diff options
Diffstat (limited to 'capture_opts.c')
| -rw-r--r-- | capture_opts.c | 459 |
1 files changed, 236 insertions, 223 deletions
diff --git a/capture_opts.c b/capture_opts.c index 9f05faf49b..5f43d28d31 100644 --- a/capture_opts.c +++ b/capture_opts.c @@ -55,74 +55,74 @@ static gboolean capture_opts_output_to_pipe(const char *save_file, gboolean *is_ void capture_opts_init(capture_options *capture_opts) { - capture_opts->ifaces = g_array_new(FALSE, FALSE, sizeof(interface_options)); - capture_opts->all_ifaces = g_array_new(FALSE, FALSE, sizeof(interface_t)); - capture_opts->num_selected = 0; - capture_opts->default_options.name = NULL; - capture_opts->default_options.descr = NULL; - capture_opts->default_options.cfilter = NULL; - capture_opts->default_options.has_snaplen = FALSE; - capture_opts->default_options.snaplen = WTAP_MAX_PACKET_SIZE; - capture_opts->default_options.linktype = -1; /* use interface default */ - capture_opts->default_options.promisc_mode = TRUE; - capture_opts->default_options.if_type = IF_WIRED; + capture_opts->ifaces = g_array_new(FALSE, FALSE, sizeof(interface_options)); + capture_opts->all_ifaces = g_array_new(FALSE, FALSE, sizeof(interface_t)); + capture_opts->num_selected = 0; + capture_opts->default_options.name = NULL; + capture_opts->default_options.descr = NULL; + capture_opts->default_options.cfilter = NULL; + capture_opts->default_options.has_snaplen = FALSE; + capture_opts->default_options.snaplen = WTAP_MAX_PACKET_SIZE; + capture_opts->default_options.linktype = -1; /* use interface default */ + capture_opts->default_options.promisc_mode = TRUE; + capture_opts->default_options.if_type = IF_WIRED; #ifdef HAVE_EXTCAP - capture_opts->default_options.extcap = NULL; - capture_opts->default_options.extcap_fifo = NULL; - capture_opts->default_options.extcap_args = NULL; - capture_opts->default_options.extcap_pid = INVALID_EXTCAP_PID; + capture_opts->default_options.extcap = NULL; + capture_opts->default_options.extcap_fifo = NULL; + capture_opts->default_options.extcap_args = NULL; + capture_opts->default_options.extcap_pid = INVALID_EXTCAP_PID; #endif #if defined(_WIN32) || defined(HAVE_PCAP_CREATE) - capture_opts->default_options.buffer_size = DEFAULT_CAPTURE_BUFFER_SIZE; + capture_opts->default_options.buffer_size = DEFAULT_CAPTURE_BUFFER_SIZE; #endif - capture_opts->default_options.monitor_mode = FALSE; + capture_opts->default_options.monitor_mode = FALSE; #ifdef HAVE_PCAP_REMOTE - capture_opts->default_options.src_type = CAPTURE_IFLOCAL; - capture_opts->default_options.remote_host = NULL; - capture_opts->default_options.remote_port = NULL; - capture_opts->default_options.auth_type = CAPTURE_AUTH_NULL; - capture_opts->default_options.auth_username = NULL; - capture_opts->default_options.auth_password = NULL; - capture_opts->default_options.datatx_udp = FALSE; - capture_opts->default_options.nocap_rpcap = TRUE; - capture_opts->default_options.nocap_local = FALSE; + capture_opts->default_options.src_type = CAPTURE_IFLOCAL; + capture_opts->default_options.remote_host = NULL; + capture_opts->default_options.remote_port = NULL; + capture_opts->default_options.auth_type = CAPTURE_AUTH_NULL; + capture_opts->default_options.auth_username = NULL; + capture_opts->default_options.auth_password = NULL; + capture_opts->default_options.datatx_udp = FALSE; + capture_opts->default_options.nocap_rpcap = TRUE; + capture_opts->default_options.nocap_local = FALSE; #endif #ifdef HAVE_PCAP_SETSAMPLING - capture_opts->default_options.sampling_method = CAPTURE_SAMP_NONE; - capture_opts->default_options.sampling_param = 0; + capture_opts->default_options.sampling_method = CAPTURE_SAMP_NONE; + capture_opts->default_options.sampling_param = 0; #endif - capture_opts->saving_to_file = FALSE; - capture_opts->save_file = NULL; - capture_opts->group_read_access = FALSE; + capture_opts->saving_to_file = FALSE; + capture_opts->save_file = NULL; + capture_opts->group_read_access = FALSE; #ifdef PCAP_NG_DEFAULT - capture_opts->use_pcapng = TRUE; /* Save as pcap-ng by default */ + capture_opts->use_pcapng = TRUE; /* Save as pcap-ng by default */ #else - capture_opts->use_pcapng = FALSE; /* Save as pcap by default */ + capture_opts->use_pcapng = FALSE; /* Save as pcap by default */ #endif - capture_opts->real_time_mode = TRUE; - capture_opts->show_info = TRUE; - capture_opts->quit_after_cap = getenv("WIRESHARK_QUIT_AFTER_CAPTURE") ? TRUE : FALSE; - capture_opts->restart = FALSE; - capture_opts->orig_save_file = NULL; - - capture_opts->multi_files_on = FALSE; - capture_opts->has_file_duration = FALSE; - capture_opts->file_duration = 60; /* 1 min */ - capture_opts->has_ring_num_files = FALSE; - capture_opts->ring_num_files = RINGBUFFER_MIN_NUM_FILES; - - capture_opts->has_autostop_files = FALSE; - capture_opts->autostop_files = 1; - capture_opts->has_autostop_packets = FALSE; - capture_opts->autostop_packets = 0; - capture_opts->has_autostop_filesize = FALSE; - capture_opts->autostop_filesize = 1000; /* 1 MB */ - capture_opts->has_autostop_duration = FALSE; - capture_opts->autostop_duration = 60; /* 1 min */ - capture_opts->capture_comment = NULL; - - capture_opts->output_to_pipe = FALSE; - capture_opts->capture_child = FALSE; + capture_opts->real_time_mode = TRUE; + capture_opts->show_info = TRUE; + capture_opts->quit_after_cap = getenv("WIRESHARK_QUIT_AFTER_CAPTURE") ? TRUE : FALSE; + capture_opts->restart = FALSE; + capture_opts->orig_save_file = NULL; + + capture_opts->multi_files_on = FALSE; + capture_opts->has_file_duration = FALSE; + capture_opts->file_duration = 60; /* 1 min */ + capture_opts->has_ring_num_files = FALSE; + capture_opts->ring_num_files = RINGBUFFER_MIN_NUM_FILES; + + capture_opts->has_autostop_files = FALSE; + capture_opts->autostop_files = 1; + capture_opts->has_autostop_packets = FALSE; + capture_opts->autostop_packets = 0; + capture_opts->has_autostop_filesize = FALSE; + capture_opts->autostop_filesize = 1000; /* 1 MB */ + capture_opts->has_autostop_duration = FALSE; + capture_opts->autostop_duration = 60; /* 1 min */ + capture_opts->capture_comment = NULL; + + capture_opts->output_to_pipe = FALSE; + capture_opts->capture_child = FALSE; } @@ -245,46 +245,46 @@ capture_opts_log(const char *log_domain, GLogLevelFlags log_level, capture_optio static gboolean set_autostop_criterion(capture_options *capture_opts, const char *autostoparg) { - gchar *p, *colonp; - - colonp = strchr(autostoparg, ':'); - if (colonp == NULL) - return FALSE; - - p = colonp; - *p++ = '\0'; - - /* - * Skip over any white space (there probably won't be any, but - * as we allow it in the preferences file, we might as well - * allow it here). - */ - while (isspace((guchar)*p)) - p++; - if (*p == '\0') { + gchar *p, *colonp; + + colonp = strchr(autostoparg, ':'); + if (colonp == NULL) + return FALSE; + + p = colonp; + *p++ = '\0'; + /* - * Put the colon back, so if our caller uses, in an - * error message, the string they passed us, the message - * looks correct. + * Skip over any white space (there probably won't be any, but + * as we allow it in the preferences file, we might as well + * allow it here). */ - *colonp = ':'; - return FALSE; - } - if (strcmp(autostoparg,"duration") == 0) { - capture_opts->has_autostop_duration = TRUE; - capture_opts->autostop_duration = get_positive_int(p,"autostop duration"); - } else if (strcmp(autostoparg,"filesize") == 0) { - capture_opts->has_autostop_filesize = TRUE; - capture_opts->autostop_filesize = get_positive_int(p,"autostop filesize"); - } else if (strcmp(autostoparg,"files") == 0) { - capture_opts->multi_files_on = TRUE; - capture_opts->has_autostop_files = TRUE; - capture_opts->autostop_files = get_positive_int(p,"autostop files"); - } else { - return FALSE; - } - *colonp = ':'; /* put the colon back */ - return TRUE; + while (isspace((guchar)*p)) + p++; + if (*p == '\0') { + /* + * Put the colon back, so if our caller uses, in an + * error message, the string they passed us, the message + * looks correct. + */ + *colonp = ':'; + return FALSE; + } + if (strcmp(autostoparg,"duration") == 0) { + capture_opts->has_autostop_duration = TRUE; + capture_opts->autostop_duration = get_positive_int(p,"autostop duration"); + } else if (strcmp(autostoparg,"filesize") == 0) { + capture_opts->has_autostop_filesize = TRUE; + capture_opts->autostop_filesize = get_positive_int(p,"autostop filesize"); + } else if (strcmp(autostoparg,"files") == 0) { + capture_opts->multi_files_on = TRUE; + capture_opts->has_autostop_files = TRUE; + capture_opts->autostop_files = get_positive_int(p,"autostop files"); + } else { + return FALSE; + } + *colonp = ':'; /* put the colon back */ + return TRUE; } /* @@ -296,45 +296,45 @@ set_autostop_criterion(capture_options *capture_opts, const char *autostoparg) static gboolean get_ring_arguments(capture_options *capture_opts, const char *arg) { - gchar *p = NULL, *colonp; - - colonp = strchr(arg, ':'); - if (colonp == NULL) - return FALSE; - - p = colonp; - *p++ = '\0'; - - /* - * Skip over any white space (there probably won't be any, but - * as we allow it in the preferences file, we might as well - * allow it here). - */ - while (isspace((guchar)*p)) - p++; - if (*p == '\0') { + gchar *p = NULL, *colonp; + + colonp = strchr(arg, ':'); + if (colonp == NULL) + return FALSE; + + p = colonp; + *p++ = '\0'; + /* - * Put the colon back, so if our caller uses, in an - * error message, the string they passed us, the message - * looks correct. + * Skip over any white space (there probably won't be any, but + * as we allow it in the preferences file, we might as well + * allow it here). */ - *colonp = ':'; - return FALSE; - } - - if (strcmp(arg,"files") == 0) { - capture_opts->has_ring_num_files = TRUE; - capture_opts->ring_num_files = get_positive_int(p, "number of ring buffer files"); - } else if (strcmp(arg,"filesize") == 0) { - capture_opts->has_autostop_filesize = TRUE; - capture_opts->autostop_filesize = get_positive_int(p, "ring buffer filesize"); - } else if (strcmp(arg,"duration") == 0) { - capture_opts->has_file_duration = TRUE; - capture_opts->file_duration = get_positive_int(p, "ring buffer duration"); - } - - *colonp = ':'; /* put the colon back */ - return TRUE; + while (isspace((guchar)*p)) + p++; + if (*p == '\0') { + /* + * Put the colon back, so if our caller uses, in an + * error message, the string they passed us, the message + * looks correct. + */ + *colonp = ':'; + return FALSE; + } + + if (strcmp(arg,"files") == 0) { + capture_opts->has_ring_num_files = TRUE; + capture_opts->ring_num_files = get_positive_int(p, "number of ring buffer files"); + } else if (strcmp(arg,"filesize") == 0) { + capture_opts->has_autostop_filesize = TRUE; + capture_opts->autostop_filesize = get_positive_int(p, "ring buffer filesize"); + } else if (strcmp(arg,"duration") == 0) { + capture_opts->has_file_duration = TRUE; + capture_opts->file_duration = get_positive_int(p, "ring buffer duration"); + } + + *colonp = ':'; /* put the colon back */ + return TRUE; } #ifdef HAVE_PCAP_SETSAMPLING @@ -977,64 +977,64 @@ capture_opts_default_iface_if_necessary(capture_options *capture_opts, static int capture_opts_test_for_fifo(const char *path) { - ws_statb64 statb; + ws_statb64 statb; - if (ws_stat64(path, &statb) < 0) - return errno; + if (ws_stat64(path, &statb) < 0) + return errno; - if (S_ISFIFO(statb.st_mode)) - return ESPIPE; - else - return 0; + if (S_ISFIFO(statb.st_mode)) + return ESPIPE; + else + return 0; } static gboolean capture_opts_output_to_pipe(const char *save_file, gboolean *is_pipe) { - int err; - - *is_pipe = FALSE; - - if (save_file != NULL) { - /* We're writing to a capture file. */ - if (strcmp(save_file, "-") == 0) { - /* Writing to stdout. */ - /* XXX - should we check whether it's a pipe? It's arguably - silly to do "-w - >output_file" rather than "-w output_file", - but by not checking we might be violating the Principle Of - Least Astonishment. */ - *is_pipe = TRUE; - } else { - /* not writing to stdout, test for a FIFO (aka named pipe) */ - err = capture_opts_test_for_fifo(save_file); - switch (err) { - - case ENOENT: /* it doesn't exist, so we'll be creating it, - and it won't be a FIFO */ - case 0: /* found it, but it's not a FIFO */ - break; - - case ESPIPE: /* it is a FIFO */ - *is_pipe = TRUE; - break; - - default: /* couldn't stat it */ - break; /* ignore: later attempt to open */ - /* will generate a nice msg */ - } + int err; + + *is_pipe = FALSE; + + if (save_file != NULL) { + /* We're writing to a capture file. */ + if (strcmp(save_file, "-") == 0) { + /* Writing to stdout. */ + /* XXX - should we check whether it's a pipe? It's arguably + silly to do "-w - >output_file" rather than "-w output_file", + but by not checking we might be violating the Principle Of + Least Astonishment. */ + *is_pipe = TRUE; + } else { + /* not writing to stdout, test for a FIFO (aka named pipe) */ + err = capture_opts_test_for_fifo(save_file); + switch (err) { + + case ENOENT: /* it doesn't exist, so we'll be creating it, + and it won't be a FIFO */ + case 0: /* found it, but it's not a FIFO */ + break; + + case ESPIPE: /* it is a FIFO */ + *is_pipe = TRUE; + break; + + default: /* couldn't stat it */ + break; /* ignore: later attempt to open */ + /* will generate a nice msg */ + } + } } - } - return 0; + return 0; } void capture_opts_del_iface(capture_options *capture_opts, guint if_index) { - interface_options interface_opts; + interface_options interface_opts; - interface_opts = g_array_index(capture_opts->ifaces, interface_options, if_index); - /* XXX - check if found? */ + interface_opts = g_array_index(capture_opts->ifaces, interface_options, if_index); + /* XXX - check if found? */ g_free(interface_opts.name); g_free(interface_opts.descr); @@ -1051,10 +1051,10 @@ capture_opts_del_iface(capture_options *capture_opts, guint if_index) #endif #ifdef HAVE_PCAP_REMOTE if (interface_opts.src_type == CAPTURE_IFREMOTE) { - g_free(interface_opts.remote_host); - g_free(interface_opts.remote_port); - g_free(interface_opts.auth_username); - g_free(interface_opts.auth_password); + g_free(interface_opts.remote_host); + g_free(interface_opts.remote_port); + g_free(interface_opts.auth_username); + g_free(interface_opts.auth_password); } #endif capture_opts->ifaces = g_array_remove_index(capture_opts->ifaces, if_index); @@ -1069,62 +1069,75 @@ capture_opts_del_iface(capture_options *capture_opts, guint if_index) void collect_ifaces(capture_options *capture_opts) { - guint i; - interface_t device; - interface_options interface_opts; - - /* Empty out the existing list of interfaces. */ - for (i = capture_opts->ifaces->len; i != 0; i--) - capture_opts_del_iface(capture_opts, i-1); - - /* Now fill the list up again. */ - for (i = 0; i < capture_opts->all_ifaces->len; i++) { - device = g_array_index(capture_opts->all_ifaces, interface_t, i); - if (!device.hidden && device.selected) { - interface_opts.name = g_strdup(device.name); - interface_opts.descr = g_strdup(device.display_name); - interface_opts.console_display_name = g_strdup(device.name); - interface_opts.linktype = device.active_dlt; - interface_opts.cfilter = g_strdup(device.cfilter); - interface_opts.snaplen = device.snaplen; - interface_opts.has_snaplen = device.has_snaplen; - interface_opts.promisc_mode = device.pmode; - interface_opts.if_type = device.if_info.type; + guint i; + interface_t device; + interface_options interface_opts; + + /* Empty out the existing list of interfaces. */ + for (i = capture_opts->ifaces->len; i != 0; i--) + capture_opts_del_iface(capture_opts, i-1); + + /* Now fill the list up again. */ + for (i = 0; i < capture_opts->all_ifaces->len; i++) { + device = g_array_index(capture_opts->all_ifaces, interface_t, i); + if (!device.hidden && device.selected) { + interface_opts.name = g_strdup(device.name); + interface_opts.descr = g_strdup(device.display_name); + interface_opts.console_display_name = g_strdup(device.name); + interface_opts.linktype = device.active_dlt; + interface_opts.cfilter = g_strdup(device.cfilter); + interface_opts.snaplen = device.snaplen; + interface_opts.has_snaplen = device.has_snaplen; + interface_opts.promisc_mode = device.pmode; + interface_opts.if_type = device.if_info.type; #ifdef HAVE_EXTCAP - interface_opts.extcap = g_strdup(device.if_info.extcap); - interface_opts.extcap_fifo = NULL; - interface_opts.extcap_args = device.external_cap_args_settings; - interface_opts.extcap_pid = INVALID_EXTCAP_PID; - if (interface_opts.extcap_args) - g_hash_table_ref(interface_opts.extcap_args); + interface_opts.extcap = g_strdup(device.if_info.extcap); + interface_opts.extcap_fifo = NULL; + interface_opts.extcap_args = device.external_cap_args_settings; + interface_opts.extcap_pid = INVALID_EXTCAP_PID; + if (interface_opts.extcap_args) + g_hash_table_ref(interface_opts.extcap_args); #endif #if defined(_WIN32) || defined(HAVE_PCAP_CREATE) - interface_opts.buffer_size = device.buffer; + interface_opts.buffer_size = device.buffer; #endif #ifdef HAVE_PCAP_CREATE - interface_opts.monitor_mode = device.monitor_mode_enabled; + interface_opts.monitor_mode = device.monitor_mode_enabled; #endif #ifdef HAVE_PCAP_REMOTE - interface_opts.src_type = CAPTURE_IFREMOTE; - interface_opts.remote_host = g_strdup(device.remote_opts.remote_host_opts.remote_host); - interface_opts.remote_port = g_strdup(device.remote_opts.remote_host_opts.remote_port); - interface_opts.auth_type = device.remote_opts.remote_host_opts.auth_type; - interface_opts.auth_username = g_strdup(device.remote_opts.remote_host_opts.auth_username); - interface_opts.auth_password = g_strdup(device.remote_opts.remote_host_opts.auth_password); - interface_opts.datatx_udp = device.remote_opts.remote_host_opts.datatx_udp; - interface_opts.nocap_rpcap = device.remote_opts.remote_host_opts.nocap_rpcap; - interface_opts.nocap_local = device.remote_opts.remote_host_opts.nocap_local; + interface_opts.src_type = CAPTURE_IFREMOTE; + interface_opts.remote_host = g_strdup(device.remote_opts.remote_host_opts.remote_host); + interface_opts.remote_port = g_strdup(device.remote_opts.remote_host_opts.remote_port); + interface_opts.auth_type = device.remote_opts.remote_host_opts.auth_type; + interface_opts.auth_username = g_strdup(device.remote_opts.remote_host_opts.auth_username); + interface_opts.auth_password = g_strdup(device.remote_opts.remote_host_opts.auth_password); + interface_opts.datatx_udp = device.remote_opts.remote_host_opts.datatx_udp; + interface_opts.nocap_rpcap = device.remote_opts.remote_host_opts.nocap_rpcap; + interface_opts.nocap_local = device.remote_opts.remote_host_opts.nocap_local; #endif #ifdef HAVE_PCAP_SETSAMPLING - interface_opts.sampling_method = device.remote_opts.sampling_method; - interface_opts.sampling_param = device.remote_opts.sampling_param; + interface_opts.sampling_method = device.remote_opts.sampling_method; + interface_opts.sampling_param = device.remote_opts.sampling_param; #endif - g_array_append_val(capture_opts->ifaces, interface_opts); - } else { - continue; + g_array_append_val(capture_opts->ifaces, interface_opts); + } else { + continue; + } } - } } #endif /* HAVE_LIBPCAP */ + +/* + * Editor modelines - http://www.wireshark.org/tools/modelines.html + * + * Local variables: + * c-basic-offset: 4 + * tab-width: 8 + * indent-tabs-mode: nil + * End: + * + * vi: set shiftwidth=4 tabstop=8 expandtab: + * :indentSize=4:tabSize=8:noTabs=true: + */ |