output/log: Improve error handling (backport of 7447) #12391
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This commit improves error handling for cases when file(s) cannot be opened. - Return NULL if file object can't be opened - checks whether the file object has been opened before dereferencing the per-file context. Issue: 7447 (cherry picked from commit e72fc39)
Issue: 7447 When the output file can't be opened, 2 error messages are displayed for the same problem. The second message doesn't add value and lacks context (error reason, e.g., "Permission denied"). Retaining the second message as a debug message. Without this commit: Error: logopenfile: Error opening file: "/home/jlucovsky/src/jal/suricata-verify/tests/bug-5198/output/noperms/eve.1.json": Permission denied [SCLogOpenFileFp:util-logopenfile.c:428] Error: logopenfile: Unable to open slot 1 for file /home/jlucovsky/src/jal/suricata-verify/tests/bug-5198/output/noperms/eve.json [LogFileEnsureExists:util-logopenfile.c:737] Error: runmodes: unable to initialize sub-module eve-log.stats [RunModeInitializeEveOutput:runmodes.c:692] With commit: Error: logopenfile: Error opening file: "/home/jlucovsky/src/jal/suricata-verify/tests/bug-5198/output/noperms/eve.1.json": Permission denied [SCLogOpenFileFp:util-logopenfile.c:428] Error: runmodes: unable to initialize sub-module eve-log.stats [RunModeInitializeEveOutput:runmodes.c:692] (cherry picked from commit d853972)
The fix for issue 7447 introduced an error with threaded eve output. The changes that were committed for that issue mishandled the return value when a file is being opened for the 2nd or higher time. Instead of returning the existing file context, null was returned. (cherry picked from commit 1d996c5)
Codecov ReportAttention: Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## main-7.0.x #12391 +/- ##
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+ Coverage 78.58% 83.12% +4.53%
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Files 922 922
Lines 260984 261186 +202
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+ Hits 205106 217111 +12005
+ Misses 55878 44075 -11803
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Continued in #12392 |
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Continuation of #12384
Link to ticket: https://redmine.openinfosecfoundation.org/issues/7448
Describe changes:
Updates:
Provide values to any of the below to override the defaults.
link to the pull request in the respective
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