diff options
author | lroland <lroland@f5534014-38df-0310-8fa8-9805f1628bb7> | 2005-02-09 23:38:00 +0000 |
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committer | lroland <lroland@f5534014-38df-0310-8fa8-9805f1628bb7> | 2005-02-09 23:38:00 +0000 |
commit | 531e46341f24b015df8d66152972b972d9638760 (patch) | |
tree | 6b8d6526fe00a336c75b9118009deb4c690984ad /reassemble.h | |
parent | d55004c9e7016b17d0e6aba9ad218582c71dc7a6 (diff) |
Move the following files from /trunk to /trunk/epan:
asn1.[ch]
follow.[ch]
ptvcursor.[ch]
reassemble.[ch]
xmlstub.[ch]
fix #include statements accordingly.
git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@13366 f5534014-38df-0310-8fa8-9805f1628bb7
Diffstat (limited to 'reassemble.h')
-rw-r--r-- | reassemble.h | 244 |
1 files changed, 0 insertions, 244 deletions
diff --git a/reassemble.h b/reassemble.h deleted file mode 100644 index 85c66942c9..0000000000 --- a/reassemble.h +++ /dev/null @@ -1,244 +0,0 @@ -/* reassemble.h - * Declarations of outines for {fragment,segment} reassembly - * - * $Id$ - * - * Ethereal - Network traffic analyzer - * By Gerald Combs <gerald@ethereal.com> - * Copyright 1998 Gerald Combs - * - * 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. - */ - -/* make sure that all flags that are set in a fragment entry is also set for - * the flags field of fd_head !!! - */ - -/* only in fd_head: packet is defragmented */ -#define FD_DEFRAGMENTED 0x0001 - -/* there are overlapping fragments */ -#define FD_OVERLAP 0x0002 - -/* overlapping fragments contain different data */ -#define FD_OVERLAPCONFLICT 0x0004 - -/* more than one fragment which indicates end-of data */ -#define FD_MULTIPLETAILS 0x0008 - -/* fragment contains data past the end of the datagram */ -#define FD_TOOLONGFRAGMENT 0x0010 - -/* fragment data not alloced, fd->data pointing to fd_head->data+fd->offset */ -#define FD_NOT_MALLOCED 0x0020 - -/* this flag is used to request fragment_add to continue the reassembly process */ -#define FD_PARTIAL_REASSEMBLY 0x0040 - -/* fragment offset is indicated by sequence number and not byte offset - into the defragmented packet */ -#define FD_BLOCKSEQUENCE 0x0100 - -typedef struct _fragment_data { - struct _fragment_data *next; - guint32 frame; - guint32 offset; - guint32 len; - guint32 datalen; /*Only valid in first item of list */ - guint32 reassembled_in; /* frame where this PDU was reassembled, - only valid in the first item of the list - and when FD_DEFRAGMENTED is set*/ - guint32 flags; - unsigned char *data; -} fragment_data; - -/* - * Initialize a fragment table. - */ -extern void fragment_table_init(GHashTable **fragment_table); -extern void dcerpc_fragment_table_init(GHashTable **fragment_table); - -/* - * Initialize a reassembled-packet table. - */ -extern void reassembled_table_init(GHashTable **reassembled_table); - -/* - * Free up all space allocated for fragment keys and data. - */ -void reassemble_init(void); - -/* - * This function adds a new fragment to the fragment hash table. - * If this is the first fragment seen for this datagram, a new entry - * is created in the hash table, otherwise this fragment is just added - * to the linked list of fragments for this packet. - * The list of fragments for a specific datagram is kept sorted for - * easier handling. - * - * Returns a pointer to the head of the fragment data list if we have all the - * fragments, NULL otherwise. - */ -extern fragment_data *fragment_add(tvbuff_t *tvb, int offset, packet_info *pinfo, - guint32 id, GHashTable *fragment_table, guint32 frag_offset, - guint32 frag_data_len, gboolean more_frags); -extern fragment_data *fragment_add_multiple_ok(tvbuff_t *tvb, int offset, - packet_info *pinfo, guint32 id, GHashTable *fragment_table, - guint32 frag_offset, guint32 frag_data_len, gboolean more_frags); - -extern fragment_data *fragment_add_check(tvbuff_t *tvb, int offset, - packet_info *pinfo, guint32 id, GHashTable *fragment_table, - GHashTable *reassembled_table, guint32 frag_offset, - guint32 frag_data_len, gboolean more_frags); - -/* same as fragment_add() but this one assumes frag_number is a block - sequence number. note that frag_number is 0 for the first fragment. */ -extern fragment_data *fragment_add_seq(tvbuff_t *tvb, int offset, packet_info *pinfo, - guint32 id, GHashTable *fragment_table, guint32 frag_number, - guint32 frag_data_len, gboolean more_frags); - -extern fragment_data * -fragment_add_dcerpc(tvbuff_t *tvb, int offset, packet_info *pinfo, guint32 id, - void *act_id, - GHashTable *fragment_table, guint32 frag_number, - guint32 frag_data_len, gboolean more_frags); - -/* - * These functions add a new fragment to the fragment hash table. - * If this is the first fragment seen for this datagram, a new - * "fragment_data" structure is allocated to refer to the reassembled, - * packet, and: - * - * in "fragment_add_seq_802_11()", if "more_frags" is false, - * the structure is not added to the hash table, and not given - * any fragments to refer to, but is just returned; - * - * otherwise, this fragment is added to the linked list of fragments - * for this packet, and the "fragment_data" structure is put into - * the hash table. - * - * Otherwise, this fragment is just added to the linked list of fragments - * for this packet. - * - * If, after processing this fragment, we have all the fragments, they - * remove that from the fragment hash table if necessary and add it - * to the table of reassembled fragments, and return a pointer to the - * head of the fragment list. - * - * If this is the first fragment we've seen, and "more_frags" is false, - * "fragment_add_seq_802_11()" does nothing to the fragment data list, - * and returns a pointer to the head of that (empty) list. The other - * routines return NULL. - * - * Otherwise, they return NULL. - * - * "fragment_add_seq_check()" and "fragment_add_seq_802_11()" assume - * frag_number is a block sequence number. - * The bsn for the first block is 0. - * - * "fragment_add_seq_next()" is for protocols with no sequence number, - * and assumes fragments always appear in sequence. - */ -extern fragment_data * -fragment_add_seq_check(tvbuff_t *tvb, int offset, packet_info *pinfo, - guint32 id, GHashTable *fragment_table, - GHashTable *reassembled_table, guint32 frag_number, - guint32 frag_data_len, gboolean more_frags); - -extern fragment_data * -fragment_add_seq_802_11(tvbuff_t *tvb, int offset, packet_info *pinfo, - guint32 id, GHashTable *fragment_table, - GHashTable *reassembled_table, guint32 frag_number, - guint32 frag_data_len, gboolean more_frags); - -extern fragment_data * -fragment_add_seq_next(tvbuff_t *tvb, int offset, packet_info *pinfo, guint32 id, - GHashTable *fragment_table, GHashTable *reassembled_table, - guint32 frag_data_len, gboolean more_frags); - -/* to specify how much to reassemble, for fragmentation where last fragment can not be - * identified by flags or such. - * note that for FD_BLOCKSEQUENCE tot_len is the index for the tail fragment. - * i.e. since the block numbers start at 0, if we specify tot_len==2, that - * actually means we want to defragment 3 blocks, block 0, 1 and 2. - * - */ -extern void -fragment_set_tot_len(packet_info *pinfo, guint32 id, GHashTable *fragment_table, - guint32 tot_len); - -/* to resad whatever totlen previously set */ -extern guint32 -fragment_get_tot_len(packet_info *pinfo, guint32 id, GHashTable *fragment_table); - -/* - * This function will set the partial reassembly flag(FD_PARTIAL_REASSEMBLY) for a fh. - * When this function is called, the fh MUST already exist, i.e. - * the fh MUST be created by the initial call to fragment_add() before - * this function is called. Also note that this function MUST be called to indicate - * a fh will be extended (increase the already stored data). After calling this function, - * and if FD_DEFRAGMENTED is set, the reassembly process will be continued. - */ -extern void -fragment_set_partial_reassembly(packet_info *pinfo, guint32 id, GHashTable *fragment_table); - -/* This function is used to check if there is partial or completed reassembly state - * matching this packet. I.e. Are there reassembly going on or not for this packet? - */ -extern fragment_data * -fragment_get(packet_info *pinfo, guint32 id, GHashTable *fragment_table); - -/* This will free up all resources and delete reassembly state for this PDU. - * Except if the PDU is completely reassembled, then it would NOT deallocate the - * buffer holding the reassembled data but instead return the pointer to that - * buffer. - * - * So, if you call fragment_delete and it returns non-NULL, YOU are responsible to - * g_free() that buffer. - */ -extern unsigned char * -fragment_delete(packet_info *pinfo, guint32 id, GHashTable *fragment_table); - -/* hf_fragment, hf_fragment_error, and hf_reassembled_in should be - FT_FRAMENUM, the others should be FT_BOOLEAN -*/ -typedef struct _fragment_items { - gint *ett_fragment; - gint *ett_fragments; - - int *hf_fragments; - int *hf_fragment; - int *hf_fragment_overlap; - int *hf_fragment_overlap_conflict; - int *hf_fragment_multiple_tails; - int *hf_fragment_too_long_fragment; - int *hf_fragment_error; - int *hf_reassembled_in; - - char *tag; -} fragment_items; - -extern tvbuff_t * -process_reassembled_data(tvbuff_t *tvb, int offset, packet_info *pinfo, - char *name, fragment_data *fd_head, const fragment_items *fit, - gboolean *update_col_infop, proto_tree *tree); - -extern gboolean -show_fragment_tree(fragment_data *ipfd_head, const fragment_items *fit, - proto_tree *tree, packet_info *pinfo, tvbuff_t *tvb); - -extern gboolean -show_fragment_seq_tree(fragment_data *ipfd_head, const fragment_items *fit, - proto_tree *tree, packet_info *pinfo, tvbuff_t *tvb); |