/* Copyright (C) 2000 - 2003 Christian Kreibich . Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies of the Software and its documentation and acknowledgment shall be given in the documentation and software packages that this Software was used. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include #include #include #include static void ether_shost_okay_cb (guchar *address, int address_len, LND_Packet *packet, void *user_data) { LND_Trace *trace; LND_PacketIterator pit; int nesting; struct ether_header *eh; if (! (trace = libnd_packet_get_trace(packet))) return; nesting = libnd_packet_get_proto_nesting(packet, nd_ether_get(), (guchar*) user_data); if (nesting < 0) return; for (libnd_pit_init(&pit, trace); libnd_pit_get(&pit); libnd_pit_next(&pit)) { eh = (struct ether_header *) libnd_packet_get_data(libnd_pit_get(&pit), nd_ether_get(), nesting); if (!eh) continue; memcpy(eh->ether_shost, address, ETHER_ADDR_LEN); libnd_packet_modified(libnd_pit_get(&pit)); } return; TOUCH(address_len); TOUCH(user_data); } void nd_ether_src_addr_cb(LND_Packet *packet, guchar *header, guchar *data) { struct ether_header *eh; eh = (struct ether_header *) header; nd_dialog_hardware_address(_("Enter MAC dest. address:"), eh->ether_shost, 6, ether_shost_okay_cb, NULL, packet, data); } static void ether_dhost_okay_cb (guchar *address, int address_len, LND_Packet *packet, void *user_data) { LND_Trace *trace; LND_PacketIterator pit; int nesting; struct ether_header *eh; if (! (trace = libnd_packet_get_trace(packet))) return; nesting = libnd_packet_get_proto_nesting(packet, nd_ether_get(), (guchar*) user_data); if (nesting < 0) return; for (libnd_pit_init(&pit, trace); libnd_pit_get(&pit); libnd_pit_next(&pit)) { eh = (struct ether_header *) libnd_packet_get_data(libnd_pit_get(&pit), nd_ether_get(), nesting); if (!eh) continue; memcpy(eh->ether_dhost, address, ETHER_ADDR_LEN); libnd_packet_modified(libnd_pit_get(&pit)); } return; TOUCH(address_len); TOUCH(user_data); } void nd_ether_dest_addr_cb(LND_Packet *packet, guchar *header, guchar *data) { struct ether_header *eh; eh = (struct ether_header *) header; nd_dialog_hardware_address(_("Enter MAC dest. address:"), eh->ether_dhost, 6, ether_dhost_okay_cb, NULL, packet, data); } /* The callback that gets called when the user has clicked one of the predefined Ethernet protocol values: */ void nd_ether_type_value_cb(LND_Packet *packet, guchar *header, int value) { LND_Trace *trace; LND_PacketIterator pit; int nesting; struct ether_header *eh; if (! (trace = libnd_packet_get_trace(packet))) return; nesting = libnd_packet_get_proto_nesting(packet, nd_ether_get(), header); if (nesting < 0) return; for (libnd_pit_init(&pit, trace); libnd_pit_get(&pit); libnd_pit_next(&pit)) { eh = (struct ether_header *) libnd_packet_get_data(libnd_pit_get(&pit), nd_ether_get(), nesting); if (!eh) continue; eh->ether_type = htons((guint16) value); libnd_packet_update(packet, nd_ether_get(), nesting); libnd_packet_modified(libnd_pit_get(&pit)); } return; TOUCH(header); } /* The callback that gets called when the user selected "Custom" from the Ethernet protocol type menu, and then clicked "Okay": */ static void ether_prot_custom_okay_cb(LND_Packet *packet, void *user_data, guint value) { LND_Trace *trace; LND_PacketIterator pit; int nesting; struct ether_header *eh; if (! (trace = libnd_packet_get_trace(packet))) return; nesting = libnd_packet_get_proto_nesting(packet, nd_ether_get(), (guchar*) user_data); if (nesting < 0) return; for (libnd_pit_init(&pit, trace); libnd_pit_get(&pit); libnd_pit_next(&pit)) { eh = (struct ether_header *) libnd_packet_get_data(libnd_pit_get(&pit), nd_ether_get(), nesting); if (!eh) continue; eh->ether_type = htons((guint16) value); libnd_packet_update(packet, nd_ether_get(), nesting); libnd_packet_modified(libnd_pit_get(&pit)); } } /* The callback that gets called when the user selected "Custom" from the Ethernet protocol type menu: */ void nd_ether_type_custom_cb(LND_Packet *packet, guchar *header, int value) { struct ether_header *eh; eh = (struct ether_header *) header; nd_dialog_number(_("Enter protocol number:"), ND_BASE_DEC, ntohs(eh->ether_type), 65535, ether_prot_custom_okay_cb, NULL, packet, header); return; TOUCH(value); } /* The callback that gets called when the user clicks the button for the Ethernet protocol type in the table. Pops up the menu. */ void nd_ether_lengthtype_cb(LND_Packet *packet, guchar *header, guchar *data) { static GtkWidget *menu = NULL; if (!menu) menu = nd_gui_create_menu(ether_menu_type_data); gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 0, 0); return; TOUCH(header); TOUCH(packet); TOUCH(data); }