[NETFILTER]: nf_conntrack_h323: clean up code a bit
-total: 81 errors, 3 warnings, 876 lines checked +total: 44 errors, 3 warnings, 876 lines checked There is still work to be done, but that's for another patch. Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parent
02502f6224
commit
1f807d6eb3
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@ -96,7 +96,7 @@ typedef struct {
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unsigned char *beg;
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unsigned char *end;
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unsigned char *cur;
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unsigned bit;
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unsigned int bit;
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} bitstr_t;
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/* Tool Functions */
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@ -104,28 +104,28 @@ typedef struct {
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#define INC_BITS(bs,b) if(((bs)->bit+=(b))>7){(bs)->cur+=(bs)->bit>>3;(bs)->bit&=7;}
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#define BYTE_ALIGN(bs) if((bs)->bit){(bs)->cur++;(bs)->bit=0;}
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#define CHECK_BOUND(bs,n) if((bs)->cur+(n)>(bs)->end)return(H323_ERROR_BOUND)
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static unsigned get_len(bitstr_t * bs);
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static unsigned get_bit(bitstr_t * bs);
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static unsigned get_bits(bitstr_t * bs, unsigned b);
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static unsigned get_bitmap(bitstr_t * bs, unsigned b);
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static unsigned get_uint(bitstr_t * bs, int b);
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static unsigned int get_len(bitstr_t *bs);
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static unsigned int get_bit(bitstr_t *bs);
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static unsigned int get_bits(bitstr_t *bs, unsigned int b);
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static unsigned int get_bitmap(bitstr_t *bs, unsigned int b);
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static unsigned int get_uint(bitstr_t *bs, int b);
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/* Decoder Functions */
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static int decode_nul(bitstr_t * bs, field_t * f, char *base, int level);
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static int decode_bool(bitstr_t * bs, field_t * f, char *base, int level);
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static int decode_oid(bitstr_t * bs, field_t * f, char *base, int level);
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static int decode_int(bitstr_t * bs, field_t * f, char *base, int level);
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static int decode_enum(bitstr_t * bs, field_t * f, char *base, int level);
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static int decode_bitstr(bitstr_t * bs, field_t * f, char *base, int level);
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static int decode_numstr(bitstr_t * bs, field_t * f, char *base, int level);
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static int decode_octstr(bitstr_t * bs, field_t * f, char *base, int level);
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static int decode_bmpstr(bitstr_t * bs, field_t * f, char *base, int level);
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static int decode_seq(bitstr_t * bs, field_t * f, char *base, int level);
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static int decode_seqof(bitstr_t * bs, field_t * f, char *base, int level);
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static int decode_choice(bitstr_t * bs, field_t * f, char *base, int level);
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static int decode_nul(bitstr_t *bs, field_t *f, char *base, int level);
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static int decode_bool(bitstr_t *bs, field_t *f, char *base, int level);
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static int decode_oid(bitstr_t *bs, field_t *f, char *base, int level);
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static int decode_int(bitstr_t *bs, field_t *f, char *base, int level);
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static int decode_enum(bitstr_t *bs, field_t *f, char *base, int level);
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static int decode_bitstr(bitstr_t *bs, field_t *f, char *base, int level);
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static int decode_numstr(bitstr_t *bs, field_t *f, char *base, int level);
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static int decode_octstr(bitstr_t *bs, field_t *f, char *base, int level);
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static int decode_bmpstr(bitstr_t *bs, field_t *f, char *base, int level);
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static int decode_seq(bitstr_t *bs, field_t *f, char *base, int level);
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static int decode_seqof(bitstr_t *bs, field_t *f, char *base, int level);
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static int decode_choice(bitstr_t *bs, field_t *f, char *base, int level);
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/* Decoder Functions Vector */
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typedef int (*decoder_t) (bitstr_t *, field_t *, char *, int);
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typedef int (*decoder_t)(bitstr_t *, field_t *, char *, int);
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static const decoder_t Decoders[] = {
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decode_nul,
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decode_bool,
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@ -150,9 +150,9 @@ static const decoder_t Decoders[] = {
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* Functions
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****************************************************************************/
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/* Assume bs is aligned && v < 16384 */
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static unsigned get_len(bitstr_t * bs)
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static unsigned int get_len(bitstr_t *bs)
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{
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unsigned v;
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unsigned int v;
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v = *bs->cur++;
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@ -166,9 +166,9 @@ static unsigned get_len(bitstr_t * bs)
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}
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/****************************************************************************/
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static unsigned get_bit(bitstr_t * bs)
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static unsigned int get_bit(bitstr_t *bs)
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{
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unsigned b = (*bs->cur) & (0x80 >> bs->bit);
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unsigned int b = (*bs->cur) & (0x80 >> bs->bit);
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INC_BIT(bs);
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@ -177,9 +177,9 @@ static unsigned get_bit(bitstr_t * bs)
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/****************************************************************************/
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/* Assume b <= 8 */
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static unsigned get_bits(bitstr_t * bs, unsigned b)
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static unsigned int get_bits(bitstr_t *bs, unsigned int b)
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{
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unsigned v, l;
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unsigned int v, l;
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v = (*bs->cur) & (0xffU >> bs->bit);
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l = b + bs->bit;
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@ -203,9 +203,9 @@ static unsigned get_bits(bitstr_t * bs, unsigned b)
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/****************************************************************************/
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/* Assume b <= 32 */
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static unsigned get_bitmap(bitstr_t * bs, unsigned b)
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static unsigned int get_bitmap(bitstr_t *bs, unsigned int b)
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{
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unsigned v, l, shift, bytes;
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unsigned int v, l, shift, bytes;
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if (!b)
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return 0;
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@ -213,18 +213,18 @@ static unsigned get_bitmap(bitstr_t * bs, unsigned b)
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l = bs->bit + b;
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if (l < 8) {
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v = (unsigned) (*bs->cur) << (bs->bit + 24);
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v = (unsigned int)(*bs->cur) << (bs->bit + 24);
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bs->bit = l;
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} else if (l == 8) {
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v = (unsigned) (*bs->cur++) << (bs->bit + 24);
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v = (unsigned int)(*bs->cur++) << (bs->bit + 24);
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bs->bit = 0;
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} else {
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for (bytes = l >> 3, shift = 24, v = 0; bytes;
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bytes--, shift -= 8)
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v |= (unsigned) (*bs->cur++) << shift;
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v |= (unsigned int)(*bs->cur++) << shift;
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if (l < 32) {
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v |= (unsigned) (*bs->cur) << shift;
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v |= (unsigned int)(*bs->cur) << shift;
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v <<= bs->bit;
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} else if (l > 32) {
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v <<= bs->bit;
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@ -242,9 +242,9 @@ static unsigned get_bitmap(bitstr_t * bs, unsigned b)
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/****************************************************************************
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* Assume bs is aligned and sizeof(unsigned int) == 4
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****************************************************************************/
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static unsigned get_uint(bitstr_t * bs, int b)
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static unsigned int get_uint(bitstr_t *bs, int b)
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{
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unsigned v = 0;
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unsigned int v = 0;
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switch (b) {
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case 4:
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@ -264,7 +264,7 @@ static unsigned get_uint(bitstr_t * bs, int b)
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}
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/****************************************************************************/
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static int decode_nul(bitstr_t * bs, field_t * f, char *base, int level)
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static int decode_nul(bitstr_t *bs, field_t *f, char *base, int level)
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{
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PRINT("%*.s%s\n", level * TAB_SIZE, " ", f->name);
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@ -272,7 +272,7 @@ static int decode_nul(bitstr_t * bs, field_t * f, char *base, int level)
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}
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/****************************************************************************/
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static int decode_bool(bitstr_t * bs, field_t * f, char *base, int level)
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static int decode_bool(bitstr_t *bs, field_t *f, char *base, int level)
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{
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PRINT("%*.s%s\n", level * TAB_SIZE, " ", f->name);
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@ -283,7 +283,7 @@ static int decode_bool(bitstr_t * bs, field_t * f, char *base, int level)
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}
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/****************************************************************************/
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static int decode_oid(bitstr_t * bs, field_t * f, char *base, int level)
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static int decode_oid(bitstr_t *bs, field_t *f, char *base, int level)
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{
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int len;
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@ -299,9 +299,9 @@ static int decode_oid(bitstr_t * bs, field_t * f, char *base, int level)
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}
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/****************************************************************************/
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static int decode_int(bitstr_t * bs, field_t * f, char *base, int level)
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static int decode_int(bitstr_t *bs, field_t *f, char *base, int level)
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{
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unsigned len;
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unsigned int len;
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PRINT("%*.s%s", level * TAB_SIZE, " ", f->name);
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@ -318,9 +318,9 @@ static int decode_int(bitstr_t * bs, field_t * f, char *base, int level)
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len = get_bits(bs, 2) + 1;
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BYTE_ALIGN(bs);
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if (base && (f->attr & DECODE)) { /* timeToLive */
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unsigned v = get_uint(bs, len) + f->lb;
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unsigned int v = get_uint(bs, len) + f->lb;
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PRINT(" = %u", v);
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*((unsigned *) (base + f->offset)) = v;
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*((unsigned int *)(base + f->offset)) = v;
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}
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bs->cur += len;
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break;
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@ -342,7 +342,7 @@ static int decode_int(bitstr_t * bs, field_t * f, char *base, int level)
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}
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/****************************************************************************/
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static int decode_enum(bitstr_t * bs, field_t * f, char *base, int level)
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static int decode_enum(bitstr_t *bs, field_t *f, char *base, int level)
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{
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PRINT("%*.s%s\n", level * TAB_SIZE, " ", f->name);
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}
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/****************************************************************************/
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static int decode_bitstr(bitstr_t * bs, field_t * f, char *base, int level)
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static int decode_bitstr(bitstr_t *bs, field_t *f, char *base, int level)
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{
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unsigned len;
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unsigned int len;
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PRINT("%*.s%s\n", level * TAB_SIZE, " ", f->name);
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@ -390,9 +390,9 @@ static int decode_bitstr(bitstr_t * bs, field_t * f, char *base, int level)
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}
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/****************************************************************************/
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static int decode_numstr(bitstr_t * bs, field_t * f, char *base, int level)
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static int decode_numstr(bitstr_t *bs, field_t *f, char *base, int level)
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{
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unsigned len;
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unsigned int len;
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PRINT("%*.s%s\n", level * TAB_SIZE, " ", f->name);
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}
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/****************************************************************************/
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static int decode_octstr(bitstr_t * bs, field_t * f, char *base, int level)
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static int decode_octstr(bitstr_t *bs, field_t *f, char *base, int level)
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{
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unsigned len;
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unsigned int len;
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PRINT("%*.s%s", level * TAB_SIZE, " ", f->name);
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@ -424,7 +424,7 @@ static int decode_octstr(bitstr_t * bs, field_t * f, char *base, int level)
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bs->cur[0], bs->cur[1],
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bs->cur[2], bs->cur[3],
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bs->cur[4] * 256 + bs->cur[5]));
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*((unsigned *) (base + f->offset)) =
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*((unsigned int *)(base + f->offset)) =
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bs->cur - bs->buf;
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}
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}
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}
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/****************************************************************************/
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static int decode_bmpstr(bitstr_t * bs, field_t * f, char *base, int level)
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static int decode_bmpstr(bitstr_t *bs, field_t *f, char *base, int level)
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{
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unsigned len;
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unsigned int len;
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PRINT("%*.s%s\n", level * TAB_SIZE, " ", f->name);
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}
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/****************************************************************************/
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static int decode_seq(bitstr_t * bs, field_t * f, char *base, int level)
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static int decode_seq(bitstr_t *bs, field_t *f, char *base, int level)
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{
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unsigned ext, bmp, i, opt, len = 0, bmp2, bmp2_len;
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unsigned int ext, bmp, i, opt, len = 0, bmp2, bmp2_len;
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int err;
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field_t *son;
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unsigned char *beg = NULL;
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/* Get fields bitmap */
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bmp = get_bitmap(bs, f->sz);
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if (base)
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*(unsigned *) base = bmp;
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*(unsigned int *)base = bmp;
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/* Decode the root components */
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for (i = opt = 0, son = f->fields; i < f->lb; i++, son++) {
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bmp2 = get_bitmap(bs, bmp2_len);
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bmp |= bmp2 >> f->sz;
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if (base)
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*(unsigned *) base = bmp;
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*(unsigned int *)base = bmp;
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BYTE_ALIGN(bs);
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/* Decode the extension components */
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@ -596,9 +596,9 @@ static int decode_seq(bitstr_t * bs, field_t * f, char *base, int level)
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}
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/****************************************************************************/
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static int decode_seqof(bitstr_t * bs, field_t * f, char *base, int level)
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static int decode_seqof(bitstr_t *bs, field_t *f, char *base, int level)
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{
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unsigned count, effective_count = 0, i, len = 0;
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unsigned int count, effective_count = 0, i, len = 0;
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int err;
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field_t *son;
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unsigned char *beg = NULL;
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/* Write Count */
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if (base) {
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effective_count = count > f->ub ? f->ub : count;
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*(unsigned *) base = effective_count;
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base += sizeof(unsigned);
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*(unsigned int *)base = effective_count;
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base += sizeof(unsigned int);
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}
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/* Decode nested field */
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/****************************************************************************/
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static int decode_choice(bitstr_t * bs, field_t * f, char *base, int level)
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static int decode_choice(bitstr_t *bs, field_t *f, char *base, int level)
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{
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unsigned type, ext, len = 0;
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unsigned int type, ext, len = 0;
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int err;
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field_t *son;
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unsigned char *beg = NULL;
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/* Write Type */
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if (base)
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*(unsigned *) base = type;
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*(unsigned int *)base = type;
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/* Check Range */
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if (type >= f->ub) { /* Newer version? */
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}
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/****************************************************************************/
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int DecodeRasMessage(unsigned char *buf, size_t sz, RasMessage * ras)
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int DecodeRasMessage(unsigned char *buf, size_t sz, RasMessage *ras)
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{
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static field_t ras_message = {
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FNAME("RasMessage") CHOICE, 5, 24, 32, DECODE | EXT,
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/****************************************************************************/
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static int DecodeH323_UserInformation(unsigned char *buf, unsigned char *beg,
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size_t sz, H323_UserInformation * uuie)
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size_t sz, H323_UserInformation *uuie)
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{
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static field_t h323_userinformation = {
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FNAME("H323-UserInformation") SEQ, 1, 2, 2, DECODE | EXT,
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}
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/****************************************************************************/
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int DecodeQ931(unsigned char *buf, size_t sz, Q931 * q931)
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int DecodeQ931(unsigned char *buf, size_t sz, Q931 *q931)
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{
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unsigned char *p = buf;
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int len;
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