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Commit Graph

857 Commits

Author SHA1 Message Date
Marcel Raad
a3f93a62a2
ftp: fix Codacy/cppcheck warning about null pointer arithmetic
Increment `bytes` only if it is non-null.

Closes https://github.com/curl/curl/pull/6576
2021-02-10 16:46:52 +01:00
Daniel Stenberg
528f71c2ec
ftp: add 'list_only' to the transfer state struct
and rename it from 'ftp_list_only' since it is also used for SSH and
POP3. The state is updated internally for 'type=D' FTP URLs.

Added test case 1570 to verify.

Closes #6578
2021-02-09 14:06:28 +01:00
Daniel Stenberg
115c9e27f5
ftp: add 'prefer_ascii' to the transfer state struct
... and make sure the code never updates 'set.prefer_ascii' as it breaks
handle reuse which should use the setting as the user specified it.

Added test 1569 to verify: it first makes an FTP transfer with ';type=A'
and then another without type on the same handle and the second should
then use binary. Previously, curl failed this.

Closes #6578
2021-02-09 14:06:28 +01:00
Daniel Stenberg
0c51036eb6
ftp: never set data->set.ftp_append outside setopt
Since the set value then risks getting used like that when the easy
handle is reused by the application.

Also: renamed the struct field from 'ftp_append' to 'remote_append'
since it is also used for SSH protocols.

Closes #6579
2021-02-08 22:44:37 +01:00
Daniel Stenberg
e32601e13a
ftp: avoid SIZE when asking for a TYPE A file
... as we ignore it anyway because servers don't report the correct size
and proftpd even blatantly returns a 550.

Updates a set of tests accordingly.

Reported-by: awesomenode on github
Fixes #6564
Closes #6565
2021-02-04 23:06:03 +01:00
Daniel Stenberg
5f08a5acd5
pingpong: rename the curl_pp_transfer enum to use PP prefix
Using an FTP prefix for PP provided functionality was misleading.
2021-02-04 23:06:03 +01:00
Daniel Stenberg
642d78026f
urldata: remove the duplicate 'ip_addr_str' field
... as the numerical IP address is already stored and kept in 'primary_ip'.

Closes #6534
2021-01-27 09:18:51 +01:00
Patrick Monnerat
234638ea63
lib: remove conn->data uses
Closes #6515
2021-01-26 15:19:41 +01:00
Daniel Stenberg
7173fe98ba
pingpong: remove the 'conn' struct member
... as it's superfluous now when Curl_easy is passed in and we can
derive the connection from that instead and avoid the duplicate copy.

Closes #6525
2021-01-26 10:12:59 +01:00
Daniel Stenberg
1dc8aa870e
hostip/proxy: remove conn->data use
Closes #6513
2021-01-26 10:04:47 +01:00
Daniel Stenberg
8335c6417e
hostip: remove conn->data from resolver functions
This also moves the 'async' struct from the connectdata struct into the
Curl_easy struct, which seems like a better home for it.

Closes #6497
2021-01-22 08:25:09 +01:00
Daniel Stenberg
ba4808d53c
ftp: remove conn->data leftover 2021-01-20 14:59:17 +01:00
Daniel Stenberg
56d1891db6
curl_range: remove conn->data
Closes #6496
2021-01-20 14:59:11 +01:00
Daniel Stenberg
a304051620
lib: more conn->data cleanups
Closes #6479
2021-01-19 09:14:51 +01:00
Patrick Monnerat
bbe3aa9f88
vtls: reduce conn->data use
Closes #6474
2021-01-19 09:14:40 +01:00
Daniel Stenberg
215db086e0
lib: pass in 'struct Curl_easy *' to most functions
... in most cases instead of 'struct connectdata *' but in some cases in
addition to.

- We mostly operate on transfers and not connections.

- We need the transfer handle to log, store data and more. Everything in
  libcurl is driven by a transfer (the CURL * in the public API).

- This work clarifies and separates the transfers from the connections
  better.

- We should avoid "conn->data". Since individual connections can be used
  by many transfers when multiplexing, making sure that conn->data
  points to the current and correct transfer at all times is difficult
  and has been notoriously error-prone over the years. The goal is to
  ultimately remove the conn->data pointer for this reason.

Closes #6425
2021-01-17 23:56:09 +01:00
Daniel Stenberg
aba01da639
failf: remove newline from formatting strings
... as failf adds one itself.

Also: add an assert() to failf() that triggers on a newline in the
format string!

Closes #6365
2020-12-25 23:42:16 +01:00
Daniel Stenberg
69a358f218
ftp: make wc_statemach loop instead of recurse
CVE-2020-8285

Fixes #6255
Bug: https://curl.se/docs/CVE-2020-8285.html
Reported-by: xnynx on github
2020-12-07 09:25:48 +01:00
Klaus Crusius
2c0d721215
ftp: retry getpeername for FTP with TCP_FASTOPEN
In the case of TFO, the remote host name is not resolved at the
connetion time.

For FTP that has lead to missing hostname for the secondary connection.
Therefore the name resolution is done at the time, when FTP requires it.

Fixes #6252
Closes #6265
Closes #6282
2020-12-06 11:18:28 +01:00
Daniel Stenberg
a95a6ce6b8
urldata: remove 'void *protop' and create the union 'p'
... to avoid the use of 'void *' for the protocol specific structs done
per transfer.

Closes #6238
2020-11-23 16:16:16 +01:00
Daniel Stenberg
4d2f800677
curl.se: new home
Closes #6172
2020-11-04 23:59:47 +01:00
Daniel Stenberg
475c1aba68
checksrc: warn on empty line before open brace
... and fix a few occurances

Closes #6088
2020-10-15 23:32:26 +02:00
Daniel Stenberg
4a4c724599
ftp: make a 552 response return CURLE_REMOTE_DISK_FULL
Added test 348 to verify. Added a 'STOR' command to the test FTP
server to enable test 348. Documented the command in FILEFORMAT.md

Reported-by: Duncan Wilcox
Fixes #6016
Closes #6017
2020-09-26 13:37:15 +02:00
Daniel Stenberg
1397a7de6e
ftp: separate FTPS from FTP over "HTTPS proxy"
When using HTTPS proxy, SSL is used but not in the view of the FTP
protocol handler itself so separate the connection's use of SSL from the
FTP control connection's sue.

Reported-by: Mingtao Yang
Fixes #5523
Closes #6006
2020-09-24 14:09:20 +02:00
Daniel Stenberg
675eeb1c94
pingpong: use a dynbuf for the *_pp_sendf() function
... reuses the same dynamic buffer instead of doing repeated malloc/free
cycles.

Test case 100 (FTP dir list PASV) does 7 fewer memory allocation calls
after this change in my test setup (132 => 125), curl 7.72.0 needed 140
calls for this.

Test case 103 makes 9 less allocations now (130). Down from 149 in
7.72.0.

Closes #6004
2020-09-23 15:14:09 +02:00
Daniel Stenberg
1ee289f7b5
curl_krb5.h: rename from krb5.h
Follow-up from f4873ebd0b

Turns out some older openssl installations go bananas otherwise.
Reported-by: Tom van der Woerdt
Fixes #5995
Closes #5996
2020-09-22 13:46:22 +02:00
Daniel Stenberg
f4873ebd0b
krb5: merged security.c and krb specific FTP functions in here
These two files were always tightly connected and it was hard to
understand what went into which. This also allows us to make the
ftpsend() function static (moved from ftp.c).

Removed security.c
Renamed curl_sec.h to krb5.h

Closes #5987
2020-09-21 23:31:39 +02:00
Daniel Stenberg
6434a73984
Curl_handler: add 'family' to each protocol
Makes get_protocol_family() faster and it moves the knowledge about the
"families" to each protocol handler, where it belongs.

Closes #5986
2020-09-21 23:30:16 +02:00
Daniel Stenberg
3d8731c8f5
ftp: avoid risk of reading uninitialized integers
If the received PASV response doesn't match the expected pattern, we
could end up reading uninitialized integers for IP address and port
number.

Issue pointed out by muse.dev
Closes #5972
2020-09-18 08:26:49 +02:00
Daniel Stenberg
cc372af1e9
ftp: get rid of the PPSENDF macro
The use of such a macro hides some of what's actually going on to the
reader and is generally disapproved of in the project.

Closes #5971
2020-09-18 07:56:16 +02:00
Daniel Stenberg
7ea2e1d0c5
ftp: a 550 response to SIZE returns CURLE_REMOTE_FILE_NOT_FOUND
This is primarily interesting for cases where CURLOPT_NOBODY is set as
previously curl would not return an error for this case.

MDTM getting 550 now also returns this error (it returned
CURLE_FTP_COULDNT_RETR_FILE before) in order to unify return codes for
missing files across protocols and specific FTP commands.

libcurl already returns error on a 550 as a MDTM response (when
CURLOPT_FILETIME is set). If CURLOPT_NOBODY is not set, an error would
happen subsequently anyway since the RETR command would fail.

Add test 1913 and 1914 to verify. Updated several tests accordingly due
to the updated SIZE behavior.

Reported-by: Tomas Berger
Fixes #5953
Closes #5957
2020-09-14 12:53:12 +02:00
Daniel Stenberg
aecce3551c
ftp: don't do ssl_shutdown instead of ssl_close
The shutdown function is for downgrading a connection from TLS to plain,
and this is not requested here.

Have ssl_close reset the TLS connection state.

This partially reverts commit f002c850d9

Reported-by: Rasmus Melchior Jacobsen
Reported-by: Denis Goleshchikhin
Fixes #5797
2020-08-10 14:32:06 +02:00
Daniel Stenberg
032e838b73
terminology: call them null-terminated strings
Updated terminology in docs, comments and phrases to refer to C strings
as "null-terminated". Done to unify with how most other C oriented docs
refer of them and what users in general seem to prefer (based on a
single highly unscientific poll on twitter).

Reported-by: coinhubs on github
Fixes #5598
Closes #5608
2020-06-28 00:31:24 +02:00
Daniel Stenberg
31e53584db
escape: make the URL decode able to reject only %00 bytes
... or all "control codes" or nothing.

Assisted-by: Nicolas Sterchele
2020-06-25 09:57:18 +02:00
Daniel Stenberg
d2baa502fc
Curl_inet_ntop: always check the return code
Reported-by: Siva Sivaraman
Fixes #5412
Closes #5597
2020-06-24 16:04:54 +02:00
Daniel Stenberg
f3d501dc67
build: disable more code/data when built without proxy support
Added build to travis to verify

Closes #5466
2020-05-30 23:18:16 +02:00
Daniel Stenberg
842f73de58
timeouts: change millisecond timeouts to timediff_t from time_t
For millisecond timers we like timediff_t better. Also, time_t can be
unsigned so returning a negative value doesn't work then.

Closes #5479
2020-05-30 23:10:57 +02:00
Daniel Stenberg
7414fb25a2
urldata: connect related booleans live in struct ConnectBits
And remove a few unused booleans!

Closes #5461
2020-05-27 08:02:47 +02:00
Daniel Stenberg
d23cc224e6
cleanup: use a single space after equals sign in assignments 2020-05-26 08:28:38 +02:00
Viktor Szakats
308c243db5
all: fix codespell errors
Reviewed-by: Jay Satiro
Reviewed-by: Daniel Stenberg
Closes https://github.com/curl/curl/pull/5452
2020-05-25 19:44:04 +00:00
Daniel Stenberg
dbc5c17738
ftp: mark return-ignoring calls to Curl_GetFTPResponse with (void)
They're done on purpose, make that visible in the code.
Reported-by: MonocleAI
Fixes #5412
Closes #549
2020-05-19 08:06:41 +02:00
Daniel Stenberg
8df455479f
source cleanup: remove all custom typedef structs
- Stick to a single unified way to use structs
 - Make checksrc complain on 'typedef struct {'
 - Allow them in tests, public headers and examples

 - Let MD4_CTX, MD5_CTX, and SHA256_CTX typedefs remain as they actually
   typedef different types/structs depending on build conditions.

Closes #5338
2020-05-15 08:54:42 +02:00
Daniel Stenberg
449e54b483
ftp: make domore_getsock() return the secondary socket properly
Previously, after PASV and immediately after the data connection has
connected, the function would only return the control socket to wait for
which then made the data connection simply timeout and not get polled
correctly. This become obvious when running test 1631 and 1632 event-
based.
2020-05-15 08:28:56 +02:00
Daniel Stenberg
f002c850d9
ftp: shut down the secondary connection properly when SSL is used
Reported-by: Neal Poole
Fixes #5340
Closes #5385
2020-05-15 08:28:55 +02:00
Daniel Stenberg
66b0775763
checksrc: enhance the ASTERISKSPACE and update code accordingly
Fine: "struct hello *world"

Not fine: "struct hello* world" (and variations)

Closes #5386
2020-05-14 00:02:05 +02:00
Daniel Stenberg
4a4b63daaa
socks: make the connect phase non-blocking
Removes two entries from KNOWN_BUGS.

Closes #4907
2020-02-17 00:08:48 +01:00
Daniel Stenberg
c188391a9f
ftp: convert 'sock_accepted' to a plain boolean
This was an array indexed with sockindex but it was only ever used for
the secondary socket.

Closes #4929
2020-02-16 22:23:17 +01:00
Daniel Stenberg
5ce7102cea
ftp: remove the duplicated user/password struct fields
Closes #4887
2020-02-07 08:18:36 +01:00
Daniel Stenberg
950b53da0d
ftp: remove superfluous checking for crlf in user or pwd
... as this is already done much earlier in the URL parser.

Also add test case 894 that verifies that pop3 with an encodedd CR in
the user name is rejected.

Closes #4887
2020-02-07 08:18:23 +01:00
Daniel Stenberg
671c48eb1a
ftp: shrink temp buffers used for PORT
These two stack based buffers only need to be 46 + 66 bytes instead of
256 + 1024.

Closes #4880
2020-02-05 10:09:43 +01:00