curl-w32/docs/libcurl/opts/CURLOPT_SASL_AUTHZID.md

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---
c: Copyright (C) Daniel Stenberg, <daniel.se>, et al.
SPDX-License-Identifier: curl
Title: CURLOPT_SASL_AUTHZID
Section: 3
Source: libcurl
See-also:
- CURLOPT_PASSWORD (3)
- CURLOPT_USERNAME (3)
- CURLOPT_USERPWD (3)
---
# NAME
CURLOPT_SASL_AUTHZID - authorization identity (identity to act as)
# SYNOPSIS
~~~c
#include <curl/curl.h>
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SASL_AUTHZID, char *authzid);
~~~
# DESCRIPTION
Pass a char pointer as parameter, which should be pointing to the
null-terminated authorization identity (*authzid*) for the transfer. Only
applicable to the PLAIN SASL authentication mechanism where it is optional.
When not specified only the authentication identity (*authcid*) as
specified by the username is sent to the server, along with the password. The
server derives a *authzid* from the *authcid* when not provided, which
it then uses internally.
When the *authzid* is specified, the use of which is server dependent, it
can be used to access another user's inbox, that the user has been granted
access to, or a shared mailbox for example.
# DEFAULT
blank
# PROTOCOLS
IMAP, LDAP, POP3 and SMTP
# EXAMPLE
~~~c
int main(void)
{
CURL *curl = curl_easy_init();
if(curl) {
CURLcode res;
curl_easy_setopt(curl, CURLOPT_URL, "imap://example.com/");
curl_easy_setopt(curl, CURLOPT_USERNAME, "Kurt");
curl_easy_setopt(curl, CURLOPT_PASSWORD, "xipj3plmq");
curl_easy_setopt(curl, CURLOPT_SASL_AUTHZID, "Ursel");
res = curl_easy_perform(curl);
curl_easy_cleanup(curl);
}
}
~~~
# AVAILABILITY
Added in 7.66.0. Support for OpenLDAP added in 7.82.0.
# RETURN VALUE
Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.