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luci-lib-ip: explicitly clear scope when allocating new userdata

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Fixes: #3609
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
This commit is contained in:
Jo-Philipp Wich
2020-02-08 11:00:54 +01:00
parent faabe98312
commit c2eeb09bd9
1 changed files with 4 additions and 0 deletions
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4
libs/luci-lib-ip/src/ip.c
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@@ -747,6 +747,7 @@ static int cidr_mask(lua_State *L)
if (!(p2 = lua_newuserdata(L, sizeof(*p2))))
return 0;
p2->scope = 0;
p2->bits = AF_BITS(p1->family);
p2->family = p1->family;
@@ -790,6 +791,7 @@ static int cidr_mapped4(lua_State *L)
if (!(p2 = lua_newuserdata(L, sizeof(*p2))))
return 0;
p2->scope = 0;
p2->family = AF_INET;
p2->bits = (p1->bits > AF_BITS(AF_INET)) ? AF_BITS(AF_INET) : p1->bits;
memcpy(&p2->addr.v4, p1->addr.v6.s6_addr + 12, sizeof(p2->addr.v4));
@@ -830,6 +832,7 @@ static int cidr_tolinklocal(lua_State *L)
if (!(p2 = lua_newuserdata(L, sizeof(*p2))))
return 0;
p2->scope = p1->scope;
p2->family = AF_INET6;
p2->bits = AF_BITS(AF_INET6);
p2->addr.u8[0] = 0xFE;
@@ -870,6 +873,7 @@ static int cidr_tomac(lua_State *L)
if (!(p2 = lua_newuserdata(L, sizeof(*p2))))
return 0;
p2->scope = 0;
p2->family = AF_PACKET;
p2->bits = AF_BITS(AF_PACKET);
p2->addr.u8[0] = p1->addr.u8[8] ^ 0x02;