/* file.c
* File I/O routines
*
- * $Id: file.c,v 1.366 2004/02/22 22:33:59 guy Exp $
+ * $Id: file.c,v 1.389 2004/07/08 11:07:29 guy Exp $
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@ethereal.com>
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
+/* With MSVC and a libethereal.dll this file needs to import some variables
+ in a special way. Therefore _NEED_VAR_IMPORT_ is defined. */
+#define _NEED_VAR_IMPORT_
+
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "tap_dfilter_dlg.h"
#include "packet-data.h"
+/* Win32 needs the O_BINARY flag for open() */
+#ifndef O_BINARY
+#define O_BINARY 0
+#endif
+
#ifdef HAVE_LIBPCAP
gboolean auto_scroll_live;
#endif
XXX - is this the right number? */
#define FRAME_DATA_CHUNK_SIZE 1024
-typedef struct {
- int level;
- FILE *fh;
- GSList *src_list;
- gboolean print_all_levels;
- gboolean print_hex_for_data;
- char_enc encoding;
- gint format; /* text or PostScript */
-} print_data;
int
cf_open(char *fname, gboolean is_tempfile, capture_file *cf)
set_menus_for_capture_in_progress(FALSE);
set_menus_for_selected_tree_row(cf);
+ reset_tap_listeners();
+
/* We have no file open. */
cf->state = FILE_CLOSED;
}
bump that value by this amount. */
progbar_quantum = cf->f_len/N_PROGBAR_UPDATES;
-#ifndef O_BINARY
-#define O_BINARY 0
-#endif
-
packet_list_freeze();
stop_flag = FALSE;
switch (err) {
case WTAP_ERR_UNSUPPORTED_ENCAP:
- errmsg = "The capture file is for a network type that Ethereal doesn't support.";
+ snprintf(errmsg_errno, sizeof(errmsg_errno),
+ "The capture file has a packet with a network type that Ethereal doesn't support.\n(%s)",
+ err_info);
+ errmsg = errmsg_errno;
break;
case WTAP_ERR_CANT_READ:
cf_start_tail(char *fname, gboolean is_tempfile, capture_file *cf)
{
int err;
+ gchar *capture_msg;
err = cf_open(fname, is_tempfile, cf);
if (err == 0) {
packets (yes, I know, we don't have any *yet*). */
set_menus_for_captured_packets(TRUE);
- statusbar_push_file_msg(" <live capture in progress>");
+ capture_msg = g_strdup_printf(" %s: <live capture in progress>", cf->iface);
+
+ statusbar_push_file_msg(capture_msg);
+
+ g_free(capture_msg);
}
return err;
}
}
}
-int
-filter_packets(capture_file *cf, gchar *dftext)
+gboolean
+filter_packets(capture_file *cf, gchar *dftext, gboolean force)
{
dfilter_t *dfcode;
char *filter_new = dftext ? dftext : "";
char *filter_old = cf->dfilter ? cf->dfilter : "";
-
- /* if new filter equals old one, do nothing */
- if (strcmp(filter_new, filter_old) == 0) {
- return 1;
+ /* if new filter equals old one, do nothing unless told to do so */
+ if (!force && strcmp(filter_new, filter_old) == 0) {
+ return TRUE;
}
if (dftext == NULL) {
dftext = g_strdup(dftext);
if (!dfilter_compile(dftext, &dfcode)) {
/* The attempt failed; report an error. */
+ gchar *safe_dftext = simple_dialog_format_message(dftext);
+ gchar *safe_dfilter_error_msg = simple_dialog_format_message(
+ dfilter_error_msg);
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
"%s%s%s\n"
"\n"
- "The display filter \"%s\" is not a valid display filter.\n"
+ "The following display filter is not a valid display filter:\n%s\n"
"See the help for a description of the display filter syntax.",
- simple_dialog_primary_start(), dfilter_error_msg,
- simple_dialog_primary_end(), dftext);
+ simple_dialog_primary_start(), safe_dfilter_error_msg,
+ simple_dialog_primary_end(), safe_dftext);
+ g_free(safe_dfilter_error_msg);
+ g_free(safe_dftext);
g_free(dftext);
- return 0;
+ return FALSE;
}
/* Was it empty? */
} else {
rescan_packets(cf, "Filtering", dftext, TRUE, FALSE);
}
- return 1;
+ return TRUE;
}
void
ret = PSP_FAILED;
break;
}
+ /* Process the packet */
if (!callback(cf, fdata, &pseudo_header, pd, callback_args)) {
/* Callback failed. We assume it reported the error appropriately. */
ret = PSP_FAILED;
typedef struct {
print_args_t *print_args;
FILE *print_fh;
+ gboolean print_header_line;
+ char *header_line_buf;
+ int header_line_buf_len;
+ gboolean print_formfeed;
gboolean print_separator;
char *line_buf;
int line_buf_len;
int line_len;
int column_len;
int cp_off;
+ gboolean proto_tree_needed;
+
+ /* Create the protocol tree, and make it visible, if we're printing
+ the dissection or the hex data.
+ XXX - do we need it if we're just printing the hex data? */
+ proto_tree_needed =
+ args->print_args->print_dissections != print_dissections_none || args->print_args->print_hex;
+ edt = epan_dissect_new(proto_tree_needed, proto_tree_needed);
+ /* Fill in the column information if we're printing the summary
+ information. */
if (args->print_args->print_summary) {
- /* Fill in the column information, but don't bother creating
- the logical protocol tree. */
- edt = epan_dissect_new(FALSE, FALSE);
epan_dissect_run(edt, pseudo_header, pd, fdata, &cf->cinfo);
epan_dissect_fill_in_columns(edt);
+ } else
+ epan_dissect_run(edt, pseudo_header, pd, fdata, NULL);
+
+ if (args->print_formfeed) {
+ print_formfeed(args->print_fh, args->print_args->format);
+ } else {
+ if (args->print_separator)
+ print_line(args->print_fh, 0, args->print_args->format, "");
+ }
+
+ if (args->print_args->print_summary) {
+ if (args->print_header_line) {
+ print_line(args->print_fh, 0, args->print_args->format,
+ args->header_line_buf);
+ args->print_header_line = FALSE; /* we might not need to print any more */
+ }
cp = &args->line_buf[0];
line_len = 0;
for (i = 0; i < cf->cinfo.num_cols; i++) {
*cp++ = ' ';
}
*cp = '\0';
+
+ print_packet_header(args->print_fh, args->print_args->format, fdata->num, args->line_buf);
+
print_line(args->print_fh, 0, args->print_args->format, args->line_buf);
- } else {
- if (args->print_separator)
+ } /* if (print_summary) */
+
+ if (args->print_args->print_dissections != print_dissections_none) {
+ if (args->print_args->print_summary) {
+ /* Separate the summary line from the tree with a blank line. */
print_line(args->print_fh, 0, args->print_args->format, "");
-
- /* Create the logical protocol tree, complete with the display
- representation of the items; we don't need the columns here,
- however. */
- edt = epan_dissect_new(TRUE, TRUE);
- epan_dissect_run(edt, pseudo_header, pd, fdata, NULL);
+ }
/* Print the information in that tree. */
proto_tree_print(args->print_args, edt, args->print_fh);
- if (args->print_args->print_hex) {
- /* Print the full packet data as hex. */
- print_hex_data(args->print_fh, args->print_args->format, edt);
- }
+ /* Print a blank line if we print anything after this (aka more than one packet). */
+ args->print_separator = TRUE;
+
+ /* Print a header line if we print any more packet summaries */
+ args->print_header_line = TRUE;
+ }
+
+ if (args->print_args->print_hex) {
+ /* Print the full packet data as hex. */
+ print_hex_data(args->print_fh, args->print_args->format, edt);
- /* Print a blank line if we print anything after this. */
+ /* Print a blank line if we print anything after this (aka more than one packet). */
args->print_separator = TRUE;
+
+ /* Print a header line if we print any more packet summaries */
+ args->print_header_line = TRUE;
} /* if (print_summary) */
+
epan_dissect_free(edt);
+ /* do we want to have a formfeed between each packet from now on? */
+ if(args->print_args->print_formfeed) {
+ args->print_formfeed = TRUE;
+ }
+
return !ferror(args->print_fh);
}
int line_len;
psp_return_t ret;
- callback_args.print_fh = open_print_dest(print_args->to_file,
- print_args->dest);
+ if(print_args->to_file) {
+ callback_args.print_fh = open_print_dest(print_args->to_file,
+ print_args->file);
+ } else {
+ callback_args.print_fh = open_print_dest(print_args->to_file,
+ print_args->cmd);
+ }
if (callback_args.print_fh == NULL)
return PP_OPEN_ERROR; /* attempt to open destination failed */
- print_preamble(callback_args.print_fh, print_args->format);
+ print_preamble(callback_args.print_fh, print_args->format, cf->filename);
if (ferror(callback_args.print_fh)) {
close_print_dest(print_args->to_file, callback_args.print_fh);
return PP_WRITE_ERROR;
}
callback_args.print_args = print_args;
+ callback_args.print_header_line = TRUE;
+ callback_args.header_line_buf = NULL;
+ callback_args.header_line_buf_len = 256;
+ callback_args.print_formfeed = FALSE;
callback_args.print_separator = FALSE;
callback_args.line_buf = NULL;
callback_args.line_buf_len = 256;
callback_args.col_widths = NULL;
if (print_args->print_summary) {
- /* We're printing packet summaries. Allocate the line buffer at
- its initial length. */
- callback_args.line_buf = g_malloc(callback_args.line_buf_len + 1);
+ /* We're printing packet summaries. Allocate the header line buffer
+ and get the column widths. */
+ callback_args.header_line_buf = g_malloc(callback_args.header_line_buf_len + 1);
/* Find the widths for each of the columns - maximum of the
- width of the title and the width of the data - and print
- the column titles. */
+ width of the title and the width of the data - and construct
+ a buffer with a line containing the column titles. */
callback_args.col_widths = (gint *) g_malloc(sizeof(gint) * cf->cinfo.num_cols);
- cp = &callback_args.line_buf[0];
+ cp = &callback_args.header_line_buf[0];
line_len = 0;
for (i = 0; i < cf->cinfo.num_cols; i++) {
/* Don't pad the last column. */
/* Make sure there's room in the line buffer for the column; if not,
double its length. */
line_len += column_len + 1; /* "+1" for space */
- if (line_len > callback_args.line_buf_len) {
- cp_off = cp - callback_args.line_buf;
- callback_args.line_buf_len = 2 * line_len;
- callback_args.line_buf = g_realloc(callback_args.line_buf,
- callback_args.line_buf_len + 1);
- cp = callback_args.line_buf + cp_off;
+ if (line_len > callback_args.header_line_buf_len) {
+ cp_off = cp - callback_args.header_line_buf;
+ callback_args.header_line_buf_len = 2 * line_len;
+ callback_args.header_line_buf = g_realloc(callback_args.header_line_buf,
+ callback_args.header_line_buf_len + 1);
+ cp = callback_args.header_line_buf + cp_off;
}
/* Right-justify the packet number column. */
- if (cf->cinfo.col_fmt[i] == COL_NUMBER)
+/* if (cf->cinfo.col_fmt[i] == COL_NUMBER)
sprintf(cp, "%*s", callback_args.col_widths[i], cf->cinfo.col_title[i]);
- else
+ else*/
sprintf(cp, "%-*s", callback_args.col_widths[i], cf->cinfo.col_title[i]);
cp += column_len;
if (i != cf->cinfo.num_cols - 1)
*cp++ = ' ';
}
*cp = '\0';
- print_line(callback_args.print_fh, 0, print_args->format,
- callback_args.line_buf);
+
+ /* Now start out the main line buffer with the same length as the
+ header line buffer. */
+ callback_args.line_buf_len = callback_args.header_line_buf_len;
+ callback_args.line_buf = g_malloc(callback_args.line_buf_len + 1);
} /* if (print_summary) */
/* Iterate through the list of packets, printing the packets we were
"selected packets", print_packet,
&callback_args);
- if (callback_args.col_widths != NULL)
- g_free(callback_args.col_widths);
+ if (callback_args.header_line_buf != NULL)
+ g_free(callback_args.header_line_buf);
if (callback_args.line_buf != NULL)
g_free(callback_args.line_buf);
+ if (callback_args.col_widths != NULL)
+ g_free(callback_args.col_widths);
switch (ret) {
return PP_WRITE_ERROR;
}
+ /* XXX - check for an error */
close_print_dest(print_args->to_file, callback_args.print_fh);
return PP_OK;
}
+static gboolean
+write_pdml_packet(capture_file *cf _U_, frame_data *fdata,
+ union wtap_pseudo_header *pseudo_header, const guint8 *pd,
+ void *argsp)
+{
+ FILE *fh = argsp;
+ epan_dissect_t *edt;
+
+ /* Create the protocol tree, but don't fill in the column information. */
+ edt = epan_dissect_new(TRUE, TRUE);
+ epan_dissect_run(edt, pseudo_header, pd, fdata, NULL);
+
+ /* Write out the information in that tree. */
+ proto_tree_write_pdml(edt, fh);
+
+ epan_dissect_free(edt);
+
+ return !ferror(fh);
+}
+
+pp_return_t
+write_pdml_packets(capture_file *cf, print_args_t *print_args)
+{
+ FILE *fh;
+ psp_return_t ret;
+
+ fh = fopen(print_args->file, "w");
+ if (fh == NULL)
+ return PP_OPEN_ERROR; /* attempt to open destination failed */
+
+ write_pdml_preamble(fh);
+ if (ferror(fh)) {
+ fclose(fh);
+ return PP_WRITE_ERROR;
+ }
+
+ /* Iterate through the list of packets, printing the packets we were
+ told to print. */
+ ret = process_specified_packets(cf, &print_args->range, "Writing PDML",
+ "selected packets", write_pdml_packet,
+ fh);
+
+ switch (ret) {
+
+ case PSP_FINISHED:
+ /* Completed successfully. */
+ break;
+
+ case PSP_STOPPED:
+ /* Well, the user decided to abort the printing. */
+ break;
+
+ case PSP_FAILED:
+ /* Error while printing. */
+ fclose(fh);
+ return PP_WRITE_ERROR;
+ }
+
+ write_pdml_finale(fh);
+ if (ferror(fh)) {
+ fclose(fh);
+ return PP_WRITE_ERROR;
+ }
+
+ /* XXX - check for an error */
+ fclose(fh);
+
+ return PP_OK;
+}
+
+static gboolean
+write_psml_packet(capture_file *cf, frame_data *fdata,
+ union wtap_pseudo_header *pseudo_header, const guint8 *pd,
+ void *argsp)
+{
+ FILE *fh = argsp;
+ epan_dissect_t *edt;
+
+ /* Fill in the column information, but don't create the protocol tree. */
+ edt = epan_dissect_new(FALSE, FALSE);
+ epan_dissect_run(edt, pseudo_header, pd, fdata, &cf->cinfo);
+
+ /* Write out the information in that tree. */
+ proto_tree_write_psml(edt, fh);
+
+ epan_dissect_free(edt);
+
+ return !ferror(fh);
+}
+
+pp_return_t
+write_psml_packets(capture_file *cf, print_args_t *print_args)
+{
+ FILE *fh;
+ psp_return_t ret;
+
+ fh = fopen(print_args->file, "w");
+ if (fh == NULL)
+ return PP_OPEN_ERROR; /* attempt to open destination failed */
+
+ write_psml_preamble(fh);
+ if (ferror(fh)) {
+ fclose(fh);
+ return PP_WRITE_ERROR;
+ }
+
+ /* Iterate through the list of packets, printing the packets we were
+ told to print. */
+ ret = process_specified_packets(cf, &print_args->range, "Writing PSML",
+ "selected packets", write_psml_packet,
+ fh);
+
+ switch (ret) {
+
+ case PSP_FINISHED:
+ /* Completed successfully. */
+ break;
+
+ case PSP_STOPPED:
+ /* Well, the user decided to abort the printing. */
+ break;
+
+ case PSP_FAILED:
+ /* Error while printing. */
+ fclose(fh);
+ return PP_WRITE_ERROR;
+ }
+
+ write_psml_finale(fh);
+ if (ferror(fh)) {
+ fclose(fh);
+ return PP_WRITE_ERROR;
+ }
+
+ /* XXX - check for an error */
+ fclose(fh);
+
+ return PP_OK;
+}
+
/* Scan through the packet list and change all columns that use the
"command-line-specified" time stamp format to use the current
value of that format. */
}
/* Don't match invisible entries. */
- if (!fi->visible)
+ if (PROTO_ITEM_IS_HIDDEN(node))
return;
/* was a free format label produced? */
info.data_len = string_size;
/* String or hex search? */
- if (cf->ascii) {
+ if (cf->string) {
/* String search - what type of string? */
switch (cf->scs_type) {
* we need an API for popping up alert boxes with
* {Verb} and "Cancel".
*/
- simple_dialog(ESD_TYPE_CONFIRMATION, ESD_BTN_OK,
- "You have searched up to the beginning of the capture.\n"
- "Do you want to continue the search from the end of the capture?");
+ simple_dialog(ESD_TYPE_INFO, ESD_BTN_OK,
+ "%sBeginning of capture exceeded!%s\n\n"
+ "Search is continued from the end of the capture.",
+ simple_dialog_primary_start(), simple_dialog_primary_end());
fdata = cf->plist_end; /* wrap around */
}
} else {
/* Go on to the next frame. */
fdata = fdata->next;
if (fdata == NULL) {
- simple_dialog(ESD_TYPE_CONFIRMATION, ESD_BTN_OK,
- "You have searched up to the end of the capture.\n"
- "Do you want to continue the search from the beginning of the capture?");
+ simple_dialog(ESD_TYPE_INFO, ESD_BTN_OK,
+ "%sEnd of capture exceeded!%s\n\n"
+ "Search is continued from the start of the capture.",
+ simple_dialog_primary_start(), simple_dialog_primary_end());
fdata = cf->plist; /* wrap around */
}
}
switch (err) {
- case WTAP_ERR_UNSUPPORTED:
case WTAP_ERR_UNSUPPORTED_ENCAP:
+ snprintf(errmsg_errno, sizeof(errmsg_errno),
+ "The file \"%%s\" has a packet with a network type that Ethereal doesn't support.\n(%s)",
+ err_info);
+ break;
+
case WTAP_ERR_BAD_RECORD:
snprintf(errmsg_errno, sizeof(errmsg_errno),
"An error occurred while reading from the file \"%%s\": %s.\n(%s)",