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curldown is this new file format for libcurl man pages. It is markdown inspired with differences: - Each file has a set of leading headers with meta-data - Supports a small subset of markdown - Uses .md file extensions for editors/IDE/GitHub to treat them nicely - Generates man pages very similar to the previous ones - Generates man pages that still convert nicely to HTML on the website - Detects and highlights mentions of curl symbols automatically (when their man page section is specified) tools: - cd2nroff: converts from curldown to nroff man page - nroff2cd: convert an (old) nroff man page to curldown - cdall: convert many nroff pages to curldown versions - cd2cd: verifies and updates a curldown to latest curldown This setup generates .3 versions of all the curldown versions at build time. CI: Since the documentation is now technically markdown in the eyes of many things, the CI runs many more tests and checks on this documentation, including proselint, link checkers and tests that make sure we capitalize the first letter after a period... Closes #12730
98 lines
2.5 KiB
Markdown
98 lines
2.5 KiB
Markdown
---
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c: Copyright (C) Daniel Stenberg, <daniel.se>, et al.
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SPDX-License-Identifier: curl
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Title: CURLOPT_USERPWD
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Section: 3
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Source: libcurl
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See-also:
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- CURLOPT_PASSWORD (3)
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- CURLOPT_PROXYUSERPWD (3)
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- CURLOPT_USERNAME (3)
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---
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# NAME
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CURLOPT_USERPWD - user name and password to use in authentication
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# SYNOPSIS
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~~~c
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#include <curl/curl.h>
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CURLcode curl_easy_setopt(CURL *handle, CURLOPT_USERPWD, char *userpwd);
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~~~
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# DESCRIPTION
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Pass a char pointer as parameter, pointing to a null-terminated login details
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string for the connection. The format of which is: [user name]:[password].
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When using Kerberos V5 authentication with a Windows based server, you should
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specify the user name part with the domain name in order for the server to
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successfully obtain a Kerberos Ticket. If you do not then the initial part of
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the authentication 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 name should the server be part of a single domain and
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forest.
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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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Some HTTP servers (on Windows) support inclusion of the domain for Basic
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authentication as well.
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When using HTTP and CURLOPT_FOLLOWLOCATION(3), libcurl might perform
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several requests to possibly different hosts. libcurl only sends this user and
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password information to hosts using the initial host name (unless
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CURLOPT_UNRESTRICTED_AUTH(3) is set), so if libcurl follows redirects to
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other hosts, it does not send the user and password to those. This is enforced
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to prevent accidental information leakage.
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Use CURLOPT_HTTPAUTH(3) to specify the authentication method for HTTP
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based connections or CURLOPT_LOGIN_OPTIONS(3) to control IMAP, POP3 and
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SMTP options.
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The user and password strings are not URL decoded, so there is no way to send
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in a user name containing a colon using this option. Use
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CURLOPT_USERNAME(3) for that, or include it in the URL.
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The application does not have to keep the string around after setting this
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option.
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# DEFAULT
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NULL
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# PROTOCOLS
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Most
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# EXAMPLE
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~~~c
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int main(void)
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{
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CURL *curl = curl_easy_init();
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if(curl) {
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CURLcode res;
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curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/foo.bin");
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curl_easy_setopt(curl, CURLOPT_USERPWD, "clark:kent");
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res = curl_easy_perform(curl);
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curl_easy_cleanup(curl);
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}
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}
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~~~
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# AVAILABILITY
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Always
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# RETURN VALUE
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Returns CURLE_OK on success or
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CURLE_OUT_OF_MEMORY if there was insufficient heap space.
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