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iptcrdr.c: memory allocation fix in get_portmappings_in_range() 

fixes #394
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Thomas Bernard 2019-08-24 10:54:46 +02:00
parent 7c35c5269c
commit a77d1ff9d3
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1 changed files with 5 additions and 2 deletions
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7
miniupnpd/netfilter/iptcrdr.c
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@ -1,7 +1,7 @@
/* $Id: iptcrdr.c,v 1.60 2018/07/06 12:00:09 nanard Exp $ */ /* $Id: iptcrdr.c,v 1.62 2019/08/24 07:06:22 nanard Exp $ */
/* vim: tabstop=4 shiftwidth=4 noexpandtab /* vim: tabstop=4 shiftwidth=4 noexpandtab
* MiniUPnP project * MiniUPnP project
* http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/ * http://miniupnp.free.fr/ or https://miniupnp.tuxfamily.org/
* (c) 2006-2019 Thomas Bernard * (c) 2006-2019 Thomas Bernard
* This software is subject to the conditions detailed * This software is subject to the conditions detailed
* in the LICENCE file provided within the distribution */ * in the LICENCE file provided within the distribution */
@ -1617,6 +1617,9 @@ get_portmappings_in_range(unsigned short startport, unsigned short endport,
{ {
unsigned short * tmp; unsigned short * tmp;
/* need to increase the capacity of the array */ /* need to increase the capacity of the array */
capacity += 128;
if (capacity <= *number)
capacity = *number + 1;
tmp = realloc(array, sizeof(unsigned short)*capacity); tmp = realloc(array, sizeof(unsigned short)*capacity);
if(!tmp) if(!tmp)
{ {