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ec0feae792
Implement picky warnings with clang in autotools. Extend picky gcc warnings, sync them between build tools and compilers and greatly speed up detection in CMake. - autotools: enable clang compiler warnings with `--enable-debug`. - autotools: enable more gcc compiler warnings with `--enable-debug`. - autotools/cmake: sync compiler warning options between gcc and clang. - sync compiler warning options between autotools and cmake. - cmake: reduce option-checks to speed up the detection phase. Bring them down to 3 (from 35). Leaving some checks to keep the CMake logic alive and for an easy way to add new options. clang 3.0 (2011-11-29) and gcc 2.95 (1999-07-31) now required. - autotools logic copied from curl, with these differences: - delete `-Wimplicit-fallthrough=4` due to a false positive. - reduce `-Wformat-truncation=2` to `1` due to a false positive. - simplify MinGW detection for `-Wno-pedantic-ms-format`. - cmake: show enabled picky compiler options (like autotools). - cmake: do compile `tests/simple.c` and `tests/ssh2.c`. - fix new compiler warnings. - `tests/CMakeLists.txt`: fix indentation. Original source of autotools logic: -a8fbdb461c/acinclude.m4-a8fbdb461c/m4/curl-compilers.m4Notice that the autotools implementation considers Apple clang as legacy clang 3.7. CMake detection works more accurately, at the same time more error-prone and difficult to update due to the sparsely documented nature of Apple clang option evolution. Closes #952
109 lines
3.4 KiB
C
109 lines
3.4 KiB
C
#ifndef __LIBSSH2_AGENT_H
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#define __LIBSSH2_AGENT_H
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/*
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* Copyright (c) 2009 by Daiki Ueno
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* Copyright (C) 2010-2014 by Daniel Stenberg
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms,
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* with or without modification, are permitted provided
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* that the following conditions are met:
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*
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* Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the
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* following disclaimer.
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*
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* Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* Neither the name of the copyright holder nor the names
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* of any other contributors may be used to endorse or
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* promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*/
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#include "libssh2_priv.h"
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#include "session.h"
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/* non-blocking mode on agent connection is not yet implemented, but
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for future use. */
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typedef enum {
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agent_NB_state_init = 0,
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agent_NB_state_request_created,
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agent_NB_state_request_length_sent,
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agent_NB_state_request_sent,
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agent_NB_state_response_length_received,
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agent_NB_state_response_received
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} agent_nonblocking_states;
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typedef struct agent_transaction_ctx {
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unsigned char *request;
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size_t request_len;
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unsigned char *response;
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size_t response_len;
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agent_nonblocking_states state;
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size_t send_recv_total;
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} *agent_transaction_ctx_t;
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typedef int (*agent_connect_func)(LIBSSH2_AGENT *agent);
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typedef int (*agent_transact_func)(LIBSSH2_AGENT *agent,
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agent_transaction_ctx_t transctx);
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typedef int (*agent_disconnect_func)(LIBSSH2_AGENT *agent);
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struct agent_publickey {
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struct list_node node;
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/* this is the struct we expose externally */
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struct libssh2_agent_publickey external;
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};
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struct agent_ops {
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const agent_connect_func connect;
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const agent_transact_func transact;
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const agent_disconnect_func disconnect;
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};
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struct _LIBSSH2_AGENT
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{
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LIBSSH2_SESSION *session; /* the session this "belongs to" */
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libssh2_socket_t fd;
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struct agent_ops *ops;
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struct agent_transaction_ctx transctx;
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struct agent_publickey *identity;
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struct list_head head; /* list of public keys */
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char *identity_agent_path; /* Path to a custom identity agent socket */
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#ifdef WIN32
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OVERLAPPED overlapped;
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HANDLE pipe;
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BOOL pending_io;
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#endif
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};
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#ifdef WIN32
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extern struct agent_ops agent_ops_openssh;
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#endif
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#endif /* __LIBSSH2_AGENT_H */
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