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2494b8dd51
- switch all invidual files documenting command line options into .md, as the documentation is now markdown-looking. - made the parser treat 4-space indents as quotes - switch to building the curl.1 manpage using the "mainpage.idx" file, which lists the files to include to generate it, instead of using the previous page-footer/headers. Also, those files are now also .md ones, using the same format. I gave them underscore prefixes to make them sort separately: _NAME.md, _SYNOPSIS.md, _DESCRIPTION.md, _URL.md, _GLOBBING.md, _VARIABLES.md, _OUTPUT.md, _PROTOCOLS.md, _PROGRESS.md, _VERSION.md, _OPTIONS.md, _FILES.md, _ENVIRONMENT.md, _PROXYPREFIX.md, _EXITCODES.md, _BUGS.md, _AUTHORS.md, _WWW.md, _SEEALSO.md - updated test cases accordingly Closes #12751
51 lines
1.8 KiB
Markdown
51 lines
1.8 KiB
Markdown
---
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c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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SPDX-License-Identifier: curl
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Long: user
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Short: u
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Arg: <user:password>
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Help: Server user and password
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Category: important auth
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Added: 4.0
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Multi: single
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See-also:
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- netrc
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- config
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Example:
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- -u user:secret $URL
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---
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# `--user`
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Specify the user name and password to use for server authentication. Overrides
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--netrc and --netrc-optional.
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If you simply specify the user name, curl prompts for a password.
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The user name and passwords are split up on the first colon, which makes it
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impossible to use a colon in the user name with this option. The password can,
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still.
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On systems where it works, curl hides the given option argument from process
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listings. This is not enough to protect credentials from possibly getting seen
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by other users on the same system as they still are visible for a moment
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before cleared. Such sensitive data should be retrieved from a file instead or
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similar and never used in clear text in a command line.
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When using Kerberos V5 with a Windows based server you should include the
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Windows domain name in the user name, in order for the server to successfully
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obtain a Kerberos Ticket. If you do not, then the initial authentication
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handshake may fail.
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When using NTLM, the user name can be specified simply as the user name,
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without the domain, if there is a single domain and forest in your setup
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for example.
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To specify the domain name use either Down-Level Logon Name or UPN (User
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Principal Name) formats. For example, EXAMPLE\user and user@example.com
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respectively.
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If you use a Windows SSPI-enabled curl binary and perform Kerberos V5,
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Negotiate, NTLM or Digest authentication then you can tell curl to select
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the user name and password from your environment by specifying a single colon
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with this option: "-u :".
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