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.\" generated by cd2nroff 0.1 from CURLOPT_USERNAME.md
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.TH CURLOPT_USERNAME 3 libcurl
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.SH NAME
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CURLOPT_USERNAME \- username to use in authentication
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.SH SYNOPSIS
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.nf
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#include <curl/curl.h>
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CURLcode curl_easy_setopt(CURL *handle, CURLOPT_USERNAME,
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char *username);
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.fi
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.SH DESCRIPTION
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Pass a char pointer as parameter, which should be pointing to the
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null\-terminated username to use for the transfer.
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\fICURLOPT_USERNAME(3)\fP sets the username to be used in protocol
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authentication. You should not use this option together with the (older)
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\fICURLOPT_USERPWD(3)\fP option.
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When using Kerberos V5 authentication with a Windows based server, you should
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include the domain name in order for the server to successfully obtain a
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Kerberos Ticket. If you do not then the initial part of the authentication
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handshake may fail.
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When using NTLM, the username can be specified simply as the username without
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the domain name should the server be part of a single domain and forest.
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To include the domain name use either Down\-Level Logon Name or UPN (User
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Principal Name) formats. For example, \fBEXAMPLE\user\fP and
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\fBuser@example.com\fP 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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To specify the password and login options, along with the username, use the
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\fICURLOPT_PASSWORD(3)\fP and \fICURLOPT_LOGIN_OPTIONS(3)\fP options.
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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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.SH DEFAULT
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blank
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.SH PROTOCOLS
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All
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.SH EXAMPLE
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.nf
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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_USERNAME, "clark");
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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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.fi
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.SH AVAILABILITY
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Added in 7.19.1
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.SH RETURN VALUE
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Returns CURLE_OK if the option is supported, CURLE_UNKNOWN_OPTION if not, or
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CURLE_OUT_OF_MEMORY if there was insufficient heap space.
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.SH SEE ALSO
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.BR CURLOPT_HTTPAUTH (3),
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.BR CURLOPT_PASSWORD (3),
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.BR CURLOPT_PROXYAUTH (3),
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.BR CURLOPT_USERPWD (3)
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