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RADIUS: Fix a possible memory leak on an error path

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Fix a possible memory leak in radius_msg_add_mppe_keys() if
os_get_random() fails.

Signed-off-by: Ayala Beker <ayala.beker@intel.com>
This commit is contained in:
Ayala Beker 2016-04-07 13:31:00 +03:00 committed by Jouni Malinen
parent 675c036fff
commit e52a698907
1 changed files with 3 additions and 1 deletions
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4
src/radius/radius.c
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@ -1199,8 +1199,10 @@ int radius_msg_add_mppe_keys(struct radius_msg *msg,
vhdr = (struct radius_attr_vendor *) pos; vhdr = (struct radius_attr_vendor *) pos;
vhdr->vendor_type = RADIUS_VENDOR_ATTR_MS_MPPE_SEND_KEY; vhdr->vendor_type = RADIUS_VENDOR_ATTR_MS_MPPE_SEND_KEY;
pos = (u8 *) (vhdr + 1); pos = (u8 *) (vhdr + 1);
if (os_get_random((u8 *) &salt, sizeof(salt)) < 0) if (os_get_random((u8 *) &salt, sizeof(salt)) < 0) {
os_free(buf);
return 0; return 0;
}
salt |= 0x8000; salt |= 0x8000;
WPA_PUT_BE16(pos, salt); WPA_PUT_BE16(pos, salt);
pos += 2; pos += 2;