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FS-5819: fix bounds check on enum type

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This commit is contained in:
Michael Jerris 2013-09-27 21:27:52 -04:00
parent 0be5614b4d
commit 42d7d86514
1 changed files with 7 additions and 5 deletions
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12
libs/sofia-sip/libsofia-sip-ua/sip/sip_feature.c
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@ -116,7 +116,7 @@ static int sip_allow_update(msg_common_t *h,
k->k_bitmap = 0; k->k_bitmap = 0;
} }
else { else {
sip_method_t method = sip_method_code(name); int method = (int)sip_method_code(name);
if (method >= 0 && method < 32) if (method >= 0 && method < 32)
k->k_bitmap |= 1 << method; k->k_bitmap |= 1 << method;
@ -130,14 +130,16 @@ int sip_is_allowed(sip_allow_t const *allow,
sip_method_t method, sip_method_t method,
char const *name) char const *name)
{ {
if (method < sip_method_unknown || !allow) int met = method;
if (meth < sip_method_unknown || !allow)
return 0; return 0;
if (sip_method_unknown < method && method < 32) if (sip_method_unknown < meth && meth < 32)
/* Well-known method */ /* Well-known method */
return (allow->k_bitmap & (1 << method)) != 0; return (allow->k_bitmap & (1 << meth)) != 0;
if (method == sip_method_unknown && if (meth == sip_method_unknown &&
(allow->k_bitmap & (1 << sip_method_unknown)) == 0) (allow->k_bitmap & (1 << sip_method_unknown)) == 0)
return 0; return 0;