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Segmentation fault in format json with a space before the = 5065 #5080

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HofiOne
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@HofiOne HofiOne commented Aug 29, 2024

Spaces around = in $(format-json) template function could cause a crash.
The fix of the issue also introduced an enhancement, from now on spaces are allowed around the = operator, so the following $(format-json) template function calls are all valid:

$(format-json foo =alma)
$(format-json foo= alma)
$(format-json foo = alma)
$(format-json foo=\" alma \")
$(format-json foo= \" alma \")
$(format-json foo1= alma foo2 =korte foo3 = szilva foo4 = \" meggy \" foo5=\"\")

Please note the usage of the escaped strings like \" meggy \", and the (escaped and) quoted form that used for an empty value \"\", the latter is a breaking change as earlier an expression like key= led to a json key-value pair with an empty value {"key":""} that will not work anymore.

Fixes: #5065

Signed-off-by: Hofi hofione@gmail.com

@HofiOne HofiOne marked this pull request as draft August 29, 2024 12:32
@HofiOne HofiOne force-pushed the Segmentation-fault-in-format-json-with-a-space-before-the-=-5065 branch from f30f755 to 6e070ea Compare August 29, 2024 12:42
@kira-syslogng
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Build FAILURE

@HofiOne HofiOne force-pushed the Segmentation-fault-in-format-json-with-a-space-before-the-=-5065 branch 3 times, most recently from 24aa432 to 5f9dc12 Compare August 29, 2024 13:11
HofiOne added a commit to HofiOne/syslog-ng that referenced this pull request Aug 29, 2024
Signed-off-by: Hofi <hofione@gmail.com>
@HofiOne HofiOne marked this pull request as ready for review August 29, 2024 14:31
Signed-off-by: Hofi <hofione@gmail.com>
…essions

Signed-off-by: Hofi <hofione@gmail.com>
Signed-off-by: Hofi <hofione@gmail.com>
@HofiOne HofiOne force-pushed the Segmentation-fault-in-format-json-with-a-space-before-the-=-5065 branch from aa3846c to b64d040 Compare August 30, 2024 08:08
@HofiOne HofiOne merged commit 159f055 into syslog-ng:master Aug 30, 2024
23 checks passed
@HofiOne HofiOne deleted the Segmentation-fault-in-format-json-with-a-space-before-the-=-5065 branch August 30, 2024 10:47
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Segmentation fault in format-json with a space before the =
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