diff options
Diffstat (limited to 'capture.c')
| -rw-r--r-- | capture.c | 57 |
1 files changed, 57 insertions, 0 deletions
@@ -682,5 +682,62 @@ capture_interface_list(int *err, char **err_str) 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(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 */ + raw_list = g_strsplit(msg, "\n", 0); + 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)") != NULL) + 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; +} + #endif /* HAVE_LIBPCAP */ |