/** @file
- *
+ *
* Capture options (all parameters needed to do the actual capture)
*
*/
#ifndef __CAPTURE_OPTS_H__
#define __CAPTURE_OPTS_H__
+#ifdef HAVE_SYS_TYPES_H
+# include <sys/types.h> /* for gid_t */
+#endif
+
/* Current state of capture engine. XXX - differentiate states */
typedef enum {
CAPTURE_RUNNING /**< capture child signalled ok, capture is running now */
} capture_state;
+#ifdef HAVE_PCAP_REMOTE
+/* Type of capture source */
+typedef enum {
+ CAPTURE_IFLOCAL, /**< Local network interface */
+ CAPTURE_IFREMOTE /**< Remote network interface */
+} capture_source;
+
+/* Type of RPCAPD Authentication */
+typedef enum {
+ CAPTURE_AUTH_NULL, /**< No authentication */
+ CAPTURE_AUTH_PWD /**< User/password authentication */
+} capture_auth;
+
+#ifdef HAVE_PCAP_SETSAMPLING
+/**
+ * Method of packet sampling (dropping some captured packets),
+ * may require additional integer parameter, marked here as N
+ */
+typedef enum {
+ CAPTURE_SAMP_NONE, /**< No sampling - capture all packets */
+ CAPTURE_SAMP_BY_COUNT, /**< Counter-based sampling -
+ capture 1 packet from every N */
+ CAPTURE_SAMP_BY_TIMER /**< Timer-based sampling -
+ capture no more than 1 packet
+ in N milliseconds */
+} capture_sampling;
+#endif
+#endif
/** Capture options coming from user interface */
typedef struct capture_options_tag {
/* general */
- void *cf; /**< handle to cfile (note: untyped handle) */
- gchar *cfilter; /**< Capture filter string */
- gchar *iface; /**< the network interface to capture from */
-
+ void *cf; /**< handle to cfile (note: untyped handle) */
+ gboolean has_cfilter; /**< TRUE if capture filter specified on command line */
+ gchar *cfilter; /**< Capture filter string */
+ gchar *iface; /**< the network interface to capture from */
+ gchar *iface_descr; /**< A human readable description of iface.
+ *< NOTE: capture_opts.c is not able to
+ *< set this field because doing so
+ *< requires too many dependencies.
+ *< Readers of this field should use
+ *< get_iface_description() from
+ *< "capture_ui_utils.h" to access it. */
+#ifdef HAVE_PCAP_REMOTE
+ capture_source src_type; /**< Capturing on remote interface */
+ gchar *remote_host; /**< Host name or network address
+ *< for remote capturing */
+ gchar *remote_port; /**< TCP port of remote RPCAP server */
+
+ capture_auth auth_type;
+ gchar *auth_username;
+ gchar *auth_password; /**< Remote authentication parameters */
+
+ gboolean datatx_udp; /**< Whether to use UDP for data transfer */
+ gboolean nocap_rpcap; /**< Whether to capture RPCAP own traffic */
+ gboolean nocap_local; /**< TODO: Whether to capture local traffic */
+#ifdef HAVE_PCAP_SETSAMPLING
+ capture_sampling sampling_method; /**< PCAP packet sampling method */
+ int sampling_param; /**< PCAP packet sampling parameter */
+#endif
+#endif
#ifdef _WIN32
- int buffer_size; /**< the capture buffer size (MB) */
+ int buffer_size; /**< the capture buffer size (MB) */
#endif
- gboolean has_snaplen; /**< TRUE if maximum capture packet length
- is specified */
- int snaplen; /**< Maximum captured packet length */
- gboolean promisc_mode; /**< Capture in promiscuous mode */
- int linktype; /**< Data link type to use, or -1 for
- "use default" */
- gboolean saving_to_file; /**< TRUE if capture is writing to a file */
- gchar *save_file; /**< the capture file name */
+ gboolean has_snaplen; /**< TRUE if maximum capture packet length
+ is specified */
+ int snaplen; /**< Maximum captured packet length */
+ gboolean promisc_mode; /**< Capture in promiscuous mode */
+ int linktype; /**< Data link type to use, or -1 for
+ "use default" */
+ gboolean saving_to_file; /**< TRUE if capture is writing to a file */
+ gchar *save_file; /**< the capture file name */
+ gboolean use_pcapng; /**< TRUE if file format is pcapng */
/* GUI related */
- gboolean real_time_mode; /**< Update list of packets in real time */
- gboolean show_info; /**< show the info dialog */
- gboolean quit_after_cap; /** Makes a "capture only mode". Implies -k */
- gboolean restart; /**< restart after closing is done */
+ gboolean real_time_mode; /**< Update list of packets in real time */
+ gboolean show_info; /**< show the info dialog */
+ gboolean quit_after_cap; /**< Makes a "capture only mode". Implies -k */
+ gboolean restart; /**< restart after closing is done */
/* multiple files (and ringbuffer) */
- gboolean multi_files_on; /**< TRUE if ring buffer in use */
+ gboolean multi_files_on; /**< TRUE if ring buffer in use */
- gboolean has_file_duration; /**< TRUE if ring duration specified */
- gint32 file_duration; /* Switch file after n seconds */
- gboolean has_ring_num_files;/**< TRUE if ring num_files specified */
- guint32 ring_num_files; /**< Number of multiple buffer files */
+ gboolean has_file_duration; /**< TRUE if ring duration specified */
+ gint32 file_duration; /**< Switch file after n seconds */
+ gboolean has_ring_num_files; /**< TRUE if ring num_files specified */
+ guint32 ring_num_files; /**< Number of multiple buffer files */
/* autostop conditions */
- gboolean has_autostop_files;/**< TRUE if maximum number of capture files
- are specified */
- gint32 autostop_files; /**< Maximum number of capture files */
-
- gboolean has_autostop_packets; /**< TRUE if maximum packet count is
- specified */
- int autostop_packets; /**< Maximum packet count */
- gboolean has_autostop_filesize; /**< TRUE if maximum capture file size
- is specified */
- gint32 autostop_filesize; /**< Maximum capture file size */
- gboolean has_autostop_duration; /**< TRUE if maximum capture duration
- is specified */
- gint32 autostop_duration; /**< Maximum capture duration */
+ gboolean has_autostop_files; /**< TRUE if maximum number of capture files
+ are specified */
+ gint32 autostop_files; /**< Maximum number of capture files */
+
+ gboolean has_autostop_packets; /**< TRUE if maximum packet count is
+ specified */
+ int autostop_packets; /**< Maximum packet count */
+ gboolean has_autostop_filesize; /**< TRUE if maximum capture file size
+ is specified */
+ gint32 autostop_filesize; /**< Maximum capture file size */
+ gboolean has_autostop_duration; /**< TRUE if maximum capture duration
+ is specified */
+ gint32 autostop_duration; /**< Maximum capture duration */
/* internally used (don't touch from outside) */
- int fork_child; /**< If not -1, in parent, process ID of child */
+ int fork_child; /**< If not -1, in parent, process ID of child */
#ifdef _WIN32
- int signal_pipe_write_fd; /**< the pipe to signal the child */
+ int signal_pipe_write_fd; /**< the pipe to signal the child */
+#endif
+ capture_state state; /**< current state of the capture engine */
+ gboolean output_to_pipe; /**< save_file is a pipe (named or stdout) */
+#ifndef _WIN32
+ uid_t owner; /**< owner of the cfile */
+ gid_t group; /**< group of the cfile */
#endif
- capture_state state; /**< current state of the capture engine */
- gboolean output_to_pipe; /**< save_file is a pipe (named or stdout) */
} capture_options;
-
/* initialize the capture_options with some reasonable values */
extern void
-capture_opts_init(capture_options *capture_opts, void *cfile);
+capture_opts_init(capture_options *capture_opts, void *cf);
/* set a command line option value */
extern int
/* list link layer types */
extern int
-capture_opts_list_link_layer_types(capture_options *capture_opts);
+capture_opts_list_link_layer_types(capture_options *capture_opts, gboolean machine_readable);
/* list interfaces */
extern int
-capture_opts_list_interfaces(void);
+capture_opts_list_interfaces(gboolean machine_readable);
/* trim the snaplen entry */
-extern void
+extern void
capture_opts_trim_snaplen(capture_options *capture_opts, int snaplen_min);
/* trim the ring_num_files entry */
-extern void
+extern void
capture_opts_trim_ring_num_files(capture_options *capture_opts);
/* trim the interface entry */