#include <unistd.h>
#endif
-#include <stdlib.h>
+#include <stdio.h>
#include <string.h>
-#include <ctype.h>
-
-#ifdef HAVE_FCNTL_H
-#include <fcntl.h>
-#endif
-
-#ifdef HAVE_SYS_TYPES_H
-#include <sys/types.h>
-#endif
-
-#ifdef HAVE_NETINET_IN_H
-#include <netinet/in.h>
-#endif
-
-#ifdef HAVE_NETDB_H
-#include <netdb.h>
-#endif
-
-#ifdef HAVE_ARPA_INET_H
-#include <arpa/inet.h>
-#endif
-
-#ifdef HAVE_SYS_SOCKET_H
-#include <sys/socket.h> /* needed to define AF_ values on UNIX */
-#endif
-
-#ifdef HAVE_WINSOCK2_H
-#include <winsock2.h> /* needed to define AF_ values on Windows */
-#endif
-
-#ifdef NEED_INET_V6DEFS_H
-# include "inet_v6defs.h"
-#endif
-
-#include <signal.h>
-#include <errno.h>
#include <glib.h>
#include <epan/dfilter/dfilter.h>
#include "file.h"
#include "capture.h"
+#include "capture_ifinfo.h"
#include "capture_sync.h"
#include "capture_info.h"
#include "capture_ui_utils.h"
#include "util.h"
#include "capture-pcap-util.h"
-#include "alert_box.h"
#include "simple_dialog.h"
#include <epan/prefs.h>
capture_start(capture_options *capture_opts)
{
gboolean ret;
+ guint i;
+ GString *source = g_string_new("");
+ if (capture_opts->state != CAPTURE_STOPPED)
+ return FALSE;
+ capture_opts->state = CAPTURE_PREPARING;
/* close the currently loaded capture file */
cf_close(capture_opts->cf);
- g_assert(capture_opts->state == CAPTURE_STOPPED);
- capture_opts->state = CAPTURE_PREPARING;
-
g_log(LOG_DOMAIN_CAPTURE, G_LOG_LEVEL_MESSAGE, "Capture Start ...");
+#ifdef _WIN32
+ if (capture_opts->ifaces->len < 2) {
+#else
+ if (capture_opts->ifaces->len < 4) {
+#endif
+ for (i = 0; i < capture_opts->ifaces->len; i++) {
+ interface_options interface_opts;
+
+ interface_opts = g_array_index(capture_opts->ifaces, interface_options, i);
+ if (i > 0) {
+ if (capture_opts->ifaces->len > 2) {
+ g_string_append_printf(source, ",");
+ }
+ g_string_append_printf(source, " ");
+ if (i == capture_opts->ifaces->len - 1) {
+ g_string_append_printf(source, "and ");
+ }
+ }
+ g_string_append_printf(source, "%s", get_iface_description_for_interface(capture_opts, i));
+ if ((interface_opts.cfilter != NULL) &&
+ (strlen(interface_opts.cfilter) > 0)) {
+ g_string_append_printf(source, " (%s)", interface_opts.cfilter);
+ }
+ }
+ } else {
+ g_string_append_printf(source, "%u interfaces", capture_opts->ifaces->len);
+ }
+ cf_set_tempfile_source(capture_opts->cf, source->str);
+ g_string_free(source, TRUE);
+
/* try to start the capture child process */
ret = sync_pipe_start(capture_opts);
if(!ret) {
{
int err;
-
/* Capture succeeded; attempt to open the capture file. */
if (cf_open(capture_opts->cf, capture_opts->save_file, is_tempfile, &err) != CF_OK) {
/* We're not doing a capture any more, so we don't have a save file. */
return FALSE;
}
-
+
/* Set the read filter to NULL. */
/* XXX - this is odd here; try to put it somewhere where it fits better */
cf_set_rfcode(capture_opts->cf, NULL);
}
/* read in the packet data */
- switch (cf_read(capture_opts->cf)) {
+ switch (cf_read(capture_opts->cf, FALSE)) {
case CF_READ_OK:
case CF_READ_ERROR:
gboolean is_tempfile;
int err;
-
if(capture_opts->state == CAPTURE_PREPARING) {
g_log(LOG_DOMAIN_CAPTURE, G_LOG_LEVEL_MESSAGE, "Capture started!");
}
/* increase the capture file packet counter by the number of incoming packets */
cf_set_packet_count(capture_opts->cf,
cf_get_packet_count(capture_opts->cf) + to_read);
+ cf_fake_continue_tail(capture_opts->cf);
capture_callback_invoke(capture_cb_capture_fixed_continue, capture_opts);
}
capture filter when starting/running the capture.
*/
void
-capture_input_cfilter_error_message(capture_options *capture_opts, char *error_message)
+capture_input_cfilter_error_message(capture_options *capture_opts, guint i, char *error_message)
{
- dfilter_t *rfcode = NULL;
- gchar *safe_cfilter = simple_dialog_format_message(capture_opts->cfilter);
- gchar *safe_cfilter_error_msg = simple_dialog_format_message(error_message);
+ dfilter_t *rfcode = NULL;
+ gchar *safe_cfilter;
+ gchar *safe_descr;
+ gchar *safe_cfilter_error_msg;
+ interface_options interface_opts;
g_log(LOG_DOMAIN_CAPTURE, G_LOG_LEVEL_MESSAGE, "Capture filter error message from child: \"%s\"", error_message);
g_assert(capture_opts->state == CAPTURE_PREPARING || capture_opts->state == CAPTURE_RUNNING);
+ g_assert(i < capture_opts->ifaces->len);
+ interface_opts = g_array_index(capture_opts->ifaces, interface_options, i);
+ safe_cfilter = simple_dialog_format_message(interface_opts.cfilter);
+ safe_descr = simple_dialog_format_message(interface_opts.descr);
+ safe_cfilter_error_msg = simple_dialog_format_message(error_message);
/* Did the user try a display filter? */
- if (dfilter_compile(capture_opts->cfilter, &rfcode) && rfcode != NULL) {
+ if (dfilter_compile(interface_opts.cfilter, &rfcode) && rfcode != NULL) {
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
- "%sInvalid capture filter: \"%s\"!%s\n"
+ "%sInvalid capture filter \"%s\" for interface %s!%s\n"
"\n"
"That string looks like a valid display filter; however, it isn't a valid\n"
"capture filter (%s).\n"
"so you can't use most display filter expressions as capture filters.\n"
"\n"
"See the User's Guide for a description of the capture filter syntax.",
- simple_dialog_primary_start(), safe_cfilter,
+ simple_dialog_primary_start(), safe_cfilter, safe_descr,
simple_dialog_primary_end(), safe_cfilter_error_msg);
dfilter_free(rfcode);
} else {
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
- "%sInvalid capture filter: \"%s\"!%s\n"
+ "%sInvalid capture filter \"%s\" for interface %s!%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.",
- simple_dialog_primary_start(), safe_cfilter,
+ simple_dialog_primary_start(), safe_cfilter, safe_descr,
simple_dialog_primary_end(), safe_cfilter_error_msg);
}
g_free(safe_cfilter_error_msg);
+ g_free(safe_descr);
g_free(safe_cfilter);
/* the capture child will close the sync_pipe if required, nothing to do for now */
/* capture child closed its side of the pipe, do the required cleanup */
void
-capture_input_closed(capture_options *capture_opts)
+capture_input_closed(capture_options *capture_opts, gchar *msg)
{
int err;
int packet_count_save;
g_log(LOG_DOMAIN_CAPTURE, G_LOG_LEVEL_MESSAGE, "Capture stopped!");
g_assert(capture_opts->state == CAPTURE_PREPARING || capture_opts->state == CAPTURE_RUNNING);
+ if (msg != NULL)
+ simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK, "%s", msg);
+
/* if we didn't start the capture, do a fake start. */
/* (happens if we got an error message - we won't get a filename then). */
if(capture_opts->state == CAPTURE_PREPARING) {
}
if(capture_opts->real_time_mode) {
- cf_read_status_t status;
+ cf_read_status_t status;
/* Read what remains of the capture file. */
status = cf_finish_tail(capture_opts->cf, &err);
/* XXX: If -Q (quit-after-cap) then cf->count clr'd below so save it first */
- packet_count_save = cf_get_packet_count(capture_opts->cf);
+ packet_count_save = cf_get_packet_count(capture_opts->cf);
/* Tell the GUI we are not doing a capture any more.
- Must be done after the cf_finish_tail(), so file lengths are
- correctly displayed */
+ Must be done after the cf_finish_tail(), so file lengths are
+ correctly displayed */
capture_callback_invoke(capture_cb_capture_update_finished, capture_opts);
/* Finish the capture. */
/* Exit by leaving the main loop, so that any quit functions
we registered get called. */
main_window_quit();
+ break;
}
} else {
}
}
-/**
- * Fetch the interface list from a child process (dumpcap).
- *
- * @return A GList containing if_info_t structs if successful, NULL (with err and possibly err_str set) otherwise.
- *
- */
-
-/* XXX - We parse simple text output to get our interface list. Should
- * we use "real" data serialization instead, e.g. via XML? */
-GList *
-capture_interface_list(int *err, char **err_str)
-{
- GList *if_list = NULL;
- int i, j;
- gchar *msg;
- gchar **raw_list, **if_parts, **addr_parts;
- gchar *name;
- if_info_t *if_info;
- if_addr_t *if_addr;
-
- g_log(LOG_DOMAIN_CAPTURE, G_LOG_LEVEL_MESSAGE, "Capture Interface List ...");
-
- /* Try to get our interface list */
- *err = sync_interface_list_open(&msg);
- if (*err != 0) {
- g_log(LOG_DOMAIN_CAPTURE, G_LOG_LEVEL_MESSAGE, "Capture Interface List failed!");
- if (err_str) {
- *err_str = msg;
- } else {
- g_free(msg);
- }
- return NULL;
- }
-
- /* Split our lines */
-#ifdef _WIN32
- raw_list = g_strsplit(msg, "\r\n", 0);
-#else
- raw_list = g_strsplit(msg, "\n", 0);
-#endif
- g_free(msg);
-
- for (i = 0; raw_list[i] != NULL; i++) {
- if_parts = g_strsplit(raw_list[i], "\t", 4);
- if (if_parts[0] == NULL || if_parts[1] == NULL || if_parts[2] == NULL ||
- if_parts[3] == NULL) {
- g_strfreev(if_parts);
- continue;
- }
-
- /* Number followed by the name, e.g "1. eth0" */
- name = strchr(if_parts[0], ' ');
- if (name) {
- name++;
- } else {
- g_strfreev(if_parts);
- continue;
- }
-
- if_info = g_malloc0(sizeof(if_info_t));
- if_info->name = g_strdup(name);
- if (strlen(if_parts[1]) > 0)
- if_info->description = g_strdup(if_parts[1]);
- addr_parts = g_strsplit(if_parts[2], ",", 0);
- for (j = 0; addr_parts[j] != NULL; j++) {
- if_addr = g_malloc0(sizeof(if_addr_t));
- if (inet_pton(AF_INET, addr_parts[j], &if_addr->ip_addr.ip4_addr)) {
- if_addr->type = AT_IPv4;
- } else if (inet_pton(AF_INET6, addr_parts[j],
- &if_addr->ip_addr.ip6_addr)) {
- if_addr->type = AT_IPv6;
- } else {
- g_free(if_addr);
- if_addr = NULL;
- }
- if (if_addr) {
- if_info->ip_addr = g_slist_append(if_info->ip_addr, if_addr);
- }
- }
- if (strcmp(if_parts[3], "loopback") == 0)
- if_info->loopback = TRUE;
- g_strfreev(if_parts);
- g_strfreev(addr_parts);
- if_list = g_list_append(if_list, if_info);
- }
- g_strfreev(raw_list);
-
- /* Check to see if we built a list */
- if (if_list == NULL) {
- *err = NO_INTERFACES_FOUND;
- if (err_str)
- *err_str = g_strdup("No interfaces found");
- }
- return if_list;
-}
-
-/* XXX - We parse simple text output to get our interface list. Should
- * we use "real" data serialization instead, e.g. via XML? */
-GList *
-capture_pcap_linktype_list(const gchar *ifname, char **err_str)
-{
- GList *linktype_list = NULL;
- int err, i;
- gchar *msg;
- gchar **raw_list, **lt_parts;
- data_link_info_t *data_link_info;
-
- g_log(LOG_DOMAIN_CAPTURE, G_LOG_LEVEL_MESSAGE, "Capture Interface List ...");
-
- /* Try to get our interface list */
- err = sync_linktype_list_open(ifname, &msg);
- if (err != 0) {
- g_log(LOG_DOMAIN_CAPTURE, G_LOG_LEVEL_MESSAGE, "Capture Interface List failed!");
- if (err_str) {
- *err_str = msg;
- } else {
- g_free(msg);
- }
- return NULL;
- }
-
- /* Split our lines */
-#ifdef _WIN32
- raw_list = g_strsplit(msg, "\r\n", 0);
-#else
- raw_list = g_strsplit(msg, "\n", 0);
-#endif
- g_free(msg);
-
- for (i = 0; raw_list[i] != NULL; i++) {
- /* ...and what if the interface name has a tab in it, Mr. Clever Programmer? */
- lt_parts = g_strsplit(raw_list[i], "\t", 3);
- if (lt_parts[0] == NULL || lt_parts[1] == NULL || lt_parts[2] == NULL) {
- g_strfreev(lt_parts);
- continue;
- }
-
- data_link_info = g_malloc(sizeof (data_link_info_t));
- data_link_info->dlt = (int) strtol(lt_parts[0], NULL, 10);
- data_link_info->name = g_strdup(lt_parts[1]);
- if (strcmp(lt_parts[2], "(not supported)") != 0)
- data_link_info->description = g_strdup(lt_parts[2]);
- else
- data_link_info->description = NULL;
-
- linktype_list = g_list_append(linktype_list, data_link_info);
- }
- g_strfreev(raw_list);
-
- /* Check to see if we built a list */
- if (linktype_list == NULL) {
- if (err_str)
- *err_str = NULL;
- }
- return linktype_list;
-}
-
if_stat_cache_t *
capture_stat_start(GList *if_list) {
int stat_fd, fork_child;
*
* This means that
*
- * 1) this might fail if you run out of BPF devices
+ * 1) this might fail if you run out of BPF devices
*
* and
*
- * 2) opening every interface could leave too few BPF devices
- * for *other* programs.
+ * 2) opening every interface could leave too few BPF devices
+ * for *other* programs.
*
* It also means the system could end up getting a lot of traffic
* that it has to pass through the networking stack and capture
/* Initialize the cache */
for (if_entry = if_list; if_entry != NULL; if_entry = g_list_next(if_entry)) {
if_info = if_entry->data;
- sc_item = g_malloc0(sizeof(if_stat_cache_item_t));
- sc_item->name = g_strdup(if_info->name);
- sc->cache_list = g_list_append(sc->cache_list, sc_item);
+ if (if_info) {
+ sc_item = g_malloc0(sizeof(if_stat_cache_item_t));
+ sc_item->name = g_strdup(if_info->name);
+ sc->cache_list = g_list_append(sc->cache_list, sc_item);
+ }
}
}
return sc;
capture_stat_stop(if_stat_cache_t *sc) {
GList *sc_entry;
if_stat_cache_item_t *sc_item;
+ int ret;
gchar *msg;
if (!sc)
return;
- sync_interface_stats_close(&sc->stat_fd, &sc->fork_child, &msg);
+ ret = sync_interface_stats_close(&sc->stat_fd, &sc->fork_child, &msg);
+ if (ret == -1) {
+ /* XXX - report failure? */
+ g_free(msg);
+ }
for (sc_entry = sc->cache_list; sc_entry != NULL; sc_entry = g_list_next(sc_entry)) {
sc_item = sc_entry->data;
git.samba.org / obnox / wireshark / wip.git / blobdiff