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Viktor Szakats afa6b86560 build: enable missing OpenSSF-recommended warnings, with fixes 
Ref:
https://best.openssf.org/Compiler-Hardening-Guides/Compiler-Options-Hardening-Guide-for-C-and-C++.html
(2023-11-29)

Enable new warnings:

- replace `-Wno-sign-conversion` with `-Wsign-conversion`.

  Fix them in example, tests and wincng. There remain about 360 of these
  warnings in `src`. Add a TODO item for those and disable `-Werror` for
  this particular warning.

- enable `-Wformat=2` for clang (in both cmake and autotools).

- enable `__attribute__((format))` for `_libssh2_debug()`,
  `_libssh2_snprintf()` and in tests for `run_command()`.

  `LIBSSH2_PRINTF()` copied from `CURL_TEMP_PRINTF()` in curl.

- enable `-Wimplicit-fallthrough`.

- enable `-Wtrampolines`.

Fix them:

- src: replace obsolete fall-through-comments with
  `__attribute__((fallthrough))`.

- wincng: fix `-Wsign-conversion` warnings.

- tests: fix `-Wsign-conversion` warnings.

- example: fix `-Wsign-conversion` warnings.

- src: fix `-Wformat` issues in trace calls.

  Also, where necessary fix `int` and `unsigned char` casts to
  `unsigned int` and adjust printf format strings. These were not
  causing compiler warnings.

  Cast large types to `long` to avoid dealing with printf masks for
  `size_t` and other C99 types. Existing code often used `int` for this.
  I'll update them to `long` in an upcoming commit.

- tests: fix `-Wformat` warning.

- silence `-Wformat-nonliteral` warnings.

- mbedtls: silence `-Wsign-conversion`/`-Warith-conversion`
  in external header.

Closes #1257
2023-12-03 01:32:20 +00:00
..
.gitignore
build: unify source lists
2023-04-10 09:20:13 +00:00
AUTHORS
add copyright/credits
2023-05-29 17:07:11 +00:00
BINDINGS.md
tidy-up: misc & minor cmake MSVS fix
2023-04-10 23:03:43 +00:00
CMakeLists.txt
cmake: style tidy up
2023-08-15 15:08:30 +00:00
HACKING-CRYPTO
Makefile.mk: delete Windows-focused raw GNU Make build
2023-11-06 21:41:12 +00:00
HACKING.md
tidy-up: misc & minor cmake MSVS fix
2023-04-10 23:03:43 +00:00
INSTALL_AUTOTOOLS
reuse: comply with 3.1 spec and 2.0.0 checker
2023-06-21 17:43:42 +00:00
INSTALL_CMAKE.md
cmake: reflect minimum version in docs [ci skip]
2023-08-15 21:58:56 +00:00
libssh2_agent_connect.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_agent_disconnect.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_agent_free.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_agent_get_identity_path.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_agent_get_identity.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_agent_init.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_agent_list_identities.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_agent_set_identity_path.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_agent_sign.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_agent_userauth.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_banner_set.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_base64_decode.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_channel_close.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_channel_direct_streamlocal_ex.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_channel_direct_tcpip_ex.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_channel_direct_tcpip.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_channel_eof.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_channel_exec.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_channel_flush_ex.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_channel_flush_stderr.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_channel_flush.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_channel_forward_accept.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_channel_forward_cancel.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_channel_forward_listen_ex.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_channel_forward_listen.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_channel_free.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_channel_get_exit_signal.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_channel_get_exit_status.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_channel_handle_extended_data2.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_channel_handle_extended_data.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_channel_ignore_extended_data.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_channel_open_ex.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_channel_open_session.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_channel_process_startup.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_channel_read_ex.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_channel_read_stderr.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_channel_read.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_channel_receive_window_adjust2.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_channel_receive_window_adjust.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_channel_request_auth_agent.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_channel_request_pty_ex.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_channel_request_pty_size_ex.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_channel_request_pty_size.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_channel_request_pty.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_channel_send_eof.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_channel_set_blocking.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_channel_setenv_ex.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_channel_setenv.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_channel_shell.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_channel_signal_ex.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_channel_subsystem.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_channel_wait_closed.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_channel_wait_eof.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_channel_window_read_ex.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_channel_window_read.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_channel_window_write_ex.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_channel_window_write.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_channel_write_ex.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_channel_write_stderr.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_channel_write.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_channel_x11_req_ex.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_channel_x11_req.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_crypto_engine.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_exit.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_free.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_hostkey_hash.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_init.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_keepalive_config.3
tidy-up: unsigned -> unsigned int
2023-12-02 09:53:56 +00:00
libssh2_keepalive_send.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_knownhost_add.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_knownhost_addc.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_knownhost_check.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_knownhost_checkp.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_knownhost_del.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_knownhost_free.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_knownhost_get.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_knownhost_init.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_knownhost_readfile.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_knownhost_readline.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_knownhost_writefile.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_knownhost_writeline.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_poll_channel_read.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_poll.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_publickey_add_ex.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_publickey_add.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_publickey_init.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_publickey_list_fetch.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_publickey_list_free.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_publickey_remove_ex.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_publickey_remove.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_publickey_shutdown.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_scp_recv2.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_scp_recv.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_scp_send64.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_scp_send_ex.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_scp_send.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_session_abstract.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_session_banner_get.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_session_banner_set.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_session_block_directions.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_session_callback_set.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_session_disconnect_ex.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_session_disconnect.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_session_flag.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_session_free.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_session_get_blocking.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_session_get_read_timeout.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_session_get_timeout.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_session_handshake.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_session_hostkey.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_session_init_ex.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_session_init.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_session_last_errno.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_session_last_error.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_session_method_pref.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_session_methods.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_session_set_blocking.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_session_set_last_error.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_session_set_read_timeout.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_session_set_timeout.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_session_startup.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_session_supported_algs.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_sftp_close_handle.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_sftp_close.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_sftp_closedir.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_sftp_fsetstat.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_sftp_fstat_ex.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_sftp_fstat.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_sftp_fstatvfs.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_sftp_fsync.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_sftp_get_channel.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_sftp_init.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_sftp_last_error.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_sftp_lstat.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_sftp_mkdir_ex.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_sftp_mkdir.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_sftp_open_ex_r.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_sftp_open_ex.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_sftp_open_r.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_sftp_open.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_sftp_opendir.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_sftp_read.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_sftp_readdir_ex.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_sftp_readdir.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_sftp_readlink.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_sftp_realpath.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_sftp_rename_ex.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_sftp_rename.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_sftp_rewind.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_sftp_rmdir_ex.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_sftp_rmdir.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_sftp_seek64.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_sftp_seek.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_sftp_setstat.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_sftp_shutdown.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_sftp_stat_ex.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_sftp_stat.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_sftp_statvfs.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_sftp_symlink_ex.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_sftp_symlink.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_sftp_tell64.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_sftp_tell.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_sftp_unlink_ex.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_sftp_unlink.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_sftp_write.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_sign_sk.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_trace_sethandler.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_trace.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_userauth_authenticated.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_userauth_banner.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_userauth_hostbased_fromfile_ex.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_userauth_hostbased_fromfile.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_userauth_keyboard_interactive_ex.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_userauth_keyboard_interactive.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_userauth_list.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_userauth_password_ex.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_userauth_password.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_userauth_publickey_fromfile_ex.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_userauth_publickey_fromfile.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_userauth_publickey_frommemory.3
man: fix double spaces and dash escaping
2023-11-03 19:57:56 +00:00
libssh2_userauth_publickey_sk.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_userauth_publickey.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
libssh2_version.3
provide SPDX identifiers
2023-06-07 08:18:55 +02:00
Makefile.am
Agent forwarding implementation (#752)
2023-04-22 10:54:20 +02:00
SECURITY.md
drop www. from www.libssh2.org
2023-08-18 11:20:58 +00:00
template.3
docs: simplify .TH header & other cleanups [ci skip]
2023-04-26 17:55:51 +00:00
TODO
build: enable missing OpenSSF-recommended warnings, with fixes
2023-12-03 01:32:20 +00:00