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http: Prevent script errors when http$current_entity is not set

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The current_entity tracking in HTTP assumes that client/server never
send HTTP entities at the same time. The attached pcap (generated
artificially) violates this and triggers:

    1663698249.307259 expression error in <...>base/protocols/http/./entities.zeek, line 89: field value missing (HTTP::c$http$current_entity)

For the http-no-crlf test, include weird.log as baseline. Now that weird is
@load'ed from http, it is actually created and seems to make sense
to btest-diff it, too.
This commit is contained in:
Arne Welzel 2022-09-21 10:17:03 +02:00
parent 19ba30d77a
commit 38e226bf75
7 changed files with 55 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

11
testing/btest/Baseline/scripts.base.protocols.http.missing-http-entity/http.log Normal file
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@ -0,0 +1,11 @@
### BTest baseline data generated by btest-diff. Do not edit. Use "btest -U/-u" to update. Requires BTest >= 0.63.
#separator \x09
#set_separator ,
#empty_field (empty)
#unset_field -
#path http
#open XXXX-XX-XX-XX-XX-XX
#fields ts uid id.orig_h id.orig_p id.resp_h id.resp_p trans_depth method host uri referrer version user_agent origin request_body_len response_body_len status_code status_msg info_code info_msg tags username password proxied orig_fuids orig_filenames orig_mime_types resp_fuids resp_filenames resp_mime_types
#types time string addr port addr port count string string string string string string string count count count string count string set[enum] string string set[string] vector[string] vector[string] vector[string] vector[string] vector[string] vector[string]
XXXXXXXXXX.XXXXXX CHhAvVGS1DHFjwGM9 127.0.0.1 35474 127.0.0.1 8080 1 POST interleave.me / - 1.1 - - 10 3 200 OK - - (empty) - - - FtWn3S3nVYQ9iA3uu8 - text/plain F2bxt6qiQGYTYxTgg - -
#close XXXX-XX-XX-XX-XX-XX

11
testing/btest/Baseline/scripts.base.protocols.http.missing-http-entity/weird.log Normal file
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### BTest baseline data generated by btest-diff. Do not edit. Use "btest -U/-u" to update. Requires BTest >= 0.63.
#separator \x09
#set_separator ,
#empty_field (empty)
#unset_field -
#path weird
#open XXXX-XX-XX-XX-XX-XX
#fields ts uid id.orig_h id.orig_p id.resp_h id.resp_p name addl notice peer source
#types time string addr port addr port string string bool string string
XXXXXXXXXX.XXXXXX CHhAvVGS1DHFjwGM9 127.0.0.1 35474 127.0.0.1 8080 missing_HTTP_entity - F zeek HTTP
#close XXXX-XX-XX-XX-XX-XX