static int open_url(AVFormatContext *s, AVIOContext **pb, const char *url, AVDictionary *opts, AVDictionary *opts2, int *is_http) { HLSContext *c = s->priv_data; AVDictionary *tmp = NULL; const char *proto_name = NULL; int ret; av_dict_copy(&tmp, opts, 0); av_dict_copy(&tmp, opts2, 0); if (av_strstart(url, "crypto", NULL)) { if (url[6] == '+' || url[6] == ':') proto_name = avio_find_protocol_name(url + 7); } if (!proto_name) proto_name = avio_find_protocol_name(url); if (!proto_name) return AVERROR_INVALIDDATA; // only http(s) & file are allowed if (av_strstart(proto_name, "file", NULL)) { if (strcmp(c->allowed_extensions, "ALL") && !av_match_ext(url, c->allowed_extensions)) { av_log(s, AV_LOG_ERROR, "Filename extension of \'%s\' is not a common multimedia extension, blocked for security reasons.\n" "If you wish to override this adjust allowed_extensions, you can set it to \'ALL\' to allow all\n", url); return AVERROR_INVALIDDATA; } } else if (av_strstart(proto_name, "http", NULL)) { ; } else return AVERROR_INVALIDDATA; if (!strncmp(proto_name, url, strlen(proto_name)) && url[strlen(proto_name)] == ':') ; else if (av_strstart(url, "crypto", NULL) && !strncmp(proto_name, url + 7, strlen(proto_name)) && url[7 + strlen(proto_name)] == ':') ; else if (strcmp(proto_name, "file") || !strncmp(url, "file,", 5)) return AVERROR_INVALIDDATA; if (c->http_persistent && *pb && av_strstart(proto_name, "http", NULL)) { ret = open_url_keepalive(c->ctx, pb, url); if (ret == AVERROR_EXIT) { return ret; } else if (ret < 0) { if (ret != AVERROR_EOF) av_log(s, AV_LOG_WARNING, "keepalive request failed for '%s', retrying with new connection: %s\n", url, av_err2str(ret)); ret = s->io_open(s, pb, url, AVIO_FLAG_READ, &tmp); } } else { ret = s->io_open(s, pb, url, AVIO_FLAG_READ, &tmp); } if (ret >= 0) { // update cookies on http response with setcookies. char *new_cookies = NULL; if (!(s->flags & AVFMT_FLAG_CUSTOM_IO)) av_opt_get(*pb, "cookies", AV_OPT_SEARCH_CHILDREN, (uint8_t**)&new_cookies); if (new_cookies) { av_free(c->cookies); c->cookies = new_cookies; } av_dict_set(&opts, "cookies", c->cookies, 0); } av_dict_free(&tmp); if (is_http) *is_http = av_strstart(proto_name, "http", NULL); return ret; }