[SCM] libgnokii and core programs branch, master, updated. rel_0_6_29-426-ga5a1d28

[Daniele Forsi]

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- Log -----------------------------------------------------------------
http://git.savannah.gnu.org/cgit/gnokii.git/commit/?id=a5a1d280227a65ed64483755aa3ab976e68c67ab


commit a5a1d280227a65ed64483755aa3ab976e68c67ab
Author: Daniele Forsi <address@hidden>
Date:   Sun Jan 13 14:55:03 2013 +0100

    Avoid UDH buffer overrun caused by some FBUS frames
    
    Something is wrong with our decoding of subblock 0x80 in ParseLayout()
    for nk6510.c but we shouldn't overrun the static buffer in any case.
    
    Bug reported in the mailing list:
    http://lists.nongnu.org/archive/html/gnokii-users/2012-10/msg00009.html
    http://lists.nongnu.org/archive/html/gnokii-users/2012-12/msg00027.html
    http://lists.nongnu.org/archive/html/gnokii-users/2013-01/msg00019.html

diff --git a/common/gsm-sms.c b/common/gsm-sms.c
index 4ea8b62..fb7291d 100644
--- a/common/gsm-sms.c
+++ b/common/gsm-sms.c
@@ -608,6 +608,10 @@ static gn_error sms_udh_decode(unsigned char *message, 
gn_sms_udh *udh)
                length -= (udh_length + 2);
                pos += (udh_length + 2);
                nr++;
+               if (nr == GN_SMS_UDH_MAX_NUMBER) {
+                       dprintf("WARNING: UDH buffer has space for %d elements; 
further elements will be ignored\n", GN_SMS_UDH_MAX_NUMBER);
+                       break;
+               }
        }
        udh->number = nr;
 

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

Summary of changes:
 common/gsm-sms.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)


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