dlinkのNAS DNS-320Lがあり、元のファームウェアを実行しています。楽しいプラグNASがSSH接続を受信できるようにします。このユーザーを使用できますリカルドSSH経由でサーバーにログインします。
[ricardo@crudo:~]$ ssh [email protected]
[email protected]'s password:
Last login: Sat Oct 17 16:23:30 2015 from 192.168.1.112
BusyBox v1.20.2 (2013-11-27 15:54:37 CST) built-in shell (ash)
Enter 'help' for a list of built-in commands.
~ $ uname -a
Linux HipoteNAS 2.6.31.8 #1 Wed Aug 22 16:55:05 CST 2012 armv5tel GNU/Linux
ただし、サーバーからローカルコンピュータにファイルをコピーしようとすると、メッセージが表示されますPermission denied。そう:
[ricardo@crudo:~]$ scp -v ricardo@hipotenusab9:/mnt/HD/HD_a2/ricardo/test .
Executing: program /usr/bin/ssh host hipotenusab9, user ricardo, command scp -v -f /mnt/HD/HD_a2/ricardo/test
OpenSSH_7.1p1, OpenSSL 1.0.2d 9 Jul 2015
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: Connecting to hipotenusab9 [192.168.1.140] port 22.
debug1: Connection established.
debug1: identity file /home/ricardo/.ssh/id_rsa type 1
debug1: key_load_public: No such file or directory
debug1: identity file /home/ricardo/.ssh/id_rsa-cert type -1
debug1: identity file /home/ricardo/.ssh/id_dsa type 2
debug1: key_load_public: No such file or directory
debug1: identity file /home/ricardo/.ssh/id_dsa-cert type -1
debug1: key_load_public: No such file or directory
debug1: identity file /home/ricardo/.ssh/id_ecdsa type -1
debug1: key_load_public: No such file or directory
debug1: identity file /home/ricardo/.ssh/id_ecdsa-cert type -1
debug1: key_load_public: No such file or directory
debug1: identity file /home/ricardo/.ssh/id_ed25519 type -1
debug1: key_load_public: No such file or directory
debug1: identity file /home/ricardo/.ssh/id_ed25519-cert type -1
debug1: Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-2.0-OpenSSH_7.1
debug1: Remote protocol version 2.0, remote software version OpenSSH_5.9
debug1: match: OpenSSH_5.9 pat OpenSSH_5* compat 0x0c000000
debug1: Authenticating to hipotenusab9:22 as 'ricardo'
debug1: SSH2_MSG_KEXINIT sent
debug1: SSH2_MSG_KEXINIT received
debug1: kex: server->client aes128-ctr [email protected] none
debug1: kex: client->server aes128-ctr [email protected] none
debug1: sending SSH2_MSG_KEX_ECDH_INIT
debug1: expecting SSH2_MSG_KEX_ECDH_REPLY
debug1: Server host key: ecdsa-sha2-nistp256 SHA256:2di8KzkN9fsQT1KBqP5f3GrMp5CA+Gctuvl87yFJEag
debug1: Host 'hipotenusab9' is known and matches the ECDSA host key.
debug1: Found key in /home/ricardo/.ssh/known_hosts:32
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug1: SSH2_MSG_NEWKEYS received
debug1: Roaming not allowed by server
debug1: SSH2_MSG_SERVICE_REQUEST sent
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug1: Authentications that can continue: publickey,password,keyboard-interactive
debug1: Next authentication method: publickey
debug1: Offering RSA public key: /home/ricardo/.ssh/id_rsa
debug1: Authentications that can continue: publickey,password,keyboard-interactive
debug1: Skipping ssh-dss key /home/ricardo/.ssh/id_dsa for not in PubkeyAcceptedKeyTypes
debug1: Trying private key: /home/ricardo/.ssh/id_ecdsa
debug1: Trying private key: /home/ricardo/.ssh/id_ed25519
debug1: Next authentication method: keyboard-interactive
debug1: Authentications that can continue: publickey,password,keyboard-interactive
debug1: Next authentication method: password
ricardo@hipotenusab9's password:
debug1: Authentication succeeded (password).
Authenticated to hipotenusab9 ([192.168.1.140]:22).
debug1: channel 0: new [client-session]
debug1: Requesting [email protected]
debug1: Entering interactive session.
debug1: Sending command: scp -v -f /mnt/HD/HD_a2/ricardo/test
debug1: client_input_channel_req: channel 0 rtype exit-status reply 0
debug1: client_input_channel_req: channel 0 rtype [email protected] reply 0
sh: scp: Permission denied
debug1: channel 0: free: client-session, nchannels 1
debug1: fd 0 clearing O_NONBLOCK
debug1: fd 1 clearing O_NONBLOCK
Transferred: sent 2808, received 1808 bytes, in 0.0 seconds
Bytes per second: sent 187813.6, received 120928.4
debug1: Exit status 127
以下のようにディレクトリにアクセスできます。
[ricardo@crudo:~]$ ssh [email protected]
[email protected]'s password:
Last login: Sat Oct 17 16:44:08 2015 from 192.168.1.112
BusyBox v1.20.2 (2013-11-27 15:54:37 CST) built-in shell (ash)
Enter 'help' for a list of built-in commands.
~ $ ls -la /mnt/HD/HD_a2/
drwxrwxrwx 15 root root 4096 Oct 11 21:02 .
drwxrwx--- 3 root root 4096 Jun 8 2014 .!@$mmc
drwxr-xr-x 3 root root 1024 Oct 11 21:04 ..
drwx------ 9 root root 4096 Oct 26 2014 .systemfile
drwxrwx--- 4 root root 4096 Jun 12 2014 Nas_Prog
drwxrwxrwx 5 root root 4096 Jun 22 2014 P2P
drwxr-xr-x 15 root root 4096 Jun 10 2014 ffp
-rw------- 1 root root 30049 Oct 11 21:05 ffp.log
-rwxrwx--- 1 root root 1942 Jun 9 2014 fun_plug
drwx------ 2 root root 16384 Jun 8 2014 lost+found
drwxrwxrwx 219 nobody allaccou 12288 Oct 25 2014 music
drwxrwxrwx 3 nobody allaccou 4096 Aug 23 2014 photo
drwxrwxrwx 19 ricardo media 4096 Oct 11 21:35 ricardo
drwxrwxrwx 52 nobody allaccou 4096 Aug 17 06:56 video
~ $ ls -la /mnt/HD/HD_a2/ricardo/
drwxrwxrwx 19 ricardo media 4096 Oct 11 21:35 .
drwxrwxrwx 15 root root 4096 Oct 11 21:02 ..
drwxrwxrwx 16 ricardo media 4096 Jun 20 2014 Engenharia
drwxrwxrwx 75 ricardo media 4096 Jul 5 2014 Fotos
drwxrwxrwx 7 ricardo media 4096 Oct 7 18:50 Outros
drwxrwxrwx 9 ricardo media 4096 Jun 19 2014 Projetos
drwxrwxrwx 14 ricardo media 4096 Jun 19 2014 SENAI
-rwxrwxrwx 1 ricardo media 0 Oct 11 21:35 test
以下を使用してファイルをコピーできます。根ユーザー。何を期待すべきか知っていますか？
編集されました。
以下は、サーバー側のファイル権限です。
[ricardo@crudo:~]$ ssh ricardo@hipotenusab9
ricardo@hipotenusab9's password:
BusyBox v1.20.2 (2013-11-27 15:54:37 CST) built-in shell (ash)
Enter 'help' for a list of built-in commands.
~ $ scp
-sh: scp: Permission denied
~ $ echo $PATH
/usr/bin:/bin:/usr/sbin:/sbin:/ffp/bin
~ $ ls -la /mnt/HD/HD_a2/ffp/bin/scp
-rwxr-xr-x 1 root root 56200 Dec 29 2011 /mnt/HD/HD_a2/ffp/bin/scp
~ $ ls -la /ffp
lrwxrwxrwx 1 root root 17 Oct 18 22:23 /ffp -> /mnt/HD/HD_a2/ffp
rootユーザーとして：
[ricardo@crudo:~]$ ssh root@hipotenusab9
root@HipoteNAS:~# find / -name scp
/mnt/HD/HD_a2/ffp/bin/scp
root@HipoteNAS:~#
答え1
scp: Permission denied
scpリモート側で実行可能ファイルを呼び出してscp動作します。明らかに、リモートインストールにはいくつかの問題があります。scp存在しますが、ルートでのみ実行できます。実行可能ファイルの権限scp（通常/usr/bin/scpはまたは/usr/local/bin/scp）を確認してください（また、実行可能ファイルとそのローダーに関連付けられているすべてのディレクトリの権限も確認してください。ただし、他のプログラムが実行されている場合は問題ありません）。