55 lines
1.4 KiB
Groff
55 lines
1.4 KiB
Groff
.\" generated by cd2nroff 0.1 from CURLOPT_SASL_IR.md
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.TH CURLOPT_SASL_IR 3 "2025-07-07" libcurl
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.SH NAME
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CURLOPT_SASL_IR \- send initial response in first packet
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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_SASL_IR, long enable);
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.fi
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.SH DESCRIPTION
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Pass a long. If the value is 1, curl sends the initial response to the server
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in the first authentication packet in order to reduce the number of ping pong
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requests. Only applicable to the following supporting SASL authentication
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mechanisms:
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* Login
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* Plain
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* GSSAPI
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* NTLM
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* OAuth 2.0
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Note: Whilst IMAP supports this option there is no need to explicitly set it,
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as libcurl can determine the feature itself when the server supports the
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SASL\-IR CAPABILITY.
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.SH DEFAULT
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0
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.SH PROTOCOLS
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This functionality affects imap and smtp
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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, "smtp://example.com/");
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curl_easy_setopt(curl, CURLOPT_SASL_IR, 1L);
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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 curl 7.31.0
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.SH RETURN VALUE
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\fIcurl_easy_setopt(3)\fP returns a CURLcode indicating success or error.
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CURLE_OK (0) means everything was OK, non\-zero means an error occurred, see
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\fIlibcurl\-errors(3)\fP.
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.SH SEE ALSO
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.BR CURLOPT_MAIL_AUTH (3),
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.BR CURLOPT_MAIL_FROM (3),
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.BR CURLOPT_SASL_AUTHZID (3)
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