On Wed, Dec 8, 2021 at 10:54 AM Thierry Huchard via curl-library <curl-library@lists.haxx.se> wrote: > > Hello to all ! > I am the maintainer of the sane-escl backend, I have an error on an > https access on a canon XK90 scanner. > If you have an idea of why and how to bypass it, I'm interested! > > curl_handle = curl_easy_init(); > curl_easy_setopt(curl_handle, CURLOPT_URL, > "https://192.168.yyy.xxx:443/eSCL/ScannerCapabilities";); > curl_easy_setopt(curl_handle, CURLOPT_SSL_VERIFYPEER, 0L); > curl_easy_setopt(curl_handle, CURLOPT_SSL_VERIFYHOST, 0L); > curl_easy_setopt(curl_handle, CURLOPT_WRITEFUNCTION, > memory_callback_c); > curl_easy_setopt(curl_handle, CURLOPT_WRITEDATA, (void *)var); > curl_easy_setopt(curl_handle, CURLOPT_HEADERFUNCTION, > header_callback); > curl_easy_setopt(curl_handle, CURLOPT_HEADERDATA, (void *)header); > curl_easy_setopt(curl_handle, CURLOPT_FOLLOWLOCATION, 1L); > curl_easy_setopt(curl_handle, CURLOPT_MAXREDIRS, 3L); > CURLcode res = curl_easy_perform(curl_handle); > if (res != CURLE_OK) { > printf("respond: %s\n", curl_easy_strerror(res)); // respond: > SSL connect error > exit--1); > } > > I don't have access to the device!
Well.. This almost always happen when openssl refuses to talk to the target system because it uses unacceptable ancient ciphersuites or TLS versions. You need a new scanner. :-( -- Unsubscribe: https://lists.haxx.se/listinfo/curl-library Etiquette: https://curl.haxx.se/mail/etiquette.html
