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Sanity check on received packet

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This commit is contained in:
Jeremy Lakeman 2012-05-24 17:32:54 +09:30
parent 30009c2c71
commit 43c7297a47
1 changed files with 6 additions and 0 deletions
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6
overlay_mdp.c
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@ -1270,6 +1270,12 @@ int overlay_mdp_recv(overlay_mdp_frame *mdp,int *ttl)
if ((sb1.st_ino!=sb2.st_ino)||(sb1.st_dev!=sb2.st_dev))
return WHY("Reply did not come from server");
}
int expected_len = overlay_mdp_relevant_bytes(mdp);
if (len < expected_len){
return WHYF("Expected packet length of %d, received only %d bytes", expected_len, len);
}
/* Valid packet received */
return 0;
} else