/* dumpcap.c
- *
- * $Id$
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* and not continue to capture, should we report it as a warning, or
* what?
*/
-void
+static void
enable_kernel_bpf_jit_compiler(void)
{
int fd;
static void report_new_capture_file(const char *filename);
static void report_packet_count(unsigned int packet_count);
-static void report_packet_drops(guint32 received, guint32 pcap_drops, guint32 drops, guint32 flushed, gchar *name);
+static void report_packet_drops(guint32 received, guint32 pcap_drops, guint32 drops, guint32 flushed, guint32 ps_ifdrop, gchar *name);
static void report_capture_error(const char *error_msg, const char *secondary_error_msg);
static void report_cfilter_error(capture_options *capture_opts, guint i, const char *errmsg);
* Subtract difference, in microseconds, between January 1, 1601
* 00:00:00 UTC and January 1, 1970, 00:00:00 UTC.
*/
- timestamp -= G_GINT64_CONSTANT(11644473600000000U);
+ timestamp -= G_GUINT64_CONSTANT(11644473600000000);
#else
/*
* Current time, represented as seconds and microseconds since
"Dumpcap " VERSION "%s\n"
"Capture network packets and dump them into a pcapng file.\n"
"See http://www.wireshark.org for more information.\n",
- wireshark_svnversion);
+ wireshark_gitversion);
} else {
output = stderr;
}
fprintf(output, " -I capture in monitor mode, if available\n");
#endif
#if defined(_WIN32) || defined(HAVE_PCAP_CREATE)
- fprintf(output, " -B <buffer size> size of kernel buffer in MB (def: %dMB)\n", DEFAULT_CAPTURE_BUFFER_SIZE);
+ fprintf(output, " -B <buffer size> size of kernel buffer in MiB (def: %dMiB)\n", DEFAULT_CAPTURE_BUFFER_SIZE);
#endif
fprintf(output, " -y <link type> link layer type (def: first appropriate)\n");
fprintf(output, " -D print list of interfaces and exit\n");
"%s\n"
"%s\n"
"See http://www.wireshark.org for more information.\n",
- wireshark_svnversion, get_copyright_info(), comp_info_str->str, runtime_info_str->str);
+ wireshark_gitversion, get_copyright_info(), comp_info_str->str, runtime_info_str->str);
}
/*
static void
get_capture_device_open_failure_messages(const char *open_err_str,
- const char *iface
-#ifndef _WIN32
- _U_
-#endif
- ,
+ const char *iface,
char *errmsg, size_t errmsg_len,
char *secondary_errmsg,
size_t secondary_errmsg_len)
#endif
g_snprintf(errmsg, (gulong) errmsg_len,
- "The capture session could not be initiated (%s).", open_err_str);
+ "The capture session could not be initiated on interface '%s' (%s).",
+ iface, open_err_str);
#ifdef _WIN32
if (!has_wpcap) {
g_snprintf(secondary_errmsg, (gulong) secondary_errmsg_len,
/* Set the data link type on a pcap. */
static gboolean
-set_pcap_linktype(pcap_t *pcap_h, int linktype,
-#ifdef HAVE_PCAP_SET_DATALINK
- char *name _U_,
-#else
- char *name,
-#endif
+set_pcap_linktype(pcap_t *pcap_h, int linktype, char *name,
char *errmsg, size_t errmsg_len,
char *secondary_errmsg, size_t secondary_errmsg_len)
{
set_linktype_err_str =
"That DLT isn't one of the DLTs supported by this device";
#endif
- g_snprintf(errmsg, (gulong) errmsg_len, "Unable to set data link type (%s).",
- set_linktype_err_str);
+ g_snprintf(errmsg, (gulong) errmsg_len, "Unable to set data link type on interface '%s' (%s).",
+ name, set_linktype_err_str);
/*
* If the error isn't "XXX is not one of the DLTs supported by this device",
* tell the user to tell the Wireshark developers about it.
else
printf("\t");
- printf("%u\t", if_info->type);
+ printf("%i\t", if_info->type);
for (addr = g_slist_nth(if_info->addrs, 0); addr != NULL;
addr = g_slist_next(addr)) {
}
break;
default:
- printf("<type unknown %u>", if_addr->ifat_type);
+ printf("<type unknown %i>", if_addr->ifat_type);
}
}
{
if (byte_swapped) {
/* Byte-swap the record header fields. */
- rechdr->ts_sec = BSWAP32(rechdr->ts_sec);
- rechdr->ts_usec = BSWAP32(rechdr->ts_usec);
- rechdr->incl_len = BSWAP32(rechdr->incl_len);
- rechdr->orig_len = BSWAP32(rechdr->orig_len);
+ rechdr->ts_sec = GUINT32_SWAP_LE_BE(rechdr->ts_sec);
+ rechdr->ts_usec = GUINT32_SWAP_LE_BE(rechdr->ts_usec);
+ rechdr->incl_len = GUINT32_SWAP_LE_BE(rechdr->incl_len);
+ rechdr->orig_len = GUINT32_SWAP_LE_BE(rechdr->orig_len);
}
/* In file format version 2.3, the "incl_len" and "orig_len" fields were
wchar_t *err_str;
#endif
ssize_t b;
- int fd, sel_ret;
+ int fd = -1, sel_ret;
size_t bytes_read;
guint32 magic = 0;
/* read the pcap header */
bytes_read = 0;
while (bytes_read < sizeof magic) {
+ if (fd == -1) {
+ g_snprintf(errmsg, errmsgl, "Invalid file descriptor");
+ goto error;
+ }
+
sel_ret = cap_pipe_select(fd);
if (sel_ret < 0) {
g_snprintf(errmsg, errmsgl,
if (pcap_opts->cap_pipe_byte_swapped) {
/* Byte-swap the header fields about which we care. */
- hdr->version_major = BSWAP16(hdr->version_major);
- hdr->version_minor = BSWAP16(hdr->version_minor);
- hdr->snaplen = BSWAP32(hdr->snaplen);
- hdr->network = BSWAP32(hdr->network);
+ hdr->version_major = GUINT16_SWAP_LE_BE(hdr->version_major);
+ hdr->version_minor = GUINT16_SWAP_LE_BE(hdr->version_minor);
+ hdr->snaplen = GUINT32_SWAP_LE_BE(hdr->snaplen);
+ hdr->network = GUINT32_SWAP_LE_BE(hdr->network);
}
pcap_opts->linktype = hdr->network;
if (interface_opts.buffer_size > 1 &&
pcap_setbuff(pcap_opts->pcap_h, interface_opts.buffer_size * 1024 * 1024) != 0) {
sync_secondary_msg_str = g_strdup_printf(
- "The capture buffer size of %dMB seems to be too high for your machine,\n"
- "the default of 1MB will be used.\n"
+ "The capture buffer size of %d MiB seems to be too high for your machine,\n"
+ "the default of %d MiB will be used.\n"
"\n"
"Nonetheless, the capture is started.\n",
- interface_opts.buffer_size);
+ interface_opts.buffer_size, DEFAULT_CAPTURE_BUFFER_SIZE);
report_capture_error("Couldn't set the capture buffer size!",
sync_secondary_msg_str);
g_free(sync_secondary_msg_str);
os_info_str = g_string_new("");
get_os_version_info(os_info_str);
- g_snprintf(appname, sizeof(appname), "Dumpcap " VERSION "%s", wireshark_svnversion);
+ g_snprintf(appname, sizeof(appname), "Dumpcap " VERSION "%s", wireshark_gitversion);
successful = pcapng_write_session_header_block(ld->pdh,
(const char *)capture_opts->capture_comment, /* Comment*/
NULL, /* HW*/
os_info_str = g_string_new("");
get_os_version_info(os_info_str);
- g_snprintf(appname, sizeof(appname), "Dumpcap " VERSION "%s", wireshark_svnversion);
+ g_snprintf(appname, sizeof(appname), "Dumpcap " VERSION "%s", wireshark_gitversion);
successful = pcapng_write_session_header_block(global_ld.pdh,
NULL, /* Comment */
NULL, /* HW */
init_capture_stop_conditions();
/* create stop conditions */
if (capture_opts->has_autostop_filesize) {
- if (capture_opts->autostop_filesize > (((guint32)INT_MAX + 1) / 1024)) {
- capture_opts->autostop_filesize = ((guint32)INT_MAX + 1) / 1024;
+ if (capture_opts->autostop_filesize > (((guint32)INT_MAX + 1) / 1000)) {
+ capture_opts->autostop_filesize = ((guint32)INT_MAX + 1) / 1000;
}
cnd_autostop_size =
- cnd_new(CND_CLASS_CAPTURESIZE, (guint64)capture_opts->autostop_filesize * 1024);
+ cnd_new(CND_CLASS_CAPTURESIZE, (guint64)capture_opts->autostop_filesize * 1000);
}
if (capture_opts->has_autostop_duration)
cnd_autostop_duration =
if ((cur_time - upd_time) > DUMPCAP_UPD_TIME) { /* wrap just causes an extra update */
#else
gettimeofday(&cur_time, NULL);
- if ((cur_time.tv_sec * 1000000 + cur_time.tv_usec) >
- (upd_time.tv_sec * 1000000 + upd_time.tv_usec + DUMPCAP_UPD_TIME*1000)) {
+ if (((guint64)cur_time.tv_sec * 1000000 + cur_time.tv_usec) >
+ ((guint64)upd_time.tv_sec * 1000000 + upd_time.tv_usec + DUMPCAP_UPD_TIME*1000)) {
#endif
upd_time = cur_time;
if (pcap_opts->pcap_h != NULL) {
g_assert(!pcap_opts->from_cap_pipe);
/* Get the capture statistics, so we know how many packets were dropped. */
+ /*
+ * Older versions of libpcap didn't set ps_ifdrop on some
+ * platforms; initialize it to 0 to handle that.
+ */
+ stats->ps_ifdrop = 0;
if (pcap_stats(pcap_opts->pcap_h, stats) >= 0) {
*stats_known = TRUE;
/* Let the parent process know. */
report_capture_error(errmsg, please_report);
}
}
- report_packet_drops(received, pcap_dropped, pcap_opts->dropped, pcap_opts->flushed, interface_opts.console_display_name);
+ report_packet_drops(received, pcap_dropped, pcap_opts->dropped, pcap_opts->flushed, stats->ps_ifdrop, interface_opts.console_display_name);
}
/* close the input file (pcap or capture pipe) */
"%s"
"\n"
"%s",
- wireshark_svnversion, comp_info_str->str, runtime_info_str->str);
+ wireshark_gitversion, comp_info_str->str, runtime_info_str->str);
#ifdef _WIN32
arg_list_utf_16to8(argc, argv);
*/
interface_opts = g_array_index(capture_opts->ifaces, interface_options, i);
cmdarg_err(
- "Invalid capture filter \"%s\" for interface %s!\n"
+ "Invalid capture filter \"%s\" for interface '%s'!\n"
"\n"
"That string isn't a valid capture filter (%s).\n"
"See the User's Guide for a description of the capture filter syntax.",
}
static void
-report_packet_drops(guint32 received, guint32 pcap_drops, guint32 drops, guint32 flushed, gchar *name)
+report_packet_drops(guint32 received, guint32 pcap_drops, guint32 drops, guint32 flushed, guint32 ps_ifdrop, gchar *name)
{
char tmp[SP_DECISIZE+1+1];
guint32 total_drops = pcap_drops + drops + flushed;
if (capture_child) {
g_log(LOG_DOMAIN_CAPTURE_CHILD, G_LOG_LEVEL_DEBUG,
- "Packets received/dropped on interface %s: %u/%u (pcap:%u/dumpcap:%u/flushed:%u)",
- name, received, total_drops, pcap_drops, drops, flushed);
+ "Packets received/dropped on interface '%s': %u/%u (pcap:%u/dumpcap:%u/flushed:%u/ps_ifdrop:%u)",
+ name, received, total_drops, pcap_drops, drops, flushed, ps_ifdrop);
/* XXX: Need to provide interface id, changes to consumers required. */
pipe_write_block(2, SP_DROPS, tmp);
} else {
fprintf(stderr,
- "Packets received/dropped on interface '%s': %u/%u (pcap:%u/dumpcap:%u/flushed:%u) (%.1f%%)\n",
- name, received, total_drops, pcap_drops, drops, flushed,
+ "Packets received/dropped on interface '%s': %u/%u (pcap:%u/dumpcap:%u/flushed:%u/ps_ifdrop:%u) (%.1f%%)\n",
+ name, received, total_drops, pcap_drops, drops, flushed, ps_ifdrop,
received ? 100.0 * received / (received + total_drops) : 0.0);
/* stderr could be line buffered */
fflush(stderr);
git.samba.org / jelmer / wireshark.git / blobdiff