Re: Help using libcurl with HTTP proxy on Android device

From: David Castillo via curl-library <curl-library_at_lists.haxx.se>
Date: Wed, 12 Apr 2023 18:12:16 -0700

Okay, I think I have a solution that can work for me :) I used the
https://curl.se/libcurl/c/CURLOPT_SSL_CTX_FUNCTION.html callback and I'm
reading the der file and adding it to the store, similar to the example in
the docs. It's something like this:

static CURLcode sslctx_function(CURL *curl, void *sslctx, void *parm) {
    X509_STORE *store;
    X509 *cert = NULL;
    FILE *derCert = fopen("/data/misc/user/0/cacerts-added/924c6f19.0",
"r");

    // Create cert from file
    cert = d2i_X509_fp(derCert, NULL);
    if(cert == NULL)
        printf("d2i_X509_fp failed...\n");

    /* get a pointer to the X509 certificate store (which may be empty) */
    store = SSL_CTX_get_cert_store((SSL_CTX *)sslctx);

    /* add our certificate to this store */
    if(X509_STORE_add_cert(store, cert) == 0)
        printf("error adding certificate\n");

    /* decrease reference counts */
    X509_free(cert);

    /* all set to go */
    return CURLE_OK;
}

Thanks all for your help!! I'm not sure if the thread needs to be marked as
solved or anything.

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Received on 2023-04-13