static void dump_int(char *output, int maxlen, void *value, int len)
{
if (len == (int)sizeof(unsigned int))
snprintf(output, maxlen, "%lu", (unsigned long)ntohl(get_unaligned_uint32(value)));
else
ast_copy_string(output, "Invalid INT", maxlen);
}
static void dump_datetime(char *output, int maxlen, void *value, int len)
{
struct ast_tm tm;
unsigned long val = (unsigned long) ntohl(get_unaligned_uint32(value));
if (len == (int)sizeof(unsigned int)) {
tm.tm_sec = (val & 0x1f) << 1;
tm.tm_min = (val >> 5) & 0x3f;
tm.tm_hour = (val >> 11) & 0x1f;
tm.tm_mday = (val >> 16) & 0x1f;
tm.tm_mon = ((val >> 21) & 0x0f) - 1;
tm.tm_year = ((val >> 25) & 0x7f) + 100;
ast_strftime(output, maxlen, "%Y-%m-%d %T", &tm);
} else
/*!
* \internal
* \brief Check the fences of a region.
*
* \param reg Region block to check.
*
* \return Nothing
*/
static void region_check_fences(struct ast_region *reg)
{
unsigned int *fence;
/*
* We use the bytes just preceeding reg->data and not reg->fence
* because there is likely to be padding between reg->fence and
* reg->data for reg->data alignment.
*/
fence = (unsigned int *) (reg->data - sizeof(*fence));
if (*fence != FENCE_MAGIC) {
astmm_log("WARNING: Low fence violation of %p allocated at %s %s() line %d\n",
reg->data, reg->file, reg->func, reg->lineno);
print_backtrace(reg->bt);
my_do_crash();
}
fence = (unsigned int *) (reg->data + reg->len);
if (get_unaligned_uint32(fence) != FENCE_MAGIC) {
astmm_log("WARNING: High fence violation of %p allocated at %s %s() line %d\n",
reg->data, reg->file, reg->func, reg->lineno);
print_backtrace(reg->bt);
my_do_crash();
}
}
static int parse_iax2_ies(struct iax2_ies *ies, unsigned char *data, int datalen)
{
int len = 0, ie = 0, odlen = datalen, pass=1;
CStdString logmsg;
memset(ies, 0, (int)sizeof(struct iax2_ies));
while(datalen >= 2) {
ie = data[0];
len = data[1];
//logmsg.Format("Looking up IE %d (len=%d)", ie, len);
//LOG4CXX_INFO(s_iax2parsersLog, logmsg);
if (len > datalen - 2) {
/* Strange. The quoted length of the IE is past the actual
* bounds of the IEs size */
logmsg.Format("Error parsing IEs Pass=%d Length of IE=%d, "
"datalen-2=%d, IE=%d, OrigDlen=%d", pass, len, datalen-2, ie, odlen);
LOG4CXX_INFO(s_iax2parsersLog, logmsg);
return -1;
}
switch(ie) {
case IAX2_IE_CALLING_NAME:
ies->calling_name = (char *)data + 2;
break;
case IAX2_IE_CALLED_NUMBER:
ies->callee = (char *)data + 2;
break;
case IAX2_IE_CALLING_NUMBER:
ies->caller = (char *)data + 2;
break;
case IAX2_IE_FORMAT:
if(len == (int)sizeof(unsigned int))
ies->format = ntohl(get_unaligned_uint32(data+2));
else
ies->format = 0; /* Invalid */
break;
case IAX2_IE_USERNAME:
ies->username = (char *)data + 2;
break;
case IAX2_IE_AUTHMETHODS:
if(len == (int)sizeof(unsigned int))
ies->authmethods = ntohl(get_unaligned_uint32(data+2));
else
ies->authmethods = 0; /* Invalid */
break;
case IAX2_IE_CHALLENGE:
ies->challenge = (char *)data + 2;
break;
default:
/* Ignore the rest */
break;
}
#if 0 /* Debug headaches caused by udpHeader->len */
char tmpt[256];
memset(tmpt, 0, sizeof(tmpt));
memcpy(tmpt, data+2, len);
logmsg.Format("Got %s", tmpt);
LOG4CXX_INFO(s_iax2parsersLog, logmsg);
#endif
data[0] = 0;
datalen -= (len + 2);
data += (len + 2);
pass++;
}
*data = '\0';
if(datalen) {
/* IE contents likely to be invalid because we should have totally
* consumed the entire amount of data */
CStdString logmsg;
logmsg.Format("Error parsing IEs. datalen left=%d", len, datalen, ie);
LOG4CXX_INFO(s_iax2parsersLog, logmsg);
return -1;
}
return 0;
}
