document SIGUSR1 in manual page

[tcpdump] / print-atm.c

diff --git a/print-atm.c b/print-atm.c
index adba71adbadfd5acff5a07b2ddf2158924137fce..9361065937b2951190dd13bc6219db84d24ee2e6 100644 (file)
--- a/print-atm.c
+++ b/print-atm.c
@@ -140,7 +140,7 @@ atm_llc_print(netdissect_options *ndo,
                etherproto_string(htons(extracted_ethertype))));
                }
                if (!ndo->ndo_suppress_default_print)
-                       ndo->ndo_default_print(ndo, p, caplen);
+                       ND_DEFAULTPRINT(p, caplen);
        }
 }
 
@@ -162,10 +162,10 @@ atm_if_print(netdissect_options *ndo,
 {
        u_int caplen = h->caplen;
        u_int length = h->len;
-       u_int32_t llchdr;
+       uint32_t llchdr;
        u_int hdrlen = 0;
 
-       if (caplen < 8) {
+       if (caplen < 1 || length < 1) {
                ND_PRINT((ndo, "%s", tstr));
                return (caplen);
        }
@@ -174,10 +174,19 @@ atm_if_print(netdissect_options *ndo,
         if (*p == LLC_UI) {
             if (ndo->ndo_eflag)
                 ND_PRINT((ndo, "CNLPID "));
-            isoclns_print(p+1, length-1, caplen-1);
+            isoclns_print(ndo, p + 1, length - 1, caplen - 1);
             return hdrlen;
         }
 
+       /*
+        * Must have at least a DSAP, an SSAP, and the first byte of the
+        * control field.
+        */
+       if (caplen < 3 || length < 3) {
+               ND_PRINT((ndo, "%s", tstr));
+               return (caplen);
+       }
+
        /*
         * Extract the presumed LLC header into a variable, for quick
         * testing.
@@ -205,6 +214,10 @@ atm_if_print(netdissect_options *ndo,
                 * packets?  If so, could it be changed to use a
                 * new DLT_IEEE802_6 value if we added it?
                 */
+               if (caplen < 20 || length < 20) {
+                       ND_PRINT((ndo, "%s", tstr));
+                       return (caplen);
+               }
                if (ndo->ndo_eflag)
                        ND_PRINT((ndo, "%08x%08x %08x%08x ",
                               EXTRACT_32BITS(p),
@@ -246,7 +259,7 @@ static void
 sig_print(netdissect_options *ndo,
           const u_char *p, int caplen)
 {
-       bpf_u_int32 call_ref;
+       uint32_t call_ref;
 
        if (caplen < PROTO_POS) {
                ND_PRINT((ndo, "%s", tstr));
@@ -312,7 +325,7 @@ atm_print(netdissect_options *ndo,
 
                case VCI_ILMIC:
                        ND_PRINT((ndo, "ilmi: "));
-                       snmp_print(p, length);
+                       snmp_print(ndo, p, length);
                        return;
                }
        }
@@ -334,26 +347,26 @@ atm_print(netdissect_options *ndo,
 }
 
 struct oam_fm_loopback_t {
-    u_int8_t loopback_indicator;
-    u_int8_t correlation_tag[4];
-    u_int8_t loopback_id[12];
-    u_int8_t source_id[12];
-    u_int8_t unused[16];
+    uint8_t loopback_indicator;
+    uint8_t correlation_tag[4];
+    uint8_t loopback_id[12];
+    uint8_t source_id[12];
+    uint8_t unused[16];
 };
 
 struct oam_fm_ais_rdi_t {
-    u_int8_t failure_type;
-    u_int8_t failure_location[16];
-    u_int8_t unused[28];
+    uint8_t failure_type;
+    uint8_t failure_location[16];
+    uint8_t unused[28];
 };
 
 int
 oam_print (netdissect_options *ndo,
            const u_char *p, u_int length, u_int hec) {
 
-    u_int32_t cell_header;
-    u_int16_t vpi, vci, cksum, cksum_shouldbe, idx;
-    u_int8_t  cell_type, func_type, payload, clp;
+    uint32_t cell_header;
+    uint16_t vpi, vci, cksum, cksum_shouldbe, idx;
+    uint8_t  cell_type, func_type, payload, clp;
 
     union {
         const struct oam_fm_loopback_t *oam_fm_loopback;