Function ff_http_auth_create_response

libavformat/httpauth.c:288–320

}

char *ff_http_auth_create_response(HTTPAuthState *state, const char *auth,
                                   const char *path, const char *method)
{
    char *authstr = NULL;

    if (!auth || !strchr(auth, ':'))
        return NULL;

    if (state->auth_type == HTTP_AUTH_BASIC) {
        int auth_b64_len = (strlen(auth) + 2) / 3 * 4 + 1;
        int len = auth_b64_len + 30;
        char *ptr;
        authstr = av_malloc(len);
        if (!authstr)
            return NULL;
        snprintf(authstr, len, "Authorization: Basic ");
        ptr = authstr + strlen(authstr);
        av_base64_encode(ptr, auth_b64_len, auth, strlen(auth));
        av_strlcat(ptr, "\r\n", len);
    } else if (state->auth_type == HTTP_AUTH_DIGEST) {
        char *username = av_strdup(auth), *password;

        if (!username)
            return NULL;

        if ((password = strchr(username, ':'))) {
            *password++ = 0;
            authstr = make_digest_auth(state, username, password, path, method);
        }
        av_free(username);
    }
    return authstr;
}