Add source.

1 files changed, 165 insertions, 0 deletions

diff --git a/sdk/net/snmptrap.c b/sdk/net/snmptrap.c
new file mode 100644
index 0000000..17c9f7c
--- /dev/null
+++ b/sdk/net/snmptrap.c
@@ -0,0 +1,165 @@
+/*
+ * Generic snmp trap generation routine.
+ * $Id$
+ * Copyright (c) 1997 by Tycho Softworks.
+ * For conditions of distribution and reuse see product license.
+ */
+
+#include <net/trap.h>
+#include <std/string.h>
+
+int	snmptrap(char *host, char *agent, char *community, int id, char *enterprise, char *describe, long ut)
+{
+	static	uchar	sysvar[] = {0x06, 0x08, 0x2b, 0x06, 0x01, 0x02, 0x01, 0x01, 0x01, 0x00, 0x04};
+	
+	uchar	pkt[256] = {0x30, 0x82, 0x00, 0x00, 0x02, 0x01, 0x00, 0x04};
+	char	console[129];
+	int	len;
+	int	pos;
+	int	l1 = 45;
+	int	l2 = 39;
+	int	l3 = 16;
+	int	l2pos;
+	int	l3pos;
+	int	v1;
+	char	*p;
+	int	v2;
+	ulong	hostip;
+	struct	hostent *hp;
+	struct	sockaddr_in target;
+	struct	in_addr *aptr;
+	int	i1, i2;
+	SOCKET	so;	
+	
+	if(!describe)
+		describe = "";
+			
+	if(!host)
+		host = "localhost";
+	
+	if(!agent)
+		agent = "localhost";
+
+	hp = gethost(agent);
+	if(!hp)
+		return -1;
+
+	while( (aptr = (struct in_addr *)*(hp->h_addr_list)++) != NULL)
+		memcpy(&hostip, aptr, 4);
+	
+	if(!community)
+		community = "PUBLIC";
+	
+	if(!enterprise)
+		enterprise = "1.3.6.1.4.1.3.1.1";	
+
+			
+	so = socket(AF_INET, SOCK_DGRAM, 0);	
+	if(so == INVALID_SOCKET)
+		return -1;
+
+	len = strlen(community);
+	l1 = l1 + len + 1;
+	pkt[8] = (uchar)len;
+	strcpy((char *)pkt + 9, community);
+	pos = 9 + len;
+	pkt[pos++] = 0xa4;
+	l2pos = pos++;
+	pkt[pos++] = 0x06;
+	len = 0;
+
+	v1 = atoi(enterprise);
+	enterprise = strchr(enterprise, '.');
+	v2 = atoi(++enterprise);
+	len = 1;
+	pkt[pos + len] = (uchar)(v1 * 40 + v2);
+	
+	while(NULL !=(enterprise = strchr(enterprise, '.')))
+		pkt[pos + (++len)] = (uchar)atoi(++enterprise);
+	
+	pkt[pos] = len;
+	pos += len + 1;
+	l1 += len;
+	l2 += len;
+	
+	pkt[pos++] = 0x40;
+	pkt[pos++] = 0x04;
+	memcpy(pkt + pos, &hostip, 4);
+	pos += 4;
+	
+	i2 = 0;
+	i1 = id;
+	if(id > 5 || id < 0)
+	{
+		i1 = 6;
+		i2 = abs(id);
+	}
+	
+	pkt[pos++] = 0x02;
+	pkt[pos++] = 0x01;
+	pkt[pos++] = (uchar)i1;
+	pkt[pos++] = 0x02;
+	if(i2 > -1 && i2 < 128)
+	{
+		pkt[pos++] = 0x01;
+		pkt[pos++] = (uchar)i2;
+	}
+	else
+	{
+		pkt[pos++] = 0x02;
+		pkt[pos++] = (uchar)(i2 / 256);
+		pkt[pos++] = (uchar)(i2 % 256);
+		++l1;
+		++l2;
+	}	
+	pkt[pos++] = 0x43;
+	pkt[pos++] = 0x03;
+	pkt[pos++] = (uchar)((ut / 0x10000) % 256);
+	pkt[pos++] = (uchar)((ut / 0x100) % 256);
+	pkt[pos++] = (uchar)(ut % 256);
+	pkt[pos++] = 0x30;
+	pkt[pos++] = 0x82;
+	pkt[pos++] = 0;
+	l3pos = pos++;
+	
+	len = strlen(describe);
+	pkt[pos++] = 0x30;
+	pkt[pos++] = 0x82;
+	pkt[pos++] = 0x00;
+	pkt[pos++] = len + 12;
+	memcpy(pkt + pos, sysvar, 11);
+	pos += 11;
+	pkt[pos++] = (uchar)len;
+	strcpy((char *)pkt + pos, describe);
+	
+	l1 += len;
+	l2 += len;
+	l3 += len;
+	pos += len;
+	 
+	pkt[2] = (uchar)(l1 / 256);
+	pkt[3] = (uchar)(l1 % 256);
+	pkt[l2pos] = (uchar)l2;
+	pkt[l3pos] = (uchar)l3;	
+	
+
+	strcpy(console, host);
+	host = strtok(console, ":\t; \t\n");
+	while(NULL != host)
+	{
+		hp = gethost(host);
+		if(!hp)
+			return -1;
+		
+		while( (aptr = (struct in_addr *)*(hp->h_addr_list)++) != NULL)
+			target.sin_addr = *aptr;
+
+		target.sin_family = hp->h_addrtype;
+		target.sin_port = htons(SNMP_TRAP_PORT);
+		host = strtok(NULL, ":\t;");
+		sendto(so, pkt, pos, 0, (struct sockaddr *)&target, sizeof(struct sockaddr));
+	}
+	endsocket(so);	
+	return 0;
+}
+