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common,tools: Always escape newlines when escaping data.

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* common/stringhelp.c (do_percent_escape): Always escape newlines.
* tools/gpgconf-comp.c (gc_percent_escape): Likewise.
--
Newlines always pose a problem for a line-based communication format.

GnuPG-bug-id: 2387
Signed-off-by: Justus Winter <justus@g10code.com>
This commit is contained in:
Justus Winter 2017-03-01 17:47:47 +01:00
parent 3cdb792007
commit e064c75b08
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GPG key ID: DD1A52F9DA8C9020
2 changed files with 16 additions and 1 deletions
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7
tools/gpgconf-comp.c
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@ -1491,6 +1491,13 @@ gc_percent_escape (const char *src)
*(dst++) = '2';
*(dst++) = 'c';
}
else if (*src == '\n')
{
/* The newline is problematic in a line-based format. */
*(dst++) = '%';
*(dst++) = '0';
*(dst++) = 'a';
}
else
*(dst++) = *(src);
src++;