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ssh: improve key file search

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For private keys, use the first match from: user-specified key file
(if provided), ~/.ssh/id_rsa, ~/.ssh/id_dsa, ./id_rsa, ./id_dsa

Note that the previous code only looked for id_dsa files. id_rsa is
now generally preferred, as it supports larger key sizes.

For public keys, use the user-specified key file, if provided.
Otherwise, try to extract the public key from the private key file.
This means that passing --pubkey is typically no longer required,
and makes the key-handling behavior more like OpenSSH.
This commit is contained in:
Jeremy Lin 2014-09-15 21:16:46 -07:00 • committed by Daniel Stenberg
parent b1c4c39c58
commit fa7d04fed4
3 changed files with 73 additions and 36 deletions
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26
docs/MANUAL
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@ -41,12 +41,19 @@ SIMPLE USAGE
Get a file from an SSH server using SFTP:
curl -u username sftp://shell.example.com/etc/issue
curl -u username sftp://example.com/etc/issue
Get a file from an SSH server using SCP using a private key to authenticate:
Get a file from an SSH server using SCP using a private key
(not password-protected) to authenticate:
curl -u username: --key ~/.ssh/id_dsa --pubkey ~/.ssh/id_dsa.pub \
scp://shell.example.com/~/personal.txt
curl -u username: --key ~/.ssh/id_rsa \
scp://example.com/~/file.txt
Get a file from an SSH server using SCP using a private key
(password-protected) to authenticate:
curl -u username: --key ~/.ssh/id_rsa --pass private_key_password \
scp://example.com/~/file.txt
Get the main page from an IPv6 web server:
@ -91,10 +98,13 @@ USING PASSWORDS
SFTP / SCP
This is similar to FTP, but you can specify a private key to use instead of
a password. Note that the private key may itself be protected by a password
that is unrelated to the login password of the remote system. If you
provide a private key file you must also provide a public key file.
This is similar to FTP, but you can use the --key option to specify a
private key to use instead of a password. Note that the private key may
itself be protected by a password that is unrelated to the login password
of the remote system; this password is specified using the --pass option.
Typically, curl will automatically extract the public key from the private
key file, but in cases where curl does not have the proper library support,
a matching public key file must be specified using the --pubkey option.
HTTP