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.\" generated by cd2nroff 0.1 from CURLINFO_CAINFO.md
.TH CURLINFO_CAINFO 3 "2025-06-27" libcurl
.SH NAME
CURLINFO_CAINFO \- get the default built\-in CA certificate path
.SH SYNOPSIS
.nf
#include <curl/curl.h>
CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_CAINFO, char **path);
.fi
.SH DESCRIPTION
Pass a pointer to a char pointer to receive the pointer to a null\-terminated
string holding the default built\-in path used for the \fICURLOPT_CAINFO(3)\fP
option unless set by the user.
Note that in a situation where libcurl has been built to support multiple TLS
libraries, this option might return a string even if the specific TLS library
currently set to be used does not support \fICURLOPT_CAINFO(3)\fP.
This is a path identifying a single file containing CA certificates.
The \fBpath\fP pointer is set to NULL if there is no default path.
.SH PROTOCOLS
This functionality affects all TLS based protocols: HTTPS, FTPS, IMAPS, POP3S, SMTPS etc.
All TLS backends support this option.
.SH EXAMPLE
.nf
int main(void)
{
CURL *curl = curl_easy_init();
if(curl) {
char *cainfo = NULL;
curl_easy_getinfo(curl, CURLINFO_CAINFO, &cainfo);
if(cainfo) {
printf("default ca info path: %s\\n", cainfo);
}
curl_easy_cleanup(curl);
}
}
.fi
.SH AVAILABILITY
Added in curl 7.84.0
.SH RETURN VALUE
\fIcurl_easy_getinfo(3)\fP returns a CURLcode indicating success or error.
CURLE_OK (0) means everything was OK, non\-zero means an error occurred, see
\fIlibcurl\-errors(3)\fP.
.SH SEE ALSO
.BR CURLINFO_CAPATH (3),
.BR curl_easy_getinfo (3),
.BR curl_easy_setopt (3)