Adding upstream version 4.2.2.upstream/4.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 129 insertions, 0 deletions

diff --git a/epan/services.c b/epan/services.c
new file mode 100644
index 00000000..0c00817d
--- /dev/null
+++ b/epan/services.c
@@ -0,0 +1,129 @@
+/* services.c
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "services.h"
+#include <stdlib.h>
+
+#include "services-data.c"
+
+
+static int
+compare_entry(const void *a, const void *b)
+{
+    return *(const uint16_t *)a - ((const ws_services_entry_t *)b)->port;
+}
+
+static inline
+size_t global_tcp_udp_services_table_count(void)
+{
+    return G_N_ELEMENTS(global_tcp_udp_services_table);
+}
+
+static inline
+size_t global_tcp_services_table_count(void)
+{
+    return G_N_ELEMENTS(global_tcp_services_table);
+}
+
+static inline
+size_t global_udp_services_table_count(void)
+{
+    return G_N_ELEMENTS(global_udp_services_table);
+}
+
+static inline
+size_t global_sctp_services_table_count(void)
+{
+    return G_N_ELEMENTS(global_sctp_services_table);
+}
+
+static inline
+size_t global_dccp_services_table_count(void)
+{
+    return G_N_ELEMENTS(global_dccp_services_table);
+}
+
+ws_services_entry_t *
+global_services_lookup(uint16_t value, ws_services_proto_t proto)
+{
+    ws_services_entry_t *list1 = NULL, *list2 = NULL;
+    size_t list1_size, list2_size;
+    ws_services_entry_t *found;
+
+    switch (proto) {
+        case ws_tcp:
+            list1 = global_tcp_udp_services_table;
+            list1_size = global_tcp_udp_services_table_count();
+            list2 = global_tcp_services_table;
+            list2_size = global_tcp_services_table_count();
+            break;
+        case ws_udp:
+            list1 = global_tcp_udp_services_table;
+            list1_size = global_tcp_udp_services_table_count();
+            list2 = global_udp_services_table;
+            list2_size = global_udp_services_table_count();
+            break;
+        case ws_sctp:
+            list1 = global_sctp_services_table;
+            list1_size = global_sctp_services_table_count();
+            break;
+        case ws_dccp:
+            list1 = global_dccp_services_table;
+            list1_size = global_dccp_services_table_count();
+            break;
+        default:
+            ws_assert_not_reached();
+    }
+
+    if (list1) {
+        found = bsearch(&value, list1, list1_size, sizeof(ws_services_entry_t), compare_entry);
+        if (found) {
+            return found;
+        }
+    }
+
+    if (list2) {
+        found = bsearch(&value, list2, list2_size, sizeof(ws_services_entry_t), compare_entry);
+        if (found) {
+            return found;
+        }
+    }
+
+    return NULL;
+}
+
+void
+global_services_dump(FILE *fp)
+{
+    ws_services_entry_t *ptr;
+
+    /* Brute-force approach... */
+    for (uint16_t num = 0; num <= _services_max_port && num < UINT16_MAX; num++) {
+        /* TCP */
+        ptr = global_services_lookup(num, ws_tcp);
+        if (ptr != NULL) {
+            fprintf(fp, "%s\t%"PRIu16"\ttcp\t%s\n", ptr->name, num, ptr->description);
+        }
+        /* UDP */
+        ptr = global_services_lookup(num, ws_udp);
+        if (ptr != NULL) {
+            fprintf(fp, "%s\t%"PRIu16"\tudp\t%s\n", ptr->name, num, ptr->description);
+        }
+        /* SCTP */
+        ptr = global_services_lookup(num, ws_sctp);
+        if (ptr != NULL) {
+            fprintf(fp, "%s\t%"PRIu16"\tsctp\t%s\n", ptr->name, num, ptr->description);
+        }
+        /* DCCP */
+        ptr = global_services_lookup(num, ws_dccp);
+        if (ptr != NULL) {
+            fprintf(fp, "%s\t%"PRIu16"\tdccp\t%s\n", ptr->name, num, ptr->description);
+        }
+    }
+}