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52 lines
1.2 KiB
Groff
52 lines
1.2 KiB
Groff
.\" generated by cd2nroff 0.1 from CURLOPT_HSTSWRITEDATA.md
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.TH CURLOPT_HSTSWRITEDATA 3 "2024-07-29" libcurl
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.SH NAME
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CURLOPT_HSTSWRITEDATA \- pointer passed to the HSTS write callback
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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_HSTSWRITEDATA, void *pointer);
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.fi
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.SH DESCRIPTION
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Data \fIpointer\fP to pass to the HSTS write function. If you use the
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\fICURLOPT_HSTSWRITEFUNCTION(3)\fP option, this is the pointer you get as
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input in the fourth argument to the callback.
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This option does not enable HSTS, you need to use \fICURLOPT_HSTS_CTRL(3)\fP to
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do that.
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.SH DEFAULT
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NULL
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.SH PROTOCOLS
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This functionality affects http only
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.SH EXAMPLE
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.nf
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struct MyData {
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void *custom;
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};
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int main(void)
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{
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CURL *curl = curl_easy_init();
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struct MyData this;
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if(curl) {
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curl_easy_setopt(curl, CURLOPT_URL, "http://example.com");
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/* pass pointer that gets passed in to the
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CURLOPT_HSTSWRITEFUNCTION callback */
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curl_easy_setopt(curl, CURLOPT_HSTSWRITEDATA, &this);
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curl_easy_perform(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 7.74.0
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.SH RETURN VALUE
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This returns CURLE_OK.
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.SH SEE ALSO
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.BR CURLOPT_HSTS (3),
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.BR CURLOPT_HSTSREADDATA (3),
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.BR CURLOPT_HSTSREADFUNCTION (3),
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.BR CURLOPT_HSTSWRITEFUNCTION (3)
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