int NET_UDP_LISTEN(AGENT_REQUEST *request, AGENT_RESULT *result)
{
char pattern[64], *port_str, *buffer = NULL;
unsigned short port;
zbx_uint64_t listen = 0;
int ret = SYSINFO_RET_FAIL, n, buffer_alloc = 64 * ZBX_KIBIBYTE;
if (1 < request->nparam)
{
SET_MSG_RESULT(result, zbx_strdup(NULL, "Too many parameters."));
return SYSINFO_RET_FAIL;
}
port_str = get_rparam(request, 0);
if (NULL == port_str || SUCCEED != is_ushort(port_str, &port))
{
SET_MSG_RESULT(result, zbx_strdup(NULL, "Invalid first parameter."));
return SYSINFO_RET_FAIL;
}
buffer = zbx_malloc(NULL, buffer_alloc);
if (0 < (n = proc_read_file("/proc/net/udp", &buffer, &buffer_alloc)))
{
ret = SYSINFO_RET_OK;
zbx_snprintf(pattern, sizeof(pattern), "%04X 00000000:0000 07", (unsigned int)port);
buffer[n] = '\0';
if (NULL != strstr(buffer, pattern))
{
listen = 1;
goto out;
}
}
if (0 < (n = proc_read_file("/proc/net/udp6", &buffer, &buffer_alloc)))
{
ret = SYSINFO_RET_OK;
zbx_snprintf(pattern, sizeof(pattern), "%04X 00000000000000000000000000000000:0000 07",
(unsigned int)port);
buffer[n] = '\0';
if (NULL != strstr(buffer, pattern))
listen = 1;
}
out:
zbx_free(buffer);
SET_UI64_RESULT(result, listen);
return ret;
}
int NET_UDP_LISTEN(const char *cmd, const char *param, unsigned flags, AGENT_RESULT *result)
{
char tmp[MAX_STRING_LEN], pattern[64], *buffer = NULL;
unsigned short port;
zbx_uint64_t listen = 0;
int ret = SYSINFO_RET_FAIL, n, buffer_alloc = 64 * ZBX_KIBIBYTE;
if (num_param(param) > 1)
return ret;
if (0 != get_param(param, 1, tmp, sizeof(tmp)))
return ret;
if (SUCCEED != is_ushort(tmp, &port))
return ret;
buffer = zbx_malloc(NULL, buffer_alloc);
if (0 < (n = proc_read_file("/proc/net/udp", &buffer, &buffer_alloc)))
{
ret = SYSINFO_RET_OK;
zbx_snprintf(pattern, sizeof(pattern), "%04X 00000000:0000 07", (unsigned int)port);
buffer[n] = '\0';
if (NULL != strstr(buffer, pattern))
{
listen = 1;
goto out;
}
}
if (0 < (n = proc_read_file("/proc/net/udp6", &buffer, &buffer_alloc)))
{
ret = SYSINFO_RET_OK;
zbx_snprintf(pattern, sizeof(pattern), "%04X 00000000000000000000000000000000:0000 07",
(unsigned int)port);
buffer[n] = '\0';
if (NULL != strstr(buffer, pattern))
listen = 1;
}
out:
zbx_free(buffer);
SET_UI64_RESULT(result, listen);
return ret;
}
