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wpa_supplicant: Fix NULL dereference in eap_fast_parse_end()

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In eap_fast_parse_end(), pos might be NULL if the line doesn't
contain '='.

Signed-hostap: Eytan Lifshitz <eytan.lifshitz@intel.com>
This commit is contained in:
Eytan Lifshitz 2014-02-10 12:55:07 +02:00 committed by Jouni Malinen
parent 93a1caece0
commit c0c11afaf1
1 changed files with 2 additions and 0 deletions
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2
src/eap_peer/eap_fast_pac.c
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@ -330,6 +330,8 @@ static const char * eap_fast_parse_end(struct eap_fast_pac **pac_root,
static const char * eap_fast_parse_pac_type(struct eap_fast_pac *pac, static const char * eap_fast_parse_pac_type(struct eap_fast_pac *pac,
char *pos) char *pos)
{ {
if (!pos)
return "Cannot parse pac type";
pac->pac_type = atoi(pos); pac->pac_type = atoi(pos);
if (pac->pac_type != PAC_TYPE_TUNNEL_PAC && if (pac->pac_type != PAC_TYPE_TUNNEL_PAC &&
pac->pac_type != PAC_TYPE_USER_AUTHORIZATION && pac->pac_type != PAC_TYPE_USER_AUTHORIZATION &&