[lwip-commits] [SCM] lwIP - A Lightweight TCPIP stack branch, master, updated. STABLE-2_1_0_RELEASE-422-g729b3da

[Sylvain Rochet]

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       via  49bbc2d4bfe7c360e604721fd7ff8375aaf0f070 (commit)
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- Log -----------------------------------------------------------------
commit 729b3da96dba9dea52a30f3d1d2046299ab1e0f3
Author: Sylvain Rochet <gradator@gradator.net>
Date:   Fri Oct 16 21:16:05 2020 +0200

    PPP: remove casts from unsigned (strlen return value) to signed when 
checking auth
    
    In theory, if provided username or password is over 0x80000000 byte long
    (err...), casts to signed integer of strlen() return values is going to
    return negative values breaking lengths checks.
    
    Fix it by only using unsigned integer or size_t (guaranteed to be
    unsigned) comparisons.

commit 49bbc2d4bfe7c360e604721fd7ff8375aaf0f070
Author: Sylvain Rochet <gradator@gradator.net>
Date:   Fri Oct 16 19:27:46 2020 +0200

    PPP, PPPoE: prevent integer overflows when computing packets length
    
    Check that service_name and concentrator_name strings length will not
    trigger integer overflows when computing packets length.

commit 678a7a40448226c4e9d391e352dce0c76e671675
Author: Sylvain Rochet <gradator@gradator.net>
Date:   Fri Oct 16 17:17:40 2020 +0200

    PPP, PPPoE: remove casts from unsigned (strlen return value) to signed
    
    Those casts do not serve any purpose and can be safely removed.

-----------------------------------------------------------------------

Summary of changes:
 src/include/netif/ppp/ppp_impl.h |  2 +-
 src/netif/ppp/auth.c             | 17 +++++++++--------
 src/netif/ppp/pppoe.c            | 29 +++++++++++++++++++++++------
 3 files changed, 33 insertions(+), 15 deletions(-)


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