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make sure adaptation field length stays within sane range

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This commit is contained in:
Andreas Öman 2007-11-21 15:30:14 +00:00
parent 45b059ed14
commit 35ef53ab0b
1 changed files with 5 additions and 2 deletions
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7
tsdemux.c
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@ -134,13 +134,14 @@ ts_recv_packet(th_transport_t *t, int pid, uint8_t *tsb)
pusi = tsb[1] & 0x40;
afl += 4;
switch(st->st_type) {
case HTSTV_TABLE:
if(st->st_section == NULL)
st->st_section = calloc(1, sizeof(struct psi_section));
afl += 4;
if(err || afl >= 188) {
st->st_section->ps_offset = -1; /* hold parser until next pusi */
break;
@ -169,7 +170,9 @@ ts_recv_packet(th_transport_t *t, int pid, uint8_t *tsb)
break;
default:
afl += 4;
if(afl > 188)
break;
ts_reassembly(t, st, tsb + afl, 188 - afl, pusi, err);
break;
}