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improve avahi-379 workaround

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ed 2024-12-01 21:24:41 +00:00
parent 6c1cf68bca
commit 94d1924fa9
1 changed files with 5 additions and 5 deletions
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10
copyparty/stolen/dnslib/label.py
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@ -21,12 +21,10 @@ def set_avahi_379():
def log_avahi_379(args): def log_avahi_379(args):
global avahi_379 global avahi_379
n = avahi_379 if avahi_379 == 2:
if n == 2:
return return
if n == 1: avahi_379 = 2
avahi_379 = 2 t = "Invalid pointer in DNSLabel [offset=%d,pointer=%d,length=%d];\n\033[35m NOTE: this is probably avahi-bug #379, packet corruption in Avahi's mDNS-reflection feature. Copyparty has a workaround and is OK, but other devices need either --zm4 or --zm6"
t = "Invalid pointer in DNSLabel [offset=%d,pointer=%d,length=%d]; this is probably avahi-bug #379, packet corruption in Avahi's mDNS reflection feature. Copyparty has a workaround and is OK, but other devices need either --zm4 or --zm6"
raise BufferError(t % args) raise BufferError(t % args)
@ -117,6 +115,8 @@ class DNSBuffer(Buffer):
self.offset = pointer self.offset = pointer
elif avahi_379: elif avahi_379:
log_avahi_379((self.offset, pointer, len(self.data))) log_avahi_379((self.offset, pointer, len(self.data)))
label.extend(b"a")
break
else: else:
raise BufferError( raise BufferError(
"Invalid pointer in DNSLabel [offset=%d,pointer=%d,length=%d]" "Invalid pointer in DNSLabel [offset=%d,pointer=%d,length=%d]"