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* failf: remove newline from formatting stringsDaniel Stenberg2020-12-2524-56/+57
| | | | | | | | | ... as failf adds one itself. Also: add an assert() to failf() that triggers on a newline in the format string! Closes #6365
* speedcheck: exclude paused transfersDaniel Stenberg2020-12-222-0/+7
| | | | | | | | | | | Paused transfers should not be stopped due to slow speed even when CURLOPT_LOW_SPEED_LIMIT is set. Additionally, the slow speed timer is now reset when the transfer is unpaused - as otherwise it would easily just trigger immediately after unpausing. Reported-by: Harry Sintonen Fixes #6358 Closes #6359
* h2: do not wait for RECV on paused transfersDaniel Stenberg2020-12-221-3/+4
| | | | | | | | | | ... as the socket might be readable all the time when paused and thus causing a busy-loop. Reported-by: Harry Sintonen Reviewed-by: Jay Satiro Fixes #6356 Closes #6357
* http: Make the call to v4 signatureMatthias Gatto2020-12-212-1/+26
| | | | | | This patch allow to call the v4 signature introduce in previous commit Signed-off-by: Matthias Gatto <matthias.gatto@outscale.com>
* http: introduce AWS HTTP v4 SignatureMatthias Gatto2020-12-214-0/+365
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It is a security process for HTTP. It doesn't seems to be standard, but it is used by some cloud providers. Aws: https://docs.aws.amazon.com/general/latest/gr/signature-version-4.html Outscale: https://wiki.outscale.net/display/EN/Creating+a+Canonical+Request GCP (I didn't test that this code work with GCP though): https://cloud.google.com/storage/docs/access-control/signing-urls-manually most of the code is in lib/http_v4_signature.c Information require by the algorithm: - The URL - Current time - some prefix that are append to some of the signature parameters. The data extracted from the URL are: the URI, the region, the host and the API type example: https://api.eu-west-2.outscale.com/api/latest/ReadNets ~~~ ~~~~~~~~ ~~~~~~~~~~~~~~~~~~~ ^ ^ ^ / \ URI API type region Small description of the algorithm: - make canonical header using content type, the host, and the date - hash the post data - make canonical_request using custom request, the URI, the get data, the canonical header, the signed header and post data hash - hash canonical_request - make str_to_sign using one of the prefix pass in parameter, the date, the credential scope and the canonical_request hash - compute hmac from date, using secret key as key. - compute hmac from region, using above hmac as key - compute hmac from api_type, using above hmac as key - compute hmac from request_type, using above hmac as key - compute hmac from str_to_sign using above hmac as key - create Authorization header using above hmac, prefix pass in parameter, the date, and above hash Signed-off-by: Matthias Gatto <matthias.gatto@outscale.com> Closes #5703
* http: add hmac support for sha256Matthias Gatto2020-12-212-0/+23
| | | | | | | | | | | | It seems current hmac implementation use md5 for the hash, V4 signature require sha256, so I've added the needed struct in this commit. I've added the functions that do the hmac in v4 signature file as a static function ,in the next patch of the serie, because it's used only by this file. Signed-off-by: Matthias Gatto <matthias.gatto@outscale.com>
* connect: on linux, enable reporting of all ICMP errors on UDP socketsCristian Rodríguez2020-12-211-0/+14
| | | | | | | | | | | | The linux kernel does not report all ICMP errors back to userspace due to historical reasons. IP*_RECVERR sockopt must be turned on to have the correct behaviour which is to pass all ICMP errors to userspace. See https://bugzilla.kernel.org/show_bug.cgi?id=202355 Closes #6341
* c-hyper: fix compiler warningsDaniel Stenberg2020-12-201-7/+6
| | | | | | | | | Identified by clang on windows. Reported-by: Gisle Vanem Bug: 58974d25d8173aec154e593ed9d866da566c9811 Closes #6351
* build: repair http disabled but mqtt enabled buildDaniel Stenberg2020-12-182-13/+15
| | | | | | ... as the mqtt code reuses the "method" originally used for HTTP. Closes #6344
* cookie: avoid the C1001 internal compiler error with MSVC 14Jon Wilkes2020-12-181-0/+9
| | | | | Fixes #6112 Closes #6135
* mqtt: handle POST/PUBLISH without a set POSTFIELDSIZEDaniel Stenberg2020-12-181-1/+9
| | | | | | | | | Detected by OSS-Fuzz Bug: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28735 Added test 1916 and 1917 to verify. Closes #6338
* lib: introduce c-hyper for using HyperDaniel Stenberg2020-12-187-1105/+2441
| | | | ... as an alternative HTTP backend within libcurl.
* setopt: adjust to Hyper and disabled HTTP buildsDaniel Stenberg2020-12-181-1/+3
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* rtsp: disable if Hyper is usedDaniel Stenberg2020-12-182-2/+6
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* getinfo: build with disabled HTTP supportDaniel Stenberg2020-12-181-0/+2
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* version: include hyper versionDaniel Stenberg2020-12-181-4/+19
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* http: show the request as headers even when split-sendingDaniel Stenberg2020-12-173-5/+28
| | | | | | | | | | When the initial request isn't possible to send in its entirety, the remainder of request would be delivered to the debug callback as data and would wrongly be counted internally as body-bytes sent. Extended test 1295 to verify. Closes #6328
* multi: when erroring in TOOFAST state, act as for PERFORMDaniel Stenberg2020-12-171-1/+9
| | | | | | | | | | | | | When failing in TOOFAST, the multi_done() wasn't called so the same cleanup and handling wasn't done like when it fails in PERFORM, which in the case of FTP could mean that the control connection wouldn't be marked as "dead" for the CURLE_ABORTED_BY_CALLBACK case. Which caused ftp_disconnect() to use it to send "QUIT", which could end up waiting for a response a long time before giving up! Reported-by: Tomas Berger Fixes #6333 Closes #6337
* gopher: Implement secure gopher protocol.parazyd2020-12-154-0/+59
| | | | | | | | | | | | | | | | | | This commit introduces a "gophers" handler inside the gopher protocol if USE_SSL is defined. This protocol is no different than the usual gopher prococol, with the added TLS encapsulation upon connecting. The protocol has been adopted in the gopher community, and many people have enabled TLS in their gopher daemons like geomyidae(8), and clients, like clic(1) and hurl(1). I have not implemented test units for this protocol because my knowledge of Perl is sub-par. However, for someone more knowledgeable it might be fairly trivial, because the same test that tests the plain gopher protocol can be used for "gophers" just by adding a TLS listener. Signed-off-by: parazyd <parazyd@dyne.org> Closes #6208
* mqtt: deal with 0 byte reads correctlyDaniel Stenberg2020-12-151-2/+2
| | | | | | | OSS-Fuzz found it Bug: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28676 Closes #6327
* quiche: remove fprintf() leftoverDaniel Stenberg2020-12-141-1/+0
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* digest_sspi: Show InitializeSecurityContext errors in verbose modeJay Satiro2020-12-141-0/+11
| | | | | | | | | | | | | | | | | | | | | The error is shown with infof rather than failf so that the user will see the extended error message information only in verbose mode, and will still see the standard CURLE_AUTH_ERROR message. For example: --- * schannel: InitializeSecurityContext failed: SEC_E_QOP_NOT_SUPPORTED (0x8009030A) - The per-message Quality of Protection is not supported by the security package * multi_done * Connection #1 to host 127.0.0.1 left intact curl: (94) An authentication function returned an error --- Ref: https://github.com/curl/curl/issues/6302 Closes https://github.com/curl/curl/pull/6315
* tests/server/disabled: add "wakeup"Daniel Stenberg2020-12-112-0/+8
| | | | | To allow the test suite to know if wakeup support is disabled in the build.
* ngtcp2: make it build it current master againDaniel Stenberg2020-12-102-4/+4
| | | | Closes #6296
* connect: defer port selection until connect() timeCristian Rodríguez2020-12-101-1/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | If supported, defer port selection until connect() time if --interface is given and source port is 0. Reproducer: * start fast webserver on port 80 * starve system of ephemeral ports $ sysctl net.ipv4.ip_local_port_range="60990 60999" * start a curl/libcurl "crawler" $curl --keepalive --parallel --parallel-immediate --head --interface 127.0.0.2 "http://127.0.0.[1-254]/file[001-002].txt" current result: (possible some successful data) curl: (45) bind failed with errno 98: Address already in use result after patch: (complete success or few connections failing, higlhy depending on load) Fail only when all the possible 4-tuple combinations are exhausted, which is impossible to do when port is selected at bind() time becuse the kernel does not know if socket will be listen()'ed on or connect'ed yet. Closes #6295
* connect: zero variable on stack to silence valgrind complaintHans-Christian Noren Egtvedt2020-12-091-0/+1
| | | | | | | | | | | | Valgrind will complain that ssrem buffer usage if not explicit initialized, hence initialize it to zero. This completes the change intially started in commit 2c0d7212151 ('ftp: retry getpeername for FTP with TCP_FASTOPEN') where the ssloc buffer has a similar memset to zero. Signed-off-by: Hans-Christian Noren Egtvedt <hegtvedt@cisco.com> Closes #6289
* urldata: restore comment on ssl_connect_data.useJacob Hoffman-Andrews2020-12-071-3/+3
| | | | | | | This comment was originally on the `use` field, but was separated from its field in 62a2534. Closes https://github.com/curl/curl/pull/6287
* openssl: make the OCSP verification verify the certificate idDaniel Stenberg2020-12-071-29/+54
| | | | | | | | CVE-2020-8286 Reported by anonymous Bug: https://curl.se/docs/CVE-2020-8286.html
* ftp: make wc_statemach loop instead of recurseDaniel Stenberg2020-12-071-100/+102
| | | | | | | | CVE-2020-8285 Fixes #6255 Bug: https://curl.se/docs/CVE-2020-8285.html Reported-by: xnynx on github
* ftp: CURLOPT_FTP_SKIP_PASV_IP by defaultDaniel Stenberg2020-12-071-0/+1
| | | | | | | | | | | | The command line tool also independently sets --ftp-skip-pasv-ip by default. Ten test cases updated to adapt the modified --libcurl output. Bug: https://curl.se/docs/CVE-2020-8284.html CVE-2020-8284 Reported-by: Varnavas Papaioannou
* urlapi: don't accept blank port number field without schemeDaniel Stenberg2020-12-072-5/+10
| | | | | | | | | | ... as it makes the URL parser accept "very-long-hostname://" as a valid host name and we don't want that. The parser now only accepts a blank (no digits) after the colon if the URL starts with a scheme. Reported-by: d4d on hackerone Closes #6283
* Revert "multi: implement wait using winsock events"Daniel Stenberg2020-12-062-153/+3
| | | | | | | | | | | This reverts commit d2a7d7c185f98df8f3e585e5620cbc0482e45fac. This commit also reverts the subsequent follow-ups to that commit, which were all done within windows #ifdefs that are removed in this change. Marc helped me verify this. Fixes #6146 Closes #6281
* ftp: retry getpeername for FTP with TCP_FASTOPENKlaus Crusius2020-12-063-45/+70
| | | | | | | | | | | | 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
* openssl: use OPENSSL_init_ssl() with >= 1.1.0Daniel Stenberg2020-12-031-4/+15
| | | | | | | Reported-by: Kovalkov Dmitrii and Per Nilsson Fixes #6254 Fixes #6256 Closes #6260
* quiche: close the connectionDaniel Stenberg2020-12-022-8/+15
| | | | | | Reported-by: Junho Choi Fixes #6213 Closes #6217
* ngtcp2: Fix build error due to symbol name changeJay Satiro2020-12-021-4/+4
| | | | | | | | | | - NGTCP2_CRYPTO_LEVEL_APP -> NGTCP2_CRYPTO_LEVEL_APPLICATION ngtcp2/ngtcp2@76232e9 changed the name. ngtcp2 master is required to build curl with http3 support. Closes https://github.com/curl/curl/pull/6271
* cmake: check for linux/tcp.hKlaus Crusius2020-12-013-0/+7
| | | | | | The HAVE_LINUX_TCP_H define was not set by cmake. Closes #6252
* splay: rename Curl_splayremovebyaddr to Curl_splayremoveDaniel Stenberg2020-12-013-18/+10
| | | | | | | ... and remove the old unused proto for the old Curl_splayremove version. Closes #6269
* openssl: free mem_buf in error pathDaniel Stenberg2020-12-011-9/+9
| | | | | | To fix a memory-leak. Closes #6267
* openssl: remove #if 0 leftoverDaniel Stenberg2020-11-301-4/+0
| | | | | | Follow-up to 4c9768565ec3a9 (from Sep 2008) Closes #6268
* ntlm: avoid malloc(0) on zero length user and domainDaniel Stenberg2020-11-291-6/+2
| | | | | | | | ... and simplify the too-long checks somewhat. Detected by OSS-Fuzz Closes #6264
* ngtcp2: use the minimal version of QUIC supported by ngtcp2Daiki Ueno2020-11-261-1/+1
| | | | Closes #6250
* ngtcp2: advertise h3 ALPN unconditionallyDaiki Ueno2020-11-261-17/+5
| | | | Closes #6250
* vquic/ngtcp2.h: define local_addr as sockaddr_storageDaiki Ueno2020-11-262-4/+5
| | | | | | | | | | | | This field needs to be wide enough to hold sockaddr_in6 when connecting via IPv6. Otherwise, ngtcp2_conn_read_pkt will drop the packets because of the address mismatch: I00000022 [...] con ignore packet from unknown path We can safely assume that struct sockaddr_storage is available, as it is used in the public interface of ngtcp2. Closes #6250
* socks: check for DNS entries with the right port numberDaniel Stenberg2020-11-261-1/+1
| | | | | | | | | | The resolve call is done with the right port number, but the subsequent check used the wrong one, which then could find a previous resolve which would return and leave the fresh resolve "incomplete" and leaking memory. Fixes #6247 Closes #6253
* curl_setup: USE_RESOLVE_ON_IPS is for Apple native resolver useDaniel Stenberg2020-11-261-1/+1
| | | | ... so don't define it when instructed to use c-ares!
* file: avoid duplicated code sequenceEmil Engler2020-11-251-11/+1
| | | | | | | | | file_disconnect() is identical with file_do() except the function header but as the arguments are unused anyway so why not just return file_do() directly! Reviewed-by: Daniel Stenberg Closes #6249
* infof/failf calls: fix format specifiersRikard Falkeborn2020-11-248-15/+15
| | | | | | Update a few format specifiers to match what is being printed. Closes #6241
* docs/INTERNALS: remove reference to Curl_sendf()Daniel Stenberg2020-11-241-2/+0
| | | | | | | | | The function has been removed from common usage. Also removed comment in gopher.c that still referenced it. Reported-by: Rikard Falkeborn Fixes #6242 Closes #6243
* asyn: use 'struct thread_data *' instead of 'void *'Daniel Stenberg2020-11-233-25/+24
| | | | | | | | | | To reduce use of types that can't be checked at compile time. Also removes several typecasts. ... and rename the struct field from 'os_specific' to 'tdata'. Closes #6239 Reviewed-by: Jay Satiro
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