/* * netsniff-ng - the packet sniffing beast * Copyright 2009, 2010 Daniel Borkmann. * Subject to the GPL, version 2. */ #include #include #include /* for ntohs() */ #include "proto.h" #include "protos.h" #include "lookup.h" #include "pkt_buff.h" struct udphdr { uint16_t source; uint16_t dest; uint16_t len; uint16_t check; } __packed; static void udp(struct pkt_buff *pkt) { struct udphdr *udp = (struct udphdr *) pkt_pull(pkt, sizeof(*udp)); ssize_t len; uint16_t src, dest; const char *src_name, *dest_name; if (udp == NULL) return; len = ntohs(udp->len) - sizeof(*udp); src = ntohs(udp->source); dest = ntohs(udp->dest); src_name = lookup_port_udp(src); dest_name = lookup_port_udp(dest); tprintf(" [ UDP "); tprintf("Port (%u", src); if (src_name) tprintf(" (%s%s%s)", colorize_start(bold), src_name, colorize_end()); tprintf(" => %u", dest); if (dest_name) tprintf(" (%s%s%s)", colorize_start(bold), dest_name, colorize_end()); tprintf("), "); if(len > pkt_len(pkt) || len < 0){ tprintf("Len (%u) %s, ", ntohs(udp->len), colorize_start_full(black, red) "invalid" colorize_end()); } tprintf("Len (%u Bytes, %zd Bytes Data), ", ntohs(udp->len), len); tprintf("CSum (0x%.4x)", ntohs(udp->check)); tprintf(" ]\n"); } static void udp_less(struct pkt_buff *pkt) { struct udphdr *udp = (struct udphdr *) pkt_pull(pkt, sizeof(*udp)); uint16_t src, dest; const char *src_name, *dest_name; if (udp == NULL) return; src = ntohs(udp->source); dest = ntohs(udp->dest); src_name = lookup_port_udp(src); dest_name = lookup_port_udp(dest); tprintf(" UDP %u", src); if(src_name) tprintf("(%s%s%s)", colorize_start(bold), src_name, colorize_end()); tprintf("/%u", dest); if (dest_name) tprintf("(%s%s%s)", colorize_start(bold), dest_name, colorize_end()); } struct protocol udp_ops = { .key = 0x11, .print_full = udp, .print_less = udp_less, }; f6c33a51e6e1fddab75baf0f45d4943cde4'>commitdiff
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authorWillem de Bruijn <willemb@google.com>2017-01-02 17:19:44 -0500
committerPablo Neira Ayuso <pablo@netfilter.org>2017-01-09 17:24:54 +0100
commitb5040f6c33a51e6e1fddab75baf0f45d4943cde4 (patch)
treeefe41007d93a0e2a98b36dee97918628d7a8c434 /net/rfkill/Kconfig
parent244b531bee2bdcfcd35ca2fff9cc7d073b3aa060 (diff)
ebtables: use match, target and data copy_to_user helpers
Convert ebtables to copying entries, matches and targets one by one. The solution is analogous to that of generic xt_(match|target)_to_user helpers, but is applied to different structs. Convert existing helpers ebt_make_XXXname helpers that overwrite fields of an already copy_to_user'd struct with ebt_XXX_to_user helpers that copy all relevant fields of the struct from scratch. Signed-off-by: Willem de Bruijn <willemb@google.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net/rfkill/Kconfig')
Miscellaneous nfsd bugfixes, one for a 4.10 regression, three for older bugs" * tag 'nfsd-4.10-1' of git://linux-nfs.org/~bfields/linux: svcrdma: avoid duplicate dma unmapping during error recovery sunrpc: don't call sleeping functions from the notifier block callbacks svcrpc: don't leak contexts on PROC_DESTROY nfsd: fix supported attributes for acl & labels
Diffstat (limited to 'sound/aoa')