FTP: make the data connection work when going through proxy

This is a regression since the switch to always-multi internally
c43127414d89c.

Test 1316 was modified since we now c

FTP: make the data connection work when going through proxy

This is a regression since the switch to always-multi internally
c43127414d89c.

Test 1316 was modified since we now clearly call the Curl_client_write()
function when doing the LIST transfer part and then the
handler->protocol says FTP and ftpc.transfertype is 'A' which implies
text converting even though that the response is initially a HTTP
CONNECT response in this case.

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pingpong: Renamed curl_ftptransfer to curl_pp_transfer

pingpong: Moved curl_ftptransfer definition to pingpong.h

Moved the ftp transfer structure into pingpong.h so other protocols that
require it don't have to include ftp.h.

Revert changes relative to lib/*.[ch] recent renaming

This reverts renaming and usage of lib/*.h header files done
28-12-2012, reverting 2 commits:

f871de0... build: make use

Revert changes relative to lib/*.[ch] recent renaming

This reverts renaming and usage of lib/*.h header files done
28-12-2012, reverting 2 commits:

f871de0... build: make use of 76 lib/*.h renamed files
ffd8e12... build: rename 76 lib/*.h files

This also reverts removal of redundant include guard (redundant thanks
to changes in above commits) done 2-12-2013, reverting 1 commit:

c087374... curl_setup.h: remove redundant include guard

This also reverts renaming and usage of lib/*.c source files done
3-12-2013, reverting 3 commits:

13606bb... build: make use of 93 lib/*.c renamed files
5b6e792... build: rename 93 lib/*.c files
7d83dff... build: commit 13606bbfde follow-up 1

Start of related discussion thread:

http://curl.haxx.se/mail/lib-2013-01/0012.html

Asking for confirmation on pushing this revertion commit:

http://curl.haxx.se/mail/lib-2013-01/0048.html

Confirmation summary:

http://curl.haxx.se/mail/lib-2013-01/0079.html

NOTICE: The list of 2 files that have been modified by other
intermixed commits, while renamed, and also by at least one
of the 6 commits this one reverts follows below. These 2 files
will exhibit a hole in history unless git's '--follow' option
is used when viewing logs.

lib/curl_imap.h
lib/curl_smtp.h

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build: make use of 76 lib/*.h renamed files

76 private header files renamed to use our standard naming scheme.

This change affects 322 files in libcurl's source tree.

timeleft_accept: ack global timeout, moved to ftp.c

First off the timeout for accepting a server connect back must of course
respect a global timeout. Then the timeleft function is only

timeleft_accept: ack global timeout, moved to ftp.c

First off the timeout for accepting a server connect back must of course
respect a global timeout. Then the timeleft function is only used by ftp
code so it was moved to ftp.c and made static.

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FTP: move FTP-specific struct field to ftpc_conn

"wait_data_conn" was added to the connectionbits in commit c834213ad5 for
handling active FTP connections but as it is purely FTP specifi

FTP: move FTP-specific struct field to ftpc_conn

"wait_data_conn" was added to the connectionbits in commit c834213ad5 for
handling active FTP connections but as it is purely FTP specific and now
only ever accessed by ftp.c I moved it into the FTP connection struct.

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FTP: perform active connections non-blocking

1- Two new error codes are introduced.

CURLE_FTP_ACCEPT_FAILED to be set whenever ACCEPTing fails because of
FTP server connected.

FTP: perform active connections non-blocking

1- Two new error codes are introduced.

CURLE_FTP_ACCEPT_FAILED to be set whenever ACCEPTing fails because of
FTP server connected.

CURLE_FTP_ACCEPT_TIMEOUT to be set whenever ACCEPTing timeouts.

Neither of these errors are considered fatal and control connection
remains OK because it could just be a firewall blocking server to
connect to the client.

2- One new setopt option was introduced.

CURLOPT_ACCEPTTIMEOUT_MS

It sets the maximum amount of time FTP client is going to wait for a
server to connect. Internal default accept timeout is 60 seconds.

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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.

FTP: WILDCARDMATCH/CHUNKING/FNMATCH added

remove the CVSish $Id$ lines

make Curl_handler_*_proxy definition static

update copyright year since we are in 2010 now

- Ingmar Runge enhanced libcurl's FTP engine to support the PRET command. This
command is a special "hack" used by the drftpd server, but even though it is
a custom extension I've deemed

- Ingmar Runge enhanced libcurl's FTP engine to support the PRET command. This
command is a special "hack" used by the drftpd server, but even though it is
a custom extension I've deemed it fine to add to libcurl since this server
seems to survive and people keep using it and want libcurl to support
it. The new libcurl option is named CURLOPT_FTP_USE_PRET, and it is also
usable from the curl tool with --ftp-pret. Using this option on a server
that doesn't support this command will make libcurl fail.

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introducing IMAP, POP3 and SMTP support (still lots of polish left to do)

Added per-protocol callback static tables, replacing callback ptr storage
in the connectdata structure by a single handler table ptr.

update copyright year notice

- Armel Asselin improved libcurl to behave a lot better when an easy handle
doing an FTP transfer is removed from a multi handle before completion. The
fix also fixed the "alive counter"

- Armel Asselin improved libcurl to behave a lot better when an easy handle
doing an FTP transfer is removed from a multi handle before completion. The
fix also fixed the "alive counter" to be correct on "premature removal" for
all protocols.

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First curl_multi_socket() commit. Should primarily be considered as an internal
code rearrange to fit the future better.

FTP code turned into state machine. Not completely yet, but a good start.
The tag 'before_ftp_statemachine' was set just before this commit in case
of future need.

Curl_done() and the protocol-specific conn->curl_done() functions now all
take a CURLcode as a second argument, that is non-zero when Curl_done()
is called after an error was returned from Cu

Curl_done() and the protocol-specific conn->curl_done() functions now all
take a CURLcode as a second argument, that is non-zero when Curl_done()
is called after an error was returned from Curl_do() (or similar).

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removed Curl_ftp_quit() as it was turned into a static in ftp.c

added the missing proto for the still unused quit function

updated year in the copyright string

Use ssize_t instead of 'int' to make the 64 bit sparc compiler happier.
Fix by Richard Gorton.