/* Fill dest with the text of option 'option'. */
static void fill_options(char *dest, unsigned char *option, struct dhcp_option *type_p)
{
int type, optlen;
u_int16_t val_u16;
int16_t val_s16;
u_int32_t val_u32;
int32_t val_s32;
int len = option[OPT_LEN - 2];
dest += sprintf(dest, "%s=", type_p->name);
type = type_p->flags & TYPE_MASK;
optlen = option_lengths[type];
for(;;) {
switch (type) {
case OPTION_IP_PAIR:
dest += sprintip(dest, "", option);
*(dest++) = '/';
option += 4;
optlen = 4;
case OPTION_IP: /* Works regardless of host byte order. */
dest += sprintip(dest, "", option);
break;
case OPTION_BOOLEAN:
dest += sprintf(dest, *option ? "yes " : "no ");
break;
case OPTION_U8:
dest += sprintf(dest, "%u ", *option);
break;
case OPTION_U16:
memcpy(&val_u16, option, 2);
dest += sprintf(dest, "%u ", ntohs(val_u16));
break;
case OPTION_S16:
memcpy(&val_s16, option, 2);
dest += sprintf(dest, "%d ", ntohs(val_s16));
break;
case OPTION_U32:
memcpy(&val_u32, option, 4);
dest += sprintf(dest, "%lu ", (unsigned long) ntohl(val_u32));
break;
case OPTION_S32:
memcpy(&val_s32, option, 4);
dest += sprintf(dest, "%ld ", (long) ntohl(val_s32));
break;
case OPTION_STRING:
memcpy(dest, option, len);
dest[len] = '\0';
return; /* Short circuit this case */
}
option += optlen;
len -= optlen;
if (len <= 0) break;
}
}
/* Fill dest with the text of option 'option'. */
static void fill_options(char *dest, unsigned char *option, struct dhcp_option *type_p)
{
int type, optlen;
u_int16_t val_u16;
int16_t val_s16;
u_int32_t val_u32;
int32_t val_s32;
int len = option[OPT_LEN - 2];
dest += sprintf(dest, "%s=", type_p->name);
type = type_p->flags & TYPE_MASK;
/* foxconn added start by EricHuang, 12/20/2007 */
if ( strcmp(type_p->name, "rfc3442") == 0 )
{
FILE *fp=0;
/*foxconn added start, water, 03/08/10, @option249*/
/*fp = fopen("/tmp/udhcpc.routes", "w+");*/
fp = fopen("/tmp/udhcpc.routes", "a+");
/*foxconn added end, water, 03/08/10*/
if (fp)
{
fwrite(option, 1, len, fp);
fclose(fp);
}
dest += sprintf(dest, "%d", len); /* only save the length here ... */
return;
}
/* foxconn added end by EricHuang, 12/20/2007 */
/* foxconn added start by EricHuang, 03/12/2008 */
if ( strcmp(type_p->name, "sroute") == 0 )
{
FILE *fp=0;
fp = fopen("/tmp/udhcpc.routes2", "w+");
if (fp)
{
fwrite(option, 1, len, fp);
fclose(fp);
}
dest += sprintf(dest, "%d", len); /* only save the length here ... */
return;
}
/* foxconn added end by EricHuang, 03/12/2008 */
optlen = option_lengths[type];
for(;;) {
switch (type) {
case OPTION_IP_PAIR:
dest += sprintip(dest, "", option);
*(dest++) = '/';
option += 4;
optlen = 4;
case OPTION_IP: /* Works regardless of host byte order. */
dest += sprintip(dest, "", option);
break;
case OPTION_BOOLEAN:
dest += sprintf(dest, *option ? "yes " : "no ");
break;
case OPTION_U8:
dest += sprintf(dest, "%u ", *option);
break;
case OPTION_U16:
memcpy(&val_u16, option, 2);
dest += sprintf(dest, "%u ", ntohs(val_u16));
break;
case OPTION_S16:
memcpy(&val_s16, option, 2);
dest += sprintf(dest, "%d ", ntohs(val_s16));
break;
case OPTION_U32:
memcpy(&val_u32, option, 4);
dest += sprintf(dest, "%lu ", (unsigned long) ntohl(val_u32));
break;
case OPTION_S32:
memcpy(&val_s32, option, 4);
dest += sprintf(dest, "%ld ", (long) ntohl(val_s32));
break;
case OPTION_STRING:
memcpy(dest, option, len);
dest[len] = '\0';
return; /* Short circuit this case */
}
option += optlen;
len -= optlen;
if (len <= 0) break;
}
}
