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Add a simple safety check to avoid crashes, currently I do not do full file check (MD5, etc...) but this will catch most problems.

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This commit is contained in:
Adam Sutton 2012-07-31 16:28:11 +01:00
parent 788aff9ca1
commit 687aef1391
1 changed files with 6 additions and 0 deletions
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6
src/epgdb.c
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@ -179,6 +179,12 @@ void epg_init ( void )
int msglen = (rp[0] << 24) | (rp[1] << 16) | (rp[2] << 8) | rp[3];
remain -= 4;
rp += 4;
/* Safety check */
if (msglen > remain) {
tvhlog(LOG_ERR, "epgdb", "corruption detected, some/all data lost");
break;
}
/* Extract message */
htsmsg_t *m = htsmsg_binary_deserialize(rp, msglen, NULL);