel Stenberg
f0612f166a RTSP: convert protocol-specific checks to generic
Add a 'readwrite' function to the protocol handler struct and use that
for the extra readwrite functionality RTSP needs.
2011-05-05 16:27:03 +02:00
Daniel Stenberg
889d1e973f whitespace cleanup: no space first in conditionals
"if(a)" is our style, not "if( a )"
2011-04-27 09:09:35 +02:00
Daniel Stenberg
b903186fa0 source cleanup: unify look, style and indent levels
By the use of a the new lib/checksrc.pl script that checks that our
basic source style rules are followed.
2011-04-27 09:09:35 +02:00
Fabian Keil
1702a2c08d Fix a couple of spelling errors in lib/
Found with codespell.
2011-04-21 07:55:53 -07:00
Daniel Stenberg
13b64d7558 protocols: use CURLPROTO_ internally
The PROT_* set of internal defines for the protocols is no longer
used. We now use the same bits internally as we have defined in the
public header using the CURLPROTO_ prefix. This is for simplicity and
because the PROT_* prefix was already used duplicated internally for a
set of KRB4 values.

The PROTOPT_* defines were moved up to just below the struct definition
within which they are used.
2011-03-14 22:52:14 +01:00
Daniel Stenberg
8831000bc0 protocol handler: added flags field
The protocol handler struct got a 'flags' field for special information
and characteristics of the given protocol.

This now enables us to move away central protocol information such as
CLOSEACTION and DUALCHANNEL from single defines in a central place, out
to each protocol's definition. It also made us stop abusing the protocol
field for other info than the protocol, and we could start cleaning up
other protocol-specific things by adding flags bits to set in the
handler struct.

The "protocol" field connectdata struct was removed as well and the code
now refers directly to the conn->handler->protocol field instead. To
make things work properly, the code now always store a conn->given
pointer that points out the original handler struct so that the code can
learn details from the original protocol even if conn->handler is
modified along the way - for example when switching to go over a HTTP
proxy.
2011-03-14 22:22:22 +01:00
Daniel Stenberg
adb49ad8bb Curl_timeleft: s/conn/data in first argument
As the function doesn't really use the connectdata struct but only the
SessionHanadle struct I modified what argument it wants.
2011-01-04 23:13:10 +01:00
Kamil Dudka
5c7c9a768d url: provide dead_connection flag in Curl_handler::disconnect
It helps to prevent a hangup with some FTP servers in case idle session
timeout has exceeded.  But it may be useful also for other protocols
that send any quit message on disconnect.  Currently used by FTP, POP3,
IMAP and SMTP.
2010-12-06 14:35:42 +01:00
Rutger Hofman
592df29f9c TFTP: resend the correct data
I found a bug in tftp_tx() in tftp.c. If a data resend is done after
reception of an ACK/OACK, the call to sendto is wrong.
2010-11-10 15:08:18 +01:00
Daniel Stenberg
33c3bb057b TFTP: re-indented the source code
Just made sure that the good old curl indentation style is used all over
this file.
2010-09-26 23:38:00 +02:00
Tim Newsome
6bf2014745 TFTP: Work around tftpd-hpa upload bug
tftpd-hpa has a bug where it will send an incorrect ack when the block
counter wraps and tftp options have been sent. Work around that by
accepting an ack for 65535 when we're expecting one for 0.
2010-09-26 23:30:56 +02:00
Guenter Knauf
d47bd396ce Trial to fix another compiler warning with braces. 2010-09-03 20:35:34 +02:00
Daniel Stenberg
8348dd96dd warning: silence the compiler
warning: conversion to 'long int' from 'time_t' may alter its value

... on win64 when time_t is 64bit and long is 32bit.
2010-08-11 00:06:20 +02:00
Yang Tse
da6e992e1d fix compiler warning using curl_socket_t to store socket descriptor 2010-06-09 01:51:46 +02:00
Daniel Stenberg
3b47d231ac TFTP: fix compiler warning
Curl_fillreadbuffer()'s second argument takes an int, so
typecasting to another is a bad idea.
2010-06-08 10:35:06 +02:00
Daniel Stenberg
7977bc3dfa TFTP: fix warning for sendto() usage on non-POSIX systems
Older unixes want an 'int' instead of 'size_t' as the 3rd
argumment so before this change it would cause warnings such as:

There is an implicit conversion from "unsigned long" to "int";
rounding, sign extension, or loss of accuracy may result.
2010-06-08 10:19:39 +02:00
Daniel Stenberg
d17709da31 TFTP: send legal timeout value
Eric Mertens posted bug #3003705: when we made TFTP use the
correct timeout option when sent to the server (fixed May 18th
2010) it became obvious that libcurl used invalid timeout values
(300 by default while the RFC allows nothing above 255). While of
course it is obvious that as TFTP has worked thus far without
being able to set timeout at all, just removing the setting
wouldn't make any difference in behavior. I decided to still keep
it (but fix the problem) as it now actually allows for easier
(future) customization of the timeout.

(http://curl.haxx.se/bug/view.cgi?id=3003705)
2010-05-21 23:29:52 +02:00
Daniel Stenberg
0bb6deda72 TFTP: don't ack if wrong block num is received
If an unexpected block number was received, break out of the
switch loop.
2010-05-21 23:07:59 +02:00
Daniel Stenberg
0a29e2445c TFTP: block id wrap bug fix
In a normal expression, doing [unsigned short] + 1 will not wrap
at 16 bits so the comparisons and outputs were done wrong. I
added a macro do make sure it gets done right.

Douglas Kilpatrick filed bug report #3004787 about it:
http://curl.haxx.se/bug/view.cgi?id=3004787
2010-05-21 23:04:15 +02:00
Daniel Stenberg
aabd27d9aa TFTP: send timeout option correctly
Eric Mertens posted bug report #3003005 pointing out that the
libcurl TFTP code was not sending the timeout option properly to
the server, and suggested a fix.

(http://curl.haxx.se/bug/view.cgi?id=3003005)
2010-05-18 23:14:00 +02:00
Daniel Stenberg
c0111460b0 Curl_setup_transfer: no longer returns anything
This function could only return CURLE_OK and by changing it to
a void instead, we can simplify code all over.
2010-04-16 23:43:04 +02:00
Daniel Stenberg
313a5b05c2 tftp_rx: Value stored to 'sbytes' is never read 2010-04-16 22:55:07 +02:00
Ben Greear
7de44e0a42 Make rate-limitation logic smoother
This gives a smoother rate limitation performance by using
sub-second pauses and also taking the buffer sizes into
account.
2010-03-26 23:33:02 +01:00
Daniel Stenberg
2309b4e330 remove the CVSish $Id$ lines 2010-03-24 11:02:54 +01:00
Ben Greear
ad76d58e7f Fix tftp return codes and tsize upload handling
Error codes were not properly returned to the main curl code (and on to apps
using libcurl).

tftp was crapping out when tsize == 0 on upload, but I see no reason to fail
to upload just because the remote file is zero-length.  Ignore tsize option on
upload.
2010-03-21 23:24:36 +01:00
Daniel Stenberg
6728334edb fix warning about conversions between curl_off_t and long 2010-03-18 21:52:31 +00:00
Daniel Stenberg
e262aaae2b - Ben Greear brought a patch that fixed the rate limiting logic for TFTP when
the easy interface was used.
2010-03-06 18:42:06 +00:00
Daniel Stenberg
53aa6b21fe - Ben Greear provided an update for TFTP that fixes upload. 2010-03-01 22:14:47 +00:00
Yang Tse
7aef172a34 fix printf-style format strings 2010-02-04 19:44:31 +00:00
Yang Tse
d65cf7889b fix printf-style format strings 2010-01-28 15:34:18 +00:00
Yang Tse
6e5acc2fc1 make tftp_translate_code() static, it is only used from within tftp.c 2010-01-21 14:44:28 +00:00
Yang Tse
230dc699e2 s/socklen_t/curl_socklen_t/g 2009-11-28 04:34:46 +00:00
Yang Tse
3f6854272f Fix compiler warning: unused variable `data' 2009-11-28 03:00:32 +00:00
Daniel Stenberg
6e38cc9048 - Markus Koetter provided a polished and updated version of Chad Monroe's TFTP
rework patch that now integrates TFTP properly into libcurl so that it can
  be used non-blocking with the multi interface and more. BLKSIZE also works.

  The --tftp-blksize option was added to allow setting the TFTP BLKSIZE from
  the command line.
2009-11-27 23:46:29 +00:00
Yang Tse
59939313f8 Make usage of calloc()'s arguments consistent with rest of code base 2009-11-18 10:33:54 +00:00
Daniel Stenberg
966cb698e6 - Carsten Lange reported a bug and provided a patch for TFTP upload and the
sending of the TSIZE option. I don't like fixing bugs just hours before
  a release, but since it was broken and the patch fixes this for him I decided
  to get it in anyway.
2009-08-12 08:19:39 +00:00
Gunter Knauf
8570883412 changes to silent compiler warnings with 64bit systems. 2009-07-24 22:20:22 +00:00