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Merge pull request #7807 from gilles-peskine-arm/mbedtls_ssl_protocol_version_str-no_array

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Fix very high stack usage in SSL debug code
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Gilles Peskine 2023-06-26 09:36:53 +02:00 committed by GitHub
commit 717a83164e
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2 changed files with 8 additions and 11 deletions
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3
ChangeLog.d/ssl_debug_helpers-stack_usage.txt Normal file
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@ -0,0 +1,3 @@
Bugfix
* Fix very high stack usage in SSL debug code. Reported by Maximilian
Gerhardt in #7804.

14
scripts/generate_ssl_debug_helpers.py
View File

@ -209,24 +209,18 @@ class EnumDefinition:
continue
member = field.strip().split()[0]
translation_table.append(
'{space}[{member}] = "{member}",'.format(member=member,
space=' '*8)
'{space}case {member}:\n{space} return "{member}";'
.format(member=member, space=' '*8)
)
body = textwrap.dedent('''\
const char *{name}_str( {prototype} in )
{{
const char * in_to_str[]=
{{
switch (in) {{
{translation_table}
}};
if( in > ( sizeof( in_to_str )/sizeof( in_to_str[0]) - 1 ) ||
in_to_str[ in ] == NULL )
{{
default:
return "UNKNOWN_VALUE";
}}
return in_to_str[ in ];
}}
''')
body = body.format(translation_table='\n'.join(translation_table),