tyler.durden
/
icinga2
mirror of https://github.com/Icinga/icinga2.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Fix incorrect header length check in NetString::ReadStringFromStream

This commit is contained in:
Gunnar Beutner 2015-03-02 12:46:16 +01:00
parent 1e9e5edcff
commit 79a69d3e89
1 changed files with 5 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
lib/base/netstring.cpp
View File

@ -51,6 +51,11 @@ StreamReadStatus NetString::ReadStringFromStream(const Stream::Ptr& stream, Stri
for (size_t i = 0; i < context.Size; i++) {
if (context.Buffer[i] == ':') {
header_length = i;
/* make sure there's a header */
if (header_length == 0)
BOOST_THROW_EXCEPTION(std::invalid_argument("Invalid NetString (no length specifier)"));
break;
} else if (i > 16)
BOOST_THROW_EXCEPTION(std::invalid_argument("Invalid NetString (missing :)"));
@ -61,10 +66,6 @@ StreamReadStatus NetString::ReadStringFromStream(const Stream::Ptr& stream, Stri
return StatusNeedData;
}
/* make sure there's a header */
if (header_length == 0)
BOOST_THROW_EXCEPTION(std::invalid_argument("Invalid NetString (no length specifier)"));
/* no leading zeros allowed */
if (context.Buffer[0] == '0' && isdigit(context.Buffer[1]))
BOOST_THROW_EXCEPTION(std::invalid_argument("Invalid NetString (leading zero)"));