libssh2

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libssh2 1.11.1_DEV
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Deprecation notices:
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- Starting September 2024, the following algos go deprecated and will be
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  disabled in default builds (with an option to enable them):
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  - DSA: `ssh-dss` hostkeys.
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      You can disable it now with `-DLIBSSH2_NO_DSA`.
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      Disabled by default in OpenSSH 7.0 (2015-08-11).
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  - MD5-based MACs and hashes: `hmac-md5`, `hmac-md5-96`,
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    `LIBSSH2_HOSTKEY_HASH_MD5`
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      You can disable it now with `-DLIBSSH2_NO_MD5`.
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      Disabled by default since OpenSSH 7.2 (2016-02-29).
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  - 3DES cipher: `3des-cbc`
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      You can disable it now with `-DLIBSSH2_NO_3DES`.
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      Disabled by default since OpenSSH 7.4 (2016-12-19).
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  - RIPEMD-160 MACs: `hmac-ripemd160`, `hmac-ripemd160@openssh.com`
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      You can disable it now with `-DLIBSSH2_NO_HMAC_RIPEMD`.
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      Removed in OpenSSH 7.6 (2017-10-03).
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  - Blowfish cipher: `blowfish-cbc`
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      You can disable it now with `-DLIBSSH2_NO_BLOWFISH`.
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      Removed in OpenSSH 7.6 (2017-10-03).
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  - RC4 ciphers: `arcfour`, `arcfour128`
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      You can disable it now with `-DLIBSSH2_NO_RC4`.
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      Removed in OpenSSH 7.6 (2017-10-03).
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  - CAST cipher: `cast128-cbc`
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      You can disable it now with `-DLIBSSH2_NO_CAST`.
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      Removed in OpenSSH 7.6 (2017-10-03).
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- Starting April 2025, above options will be deleted from the
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  libssh2 codebase.
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  - Default builds will also disable support for old-style, MD5-based
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    encrypted private keys.
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    You can disable it now with `-DLIBSSH2_NO_MD5_PEM`.
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This release includes the following enhancements and bugfixes:
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- autotools: fix to update `LDFLAGS` for each detected dependency (d19b6190 #1384 #1381 #1377)
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- autotools: delete `--disable-tests` option, fix CI tests (e051ae34 #1271 #715 revert: 7483edfa)
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- autotools: show the default for `hidden-symbols` option (a3f5594a #1269)
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- autotools: enable `-Wunused-macros` with gcc (ecdf5199 #1262 #1227 #1224)
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- autotools: fix dotless gcc and Apple clang version detections (89ccc83c #1232 #1187)
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- autotools: show more clang/gcc version details (fb580161 #1230)
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- autotools: avoid warnings in libtool stub code (96682bd5 #1227 #1224)
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- autotools: sync warning enabler code with curl (5996fefe #1223)
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- autotools: rename variable (ce5f208a #1222)
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- autotools: picky warning options tidy-up (cdca8cff #1221)
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- autotools: fix `cp` to preserve attributes and timestamp in `Makefile.am` (f64e6318)
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- autotools: fix selecting WinCNG in cross-builds (and more) (00a3b88c #1187 #1186)
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- autotools: use comma separator in `Requires.private` of `libssh2.pc` (7f83de14 #1124)
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- autotools: remove `AB_INIT` from `configure.ac` (f4f52ccc)
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- autotools: improve libz position (c89174a7 #1077 #941 #1075 #1013 regr: 4f0f4bff)
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- autotools: skip tests requiring static lib if `--disable-static` (572c57c9 #1072 #663 #1056 regr: 83853f8a)
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- build: silence warnings inside `FD_SET()`/`FD_ISSET()` macros (323a14b2 #1379)
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- build: drop `-Wformat-nonliteral` warning suppressions (c452c5cc #1342)
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- build: enable `-pedantic-errors` (3ec53f3e #1286)
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- build: add mingw-w64 support to `LIBSSH2_PRINTF()` attribute (f8c45794 #1287)
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- build: add `LIBSSH2_NO_DEPRECATED` option (b1414503 #1267 #1266 #1260 #1259)
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- build: enable missing OpenSSF-recommended warnings, with fixes (afa6b865 #1257)
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- build: enable more compiler warnings and fix them (7ecc309c #1224)
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- build: picky warning updates (328a96b3 #1219)
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- build: revert: respect autotools `DLL_EXPORT` in `libssh2.h` (481be044 #1141 #917 revert: fb1195cf)
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- build: stop requiring libssl from openssl (c84745e3 #1128)
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- build: tidy-up `libssh2.pc.in` variable names (5720dd9f #1125)
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- build: add/fix `Requires.private` packages in `libssh2.pc` (ef538069 #1123)
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- checksrc: sync with curl (8cd473c9 #1272)
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- checksrc: fix spelling in comment (a95d401f)
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- checksrc: modernise Perl file open (3d309f9b)
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- checksrc: switch to dot file (d67a91aa #1052)
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- ci: disable dependency tracking in autotools builds (e44f0418 #1396)
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- ci: fix mbedtls runners on macOS (84411539 #1381)
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- ci: enable Unity mode for most CMake builds (1bfae57b #1367 #1034)
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- ci: add shellcheck job and script (d88b9bcd)
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- ci: verify build and install from tarball (a86e27e8 #1362)
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- ci: add reproducibility test for `maketgz` (2d765e45 #1360)
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- ci: use Linux runner for BSDs, add arm64 FreeBSD 14 job (6f86b196 #1343)
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- ci: do not parallelize `distcheck` job (5e65dd87 #1339)
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- ci: add FreeBSD 14 job, fix issues (46333adf #1277)
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- ci: add OmniOS job, fix issues (5e0ec991)
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- ci: show compiler in cross/cygwin job names (c9124088)
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- ci: add OpenBSD (v7.4) job + fix build error in example (0c9a8e35 #1250)
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- ci: add NetBSD (v9.3) job (65c7a7a5)
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- ci: update and speed up FreeBSD job (eee4e805)
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- ci: use absolute path in `CMAKE_INSTALL_PREFIX` (74948816 #1247)
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- ci: boost mbedTLS build speed (236e79a1 #1245)
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- ci: add BoringSSL job (cmake, gcc, amd64) (c9dd3566 #1233)
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- ci: fixup FreeBSD version, bump mbedTLS (fea6664e #1217)
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- ci: add FreeBSD 13.2 job (a7d2a573 #1215)
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- ci: mbedTLS 3.5.0 (5e190442 #1202)
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- ci: update actions, use shallow clones with appveyor (d468a33f #1199)
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- ci: replace `mv` + `chmod` with `install` in `Dockerfile` (5754fed6 #1175)
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- ci: set file mode early in `appveyor_docker.yml` (633db55f)
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- ci: add spellcheck (codespell) (a79218d3)
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- ci: add MSYS builds (autotools and cmake) (d43b8d9b #1162)
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- ci: add Cygwin builds (autotools and cmake) (f1e96e73 #1161)
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- ci: add mingw-w64 UWP build (1215aa5f #1155 #1147)
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- ci: add missing timeout to 'autotools distcheck' step (6265ffdb)
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- ci: add non-static autotools i386 build, ignore GHA updates on AppVeyor (c6e137f7 #1074 #1072)
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- ci: prefer `=` operator in shell snippets (e5c03043 #1073)
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- ci: drop redundant/unused vars, sync var names (ab8e95bc #1059)
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- ci: add i386 Linux build (with mbedTLS) (abdf40c7 #1057 #1053)
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- ci/appveyor: bump to OpenSSL 3.2.1 (53d9c1a6 #1363 #1348)
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- ci/appveyor: re-enable parallel mode (e190e5b2 #1294 #884 #867)
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- ci/appveyor: delete UWP job broken since Visual Studio upgrade (d0a7f1da #1275)
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- ci/appveyor: YAML/PowerShell formatting, shorten variable name (06fd721f #1200)
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- ci/appveyor: move to pure PowerShell (8a081fd9 #1197)
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- ci/GHA: show configure logs on failure and other tidy-ups (dab48398 #1403)
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- ci/GHA: bump parallel jobs to nproc+1 (6f3d3bc8 #1402)
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- ci/GHA: show test logs on failure (b8ffa7a5 #1401)
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- ci/GHA: fix `Dockerfile` failing after Ubuntu package update (839bb84e #1400)
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- ci/GHA: use ubuntu-latest with OmniOS job (50143d58)
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- ci/GHA: shell syntax tidy-up (3b23e039 #1390)
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- ci/GHA: bump NetBSD/OpenBSD, add NetBSD arm64 job (e980af72 #1388)
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- ci/GHA: tidy up wolfSSL autotools config on macOS (5953c1f1 #1383)
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- ci/GHA: shorter mbedTLS autotools workaround (736e3d7d #1382 #1381)
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- ci/GHA: fix gcrypt with autotools/macOS/Homebrew/ARM64 (ae2770de #1377)
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- ci/GHA: fix verbose option for autotools jobs (499b27ae #1376)
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- ci/GHA: dump `config.log` on failure for macOS autotools jobs (4fa69214 #1375)
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- ci/GHA: fix `autoreconf` failure on macOS/Homebrew (0b64b30b #1374)
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- ci/GHA: fixup Homebrew location (for ARM runners) (6128aee0 #1373)
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- ci/GHA: review/fixup auto-cancel settings (b08cfbc9 #1292)
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- ci/GHA: restore curly braces in `if` (36748270 #1145)
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- ci/GHA: simplify `if` strings (cab3db58 #1140)
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- cmake: tidy up function name casing in `CopyRuntimeDependencies.cmake` (03547cb8)
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- cmake: use the imported target of FindOpenSSL module (82b09f9b #1322)
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- cmake: rename picky warnings script (64d6789f #1225)
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- cmake: fix multiple include of libssh2 package (932d6a32 #1216)
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- cmake: show crypto backend in feature summary (20387285 #1211)
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- cmake: simplify showing CMake version (fc00bdd7 #1203)
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- cmake: cleanup mbedTLS version detection more (4c241d5c #1196 #1192)
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- cmake: delete duplicate `include()` (30eef0a6)
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- cmake: improve/fix mbedTLS detection (41594675 #1192 #1191)
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- cmake: tidy-up `foreach()` syntax (4a64ca14 #1180)
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- cmake: verify `libssh2_VERSION` in integration tests (a20572e9)
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- cmake: show cmake versions in ci (87f5769b)
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- cmake: quote more strings (e9c7d3af #1173)
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- cmake: add `ExternalProject` integration test (aeaefaf6 #1171)
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- cmake: add integration tests (8715c3d5 #1170)
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- cmake: (re-)add aliases for `add_subdirectory()` builds (4ff64ae3 #1169)
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- cmake: style tidy-up (3fa5282d #1166)
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- cmake: add `LIB_NAME` variable (5453fc80 #1159)
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- cmake: tidy-up concatenation in `CMAKE_MODULE_PATH` (ae7d5108 #1157)
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- cmake: replace `libssh2` literals with `PROJECT_NAME` variable (72fd2595 #1152)
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- cmake: fix `STREQUAL` check in error branch (42d3bf13 #1151)
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- cmake: cache more config values on Windows (11a03690 #1142)
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- cmake: streamline invocation (f58f77b5 #1138)
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- cmake: merge `set_target_properties()` calls (a9091007 #1132)
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- cmake: (re-)add zlib to `Libs.private` in `libssh2.pc` (64643018 #1131)
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- cmake: use `wolfssl/options.h` for detection, like autotools (c5ec6c49 #1130)
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- cmake: add openssl libs to `Libs.private` in `libssh2.pc` (5cfa59d3 #1127)
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- cmake: bump minimum CMake version to v3.7.0 (9cd18f45 #1126)
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- cmake: CMAKE_SOURCE_DIR -> PROJECT_SOURCE_DIR (0f396aa9 #1121)
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- cmake: tidy-ups (2fc36790 #1122)
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- cmake: re-add `Libssh2:libssh2` for compatibility + lowercase namespace (2da13c13 #1104 #731 #1103)
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- copyright: remove years from copyright headers (187d89bb #1082)
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- docs: update `INSTALL_AUTOTOOLS` (2f0efde3 #1316)
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- docs: replace SHA1 with SHA256 in CMake example (766bde9f)
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- example: restore `sys/time.h` for AIX (24503cb9 #1340 #1335 #1334 #1001 regr: e53aae0e)
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- example: use `libssh2_socket_t` in X11 example (3f60ccb7)
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- example: replace remaining libssh2_scp_recv with libssh2_scp_recv2 in output messages (8d69e63d #1258 follow: 6c84a426)
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- example: fix regression in `ssh2_exec.c` (279a2e57 #1106 #861 #846 #1105 regr: b13936bd)
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- example, tests: call `WSACleanup()` for each `WSAStartup()` (94b6bad3 #1283)
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- example, tests: fix/silence `-Wformat-truncation=2` gcc warnings (744e059f)
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- hostkey: do not advertise ssh-rsa when SHA1 is disabled (82d1b8ff #1093 #1092)
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- kex: always add extension indicators to kex_algorithms (00e2a07e #1327 #1326)
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- libssh2.h: add deprecated function warnings (9839ebe5 #1289 #1260)
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- libssh2.h: add portable `LIBSSH2_SOCKET_CLOSE()` macro (28dbf016 #1278)
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- libssh2.h: use `_WIN32` for Windows detection instead of rolling our own (631e7734 #1238)
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- libssh2.pc: re-add & extend support for static-only libssh2 builds (624abe27 #1119 #1114)
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- libssh2.pc: don't put `@LIBS@` in pc file (1209c16d)
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- mac: add empty hash functions for `mac_method_hmac_aesgcm` to not crash when e.g. setting `LIBSSH2_METHOD_CRYPT_CS` (b2738391 #1321)
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- mac: handle low-level errors (f64885b6 #1297)
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- Makefile.mk: delete Windows-focused raw GNU Make build (43485579 #1204)
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- maketgz: reproducible tarballs/zip, display tarball hashes (d52fe1b4 #1357 #1359)
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- maketgz: `set -eu`, reproducibility, improve zip, add CI test (cba7f975 #1353)
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- man: improve `libssh2_userauth_publickey_from*` manpages (581b72aa #1347 #1308 #652)
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- man: fix double spaces and dash escaping (a3ffc422 #1210)
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- man: add description to `libssh2_session_get_blocking.3` (67e39091 #1185)
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- mbedtls: add workaround + FIXME to build with 3.6.0 (2e4c5ec4 #1349)
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- mbedtls: improve disabling `-Wredundant-decls` (ecec68a2 #1226 #1224)
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- mbedtls: include `version.h` for `MBEDTLS_VERSION_NUMBER` (9d7bc253 #1095 #1094)
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- mbedtls: use more `size_t` to sync up with `crypto.h` (1153ebde #1054 #879 #846 #1053)
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- md5: allow disabling old-style encrypted private keys at build-time (eb9f9de2 #1181)
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- mingw: fix printf mask for 64-bit integers (36c1e1d1 #1091 #876 #846 #1090)
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- misc: flatten `_libssh2_explicit_zero` if tree (74e74288 #1149)
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- NMakefile: delete (c515eed3 #1134 #1129)
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- openssl: fix calculating DSA public key with OpenSSL 3 (8b3c6e9d #1380)
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- openssl: initialize BIGNUMs to NULL in `gen_publickey_from_dsa` for OpenSSL 3 (f1133c75 #1320)
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- openssl: fix cppcheck found NULL dereferences (f2945905 #1304)
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- openssl: delete internal `read_openssh_private_key_from_memory()` (34aff5ff #1306)
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- openssl: use OpenSSL 3 HMAC API, add `no-deprecated` CI job (363dcbf4 #1243 #1235 #1207)
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- openssl: make a function static, add `#ifdef` comments (efee9133 #1246 #248 follow: 03092292)
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- openssl: fix DSA code to use OpenSSL 3 API (82581941 #1244 #1207)
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- openssl: fix `EC_KEY` reference with OpenSSL 3 `no-deprecated` build (487152f4 #1236 #1235 #1207)
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- openssl: use non-deprecated APIs with OpenSSL 3.x (b0ab005f #1207)
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- openssl: silence `-Wunused-value` warnings (bf285500 #1205)
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- openssl: use automatic initialization with LibreSSL 2.7.0+ (d79047c9 #1146 #302)
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- openssl: add missing check for `LIBRESSL_VERSION_NUMBER` before use (4a42f42e #1117 #1115)
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- os400: Add two recent files to the distribution (e4c65e5b #1364)
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- os400: fix shellcheck warnings in scripts (fixups) (81341e1e #1366 #1364 #1358)
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- os400: fix shellcheck warnings in scripts (c6625707 #1358)
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- os400: maintain up to date (8457c37a #1309)
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- packet: properly bounds check packet_authagent_open() (88a960a8 #1179)
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- pem: fix private keys encrypted with AES-GCM methods (e87bdefa #1133)
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- reuse: fix duplicate copyright warning (b9a4ed83)
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- reuse: comply with 3.1 spec and 2.0.0 checker (fe6239a1 #1102 #1101 #1098)
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- reuse: provide SPDX identifiers (f6aa31f4 #1084)
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- scp: fix missing cast for targets without large file support (c317e06f #1060 #1057 #1002 regr: 5db836b2)
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- session: add `libssh2_session_callback_set2()` (c0f69548 #1285)
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- session: handle EINTR from send/recv/poll/select to try again as the error is not fatal (798ed4a7 #1058 #955)
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- src: check the return value from `_libssh2_bn_*()` functions (95c824d5 #1354)
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- src: support RSA-SHA2 cert-based authentication (rsa-sha2-512_cert and rsa-sha2-256_cert) (3a6ab70d #1314)
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- src: check hash update/final success (4718ede4 #1303 #1301)
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- src: check hash init success (2ed9eb92 #1301)
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- src: add 'strict KEX' to fix CVE-2023-48795 "Terrapin Attack" (d34d9258 #1291 #1290)
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- src: disable `-Wsign-conversion` warnings, add option to re-enable (6e451669 #1284 #1257)
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- src: fix gcc 13 `-Wconversion` warning on Darwin (8cca7b77 #1209 follow: 08354e0a)
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- src: drop a redundant `#include` (1f0174d0 #1153)
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- src: improve MSVC C4701 warning fix (8b924999 #1086 #876 #1083)
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- src: bump `hash_len` to `size_t` in `LIBSSH2_HOSTKEY_METHOD` (8b917d76 #1076)
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- src: bump DSA and ECDSA sign `hash_len` to `size_t` (7b8e0225 #1055)
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- tests: drop default cygpath option `-u` (38e50aa0)
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- tests: fix shellcheck issues in `test_sshd.test` (a2ac8c55)
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- tests: sync port number type with the rest of codebase (eb996af8)
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- tests: fall back to `$LOGNAME` for username (5326a5ce #1241 #1240)
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- tests: show cmake version used in integration tests (2cd2f40e #1201)
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- tests: formatting and tidy-ups (e61987a3)
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- tests: replace FIXME with comments (1a99a86a)
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- tests: add aes256-gcm encrypted key test (802336cf #1135 #1133)
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- tests: trap signals in scripts (b2916b28 #1098)
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- tests: cast to avoid `-Wchar-subscripts` with Cygwin (43df6a46 #1081 #1080)
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- test_read: make it run without Docker (57e9d18e #1139)
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- test_sshd.test: show sshd and test connect logs on harness failure (299c2040 #1097)
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- test_sshd.test: set a safe PID directory (e8cabdcf #1089)
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- test_sshd.test: minor cleanups (d29eea1d)
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- tidy-up: fix typo found by codespell (706ec36d)
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- tidy-up: bump casts from int to long for large C99 types in printfs (2e5a8719 #1264 #1257)
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- tidy-up: `unsigned` -> `unsigned int` (b136c379)
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- tidy-up: stop using leading underscores in macro names (c6589b88 #1248)
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- tidy-up: around `stdint.h` (bfa00f1b #1212)
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- tidy-up: fix typo in `readme.vms` (a9a79e7a)
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- tidy-up: use built-in `_WIN32` macro to detect Windows (6fbc9505 #1195)
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- tidy-up: drop `www.` from `www.libssh2.org` (6e3e8839 #1172)
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- tidy-up: delete duplicate word from comment (76307435)
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- tidy-up: avoid exclamations, prefer single quotes, in outputs (003fb454 #1079)
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- TODO: disable or drop weak algos (0b4bdc85 #1261)
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- transport: check ETM on remote end when receiving (bde10825 #1332 #1331)
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- transport: fix incorrect byte offset in debug message (2388a3aa #1096)
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- userauth: avoid oob with huge interactive kbd response (f3a85cad #1337)
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- userauth: add a new structure to separate memory read and file read (63b4c20e #773)
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- userauth: check whether `*key_method` is a NULL pointer instead of `key_method` (bec57c40)
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- wincng: fix `DH_GEX_MAXGROUP` set higher than supported (48584671 #1372 #493)
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- wincng: add to ci/GHA, add `./configure` option `--enable-ecdsa-wincng` (3f98bfb0 #1368 #1315)
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- wincng: add ECDSA support for host and user authentication (3e723437 #1315)
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- wincng: prefer `ULONG`/`DWORD` over `unsigned long` (186c1d63 #1165)
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- wincng: tidy-ups (7bb669b5 #1164)
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- wolfssl: enable debug logging in wolfSSL when compiled in (76e7a68a #1310)
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This release would not have looked like this without help, code, reports and
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advice from friends like these:
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  Viktor Szakats, Michael Buckley, Patrick Monnerat, Ren Mingshuai,
265
  Daniel Stenberg, Josef Cejka, Ryan Kelley, Will Cosgrove, Aaron Stone,
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  András Fekete, Andrei Augustin, binary1248, Brian Inglis,
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  concussious on github, Dan Fandrich, Haowei Hsu, Harmen Stoppels,
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  Harry Mallon, Jack L, Jakob Egger, Jiwoo Park, João M. S. Silva,
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  Joel Depooter, Johannes Passing, Juliusz Sosinowicz, Kai Pastor,
270
  Kenneth Davidson, Lyndon Brown, mike-jumper, naddy, Nicolas Mora,
271
  Nursan Valeyev, Paul Howarth, PewPewPew, Radek Brich, rahmanih on github,
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  shubhamhii on github, Steve McIntyre, Tejaswi Kandula, Tobias Stoeckmann,
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  Xi Ruoyao
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