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Added bitmap boundary checks

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This commit is contained in:
Luca Deri 2021-06-17 10:49:11 +02:00
parent e89c06256e
commit b0b3e1bc6c
1 changed files with 4 additions and 3 deletions
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7
src/include/ndpi_define.h.in
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@ -260,6 +260,7 @@
((x.u6_addr.u6_addr64[0] < y.u6_addr.u6_addr64[0]) || ((x.u6_addr.u6_addr64[0] == y.u6_addr.u6_addr64[0]) && (x.u6_addr.u6_addr64[1] < y.u6_addr.u6_addr64[1])))
#define NDPI_NUM_BITS 512
#define NDPI_NUM_BITS_MASK (512-1)
#define NDPI_BITS /* 32 */ (sizeof(ndpi_ndpi_mask) * 8 /* number of bits in a byte */) /* bits per mask */
#define howmanybits(x, y) (((x)+((y)-1))/(y))
@ -290,9 +291,9 @@
/* this is a very very tricky macro *g*,
* the compiler will remove all shifts here if the protocol is static...
*/
#define NDPI_ADD_PROTOCOL_TO_BITMASK(bmask,value) NDPI_SET(&bmask,value)
#define NDPI_DEL_PROTOCOL_FROM_BITMASK(bmask,value) NDPI_CLR(&bmask,value)
#define NDPI_COMPARE_PROTOCOL_TO_BITMASK(bmask,value) NDPI_ISSET(&bmask,value)
#define NDPI_ADD_PROTOCOL_TO_BITMASK(bmask,value) NDPI_SET(&bmask, value & NDPI_NUM_BITS_MASK)
#define NDPI_DEL_PROTOCOL_FROM_BITMASK(bmask,value) NDPI_CLR(&bmask, value & NDPI_NUM_BITS_MASK)
#define NDPI_COMPARE_PROTOCOL_TO_BITMASK(bmask,value) NDPI_ISSET(&bmask, value & NDPI_NUM_BITS_MASK)
#define NDPI_SAVE_AS_BITMASK(bmask,value) { NDPI_ZERO(&bmask) ; NDPI_ADD_PROTOCOL_TO_BITMASK(bmask, value); }