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| -rw-r--r-- | packet-ascend.c | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/packet-ascend.c b/packet-ascend.c new file mode 100644 index 0000000000..138ed25c84 --- /dev/null +++ b/packet-ascend.c @@ -0,0 +1,87 @@ +/* packet-ascend.c + * Routines for decoding Lucent/Ascend packet traces + * + * $Id: packet-ascend.c,v 1.1 1999/09/11 05:32:33 gerald Exp $ + * + * Ethereal - Network traffic analyzer + * By Gerald Combs <gerald@zing.org> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#ifdef HAVE_SYS_TYPES_H +# include <sys/types.h> +#endif + +#include <glib.h> +#include "packet.h" + +#include "wiretap/ascend.h" + +void +dissect_ascend( const u_char *pd, frame_data *fd, proto_tree *tree ) { + proto_tree *fh_tree; + proto_item *ti; + ascend_pkthdr header; + static const value_string encaps_vals[] = { + {ASCEND_PFX_ETHER, "Ethernet" }, + {ASCEND_PFX_PPP_X, "PPP Transmit"}, + {ASCEND_PFX_PPP_R, "PPP Receive" }, + {0, NULL } }; + + memcpy(&header, pd, ASCEND_PKTHDR_OFFSET); + + /* load the top pane info. This should be overwritten by + the next protocol in the stack */ + if(check_col(fd, COL_RES_DL_SRC)) + col_add_str(fd, COL_RES_DL_SRC, "N/A" ); + if(check_col(fd, COL_RES_DL_DST)) + col_add_str(fd, COL_RES_DL_DST, "N/A" ); + if(check_col(fd, COL_PROTOCOL)) + col_add_str(fd, COL_PROTOCOL, "N/A" ); + if(check_col(fd, COL_INFO)) + col_add_str(fd, COL_INFO, "Lucent/Ascend packet trace" ); + + /* populate a tree in the second pane with the status of the link + layer (ie none) */ + if(tree) { + ti = proto_tree_add_text(tree, 0, 0, "Lucent/Ascend packet trace" ); + fh_tree = proto_item_add_subtree(ti, ETT_RAW); + proto_tree_add_text(fh_tree, 0, 0, "Link type: %s", val_to_str(header.type, + encaps_vals, "Unknown (%d)")); + proto_tree_add_text(fh_tree, 0, 0, "Username: %s", header.user); + proto_tree_add_text(fh_tree, 0, 0, "Session: %d", header.sess); + proto_tree_add_text(fh_tree, 0, 0, "Task: %08X", header.task); + } + + /* The header is metadata, so we copy the packet data to the front */ + /* XXX Maybe we should leave it in, and mark it as metadata, so that + it can be filtered upon? */ + memmove(pd, pd + ASCEND_PKTHDR_OFFSET, fd->cap_len); + switch (header.type) { + case ASCEND_PFX_ETHER: + dissect_eth(pd, 0, fd, tree); + break; + case ASCEND_PFX_PPP_X: + case ASCEND_PFX_PPP_R: + dissect_ppp(pd, fd, tree); + break; + } +} + |