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.TH CURLOPT_TLSAUTH_USERNAME 3 "19 Jun 2014" libcurl libcurl
.SH NAME
CURLOPT_TLSAUTH_USERNAME \- user name to use for TLS authentication
.SH SYNOPSIS
.nf
#include <curl/curl.h>

CURLcode curl_easy_setopt(CURL *handle, CURLOPT_TLSAUTH_USERNAME, char *user);
.fi
.SH DESCRIPTION
Pass a char * as parameter, which should point to the null-terminated username
to use for the TLS authentication method specified with the
\fICURLOPT_TLSAUTH_TYPE(3)\fP option. Requires that the
\fICURLOPT_TLSAUTH_PASSWORD(3)\fP option also be set.

The application does not have to keep the string around after setting this
option.

This feature relies in TLS SRP which does not work with TLS 1.3.
.SH DEFAULT
NULL
.SH PROTOCOLS
All TLS-based protocols
.SH EXAMPLE
.nf
int main(void)
{
  CURL *curl = curl_easy_init();
  if(curl) {
    CURLcode res;
    curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
    curl_easy_setopt(curl, CURLOPT_TLSAUTH_TYPE, "SRP");
    curl_easy_setopt(curl, CURLOPT_TLSAUTH_USERNAME, "user");
    curl_easy_setopt(curl, CURLOPT_TLSAUTH_PASSWORD, "secret");
    res = curl_easy_perform(curl);
    curl_easy_cleanup(curl);
  }
}
.fi
.SH AVAILABILITY
Added in 7.21.4, with the OpenSSL and GnuTLS backends only
.SH RETURN VALUE
Returns CURLE_OK if the option is supported, CURLE_UNKNOWN_OPTION if not, or
CURLE_OUT_OF_MEMORY if there was insufficient heap space.
.SH "SEE ALSO"
.BR CURLOPT_TLSAUTH_TYPE (3),
.BR CURLOPT_TLSAUTH_PASSWORD (3)