CURLOPT_TLSAUTH_TYPE explained
Name
CURLOPT_TLSAUTH_TYPE - TLS authentication methods
Synopsis
#include <curl/curl.h> CURLcode curl_easy_setopt(CURL *handle, CURLOPT_TLSAUTH_TYPE, char *type);
Description
Pass a pointer to a null-terminated string as parameter. The string should be the method of the TLS authentication. Supported method is "SRP".
Using this option multiple times makes the last set string override the previous ones. Set it to NULL to restore to internal default.
The application does not have to keep the string around after setting this option.
TLS-SRP authentication. Secure Remote Password authentication for TLS is defined in RFC 5054 and provides mutual authentication if both sides have a shared secret. To use TLS-SRP, you must also set the CURLOPT_TLSAUTH_USERNAME and CURLOPT_TLSAUTH_PASSWORD options.
TLS SRP does not work with TLS 1.3.
Default
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Protocols
This functionality affects all TLS based protocols: HTTPS, FTPS, IMAPS, POP3S, SMTPS etc.
This option works only with the following TLS backends: GnuTLS and OpenSSL
Example
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); } }
Availability
Added in curl 7.21.4
Return value
Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
See also
CURLOPT_TLSAUTH_PASSWORD(3), CURLOPT_TLSAUTH_USERNAME(3)
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