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Improve tls info for openssl with kprobes (#1177)

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Instead of going through the socket fd, addresses are obtained in kprobe/tcp_sendmsg on ssl write and kprobe/tcp_recvmsg on ssl read. The tcp kprobes and the openssl uprobes communicate through the id->sslInfo bpf map.
This commit is contained in:
Nimrod Gilboa Markevich
2022-07-07 19:11:54 +03:00
committed by GitHub
parent c010d336bb
commit a2463b739a
20 changed files with 329 additions and 97 deletions
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5
tap/tlstapper/bpf_logger_messages.go
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@@ -20,4 +20,9 @@ var bpfLogMessages = []string{
/*0014*/ "[%d] Unable to put connect info [err: %d]",
/*0015*/ "[%d] Unable to get connect info",
/*0016*/ "[%d] Unable to read connect info [err: %d]",
/*0017*/ "[%d] Unable to read socket family [err: %d]",
/*0018*/ "[%d] Unable to read socket daddr [err: %d]",
/*0019*/ "[%d] Unable to read socket saddr [err: %d]",
/*0019*/ "[%d] Unable to read socket dport [err: %d]",
/*0021*/ "[%d] Unable to read socket sport [err: %d]",
}