test 1459 "SFTP with corrupted known_hosts" was seen failing in the past. To fix it, the test was automatically disabled when detecting libssh 0.9.3 or older, as in the curl CircleCI job, running on Ubuntu 20.04. This work for a long time, until bumping the CircleCI runner to Ubuntu 22.04 (to have OpenSSL 3), where the test was running again, and failing with the isssue seen in the past. - Test skipped with Ubuntu 20.04 (libssh 0.9.3): https://app.circleci.com/pipelines/github/curl/curl/16445/workflows/7f198763-e0b0-4037-9245-4c4b40ab8726/jobs/155164 - Failure seen with Ubuntu 22.04 (libssh 0.9.6): https://app.circleci.com/pipelines/github/curl/curl/16452/workflows/b817a808-0fd4-40b0-8eb0-d064926efe12/jobs/155206?invite=true#step-107-211709_45 - Failure seen with Ubuntu 24.04 (libssh 0.10.6): https://app.circleci.com/pipelines/github/curl/curl/16455/workflows/86c631f1-3c5f-4438-b398-3df2bdab5d20/jobs/155218 Turns out the issue issue isn't libssh 0.9.3 itself, but a CircleCI-specific default configuration in `/etc/ssh/ssh_config`: ``` # BEGIN ANSIBLE MANAGED BLOCK Host * StrictHostKeyChecking no <------ this particular line HashKnownHosts no SendEnv LANG LC_* # END ANSIBLE MANAGED BLOCK ``` libssh will consult configuration files on hard-coded default system locations and alter its behavior based on settings found in them. This libssh behavior is present in all supported versions: |
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|---|---|---|
| .circleci | ||
| .github | ||
| CMake | ||
| docs | ||
| include | ||
| lib | ||
| LICENSES | ||
| m4 | ||
| packages | ||
| plan9 | ||
| projects | ||
| scripts | ||
| src | ||
| tests | ||
| .dir-locals.el | ||
| .editorconfig | ||
| .git-blame-ignore-revs | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| acinclude.m4 | ||
| appveyor.sh | ||
| appveyor.yml | ||
| buildconf | ||
| CHANGES.md | ||
| CMakeLists.txt | ||
| configure.ac | ||
| COPYING | ||
| curl-config.in | ||
| Dockerfile | ||
| GIT-INFO.md | ||
| libcurl.pc.in | ||
| Makefile.am | ||
| README | ||
| README.md | ||
| RELEASE-NOTES | ||
| renovate.json | ||
| REUSE.toml | ||
| SECURITY.md | ||
curl is a command-line tool for transferring data from or to a server using URLs. It supports these protocols: DICT, FILE, FTP, FTPS, GOPHER, GOPHERS, HTTP, HTTPS, IMAP, IMAPS, LDAP, LDAPS, MQTT, POP3, POP3S, RTMP, RTMPS, RTSP, SCP, SFTP, SMB, SMBS, SMTP, SMTPS, TELNET, TFTP, WS and WSS.
Learn how to use curl by reading the man page or everything curl.
Find out how to install curl by reading the INSTALL document.
libcurl is the library curl is using to do its job. It is readily available to be used by your software. Read the libcurl man page to learn how.
Open Source
curl is Open Source and is distributed under an MIT-like license.
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Source code
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git clone https://github.com/curl/curl.git
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