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authorHans Nilsson <[email protected]>2015-04-23 14:04:06 +0200
committerHans Nilsson <[email protected]>2015-04-23 14:36:06 +0200
commit851db53855b5e47e0861da2616fe87b2b81d3cff (patch)
tree9c9bc9efb28f9db632def197a23cba4016317193 /lib
parent8e76d7b749a8c8d01f9567d75b8069ce1d8edefb (diff)
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ssh: Formatting adjustments
Some examples had encountered the space eater.
Diffstat (limited to 'lib')
-rw-r--r--lib/ssh/doc/src/using_ssh.xml109
1 files changed, 55 insertions, 54 deletions
diff --git a/lib/ssh/doc/src/using_ssh.xml b/lib/ssh/doc/src/using_ssh.xml
index 9da839d072..cd7b64ac43 100644
--- a/lib/ssh/doc/src/using_ssh.xml
+++ b/lib/ssh/doc/src/using_ssh.xml
@@ -102,8 +102,8 @@
<code type="erl">
1> ssh:start().
ok
- 2> {ok, Sshd} = ssh:daemon(8989, [{system_dir, "/tmp/ssh_daemon"},
- {user_dir, "/tmp/otptest_user/.ssh"}]).
+ 2> {ok, Sshd} = ssh:daemon(8989, [{system_dir, "/tmp/ssh_daemon"},
+ {user_dir, "/tmp/otptest_user/.ssh"}]).
{ok,&lt;0.54.0>}
3>
</code>
@@ -154,8 +154,8 @@
<note><p>The number of received messages in this example depends on which OS
and which shell that is used on the machine running the <c>ssh</c> daemon.
- See also <seealso marker="ssh_connection#exec-4">ssh_connection:exec/4</seealso>
- </p>.</note>
+ See also <seealso marker="ssh_connection#exec-4">ssh_connection:exec/4</seealso>.
+ </p></note>
<p>Do a one-time execution of a remote command over <c>ssh</c>:</p>
@@ -194,9 +194,10 @@
<code type="erl" >
1> ssh:start().
ok
- 2> ssh:daemon(8989, [{system_dir, "/tmp/ssh_daemon"},
- {user_dir, "/tmp/otptest_user/.ssh"},
- {subsystems, [ssh_sftpd:subsystem_spec([{cwd, "/tmp/sftp/example"}])]}]).
+ 2> ssh:daemon(8989, [{system_dir, "/tmp/ssh_daemon"},
+ {user_dir, "/tmp/otptest_user/.ssh"},
+ {subsystems, [ssh_sftpd:subsystem_spec([{cwd, "/tmp/sftp/example"}])
+ ]}]).
{ok,&lt;0.54.0>}
3>
</code>
@@ -248,50 +249,50 @@
<p>The previous write and read example can be extended with encryption and decryption as follows:</p>
<code type="erlang">
- %% First three parameters depending on which crypto type we select:
- Key = &lt;&lt;"This is a 256 bit key. abcdefghi">>,
- Ivec0 = crypto:rand_bytes(16),
- DataSize = 1024, % DataSize rem 16 = 0 for aes_cbc
-
- %% Initialization of the CryptoState, in this case it is the Ivector.
- InitFun = fun() -> {ok, Ivec0, DataSize} end,
-
- %% How to encrypt:
- EncryptFun =
- fun(PlainBin,Ivec) ->
- EncryptedBin = crypto:block_encrypt(aes_cbc256, Key, Ivec, PlainBin),
- {ok, EncryptedBin, crypto:next_iv(aes_cbc,EncryptedBin)}
- end,
-
- %% What to do with the very last block:
- CloseFun =
- fun(PlainBin, Ivec) ->
- EncryptedBin = crypto:block_encrypt(aes_cbc256, Key, Ivec,
- pad(16,PlainBin) %% Last chunk
- ),
- {ok, EncryptedBin}
- end,
-
- Cw = {InitFun,EncryptFun,CloseFun},
- {ok,HandleWrite} = ssh_sftp:open_tar(ChannelPid, ?tar_file_name, [write,{crypto,Cw}]),
- ok = erl_tar:add(HandleWrite, .... ),
- ok = erl_tar:add(HandleWrite, .... ),
- ...
- ok = erl_tar:add(HandleWrite, .... ),
- ok = erl_tar:close(HandleWrite),
-
- %% And for decryption (in this crypto example we could use the same InitFun
- %% as for encryption):
- DecryptFun =
- fun(EncryptedBin,Ivec) ->
- PlainBin = crypto:block_decrypt(aes_cbc256, Key, Ivec, EncryptedBin),
- {ok, PlainBin, crypto:next_iv(aes_cbc,EncryptedBin)}
- end,
-
- Cr = {InitFun,DecryptFun},
- {ok,HandleRead} = ssh_sftp:open_tar(ChannelPid, ?tar_file_name, [read,{crypto,Cw}]),
- {ok,NameValueList} = erl_tar:extract(HandleRead,[memory]),
- ok = erl_tar:close(HandleRead),
+%% First three parameters depending on which crypto type we select:
+Key = &lt;&lt;"This is a 256 bit key. abcdefghi">>,
+Ivec0 = crypto:rand_bytes(16),
+DataSize = 1024, % DataSize rem 16 = 0 for aes_cbc
+
+%% Initialization of the CryptoState, in this case it is the Ivector.
+InitFun = fun() -> {ok, Ivec0, DataSize} end,
+
+%% How to encrypt:
+EncryptFun =
+ fun(PlainBin,Ivec) ->
+ EncryptedBin = crypto:block_encrypt(aes_cbc256, Key, Ivec, PlainBin),
+ {ok, EncryptedBin, crypto:next_iv(aes_cbc,EncryptedBin)}
+ end,
+
+%% What to do with the very last block:
+CloseFun =
+ fun(PlainBin, Ivec) ->
+ EncryptedBin = crypto:block_encrypt(aes_cbc256, Key, Ivec,
+ pad(16,PlainBin) %% Last chunk
+ ),
+ {ok, EncryptedBin}
+ end,
+
+Cw = {InitFun,EncryptFun,CloseFun},
+{ok,HandleWrite} = ssh_sftp:open_tar(ChannelPid, ?tar_file_name, [write,{crypto,Cw}]),
+ok = erl_tar:add(HandleWrite, .... ),
+ok = erl_tar:add(HandleWrite, .... ),
+...
+ok = erl_tar:add(HandleWrite, .... ),
+ok = erl_tar:close(HandleWrite),
+
+%% And for decryption (in this crypto example we could use the same InitFun
+%% as for encryption):
+DecryptFun =
+ fun(EncryptedBin,Ivec) ->
+ PlainBin = crypto:block_decrypt(aes_cbc256, Key, Ivec, EncryptedBin),
+ {ok, PlainBin, crypto:next_iv(aes_cbc,EncryptedBin)}
+ end,
+
+Cr = {InitFun,DecryptFun},
+{ok,HandleRead} = ssh_sftp:open_tar(ChannelPid, ?tar_file_name, [read,{crypto,Cw}]),
+{ok,NameValueList} = erl_tar:extract(HandleRead,[memory]),
+ok = erl_tar:close(HandleRead),
</code>
</section>
@@ -360,9 +361,9 @@ terminate(_Reason, _State) ->
<code type="erl" >
1> ssh:start().
ok
- 2> ssh:daemon(8989, [{system_dir, "/tmp/ssh_daemon"},
- {user_dir, "/tmp/otptest_user/.ssh"}
- {subsystems, [{"echo_n", {ssh_echo_server, [10]}}]}]).
+ 2> ssh:daemon(8989, [{system_dir, "/tmp/ssh_daemon"},
+ {user_dir, "/tmp/otptest_user/.ssh"}
+ {subsystems, [{"echo_n", {ssh_echo_server, [10]}}]}]).
{ok,&lt;0.54.0>}
3>
</code>