diff options
Diffstat (limited to 'cfile.h')
| -rw-r--r-- | cfile.h | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/cfile.h b/cfile.h new file mode 100644 index 00000000..9c4b7acd --- /dev/null +++ b/cfile.h @@ -0,0 +1,142 @@ +/** @file + * + * capture_file definition & GUI-independent manipulation + * + * Wireshark - Network traffic analyzer + * By Gerald Combs <gerald@wireshark.org> + * Copyright 1998 Gerald Combs + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#ifndef __CFILE_H__ +#define __CFILE_H__ + +#include <epan/epan.h> +#include <epan/column-info.h> +#include <epan/dfilter/dfilter.h> +#include <epan/frame_data.h> +#include <epan/frame_data_sequence.h> +#include <wiretap/wtap.h> + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +/* Current state of file. */ +typedef enum { + FILE_CLOSED, /* No file open */ + FILE_READ_PENDING, /* A file to read, but haven't opened it yet */ + FILE_READ_IN_PROGRESS, /* Reading a file we've opened */ + FILE_READ_ABORTED, /* Read aborted by user */ + FILE_READ_DONE /* Read completed */ +} file_state; + +/* Requested packets rescan action. */ +typedef enum { + RESCAN_NONE = 0, /* No rescan requested */ + RESCAN_SCAN, /* Request rescan without full redissection. */ + RESCAN_REDISSECT /* Request full redissection. */ +} rescan_type; + +/* Character set for text search. */ +typedef enum { + SCS_NARROW_AND_WIDE, + SCS_NARROW, + SCS_WIDE + /* add EBCDIC when it's implemented */ +} search_charset_t; + +typedef enum { + SD_FORWARD, + SD_BACKWARD +} search_direction; + +/* + * Packet provider for programs using a capture file. + */ +struct packet_provider_data { + wtap *wth; /* Wiretap session */ + const frame_data *ref; + frame_data *prev_dis; + frame_data *prev_cap; + frame_data_sequence *frames; /* Sequence of frames, if we're keeping that information */ + GTree *frames_modified_blocks; /* BST with modified blocks for frames (key = frame_data) */ +}; + +typedef struct _capture_file { + epan_t *epan; + file_state state; /* Current state of capture file */ + gchar *filename; /* Name of capture file */ + gchar *source; /* Temp file source, e.g. "Pipe from elsewhere" */ + gboolean is_tempfile; /* Is capture file a temporary file? */ + gboolean unsaved_changes; /* Does the capture file have changes that have not been saved? */ + gboolean stop_flag; /* Stop current processing (loading, searching, etc.) */ + + gint64 f_datalen; /* Size of capture file data (uncompressed) */ + guint16 cd_t; /* File type of capture file */ + unsigned int open_type; /* open_routine index+1 used, if selected, or WTAP_TYPE_AUTO */ + wtap_compression_type compression_type; /* Compression type of the file, or uncompressed */ + int lnk_t; /* File link-layer type; could be WTAP_ENCAP_PER_PACKET */ + GArray *linktypes; /* Array of packet link-layer types */ + guint32 count; /* Total number of frames */ + guint64 packet_comment_count; /* Number of comments in frames (could be >1 per frame... */ + guint32 displayed_count; /* Number of displayed frames */ + guint32 marked_count; /* Number of marked frames */ + guint32 ignored_count; /* Number of ignored frames */ + guint32 ref_time_count; /* Number of time referenced frames */ + gboolean drops_known; /* TRUE if we know how many packets were dropped */ + guint32 drops; /* Dropped packets */ + nstime_t elapsed_time; /* Elapsed time */ + int snap; /* Maximum captured packet length; 0 if unknown */ + dfilter_t *rfcode; /* Compiled read filter program */ + dfilter_t *dfcode; /* Compiled display filter program */ + gchar *dfilter; /* Display filter string */ + gboolean redissecting; /* TRUE if currently redissecting (cf_redissect_packets) */ + gboolean read_lock; /* TRUE if currently processing a file (cf_read) */ + rescan_type redissection_queued; /* Queued redissection type. */ + /* search */ + gchar *sfilter; /* Filter, hex value, or string being searched */ + gboolean hex; /* TRUE if "Hex value" search was last selected */ + gboolean string; /* TRUE if "String" search was last selected */ + gboolean summary_data; /* TRUE if "String" search in "Packet list" (Info column) was last selected */ + gboolean decode_data; /* TRUE if "String" search in "Packet details" was last selected */ + gboolean packet_data; /* TRUE if "String" search in "Packet data" was last selected */ + guint32 search_pos; /* Byte position of last byte found in a hex search */ + guint32 search_len; /* Length of bytes matching the search */ + gboolean case_type; /* TRUE if case-insensitive text search */ + ws_regex_t *regex; /* Set if regular expression search */ + search_charset_t scs_type; /* Character set for text search */ + search_direction dir; /* Direction in which to do searches */ + gboolean search_in_progress; /* TRUE if user just clicked OK in the Find dialog or hit <control>N/B */ + /* packet provider */ + struct packet_provider_data provider; + /* frames */ + guint32 first_displayed; /* Frame number of first frame displayed */ + guint32 last_displayed; /* Frame number of last frame displayed */ + /* Data for currently selected frame */ + column_info cinfo; /* Column formatting information */ + frame_data *current_frame; /* Frame data */ + epan_dissect_t *edt; /* Protocol dissection */ + field_info *finfo_selected; /* Field info */ + wtap_rec rec; /* Record header */ + Buffer buf; /* Record data */ + + gpointer window; /* Top-level window associated with file */ + gulong computed_elapsed; /* Elapsed time to load the file (in msec). */ + + guint32 cum_bytes; +} capture_file; + +extern void cap_file_init(capture_file *cf); + +const char *cap_file_provider_get_interface_name(struct packet_provider_data *prov, guint32 interface_id); +const char *cap_file_provider_get_interface_description(struct packet_provider_data *prov, guint32 interface_id); +wtap_block_t cap_file_provider_get_modified_block(struct packet_provider_data *prov, const frame_data *fd); +void cap_file_provider_set_modified_block(struct packet_provider_data *prov, frame_data *fd, const wtap_block_t new_block); + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#endif /* cfile.h */ |