https://bugs.exim.org/show_bug.cgi?id=2630
Bug ID: 2630
Summary: $readsocket bug
Product: Exim
Version: 4.94
Hardware: x86-64
OS: FreeBSD
Status: NEW
Severity: bug
Priority: medium
Component: String expansion
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Hello.
Faced an error in the work of the readsocket .
${readsocket{<name>}{<request>}{<options>}{<eol string>}{<fail string>}}
The problem arises when using the fourth argument ({<eol string>}) .
It forcibly removes all â\nâ from the string it receives when requested.
In theory, everyone who uses memcached should have encountered this error.
Example:
${readsocket{inet:MEMCACHED_HOST:MEMCACHED_PORT}{get
$acl_c_memcache_key\r\n}{5s}{\n}}
In version 4.93 and lowest, this request will return:
"VALUE 123.123.123.123 0 21\r\[email protected]\r\nEND\r\n"
In version 4.94:
"VALUE 123.123.123.123 0 21\[email protected]\rEND\r"
Without â{\n}â argument, this request will return:
"VALUE 123.123.123.123 0 21\r\[email protected]\r\nEND\r\n"
The current version of exim is:
# exim --version
Exim version 4.94 #1 (FreeBSD 11.2) built 27-Jul-2020 15:46:45
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