* By Gerald Combs <gerald@wireshark.org>
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: GPL-2.0-or-later
*/
#include <config.h>
#include <glib.h>
#include <epan/packet.h>
-/* XXX - try to remove this later */
-#include <epan/prefs.h>
-/* XXX - try to remove this later */
-
#include <wiretap/wtap.h>
#include "capture_info.h"
#include <epan/capture_dissectors.h>
-#include <wsutil/filesystem.h>
-
-typedef struct _info_data {
- packet_counts counts; /* several packet type counters */
- struct wtap* wtap; /* current wtap file */
- capture_info ui; /* user interface data */
-} info_data_t;
-
-
-static info_data_t info_data;
-
-
-/* open the info */
-void capture_info_open(capture_session *cap_session)
-{
- info_data.counts.total = 0;
- info_data.counts.sctp = 0;
- info_data.counts.tcp = 0;
- info_data.counts.udp = 0;
- info_data.counts.icmp = 0;
- info_data.counts.ospf = 0;
- info_data.counts.gre = 0;
- info_data.counts.ipx = 0;
- info_data.counts.netbios = 0;
- info_data.counts.vines = 0;
- info_data.counts.other = 0;
- info_data.counts.arp = 0;
- info_data.counts.i2c_event = 0;
- info_data.counts.i2c_data = 0;
-
- info_data.wtap = NULL;
- info_data.ui.counts = &info_data.counts;
-
- capture_info_ui_create(&info_data.ui, cap_session);
-}
-
-
-static const char *
-cf_open_error_message(int err, gchar *err_info, gboolean for_writing,
- int file_type)
-{
- const char *errmsg;
- static char errmsg_errno[1024+1];
-
- if (err < 0) {
- /* Wiretap error. */
- switch (err) {
-
- case WTAP_ERR_NOT_REGULAR_FILE:
- errmsg = "The file \"%s\" is a \"special file\" or socket or other non-regular file.";
- break;
-
- case WTAP_ERR_FILE_UNKNOWN_FORMAT:
- /* Seen only when opening a capture file for reading. */
- errmsg = "The file \"%s\" isn't a capture file in a format Wireshark understands.";
- break;
-
- case WTAP_ERR_UNSUPPORTED:
- /* Seen only when opening a capture file for reading. */
- g_snprintf(errmsg_errno, sizeof(errmsg_errno),
- "The file \"%%s\" contains record data that Wireshark doesn't support.\n"
- "(%s)", err_info != NULL ? err_info : "no information supplied");
- g_free(err_info);
- errmsg = errmsg_errno;
- break;
-
- case WTAP_ERR_CANT_WRITE_TO_PIPE:
- /* Seen only when opening a capture file for writing. */
- g_snprintf(errmsg_errno, sizeof(errmsg_errno),
- "The file \"%%s\" is a pipe, and %s capture files can't be "
- "written to a pipe.", wtap_file_type_subtype_string(file_type));
- errmsg = errmsg_errno;
- break;
-
- case WTAP_ERR_UNWRITABLE_FILE_TYPE:
- /* Seen only when opening a capture file for writing. */
- errmsg = "Wireshark doesn't support writing capture files in that format.";
- break;
-
- case WTAP_ERR_UNWRITABLE_ENCAP:
- /* Seen only when opening a capture file for writing. */
- errmsg = "Wireshark can't save this capture in that format.";
- break;
-
- case WTAP_ERR_ENCAP_PER_PACKET_UNSUPPORTED:
- if (for_writing)
- errmsg = "Wireshark can't save this capture in that format.";
- else
- errmsg = "The file \"%s\" is a capture for a network type that Wireshark doesn't support.";
- break;
-
- case WTAP_ERR_BAD_FILE:
- /* Seen only when opening a capture file for reading. */
- g_snprintf(errmsg_errno, sizeof(errmsg_errno),
- "The file \"%%s\" appears to be damaged or corrupt.\n"
- "(%s)", err_info != NULL ? err_info : "no information supplied");
- g_free(err_info);
- errmsg = errmsg_errno;
- break;
-
- case WTAP_ERR_CANT_OPEN:
- if (for_writing)
- errmsg = "The file \"%s\" could not be created for some unknown reason.";
- else
- errmsg = "The file \"%s\" could not be opened for some unknown reason.";
- break;
-
- case WTAP_ERR_SHORT_READ:
- errmsg = "The file \"%s\" appears to have been cut short"
- " in the middle of a packet or other data.";
- break;
-
- case WTAP_ERR_SHORT_WRITE:
- errmsg = "A full header couldn't be written to the file \"%s\".";
- break;
-
- case WTAP_ERR_DECOMPRESS:
- g_snprintf(errmsg_errno, sizeof(errmsg_errno),
- "The compressed file \"%%s\" appears to be damaged or corrupt.\n"
- "(%s)", err_info != NULL ? err_info : "no information supplied");
- g_free(err_info);
- errmsg = errmsg_errno;
- break;
-
- default:
- g_snprintf(errmsg_errno, sizeof(errmsg_errno),
- "The file \"%%s\" could not be %s: %s.",
- for_writing ? "created" : "opened",
- wtap_strerror(err));
- errmsg = errmsg_errno;
- break;
- }
- } else
- errmsg = file_open_error_message(err, for_writing);
- return errmsg;
-}
-
-/* new file arrived */
-gboolean capture_info_new_file(const char *new_filename)
-{
- int err;
- gchar *err_info;
- gchar *err_msg;
-
-
- if(info_data.wtap != NULL) {
- wtap_close(info_data.wtap);
- }
-
- info_data.wtap = wtap_open_offline(new_filename, WTAP_TYPE_AUTO, &err, &err_info, FALSE);
- if (!info_data.wtap) {
- err_msg = g_strdup_printf(cf_open_error_message(err, err_info, FALSE, WTAP_FILE_TYPE_SUBTYPE_UNKNOWN),
- new_filename);
- g_warning("capture_info_new_file: %d (%s)", err, err_msg);
- g_free (err_msg);
- return FALSE;
- } else
- return TRUE;
-}
-
static void
-capture_info_packet(packet_counts *counts, gint wtap_linktype, const guchar *pd, guint32 caplen, union wtap_pseudo_header *pseudo_header)
+capture_info_packet(info_data_t* cap_info, gint wtap_linktype, const guchar *pd, guint32 caplen, union wtap_pseudo_header *pseudo_header)
{
capture_packet_info_t cpinfo;
/* Setup the capture packet structure */
- cpinfo.counts = counts;
+ cpinfo.counts = cap_info->counts.counts_hash;
- counts->total++;
+ cap_info->counts.total++;
if (!try_capture_dissector("wtap_encap", wtap_linktype, pd, 0, caplen, &cpinfo, pseudo_header))
- counts->other++;
+ cap_info->counts.other++;
}
/* new packets arrived */
-void capture_info_new_packets(int to_read)
+void capture_info_new_packets(int to_read, info_data_t* cap_info)
{
int err;
gchar *err_info;
gint64 data_offset;
- struct wtap_pkthdr *phdr;
+ wtap_rec *rec;
union wtap_pseudo_header *pseudo_header;
int wtap_linktype;
const guchar *buf;
- info_data.ui.new_packets = to_read;
+ cap_info->ui.new_packets = to_read;
/*g_warning("new packets: %u", to_read);*/
while (to_read > 0) {
- wtap_cleareof(info_data.wtap);
- if (wtap_read(info_data.wtap, &err, &err_info, &data_offset)) {
- phdr = wtap_phdr(info_data.wtap);
- pseudo_header = &phdr->pseudo_header;
- wtap_linktype = phdr->pkt_encap;
- buf = wtap_buf_ptr(info_data.wtap);
-
- capture_info_packet(&info_data.counts, wtap_linktype, buf, phdr->caplen, pseudo_header);
-
- /*g_warning("new packet");*/
- to_read--;
+ wtap_cleareof(cap_info->wtap);
+ if (wtap_read(cap_info->wtap, &err, &err_info, &data_offset)) {
+ rec = wtap_get_rec(cap_info->wtap);
+ if (rec->rec_type == REC_TYPE_PACKET) {
+ pseudo_header = &rec->rec_header.packet_header.pseudo_header;
+ wtap_linktype = rec->rec_header.packet_header.pkt_encap;
+ buf = wtap_get_buf_ptr(cap_info->wtap);
+
+ capture_info_packet(cap_info, wtap_linktype, buf, rec->rec_header.packet_header.caplen, pseudo_header);
+
+ /*g_warning("new packet");*/
+ to_read--;
+ }
}
}
- capture_info_ui_update(&info_data.ui);
-}
-
-
-/* close the info */
-void capture_info_close(void)
-{
- capture_info_ui_destroy(&info_data.ui);
- if(info_data.wtap)
- wtap_close(info_data.wtap);
+ capture_info_ui_update(&cap_info->ui);
}
#endif /* HAVE_LIBPCAP */
git.samba.org / metze / wireshark / wip.git / blobdiff