X-Git-Url: http://git.samba.org/?a=blobdiff_plain;f=file.h;h=e3b9acff0e8dfa46950db4a64d2a56fcf9afb1e6;hb=ab13375393306c51efcbfdafcb935a1b571b4006;hp=c90b36bbaa10787ea088ab4730aff03bb35e0502;hpb=429b24827b22a3a7038095cdfc8307442f2f1ec3;p=metze%2Fwireshark%2Fwip.git diff --git a/file.h b/file.h index c90b36bbaa..e3b9acff0e 100644 --- a/file.h +++ b/file.h @@ -1,10 +1,10 @@ /* file.h * Definitions for file structures and routines * - * $Id: file.h,v 1.98 2002/09/06 22:45:40 sahlberg Exp $ + * $Id$ * - * Ethereal - Network traffic analyzer - * By Gerald Combs + * Wireshark - Network traffic analyzer + * By Gerald Combs * Copyright 1998 Gerald Combs * * This program is free software; you can redistribute it and/or @@ -25,6 +25,7 @@ #ifndef __FILE_H__ #define __FILE_H__ +#include "packet-range.h" #include "wiretap/wtap.h" #include #include "print.h" @@ -33,60 +34,602 @@ #include "cfile.h" -/* Return values from "read_cap_file()", "continue_tail_cap_file()", - and "finish_tail_cap_file()". */ +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +/** Return values from functions that only can succeed or fail. */ +typedef enum { + CF_OK, /**< operation succeeded */ + CF_ERROR /**< operation got an error (function may provide err with details) */ +} cf_status_t; + +/** Return values from functions that read capture files. */ typedef enum { - READ_SUCCESS, /* read succeeded */ - READ_ERROR, /* read got an error */ - READ_ABORTED /* read aborted by user */ -} read_status_t; - -int open_cap_file(char *, gboolean, capture_file *); -void close_cap_file(capture_file *); -read_status_t read_cap_file(capture_file *, int *); -int start_tail_cap_file(char *, gboolean, capture_file *); -read_status_t continue_tail_cap_file(capture_file *, int, int *); -read_status_t finish_tail_cap_file(capture_file *, int *); -/* size_t read_frame_header(capture_file *); */ -gboolean save_cap_file(char *, capture_file *, gboolean, gboolean, guint); - -int filter_packets(capture_file *cf, gchar *dfilter); -void colorize_packets(capture_file *); -void redissect_packets(capture_file *cf); -int print_packets(capture_file *cf, print_args_t *print_args); -void change_time_formats(capture_file *); -gboolean find_packet(capture_file *cf, dfilter_t *sfcode); + CF_READ_OK, /**< operation succeeded */ + CF_READ_ERROR, /**< operation got an error (function may provide err with details) */ + CF_READ_ABORTED /**< operation aborted by user */ +} cf_read_status_t; +/** Return values from functions that print sets of packets. */ typedef enum { - FOUND_FRAME, /* found the frame */ - NO_SUCH_FRAME, /* no frame with that number */ - FRAME_NOT_DISPLAYED /* frame with that number isn't displayed */ -} goto_result_t; -goto_result_t goto_frame(capture_file *cf, guint fnumber); + CF_PRINT_OK, /**< print operation succeeded */ + CF_PRINT_OPEN_ERROR, /**< print operation failed while opening printer */ + CF_PRINT_WRITE_ERROR /**< print operation failed while writing to the printer */ +} cf_print_status_t; + +typedef enum { + cf_cb_file_closing, + cf_cb_file_closed, + cf_cb_file_read_started, + cf_cb_file_read_finished, + cf_cb_file_reload_started, + cf_cb_file_reload_finished, + cf_cb_packet_selected, + cf_cb_packet_unselected, + cf_cb_field_unselected, + cf_cb_file_save_started, + cf_cb_file_save_finished, + cf_cb_file_save_failed +} cf_cbs; + +typedef void (*cf_callback_t) (gint event, gpointer data, gpointer user_data); + +typedef struct { + const char *string; + size_t string_len; + capture_file *cf; + gboolean frame_matched; + field_info *finfo; +} match_data; + +extern void +cf_callback_add(cf_callback_t func, gpointer user_data); + +extern void +cf_callback_remove(cf_callback_t func); + +/** + * Open a capture file. + * + * @param cf the capture file to be opened + * @param fname the filename to be opened + * @param is_tempfile is this a temporary file? + * @param err error code + * @return one of cf_status_t + */ +cf_status_t cf_open(capture_file *cf, const char *fname, gboolean is_tempfile, int *err); + +/** + * Close a capture file. + * + * @param cf the capture file to be closed + */ +void cf_close(capture_file *cf); + +/** + * Reload a capture file. + * + * @param cf the capture file to be reloaded + */ +void cf_reload(capture_file *cf); + +/** + * Read all packets of a capture file into the internal structures. + * + * @param cf the capture file to be read + * @param from_save reread asked from cf_save_packets + * @return one of cf_read_status_t + */ +cf_read_status_t cf_read(capture_file *cf, gboolean from_save); + +/** + * Read the pseudo-header and raw data for a packet. It will pop + * up an alert box if there's an error. + * + * @param cf the capture file from which to read the packet + * @param fdata the frame_data structure for the packet in question + * @param pseudo_header pointer to a wtap_pseudo_header union into + * which to read the packet's pseudo-header + * @param pd a guin8 array into which to read the packet's raw data + * @return TRUE if the read succeeded, FALSE if there was an error + */ +gboolean cf_read_frame_r(capture_file *cf, frame_data *fdata, + union wtap_pseudo_header *pseudo_header, guint8 *pd); + +/** + * Read the pseudo-header and raw data for a packet into a + * capture_file structure's pseudo_header and pd members. + * It will pop up an alert box if there's an error. + * + * @param cf the capture file from which to read the packet + * @param fdata the frame_data structure for the packet in question + * @return TRUE if the read succeeded, FALSE if there was an error + */ +gboolean cf_read_frame(capture_file *cf, frame_data *fdata); + +/** + * Start reading from the end of a capture file. + * This is used in "Update list of packets in Real-Time". + * + * @param cf the capture file to be read from + * @param fname the filename to be read from + * @param is_tempfile is this a temporary file? + * @param err the error code, if an error had occured + * @return one of cf_status_t + */ +cf_status_t cf_start_tail(capture_file *cf, const char *fname, gboolean is_tempfile, int *err); + +/** + * Read packets from the "end" of a capture file. + * + * @param cf the capture file to be read from + * @param to_read the number of packets to read + * @param err the error code, if an error had occured + * @return one of cf_read_status_t + */ +cf_read_status_t cf_continue_tail(capture_file *cf, volatile int to_read, int *err); + +/** + * Fake reading packets from the "end" of a capture file. + * + * @param cf the capture file to be read from + */ +void cf_fake_continue_tail(capture_file *cf); + +/** + * Finish reading from "end" of a capture file. + * + * @param cf the capture file to be read from + * @param err the error code, if an error had occured + * @return one of cf_read_status_t + */ +cf_read_status_t cf_finish_tail(capture_file *cf, int *err); + +/** + * Determine whether this capture file (or a range of it) can be saved + * (except by copying the raw file data). + * + * @param cf the capture file to check + * @return TRUE if it can be saved, FALSE if it can't + */ +gboolean cf_can_save_as(capture_file *cf); + +/** + * Save all packets in a capture file to a new file, and, if that succeeds, + * make that file the current capture file. If there's already a file with + * that name, do a "safe save", writing to a temporary file in the same + * directory and, if the write succeeds, renaming the new file on top of the + * old file, so that if the write fails, the old file is still intact. + * + * @param cf the capture file to save to + * @param fname the filename to save to + * @param save_format the format of the file to save (libpcap, ...) + * @param compressed whether to gzip compress the file + * @param dont_reopen TRUE if it shouldn't reopen and make that file the + * current capture file + * @return one of cf_status_t + */ +cf_status_t cf_save_packets(capture_file * cf, const char *fname, + guint save_format, gboolean compressed, + gboolean dont_reopen); + +/** + * Export some or all packets from a capture file to a new file. If there's + * already a file with that name, do a "safe save", writing to a temporary + * file in the same directory and, if the write succeeds, renaming the new + * file on top of the old file, so that if the write fails, the old file is + * still intact. + * + * @param cf the capture file to write to + * @param fname the filename to write to + * @param range the range of packets to write + * @param save_format the format of the file to write (libpcap, ...) + * @param compressed whether to gzip compress the file + * @return one of cf_status_t + */ +cf_status_t cf_export_specified_packets(capture_file *cf, const char *fname, + packet_range_t *range, + guint save_format, + gboolean compressed); + +/** + * Get a displayable name of the capture file. + * + * @param cf the capture file + * @return the displayable name (must be g_free'd) + */ +gchar *cf_get_display_name(capture_file *cf); + +/** + * Set the source of the capture data for temporary files, e.g. + * "Interface eth0" or "Pipe from Pong" + * + * @param cf the capture file + * @param source the source description. this will be copied internally. + */ +void cf_set_tempfile_source(capture_file *cf, gchar *source); + +/** + * Get the source of the capture data for temporary files. Guaranteed to + * return a non-null value. The returned value should not be freed. + * + * @param cf the capture file + */ +const gchar *cf_get_tempfile_source(capture_file *cf); + +/** + * Get the number of packets in the capture file. + * + * @param cf the capture file + * @return the number of packets in the capture file + */ +int cf_get_packet_count(capture_file *cf); + +/** + * Set the number of packets in the capture file. + * + * @param cf the capture file + * @param packet_count the number of packets in the capture file + */ +void cf_set_packet_count(capture_file *cf, int packet_count); + +/** + * Is this capture file a temporary file? + * + * @param cf the capture file + * @return TRUE if it's a temporary file, FALSE otherwise + */ +gboolean cf_is_tempfile(capture_file *cf); + +/** + * Set flag, that this file is a tempfile. + */ +void cf_set_tempfile(capture_file *cf, gboolean is_tempfile); + +/** + * Set flag, if the number of packet drops while capturing are known or not. + * + * @param cf the capture file + * @param drops_known TRUE if the number of packet drops are known, FALSE otherwise + */ +void cf_set_drops_known(capture_file *cf, gboolean drops_known); + +/** + * Set the number of packet drops while capturing. + * + * @param cf the capture file + * @param drops the number of packet drops occured while capturing + */ +void cf_set_drops(capture_file *cf, guint32 drops); + +/** + * Get flag state, if the number of packet drops while capturing are known or not. + * + * @param cf the capture file + * @return TRUE if the number of packet drops are known, FALSE otherwise + */ +gboolean cf_get_drops_known(capture_file *cf); + +/** + * Get the number of packet drops while capturing. + * + * @param cf the capture file + * @return the number of packet drops occured while capturing + */ +guint32 cf_get_drops(capture_file *cf); + +/** + * Set the read filter. + * @todo this shouldn't be required, remove it somehow + * + * @param cf the capture file + * @param rfcode the readfilter + */ +void cf_set_rfcode(capture_file *cf, dfilter_t *rfcode); + +/** + * "Display Filter" packets in the capture file. + * + * @param cf the capture file + * @param dfilter the display filter + * @param force TRUE if do in any case, FALSE only if dfilter changed + * @return one of cf_status_t + */ +cf_status_t cf_filter_packets(capture_file *cf, gchar *dfilter, gboolean force); + +/** + * At least one "Refence Time" flag has changed, rescan all packets. + * + * @param cf the capture file + */ +void cf_reftime_packets(capture_file *cf); + +/** + * Return the time it took to load the file + */ +gulong cf_get_computed_elapsed(void); + +/** + * "Something" has changed, rescan all packets. + * + * @param cf the capture file + */ +void cf_redissect_packets(capture_file *cf); + +/** + * Rescan all packets and just run taps - don't reconstruct the display. + * + * @param cf the capture file + * @return one of cf_read_status_t + */ +cf_read_status_t cf_retap_packets(capture_file *cf); + +/** + * Adjust timestamp precision if auto is selected. + * + * @param cf the capture file + */ +void cf_timestamp_auto_precision(capture_file *cf); + +/** + * Print the capture file. + * + * @param cf the capture file + * @param print_args the arguments what and how to print + * @return one of cf_print_status_t + */ +cf_print_status_t cf_print_packets(capture_file *cf, print_args_t *print_args); + +/** + * Print (export) the capture file into PDML format. + * + * @param cf the capture file + * @param print_args the arguments what and how to export + * @return one of cf_print_status_t + */ +cf_print_status_t cf_write_pdml_packets(capture_file *cf, print_args_t *print_args); + +/** + * Print (export) the capture file into PSML format. + * + * @param cf the capture file + * @param print_args the arguments what and how to export + * @return one of cf_print_status_t + */ +cf_print_status_t cf_write_psml_packets(capture_file *cf, print_args_t *print_args); + +/** + * Print (export) the capture file into CSV format. + * + * @param cf the capture file + * @param print_args the arguments what and how to export + * @return one of cf_print_status_t + */ +cf_print_status_t cf_write_csv_packets(capture_file *cf, print_args_t *print_args); + +/** + * Print (export) the capture file into C Arrays format. + * + * @param cf the capture file + * @param print_args the arguments what and how to export + * @return one of cf_print_status_t + */ +cf_print_status_t cf_write_carrays_packets(capture_file *cf, print_args_t *print_args); + +/** + * Find packet with a protocol tree item that contains a specified text string. + * + * @param cf the capture file + * @param string the string to find + * @param dir direction in which to search + * @return TRUE if a packet was found, FALSE otherwise + */ +gboolean cf_find_packet_protocol_tree(capture_file *cf, const char *string, + search_direction dir); + +/** + * Find field with a label that contains text string cfile->sfilter. + * + * @param cf the capture file + * @param tree the protocol tree + * @param mdata the first field (mdata->finfo) that matched the string + * @return TRUE if a packet was found, FALSE otherwise + */ +extern gboolean cf_find_string_protocol_tree(capture_file *cf, proto_tree *tree, + match_data *mdata); + +/** + * Find packet whose summary line contains a specified text string. + * + * @param cf the capture file + * @param string the string to find + * @param dir direction in which to search + * @return TRUE if a packet was found, FALSE otherwise + */ +gboolean cf_find_packet_summary_line(capture_file *cf, const char *string, + search_direction dir); + +/** + * Find packet whose data contains a specified byte string. + * + * @param cf the capture file + * @param string the string to find + * @param string_size the size of the string to find + * @param dir direction in which to search + * @return TRUE if a packet was found, FALSE otherwise + */ +gboolean cf_find_packet_data(capture_file *cf, const guint8 *string, + size_t string_size, search_direction dir); + +/** + * Find packet that matches a compiled display filter. + * + * @param cf the capture file + * @param sfcode the display filter to match + * @param dir direction in which to search + * @return TRUE if a packet was found, FALSE otherwise + */ +gboolean cf_find_packet_dfilter(capture_file *cf, dfilter_t *sfcode, + search_direction dir); + +/** + * Find packet that matches a display filter given as a text string. + * + * @param cf the capture file + * @param filter the display filter to match + * @param dir direction in which to search + * @return TRUE if a packet was found, FALSE otherwise + */ +gboolean +cf_find_packet_dfilter_string(capture_file *cf, const char *filter, + search_direction dir); + +/** + * Find marked packet. + * + * @param cf the capture file + * @param dir direction in which to search + * @return TRUE if a packet was found, FALSE otherwise + */ +gboolean cf_find_packet_marked(capture_file *cf, search_direction dir); + +/** + * Find time-reference packet. + * + * @param cf the capture file + * @param dir direction in which to search + * @return TRUE if a packet was found, FALSE otherwise + */ +gboolean cf_find_packet_time_reference(capture_file *cf, search_direction dir); + +/** + * GoTo Packet in first row. + * + * @return TRUE if the first row exists, FALSE otherwise + */ +gboolean cf_goto_top_frame(void); + +/** + * GoTo Packet in last row. + * + * @return TRUE if last row exists, FALSE otherwise + */ +gboolean cf_goto_bottom_frame(void); + +/** + * GoTo Packet with the given row. + * + * @param cf the capture file + * @param row the row to go to + * @return TRUE if this row exists, FALSE otherwise + */ +gboolean cf_goto_frame(capture_file *cf, guint row); + +/** + * Go to frame specified by currently selected protocol tree field. + * (Go To Corresponding Packet) + * @todo this is ugly and should be improved! + * + * @param cf the capture file + * @return TRUE if this packet exists, FALSE otherwise + */ +gboolean cf_goto_framenum(capture_file *cf); + +/** + * Select the packet in the given row. + * + * @param cf the capture file + * @param row the row to select + */ +void cf_select_packet(capture_file *cf, int row); -void select_packet(capture_file *, int); -void unselect_packet(capture_file *); +/** + * Unselect all packets, if any. + * + * @param cf the capture file + */ +void cf_unselect_packet(capture_file *cf); -void unselect_field(void); +/** + * Unselect all protocol tree fields, if any. + * + * @param cf the capture file + */ +void cf_unselect_field(capture_file *cf); -/* +/** * Mark a particular frame in a particular capture. + * + * @param cf the capture file + * @param frame the frame to be marked */ -void mark_frame(capture_file *, frame_data *); +void cf_mark_frame(capture_file *cf, frame_data *frame); -/* +/** * Unmark a particular frame in a particular capture. + * + * @param cf the capture file + * @param frame the frame to be unmarked + */ +void cf_unmark_frame(capture_file *cf, frame_data *frame); + +/** + * Ignore a particular frame in a particular capture. + * + * @param cf the capture file + * @param frame the frame to be ignored + */ +void cf_ignore_frame(capture_file *cf, frame_data *frame); + +/** + * Unignore a particular frame in a particular capture. + * + * @param cf the capture file + * @param frame the frame to be unignored + */ +void cf_unignore_frame(capture_file *cf, frame_data *frame); + +/** + * Merge two (or more) capture files into one. + * @todo is this the right place for this function? It doesn't have to do a lot with capture_file. + * + * @param out_filename pointer to output filename; if output filename is + * NULL, a temporary file name is generated and *out_filename is set + * to point to the generated file name + * @param in_file_count the number of input files to merge + * @param in_filenames array of input filenames + * @param file_type the output filetype + * @param do_append FALSE to merge chronologically, TRUE simply append + * @return one of cf_status_t + */ +cf_status_t +cf_merge_files(char **out_filename, int in_file_count, + char *const *in_filenames, int file_type, gboolean do_append); + + +/** + * Get the comment on a capture from the SHB data block + * + * @param cf the capture file + */ +const gchar* cf_read_shb_comment(capture_file *cf); + +/** + * Update(replace) the comment on a capture from the SHB data block + * + * @param cf the capture file + * @param comment the string replacing the old comment */ -void unmark_frame(capture_file *, frame_data *); +void cf_update_capture_comment(capture_file *cf, gchar *comment); -/* Moves or copies a file. Returns 0 on failure, 1 on success */ -int file_mv(char *from, char *to); -/* Copies a file. Returns 0 on failure, 1 on success */ -int file_cp(char *from, char *to); +#if defined(HAVE_HEIMDAL_KERBEROS) || defined(HAVE_MIT_KERBEROS) +void read_keytab_file(const char *); +#endif -char *file_open_error_message(int, gboolean, int); -char *file_read_error_message(int); -char *file_write_error_message(int); +#ifdef __cplusplus +} +#endif /* __cplusplus */ #endif /* file.h */