MacOS、ubuntu安装libssh、libssh2_ubuntu安装libssh2

libssh安装

libssh官方下载链接

mkdir build
cd build
cmake -DCMAKE_INSTALL_PREFIX=/opt/libssh/ ..
make -j6
sudo make install
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libssh2安装

libssh2官方下载链接

ubuntu系统安装

./configure --prefix=/opt/libssh2
make -j6
sudo make install
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MacOS系统安装
首先安装openssl
openssl官方下载链接

./config --prefix=/opt/openssl
make -j6
sudo make install
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安装libssh2

./configure --prefix=/opt/libssh2 --with-libssl-prefix=/opt/openssl
make -j6
sudo make install
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cmake_minimum_required(VERSION 3.0)		        	# CMake最低版本要求，低于2.6的构建过程会被终止
set(CMAKE_CXX_STANDARD 14)							#opencv4以上加此句
project(ssh_project)				        		# 定义工程名称
include_directories(/opt/libssh2/include/) 			# 头文件路径
file(GLOB LibSSH_LIBS /opt/libssh2/lib/lib*.dylib)
add_executable(ssh_project src/main.cpp)
target_link_libraries(ssh_project ${LibSSH_LIBS}) 	# 链接库
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main.cpp

#include <stdio.h>
#include <iostream>
#include <libssh2.h>
#include <libssh2_sftp.h>
#include <sys/socket.h>
#include <arpa/inet.h>

int main() 
{
    // 初始化libssh2库
    int rc = libssh2_init(0);
    if (rc != 0) 
    {
        std::cerr << "libssh初始化失败. Error code: " << rc << std::endl;
        return 0;
    }

    // 建立SSH连接
    LIBSSH2_SESSION* session = libssh2_session_init();
    if (!session) {
        std::cerr << "SSH建立连接失败." << std::endl;
        return 1;
    }

    // 设置远程主机的IP地址和端口号
    int sock = socket(AF_INET, SOCK_STREAM, 0);
    if (sock < 0)
    {
        std::cerr << "socket failed" << std::endl;
        return 0;
    }
        
    struct sockaddr_in sin;
    sin.sin_family = AF_INET;
    sin.sin_port = htons(22);
    sin.sin_addr.s_addr = inet_addr("remote_ip");

    rc = connect(sock, (struct sockaddr*)&sin, sizeof(sin));
    if (rc != 0)
    {
        std::cerr << "connect failed" << std::endl;
        return 0;
    }
        
    // 连接远程主机
    rc = libssh2_session_startup(session, sock);
    if (rc != 0) 
    {
        std::cerr << "无法与远程服务器建立SSH连接. Error code: " << rc << std::endl;
        return 1;
    }

    // 进行身份验证（用户名和密码）
    const char* username = "name";
    const char* password = "password";
    rc = libssh2_userauth_password(session, username, password);
    if (rc != 0) 
    {
        std::cerr << "远程服务器验证失败. Error code: " << rc << std::endl;
        return 0;
    }

    // 清理libssh2库
    libssh2_exit();
    
    return 0;
}
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