On Wednesday 2010-05-26 14:39, Pablo Neira Ayuso wrote:
>This patch adds a new function to output the packet in XML format.
>+int nfq_snprintf_xml(char *buf, int len, struct nfq_data *tb, int flags)
>+{
>+ struct nfqnl_msg_packet_hdr *ph;
>+ struct nfqnl_msg_packet_hw *hwph;
>+ u_int32_t mark, ifi;
>+ int size, offset = 0, ret;
>+ char *data;
>+
>+ size = snprintf(buf + offset, len, "<pkt>");
>+ SNPRINTF_FAILURE(size, len, offset);
>+
>+ ph = nfq_get_msg_packet_hdr(tb);
>+ if (ph) {
>+ size = snprintf(buf + offset, len,
>+ "<hook>%u</hook><id>%u</id>",
>+ ph->hook, ntohl(ph->packet_id));
>+ SNPRINTF_FAILURE(size, len, offset);
Couldn't libxml be used to generate the XML?
>+ ret = nfq_get_payload(tb, &data);
>+ if (ret >= 0 && (flags & NFQ_XML_PAYLOAD)) {
>+ int i;
>+
>+ size = snprintf(buf + offset, len, "<payload>");
>+ SNPRINTF_FAILURE(size, len, offset);
>+
>+ for (i=0; i<ret; i++) {
>+ size = snprintf(buf + offset, len, "x%02x",
What's the leading x for? It seems to add no value.
>+ data[i] & 0xff);
>+ SNPRINTF_FAILURE(size, len, offset);
>+ }
>+
>+ size = snprintf(buf + offset, len, "</payload>");
>+ SNPRINTF_FAILURE(size, len, offset);
>+ }
>+
>+ size = snprintf(buf + offset, len, "</pkt>");
>+ SNPRINTF_FAILURE(size, len, offset);
>+
>+ return size;
>+}
>+
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